./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/bitvector/jain_4-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/bitvector/jain_4-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y --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 1cbac86a7d2d3b0f5135f8cc4b9786f5bd2e458e412a649884fa942dedde8dfa --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 18:15:36,080 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 18:15:36,082 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 18:15:36,116 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 18:15:36,116 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 18:15:36,118 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 18:15:36,120 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 18:15:36,123 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 18:15:36,125 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 18:15:36,126 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 18:15:36,127 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 18:15:36,128 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 18:15:36,129 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 18:15:36,130 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 18:15:36,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 18:15:36,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 18:15:36,139 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 18:15:36,145 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 18:15:36,147 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 18:15:36,154 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 18:15:36,161 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 18:15:36,162 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 18:15:36,163 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 18:15:36,165 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 18:15:36,172 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 18:15:36,173 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 18:15:36,173 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 18:15:36,175 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 18:15:36,176 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 18:15:36,177 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 18:15:36,178 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 18:15:36,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 18:15:36,181 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 18:15:36,182 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 18:15:36,183 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 18:15:36,184 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 18:15:36,184 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 18:15:36,185 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 18:15:36,185 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 18:15:36,186 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 18:15:36,186 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 18:15:36,187 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-13 18:15:36,239 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 18:15:36,239 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 18:15:36,240 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 18:15:36,240 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 18:15:36,241 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 18:15:36,242 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 18:15:36,242 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 18:15:36,242 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 18:15:36,242 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 18:15:36,243 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 18:15:36,244 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 18:15:36,244 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 18:15:36,244 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 18:15:36,244 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 18:15:36,245 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 18:15:36,245 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 18:15:36,245 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 18:15:36,245 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 18:15:36,246 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 18:15:36,246 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 18:15:36,246 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 18:15:36,246 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 18:15:36,247 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 18:15:36,247 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 18:15:36,247 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 18:15:36,247 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 18:15:36,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 18:15:36,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 18:15:36,249 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 18:15:36,250 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 18:15:36,250 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 18:15:36,250 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 18:15:36,251 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 18:15:36,252 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_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1cbac86a7d2d3b0f5135f8cc4b9786f5bd2e458e412a649884fa942dedde8dfa [2021-11-13 18:15:36,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 18:15:36,577 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 18:15:36,580 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 18:15:36,581 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 18:15:36,582 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 18:15:36,583 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/bitvector/jain_4-2.c [2021-11-13 18:15:36,667 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/data/8be65e217/9c37a6ca20a64128b7fba44cf79fa5de/FLAG18d33b128 [2021-11-13 18:15:37,250 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 18:15:37,250 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/sv-benchmarks/c/bitvector/jain_4-2.c [2021-11-13 18:15:37,256 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/data/8be65e217/9c37a6ca20a64128b7fba44cf79fa5de/FLAG18d33b128 [2021-11-13 18:15:37,629 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/data/8be65e217/9c37a6ca20a64128b7fba44cf79fa5de [2021-11-13 18:15:37,631 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 18:15:37,633 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 18:15:37,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 18:15:37,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 18:15:37,651 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 18:15:37,652 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,653 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5199a92c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37, skipping insertion in model container [2021-11-13 18:15:37,653 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,661 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 18:15:37,677 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 18:15:37,871 WARN L228 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_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/sv-benchmarks/c/bitvector/jain_4-2.c[675,688] [2021-11-13 18:15:37,879 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:15:37,890 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 18:15:37,903 WARN L228 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_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/sv-benchmarks/c/bitvector/jain_4-2.c[675,688] [2021-11-13 18:15:37,907 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 18:15:37,921 INFO L208 MainTranslator]: Completed translation [2021-11-13 18:15:37,922 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37 WrapperNode [2021-11-13 18:15:37,922 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 18:15:37,923 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 18:15:37,923 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 18:15:37,924 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 18:15:37,932 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,939 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,957 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 18:15:37,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 18:15:37,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 18:15:37,959 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 18:15:37,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,969 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,973 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,976 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,977 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,979 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 18:15:37,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 18:15:37,980 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 18:15:37,980 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 18:15:37,985 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (1/1) ... [2021-11-13 18:15:37,994 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 18:15:38,006 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 18:15:38,024 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 18:15:38,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 18:15:38,074 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 18:15:38,075 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 18:15:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 18:15:38,075 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 18:15:38,309 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 18:15:38,309 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 18:15:38,311 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:15:38 BoogieIcfgContainer [2021-11-13 18:15:38,313 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 18:15:38,314 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 18:15:38,315 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 18:15:38,318 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 18:15:38,319 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:15:38,319 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 06:15:37" (1/3) ... [2021-11-13 18:15:38,321 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@db0c44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:15:38, skipping insertion in model container [2021-11-13 18:15:38,321 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:15:38,321 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 06:15:37" (2/3) ... [2021-11-13 18:15:38,322 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@db0c44a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 06:15:38, skipping insertion in model container [2021-11-13 18:15:38,322 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 18:15:38,322 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:15:38" (3/3) ... [2021-11-13 18:15:38,324 INFO L388 chiAutomizerObserver]: Analyzing ICFG jain_4-2.c [2021-11-13 18:15:38,393 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 18:15:38,393 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 18:15:38,394 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 18:15:38,394 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 18:15:38,394 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 18:15:38,394 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 18:15:38,394 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 18:15:38,395 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 18:15:38,409 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-11-13 18:15:38,425 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-13 18:15:38,426 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:15:38,426 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:15:38,432 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 18:15:38,432 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-13 18:15:38,432 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 18:15:38,433 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-11-13 18:15:38,435 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-11-13 18:15:38,435 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 18:15:38,435 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 18:15:38,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-13 18:15:38,436 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-13 18:15:38,442 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true;#NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(11);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet7#1, main_#t~nondet8#1, main_#t~nondet9#1, main_~x~0#1, main_~y~0#1, main_~z~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~x~0#1 := 0;main_~y~0#1 := 0;main_~z~0#1 := 0; 7#L28-2true [2021-11-13 18:15:38,443 INFO L793 eck$LassoCheckResult]: Loop: 7#L28-2true assume !false;main_~x~0#1 := main_~x~0#1 + 4 * main_#t~nondet7#1;havoc main_#t~nondet7#1;main_~y~0#1 := main_~y~0#1 + 4 * main_#t~nondet8#1;havoc main_#t~nondet8#1;main_~z~0#1 := main_~z~0#1 + 8 * main_#t~nondet9#1;havoc main_#t~nondet9#1;assume { :begin_inline___VERIFIER_assert } true;__VERIFIER_assert_#in~cond#1 := (if 1 != (main_~x~0#1 + main_~y~0#1 + main_~z~0#1) % 4294967296 then 1 else 0);havoc __VERIFIER_assert_~cond#1;__VERIFIER_assert_~cond#1 := __VERIFIER_assert_#in~cond#1; 6#L15true assume !(0 == __VERIFIER_assert_~cond#1); 11#L15-2true assume { :end_inline___VERIFIER_assert } true; 7#L28-2true [2021-11-13 18:15:38,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:15:38,449 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-13 18:15:38,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:15:38,459 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [254986875] [2021-11-13 18:15:38,459 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:15:38,460 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:15:38,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:38,605 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:15:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:38,672 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:15:38,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:15:38,676 INFO L85 PathProgramCache]: Analyzing trace with hash 40941, now seen corresponding path program 1 times [2021-11-13 18:15:38,677 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:15:38,678 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [51988172] [2021-11-13 18:15:38,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:15:38,679 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:15:38,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:38,704 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:15:38,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:38,729 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:15:38,732 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 18:15:38,732 INFO L85 PathProgramCache]: Analyzing trace with hash 28699883, now seen corresponding path program 1 times [2021-11-13 18:15:38,733 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 18:15:38,733 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644590874] [2021-11-13 18:15:38,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 18:15:38,734 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 18:15:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:38,775 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 18:15:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 18:15:38,819 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 18:15:39,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 06:15:39 BoogieIcfgContainer [2021-11-13 18:15:39,456 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 18:15:39,457 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 18:15:39,457 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 18:15:39,457 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 18:15:39,458 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 06:15:38" (3/4) ... [2021-11-13 18:15:39,460 INFO L134 WitnessPrinter]: Generating witness for non-termination counterexample [2021-11-13 18:15:39,497 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/witness.graphml [2021-11-13 18:15:39,498 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 18:15:39,499 INFO L158 Benchmark]: Toolchain (without parser) took 1865.32ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.9MB in the beginning and 41.9MB in the end (delta: 21.0MB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2021-11-13 18:15:39,500 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 96.5MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:15:39,501 INFO L158 Benchmark]: CACSL2BoogieTranslator took 275.14ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.6MB in the beginning and 92.1MB in the end (delta: -29.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 18:15:39,502 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.42ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 90.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:15:39,502 INFO L158 Benchmark]: Boogie Preprocessor took 21.01ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 90.1MB in the end (delta: 594.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 18:15:39,503 INFO L158 Benchmark]: RCFGBuilder took 333.10ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 80.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 18:15:39,504 INFO L158 Benchmark]: BuchiAutomizer took 1141.67ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 44.0MB in the end (delta: 36.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-11-13 18:15:39,504 INFO L158 Benchmark]: Witness Printer took 41.29ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 18:15:39,508 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 96.5MB. Free memory was 49.4MB in the beginning and 49.3MB in the end (delta: 78.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 275.14ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.6MB in the beginning and 92.1MB in the end (delta: -29.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.42ms. Allocated memory is still 117.4MB. Free memory was 92.1MB in the beginning and 90.7MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.01ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 90.1MB in the end (delta: 594.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.10ms. Allocated memory is still 117.4MB. Free memory was 90.1MB in the beginning and 80.8MB in the end (delta: 9.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 1141.67ms. Allocated memory is still 117.4MB. Free memory was 80.8MB in the beginning and 44.0MB in the end (delta: 36.8MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Witness Printer took 41.29ms. Allocated memory is still 117.4MB. Free memory was 44.0MB in the beginning and 41.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one nonterminating module. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. 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: nont1 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: Nontermination possible Buchi Automizer proved that your program is nonterminating for some inputs - FixpointNonTerminationResult [Line: 1]: Nontermination argument in form of an infinite program execution. Nontermination argument in form of an infinite execution State at position 0 is {NULL=30087} State at position 1 is {y=0, NULL=0, NULL=0, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@4d3ee1e1=0, NULL=30089, NULL=0, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@31c6adc7=0, \old(cond)=1, NULL=30090, NULL=30087, \result=0, cond=1, x=0, NULL=0, NULL=30088, org.eclipse.cdt.internal.core.dom.parser.c.CASTFunctionCallExpression@2d4c5356=0, z=0} - StatisticsResult: NonterminationArgumentStatistics Fixpoint - NonterminatingLassoResult [Line: 28]: Nonterminating execution Found a nonterminating execution for the following lasso shaped sequence of statements. Stem: [L22] unsigned int x,y,z; [L24] x=0U [L25] y=0U [L26] z=0U Loop: [L28] COND TRUE 1 [L30] x = x +4U*__VERIFIER_nondet_uint() [L31] y = y +4U*__VERIFIER_nondet_uint() [L32] z = z +8U*__VERIFIER_nondet_uint() [L34] CALL __VERIFIER_assert(x+y+z!=1U) [L15] COND FALSE !(!(cond)) [L34] RET __VERIFIER_assert(x+y+z!=1U) End of lasso representation. RESULT: Ultimate proved your program to be incorrect! [2021-11-13 18:15:39,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_72a2faa1-43b4-4b56-8eaf-e7b636cc19f5/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(TERM)