./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/ldv-regression/test06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/ldv-regression/test06.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD --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 7e4b751f1cff14576af7e2c8fb6f6f5af2d2fb8f159c6730e8a5d44ae1632f58 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-28 23:25:09,980 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-28 23:25:09,984 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-28 23:25:10,048 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-28 23:25:10,049 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-28 23:25:10,054 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-28 23:25:10,057 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-28 23:25:10,062 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-28 23:25:10,065 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-28 23:25:10,072 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-28 23:25:10,074 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-28 23:25:10,076 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-28 23:25:10,077 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-28 23:25:10,080 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-28 23:25:10,083 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-28 23:25:10,089 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-28 23:25:10,091 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-28 23:25:10,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-28 23:25:10,100 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-28 23:25:10,110 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-28 23:25:10,112 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-28 23:25:10,114 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-28 23:25:10,118 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-28 23:25:10,119 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-28 23:25:10,131 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-28 23:25:10,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-28 23:25:10,132 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-28 23:25:10,135 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-28 23:25:10,136 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-28 23:25:10,138 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-28 23:25:10,138 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-28 23:25:10,140 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-28 23:25:10,142 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-28 23:25:10,144 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-28 23:25:10,146 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-28 23:25:10,146 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-28 23:25:10,147 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-28 23:25:10,148 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-28 23:25:10,148 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-28 23:25:10,150 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-28 23:25:10,150 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-28 23:25:10,152 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-28 23:25:10,185 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-28 23:25:10,186 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-28 23:25:10,187 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-28 23:25:10,187 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-28 23:25:10,188 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-28 23:25:10,189 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-28 23:25:10,189 INFO L138 SettingsManager]: * Use SBE=true [2021-10-28 23:25:10,189 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-28 23:25:10,190 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-28 23:25:10,190 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-28 23:25:10,190 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-28 23:25:10,191 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-28 23:25:10,191 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-28 23:25:10,191 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-28 23:25:10,192 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-28 23:25:10,192 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-28 23:25:10,192 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-28 23:25:10,193 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-28 23:25:10,193 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-28 23:25:10,193 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-28 23:25:10,194 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-28 23:25:10,194 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-28 23:25:10,194 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-28 23:25:10,195 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-28 23:25:10,195 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-28 23:25:10,195 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-28 23:25:10,196 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-28 23:25:10,196 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-28 23:25:10,196 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-28 23:25:10,197 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-28 23:25:10,197 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-28 23:25:10,197 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-28 23:25:10,199 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-28 23:25:10,199 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_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e4b751f1cff14576af7e2c8fb6f6f5af2d2fb8f159c6730e8a5d44ae1632f58 [2021-10-28 23:25:10,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-28 23:25:10,560 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-28 23:25:10,563 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-28 23:25:10,565 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-28 23:25:10,567 INFO L275 PluginConnector]: CDTParser initialized [2021-10-28 23:25:10,568 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/../../sv-benchmarks/c/ldv-regression/test06.c [2021-10-28 23:25:10,662 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/data/f1efdd748/e710874dd9db4cf2b81a83435e92cdfa/FLAGc4a8bb195 [2021-10-28 23:25:11,168 INFO L306 CDTParser]: Found 1 translation units. [2021-10-28 23:25:11,169 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/sv-benchmarks/c/ldv-regression/test06.c [2021-10-28 23:25:11,181 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/data/f1efdd748/e710874dd9db4cf2b81a83435e92cdfa/FLAGc4a8bb195 [2021-10-28 23:25:11,536 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/data/f1efdd748/e710874dd9db4cf2b81a83435e92cdfa [2021-10-28 23:25:11,539 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-28 23:25:11,542 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-28 23:25:11,546 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-28 23:25:11,546 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-28 23:25:11,550 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-28 23:25:11,551 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,553 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d897ae6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11, skipping insertion in model container [2021-10-28 23:25:11,554 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,561 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-28 23:25:11,578 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-28 23:25:11,765 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_b6239ae6-cd03-47a5-a3f1-ecca4e791657/sv-benchmarks/c/ldv-regression/test06.c[670,683] [2021-10-28 23:25:11,766 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:25:11,792 INFO L203 MainTranslator]: Completed pre-run [2021-10-28 23:25:11,821 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_b6239ae6-cd03-47a5-a3f1-ecca4e791657/sv-benchmarks/c/ldv-regression/test06.c[670,683] [2021-10-28 23:25:11,822 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-28 23:25:11,836 INFO L208 MainTranslator]: Completed translation [2021-10-28 23:25:11,837 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11 WrapperNode [2021-10-28 23:25:11,837 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-28 23:25:11,838 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-28 23:25:11,839 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-28 23:25:11,839 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-28 23:25:11,849 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,911 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-28 23:25:11,912 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-28 23:25:11,912 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-28 23:25:11,913 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-28 23:25:11,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,950 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,953 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,961 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,970 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-28 23:25:11,972 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-28 23:25:11,972 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-28 23:25:11,972 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-28 23:25:11,976 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (1/1) ... [2021-10-28 23:25:11,986 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-28 23:25:12,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/z3 [2021-10-28 23:25:12,020 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-28 23:25:12,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-28 23:25:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-10-28 23:25:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-28 23:25:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-10-28 23:25:12,081 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-28 23:25:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-28 23:25:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-28 23:25:12,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-28 23:25:12,082 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-28 23:25:12,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-28 23:25:12,541 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-28 23:25:12,542 INFO L299 CfgBuilder]: Removed 8 assume(true) statements. [2021-10-28 23:25:12,544 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:12 BoogieIcfgContainer [2021-10-28 23:25:12,545 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-28 23:25:12,547 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-28 23:25:12,552 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-28 23:25:12,557 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-28 23:25:12,558 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:25:12,558 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 28.10 11:25:11" (1/3) ... [2021-10-28 23:25:12,560 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eb60a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:25:12, skipping insertion in model container [2021-10-28 23:25:12,560 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:25:12,561 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.10 11:25:11" (2/3) ... [2021-10-28 23:25:12,561 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2eb60a2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 28.10 11:25:12, skipping insertion in model container [2021-10-28 23:25:12,561 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-28 23:25:12,562 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:12" (3/3) ... [2021-10-28 23:25:12,564 INFO L389 chiAutomizerObserver]: Analyzing ICFG test06.c [2021-10-28 23:25:12,628 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-28 23:25:12,628 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-28 23:25:12,628 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-28 23:25:12,628 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-28 23:25:12,628 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-28 23:25:12,629 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-28 23:25:12,629 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-28 23:25:12,629 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-28 23:25:12,640 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 9 states have internal predecessors, (11), 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) [2021-10-28 23:25:12,657 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-28 23:25:12,657 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-28 23:25:12,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 28.10 11:25:12 BoogieIcfgContainer [2021-10-28 23:25:12,662 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-28 23:25:12,662 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-28 23:25:12,662 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-28 23:25:12,663 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-28 23:25:12,663 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.10 11:25:12" (3/4) ... [2021-10-28 23:25:12,666 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-28 23:25:12,667 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-28 23:25:12,669 INFO L168 Benchmark]: Toolchain (without parser) took 1125.68 ms. Allocated memory is still 119.5 MB. Free memory was 80.4 MB in the beginning and 69.9 MB in the end (delta: 10.4 MB). Peak memory consumption was 7.8 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:12,671 INFO L168 Benchmark]: CDTParser took 0.36 ms. Allocated memory is still 119.5 MB. Free memory is still 96.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:25:12,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.75 ms. Allocated memory is still 119.5 MB. Free memory was 80.2 MB in the beginning and 93.5 MB in the end (delta: -13.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:12,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 72.81 ms. Allocated memory is still 119.5 MB. Free memory was 93.0 MB in the beginning and 91.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:25:12,677 INFO L168 Benchmark]: Boogie Preprocessor took 58.67 ms. Allocated memory is still 119.5 MB. Free memory was 91.8 MB in the beginning and 90.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:25:12,679 INFO L168 Benchmark]: RCFGBuilder took 574.69 ms. Allocated memory is still 119.5 MB. Free memory was 90.3 MB in the beginning and 75.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:12,679 INFO L168 Benchmark]: BuchiAutomizer took 114.22 ms. Allocated memory is still 119.5 MB. Free memory was 75.2 MB in the beginning and 70.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-28 23:25:12,681 INFO L168 Benchmark]: Witness Printer took 4.53 ms. Allocated memory is still 119.5 MB. Free memory was 70.4 MB in the beginning and 69.9 MB in the end (delta: 515.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-28 23:25:12,690 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36 ms. Allocated memory is still 119.5 MB. Free memory is still 96.6 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 291.75 ms. Allocated memory is still 119.5 MB. Free memory was 80.2 MB in the beginning and 93.5 MB in the end (delta: -13.3 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 72.81 ms. Allocated memory is still 119.5 MB. Free memory was 93.0 MB in the beginning and 91.8 MB in the end (delta: 1.2 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 58.67 ms. Allocated memory is still 119.5 MB. Free memory was 91.8 MB in the beginning and 90.3 MB in the end (delta: 1.5 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 574.69 ms. Allocated memory is still 119.5 MB. Free memory was 90.3 MB in the beginning and 75.2 MB in the end (delta: 15.2 MB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 114.22 ms. Allocated memory is still 119.5 MB. Free memory was 75.2 MB in the beginning and 70.4 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 4.53 ms. Allocated memory is still 119.5 MB. Free memory was 70.4 MB in the beginning and 69.9 MB in the end (delta: 515.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * 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: No data available 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! [2021-10-28 23:25:12,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b6239ae6-cd03-47a5-a3f1-ecca4e791657/bin/uautomizer-GMMbpWq8iD/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...