./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/while_infinite_loop_4.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/while_infinite_loop_4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be --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 4e1af5f99f69a9274241fcc833ef9ca578ac40199221caab0e395b3d77967510 ........................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 19:26:15,118 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 19:26:15,121 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 19:26:15,154 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 19:26:15,155 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 19:26:15,156 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 19:26:15,158 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 19:26:15,161 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 19:26:15,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 19:26:15,165 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 19:26:15,166 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 19:26:15,168 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 19:26:15,168 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 19:26:15,170 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 19:26:15,172 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 19:26:15,174 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 19:26:15,175 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 19:26:15,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 19:26:15,179 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 19:26:15,182 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 19:26:15,184 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 19:26:15,186 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 19:26:15,188 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 19:26:15,189 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 19:26:15,193 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 19:26:15,193 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 19:26:15,194 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 19:26:15,195 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 19:26:15,196 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 19:26:15,197 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 19:26:15,198 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 19:26:15,199 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 19:26:15,200 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 19:26:15,201 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 19:26:15,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 19:26:15,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 19:26:15,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 19:26:15,205 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 19:26:15,206 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 19:26:15,207 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 19:26:15,208 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 19:26:15,210 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 19:26:15,260 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 19:26:15,263 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 19:26:15,264 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 19:26:15,264 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 19:26:15,266 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 19:26:15,266 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 19:26:15,267 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 19:26:15,267 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 19:26:15,267 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 19:26:15,267 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 19:26:15,268 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 19:26:15,269 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 19:26:15,269 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 19:26:15,269 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 19:26:15,269 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 19:26:15,270 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 19:26:15,270 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 19:26:15,270 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 19:26:15,270 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 19:26:15,270 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 19:26:15,271 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 19:26:15,271 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 19:26:15,271 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 19:26:15,271 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 19:26:15,271 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 19:26:15,272 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 19:26:15,273 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 19:26:15,274 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 19:26:15,274 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 19:26:15,274 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 19:26:15,275 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 19:26:15,275 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 19:26:15,276 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 19:26:15,277 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_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e1af5f99f69a9274241fcc833ef9ca578ac40199221caab0e395b3d77967510 [2021-10-21 19:26:15,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 19:26:15,704 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 19:26:15,707 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 19:26:15,708 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 19:26:15,710 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 19:26:15,711 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loops/while_infinite_loop_4.c [2021-10-21 19:26:15,795 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/data/252a5b8b9/5e0cae80866d4931838e2c36d6ac62b5/FLAG13605bbc9 [2021-10-21 19:26:16,335 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 19:26:16,338 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/sv-benchmarks/c/loops/while_infinite_loop_4.c [2021-10-21 19:26:16,352 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/data/252a5b8b9/5e0cae80866d4931838e2c36d6ac62b5/FLAG13605bbc9 [2021-10-21 19:26:16,681 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/data/252a5b8b9/5e0cae80866d4931838e2c36d6ac62b5 [2021-10-21 19:26:16,692 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 19:26:16,694 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 19:26:16,697 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 19:26:16,698 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 19:26:16,702 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 19:26:16,704 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:26:16" (1/1) ... [2021-10-21 19:26:16,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96a0f4a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:16, skipping insertion in model container [2021-10-21 19:26:16,708 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 07:26:16" (1/1) ... [2021-10-21 19:26:16,717 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 19:26:16,735 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 19:26:16,957 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_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/sv-benchmarks/c/loops/while_infinite_loop_4.c[333,346] [2021-10-21 19:26:16,971 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:26:16,993 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 19:26:17,011 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_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/sv-benchmarks/c/loops/while_infinite_loop_4.c[333,346] [2021-10-21 19:26:17,016 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 19:26:17,037 INFO L208 MainTranslator]: Completed translation [2021-10-21 19:26:17,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17 WrapperNode [2021-10-21 19:26:17,038 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 19:26:17,042 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 19:26:17,042 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 19:26:17,042 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 19:26:17,053 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (1/1) ... [2021-10-21 19:26:17,064 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (1/1) ... [2021-10-21 19:26:17,093 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 19:26:17,094 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 19:26:17,095 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 19:26:17,095 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 19:26:17,106 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (1/1) ... [2021-10-21 19:26:17,106 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (1/1) ... [2021-10-21 19:26:17,121 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (1/1) ... [2021-10-21 19:26:17,122 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (1/1) ... [2021-10-21 19:26:17,126 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (1/1) ... [2021-10-21 19:26:17,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (1/1) ... [2021-10-21 19:26:17,144 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (1/1) ... [2021-10-21 19:26:17,146 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 19:26:17,148 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 19:26:17,150 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 19:26:17,150 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 19:26:17,152 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (1/1) ... [2021-10-21 19:26:17,163 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 19:26:17,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 19:26:17,193 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 19:26:17,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 19:26:17,257 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 19:26:17,257 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 19:26:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 19:26:17,258 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 19:26:17,583 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 19:26:17,584 INFO L299 CfgBuilder]: Removed 12 assume(true) statements. [2021-10-21 19:26:17,596 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:26:17 BoogieIcfgContainer [2021-10-21 19:26:17,597 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 19:26:17,598 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 19:26:17,598 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 19:26:17,612 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 19:26:17,613 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:26:17,614 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 07:26:16" (1/3) ... [2021-10-21 19:26:17,616 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9230f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:26:17, skipping insertion in model container [2021-10-21 19:26:17,616 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:26:17,616 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 07:26:17" (2/3) ... [2021-10-21 19:26:17,617 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@9230f8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 07:26:17, skipping insertion in model container [2021-10-21 19:26:17,617 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 19:26:17,617 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:26:17" (3/3) ... [2021-10-21 19:26:17,619 INFO L389 chiAutomizerObserver]: Analyzing ICFG while_infinite_loop_4.c [2021-10-21 19:26:17,693 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 19:26:17,693 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 19:26:17,693 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 19:26:17,693 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 19:26:17,694 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 19:26:17,694 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 19:26:17,694 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 19:26:17,694 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 19:26:17,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2021-10-21 19:26:17,748 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-21 19:26:17,749 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:26:17,749 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:26:17,759 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:26:17,759 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:26:17,760 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 19:26:17,760 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) [2021-10-21 19:26:17,764 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2021-10-21 19:26:17,765 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:26:17,765 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:26:17,765 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:26:17,766 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:26:17,775 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue #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(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~x~0 := 0; 7#L-1true havoc main_#res; 6#L6-2true [2021-10-21 19:26:17,777 INFO L793 eck$LassoCheckResult]: Loop: 6#L6-2true assume !false; 3#L16loopEntrytrue assume false; 14#L16-2true __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 12#L6true assume !(0 == __VERIFIER_assert_~cond); 6#L6-2true [2021-10-21 19:26:17,784 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:17,784 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-10-21 19:26:17,796 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:17,798 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [314011210] [2021-10-21 19:26:17,799 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:17,800 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:18,000 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:18,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:18,076 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:18,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:18,081 INFO L82 PathProgramCache]: Analyzing trace with hash 1269327, now seen corresponding path program 1 times [2021-10-21 19:26:18,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:18,084 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [240230808] [2021-10-21 19:26:18,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:18,085 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:18,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:18,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:18,179 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:18,180 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [240230808] [2021-10-21 19:26:18,181 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [240230808] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:18,182 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:18,182 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-10-21 19:26:18,182 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [248245533] [2021-10-21 19:26:18,188 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:26:18,190 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:18,207 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2021-10-21 19:26:18,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2021-10-21 19:26:18,210 INFO L87 Difference]: Start difference. First operand has 14 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 13 states have internal predecessors, (19), 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) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 states have internal predecessors, (4), 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) [2021-10-21 19:26:18,217 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:18,217 INFO L93 Difference]: Finished difference Result 7 states and 7 transitions. [2021-10-21 19:26:18,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2021-10-21 19:26:18,220 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 7 states and 7 transitions. [2021-10-21 19:26:18,221 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:26:18,224 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 7 states to 6 states and 6 transitions. [2021-10-21 19:26:18,226 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 6 [2021-10-21 19:26:18,226 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 6 [2021-10-21 19:26:18,227 INFO L73 IsDeterministic]: Start isDeterministic. Operand 6 states and 6 transitions. [2021-10-21 19:26:18,228 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:26:18,228 INFO L681 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-10-21 19:26:18,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6 states and 6 transitions. [2021-10-21 19:26:18,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6 to 6. [2021-10-21 19:26:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6 states, 6 states have (on average 1.0) internal successors, (6), 5 states have internal predecessors, (6), 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) [2021-10-21 19:26:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2021-10-21 19:26:18,258 INFO L704 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-10-21 19:26:18,259 INFO L587 BuchiCegarLoop]: Abstraction has 6 states and 6 transitions. [2021-10-21 19:26:18,259 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 19:26:18,259 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2021-10-21 19:26:18,260 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2021-10-21 19:26:18,260 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 19:26:18,260 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 19:26:18,261 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-10-21 19:26:18,261 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2021-10-21 19:26:18,261 INFO L791 eck$LassoCheckResult]: Stem: 31#ULTIMATE.startENTRY #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(24);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12);~x~0 := 0; 32#L-1 havoc main_#res; 33#L6-2 [2021-10-21 19:26:18,261 INFO L793 eck$LassoCheckResult]: Loop: 33#L6-2 assume !false; 29#L16loopEntry assume !false;~x~0 := 1; 30#L16-2 __VERIFIER_assert_#in~cond := (if 0 == ~x~0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 34#L6 assume !(0 == __VERIFIER_assert_~cond); 33#L6-2 [2021-10-21 19:26:18,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:18,262 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 2 times [2021-10-21 19:26:18,263 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:18,263 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937272913] [2021-10-21 19:26:18,263 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:18,264 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:18,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:18,277 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 19:26:18,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 19:26:18,295 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 19:26:18,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 19:26:18,296 INFO L82 PathProgramCache]: Analyzing trace with hash 1271249, now seen corresponding path program 1 times [2021-10-21 19:26:18,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 19:26:18,297 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1495001410] [2021-10-21 19:26:18,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 19:26:18,298 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 19:26:18,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 19:26:18,348 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 19:26:18,349 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-10-21 19:26:18,349 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1495001410] [2021-10-21 19:26:18,350 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1495001410] provided 1 perfect and 0 imperfect interpolant sequences [2021-10-21 19:26:18,350 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-10-21 19:26:18,350 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-10-21 19:26:18,350 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207678948] [2021-10-21 19:26:18,351 INFO L808 eck$LassoCheckResult]: loop already infeasible [2021-10-21 19:26:18,351 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-10-21 19:26:18,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-10-21 19:26:18,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-10-21 19:26:18,353 INFO L87 Difference]: Start difference. First operand 6 states and 6 transitions. cyclomatic complexity: 1 Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 4 states have internal predecessors, (4), 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) [2021-10-21 19:26:18,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-10-21 19:26:18,388 INFO L93 Difference]: Finished difference Result 6 states and 5 transitions. [2021-10-21 19:26:18,388 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-10-21 19:26:18,388 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 5 transitions. [2021-10-21 19:26:18,389 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:26:18,390 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2021-10-21 19:26:18,390 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 19:26:18,390 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 19:26:18,390 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 19:26:18,390 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 19:26:18,391 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:26:18,391 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:26:18,391 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 19:26:18,391 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-10-21 19:26:18,391 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 19:26:18,392 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 19:26:18,392 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 19:26:18,397 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 07:26:18 BoogieIcfgContainer [2021-10-21 19:26:18,398 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 19:26:18,398 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 19:26:18,398 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 19:26:18,399 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 19:26:18,399 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 07:26:17" (3/4) ... [2021-10-21 19:26:18,402 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 19:26:18,403 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 19:26:18,405 INFO L168 Benchmark]: Toolchain (without parser) took 1709.12 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 53.9 MB in the beginning and 79.5 MB in the end (delta: -25.6 MB). Peak memory consumption was 982.4 kB. Max. memory is 16.1 GB. [2021-10-21 19:26:18,406 INFO L168 Benchmark]: CDTParser took 0.37 ms. Allocated memory is still 92.3 MB. Free memory was 70.9 MB in the beginning and 70.8 MB in the end (delta: 87.1 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:26:18,407 INFO L168 Benchmark]: CACSL2BoogieTranslator took 341.25 ms. Allocated memory is still 92.3 MB. Free memory was 53.6 MB in the beginning and 44.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:18,408 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.36 ms. Allocated memory is still 92.3 MB. Free memory was 44.5 MB in the beginning and 43.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:18,408 INFO L168 Benchmark]: Boogie Preprocessor took 53.19 ms. Allocated memory is still 92.3 MB. Free memory was 43.1 MB in the beginning and 42.1 MB in the end (delta: 975.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:26:18,409 INFO L168 Benchmark]: RCFGBuilder took 448.40 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 42.0 MB in the beginning and 96.7 MB in the end (delta: -54.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:18,410 INFO L168 Benchmark]: BuchiAutomizer took 799.77 ms. Allocated memory is still 119.5 MB. Free memory was 96.2 MB in the beginning and 79.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. [2021-10-21 19:26:18,410 INFO L168 Benchmark]: Witness Printer took 4.63 ms. Allocated memory is still 119.5 MB. Free memory is still 79.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 19:26:18,414 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37 ms. Allocated memory is still 92.3 MB. Free memory was 70.9 MB in the beginning and 70.8 MB in the end (delta: 87.1 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 341.25 ms. Allocated memory is still 92.3 MB. Free memory was 53.6 MB in the beginning and 44.5 MB in the end (delta: 9.2 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 51.36 ms. Allocated memory is still 92.3 MB. Free memory was 44.5 MB in the beginning and 43.1 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 53.19 ms. Allocated memory is still 92.3 MB. Free memory was 43.1 MB in the beginning and 42.1 MB in the end (delta: 975.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 448.40 ms. Allocated memory was 92.3 MB in the beginning and 119.5 MB in the end (delta: 27.3 MB). Free memory was 42.0 MB in the beginning and 96.7 MB in the end (delta: -54.7 MB). Peak memory consumption was 15.7 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 799.77 ms. Allocated memory is still 119.5 MB. Free memory was 96.2 MB in the beginning and 79.5 MB in the end (delta: 16.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 16.1 GB. * Witness Printer took 4.63 ms. Allocated memory is still 119.5 MB. Free memory is still 79.5 MB. 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 Your program was decomposed into 2 terminating modules (2 trivial, 0 deterministic, 0 nondeterministic). 2 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.5s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 13.6ms AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 11 SDtfs, 1 SDslu, 6 SDs, 0 SdLazy, 2 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 20.1ms Time LassoAnalysisResults: nont0 unkn0 SFLI2 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! [2021-10-21 19:26:18,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bc66e8f1-534b-41f2-99ec-bb5d1bc2abf0/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...