./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted/WhileFalse.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted/WhileFalse.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 6bafde5168b708b72da7f2587edb5230d20fcc9c2ad1a62f6bbb27f7dfec2f68 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-19 04:35:13,966 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-19 04:35:13,971 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-19 04:35:14,036 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-19 04:35:14,037 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-19 04:35:14,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-19 04:35:14,041 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-19 04:35:14,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-19 04:35:14,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-19 04:35:14,053 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-19 04:35:14,055 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-19 04:35:14,058 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-19 04:35:14,059 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-19 04:35:14,067 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-19 04:35:14,070 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-19 04:35:14,073 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-19 04:35:14,075 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-19 04:35:14,079 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-19 04:35:14,085 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-19 04:35:14,091 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-19 04:35:14,094 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-19 04:35:14,096 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-19 04:35:14,100 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-19 04:35:14,102 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-19 04:35:14,113 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-19 04:35:14,114 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-19 04:35:14,114 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-19 04:35:14,117 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-19 04:35:14,118 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-19 04:35:14,120 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-19 04:35:14,120 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-19 04:35:14,121 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-19 04:35:14,124 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-19 04:35:14,126 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-19 04:35:14,128 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-19 04:35:14,128 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-19 04:35:14,129 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-19 04:35:14,130 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-19 04:35:14,130 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-19 04:35:14,131 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-19 04:35:14,132 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-19 04:35:14,134 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-11-19 04:35:14,187 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-19 04:35:14,187 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-19 04:35:14,189 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-19 04:35:14,189 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-19 04:35:14,198 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-19 04:35:14,199 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-19 04:35:14,200 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-19 04:35:14,200 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-19 04:35:14,200 INFO L138 SettingsManager]: * Use SBE=true [2021-11-19 04:35:14,201 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-19 04:35:14,202 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-19 04:35:14,203 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-19 04:35:14,203 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-19 04:35:14,203 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-19 04:35:14,203 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-19 04:35:14,204 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-19 04:35:14,204 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-19 04:35:14,204 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-19 04:35:14,204 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-19 04:35:14,205 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-19 04:35:14,205 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-19 04:35:14,205 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-19 04:35:14,206 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-19 04:35:14,206 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:35:14,206 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-19 04:35:14,207 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-19 04:35:14,207 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-19 04:35:14,207 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-19 04:35:14,208 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-19 04:35:14,210 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-19 04:35:14,211 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-19 04:35:14,211 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6bafde5168b708b72da7f2587edb5230d20fcc9c2ad1a62f6bbb27f7dfec2f68 [2021-11-19 04:35:14,546 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-19 04:35:14,580 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-19 04:35:14,584 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-19 04:35:14,586 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-19 04:35:14,587 INFO L275 PluginConnector]: CDTParser initialized [2021-11-19 04:35:14,589 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/../../sv-benchmarks/c/termination-crafted/WhileFalse.c [2021-11-19 04:35:14,709 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/data/3a6a5c7ae/f6d4376c419140cc87873a5fc8aa5962/FLAG04cfe12c0 [2021-11-19 04:35:15,242 INFO L306 CDTParser]: Found 1 translation units. [2021-11-19 04:35:15,243 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/sv-benchmarks/c/termination-crafted/WhileFalse.c [2021-11-19 04:35:15,251 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/data/3a6a5c7ae/f6d4376c419140cc87873a5fc8aa5962/FLAG04cfe12c0 [2021-11-19 04:35:15,619 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/data/3a6a5c7ae/f6d4376c419140cc87873a5fc8aa5962 [2021-11-19 04:35:15,625 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-19 04:35:15,627 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-19 04:35:15,630 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-19 04:35:15,630 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-19 04:35:15,634 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-19 04:35:15,635 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,636 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4de7b538 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15, skipping insertion in model container [2021-11-19 04:35:15,637 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,644 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-19 04:35:15,656 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-19 04:35:15,801 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:35:15,806 INFO L203 MainTranslator]: Completed pre-run [2021-11-19 04:35:15,844 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-19 04:35:15,860 INFO L208 MainTranslator]: Completed translation [2021-11-19 04:35:15,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15 WrapperNode [2021-11-19 04:35:15,861 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-19 04:35:15,862 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-19 04:35:15,862 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-19 04:35:15,862 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-19 04:35:15,872 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,892 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 8 [2021-11-19 04:35:15,892 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-19 04:35:15,893 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-19 04:35:15,893 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-19 04:35:15,894 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-19 04:35:15,903 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,903 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,903 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,905 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,910 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,912 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-19 04:35:15,913 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-19 04:35:15,913 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-19 04:35:15,913 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-19 04:35:15,914 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (1/1) ... [2021-11-19 04:35:15,923 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-19 04:35:15,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/z3 [2021-11-19 04:35:15,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-19 04:35:15,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-19 04:35:16,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-19 04:35:16,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-19 04:35:16,069 INFO L236 CfgBuilder]: Building ICFG [2021-11-19 04:35:16,071 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-19 04:35:16,114 INFO L277 CfgBuilder]: Performing block encoding [2021-11-19 04:35:16,121 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-19 04:35:16,121 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-19 04:35:16,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:35:16 BoogieIcfgContainer [2021-11-19 04:35:16,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-19 04:35:16,126 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-19 04:35:16,126 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-19 04:35:16,145 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-19 04:35:16,146 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 04:35:15" (1/3) ... [2021-11-19 04:35:16,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380cd5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:35:16, skipping insertion in model container [2021-11-19 04:35:16,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:35:15" (2/3) ... [2021-11-19 04:35:16,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380cd5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 04:35:16, skipping insertion in model container [2021-11-19 04:35:16,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:35:16" (3/3) ... [2021-11-19 04:35:16,150 INFO L111 eAbstractionObserver]: Analyzing ICFG WhileFalse.c [2021-11-19 04:35:16,156 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-19 04:35:16,157 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-11-19 04:35:16,159 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@380cd5f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 04:35:16, skipping insertion in model container [2021-11-19 04:35:16,159 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-11-19 04:35:16,160 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-19 04:35:16,160 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-19 04:35:16,161 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-19 04:35:16,161 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:35:16" (3/3) ... [2021-11-19 04:35:16,165 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-19 04:35:16,175 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-11-19 04:35:16,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-11-19 04:35:16,176 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-19 04:35:16,209 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/witness.graphml [2021-11-19 04:35:16,210 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-19 04:35:16,212 INFO L158 Benchmark]: Toolchain (without parser) took 583.58ms. Allocated memory is still 138.4MB. Free memory was 105.4MB in the beginning and 104.5MB in the end (delta: 949.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:35:16,214 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 81.8MB. Free memory was 53.9MB in the beginning and 53.9MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:35:16,215 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.31ms. Allocated memory is still 138.4MB. Free memory was 105.1MB in the beginning and 117.8MB in the end (delta: -12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-19 04:35:16,216 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.68ms. Allocated memory is still 138.4MB. Free memory was 117.6MB in the beginning and 116.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:35:16,221 INFO L158 Benchmark]: Boogie Preprocessor took 18.70ms. Allocated memory is still 138.4MB. Free memory was 116.1MB in the beginning and 115.6MB in the end (delta: 500.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-19 04:35:16,223 INFO L158 Benchmark]: RCFGBuilder took 210.84ms. Allocated memory is still 138.4MB. Free memory was 115.6MB in the beginning and 108.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-19 04:35:16,226 INFO L158 Benchmark]: TraceAbstraction took 33.53ms. Allocated memory is still 138.4MB. Free memory was 107.6MB in the beginning and 106.6MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-19 04:35:16,229 INFO L158 Benchmark]: Witness Printer took 49.81ms. Allocated memory is still 138.4MB. Free memory was 106.6MB in the beginning and 104.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-19 04:35:16,236 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 81.8MB. Free memory was 53.9MB in the beginning and 53.9MB in the end (delta: 27.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.31ms. Allocated memory is still 138.4MB. Free memory was 105.1MB in the beginning and 117.8MB in the end (delta: -12.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.68ms. Allocated memory is still 138.4MB. Free memory was 117.6MB in the beginning and 116.1MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.70ms. Allocated memory is still 138.4MB. Free memory was 116.1MB in the beginning and 115.6MB in the end (delta: 500.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 210.84ms. Allocated memory is still 138.4MB. Free memory was 115.6MB in the beginning and 108.1MB in the end (delta: 7.5MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * TraceAbstraction took 33.53ms. Allocated memory is still 138.4MB. Free memory was 107.6MB in the beginning and 106.6MB in the end (delta: 1.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Witness Printer took 49.81ms. Allocated memory is still 138.4MB. Free memory was 106.6MB in the beginning and 104.5MB 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: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. RESULT: Ultimate proved your program to be correct! [2021-11-19 04:35:16,295 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b68a79d0-75e6-416d-8126-038d3e8c64b1/bin/uautomizer-ZXIjhQolGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE