./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4e77c044 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/config/AutomizerReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Overflow-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt --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 75dd2ce3f6219a56f38a72471186bda1e7610d5c .................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-4e77c04 [2021-10-13 00:14:23,317 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-13 00:14:23,321 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-13 00:14:23,361 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-13 00:14:23,362 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-13 00:14:23,364 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-13 00:14:23,366 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-13 00:14:23,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-13 00:14:23,371 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-13 00:14:23,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-13 00:14:23,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-13 00:14:23,376 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-13 00:14:23,377 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-13 00:14:23,387 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-13 00:14:23,389 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-13 00:14:23,394 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-13 00:14:23,396 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-13 00:14:23,402 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-13 00:14:23,404 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-13 00:14:23,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-13 00:14:23,410 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-13 00:14:23,412 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-13 00:14:23,414 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-13 00:14:23,415 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-13 00:14:23,420 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-13 00:14:23,421 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-13 00:14:23,421 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-13 00:14:23,423 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-13 00:14:23,424 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-13 00:14:23,426 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-13 00:14:23,426 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-13 00:14:23,428 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-13 00:14:23,429 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-13 00:14:23,430 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-13 00:14:23,432 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-13 00:14:23,432 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-13 00:14:23,434 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-13 00:14:23,434 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-13 00:14:23,435 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-13 00:14:23,436 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-13 00:14:23,437 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-13 00:14:23,449 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-10-13 00:14:23,496 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-13 00:14:23,499 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-13 00:14:23,500 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-13 00:14:23,500 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-13 00:14:23,509 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-13 00:14:23,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-13 00:14:23,511 INFO L138 SettingsManager]: * Use SBE=true [2021-10-13 00:14:23,512 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-13 00:14:23,512 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-13 00:14:23,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-13 00:14:23,514 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-13 00:14:23,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-13 00:14:23,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-13 00:14:23,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-13 00:14:23,515 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-10-13 00:14:23,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-13 00:14:23,515 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-13 00:14:23,516 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-13 00:14:23,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-13 00:14:23,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-13 00:14:23,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-10-13 00:14:23,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:14:23,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-13 00:14:23,518 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-13 00:14:23,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-13 00:14:23,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-13 00:14:23,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-13 00:14:23,519 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-13 00:14:23,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-13 00:14:23,521 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_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75dd2ce3f6219a56f38a72471186bda1e7610d5c [2021-10-13 00:14:23,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-13 00:14:23,890 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-13 00:14:23,893 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-13 00:14:23,895 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-13 00:14:23,896 INFO L275 PluginConnector]: CDTParser initialized [2021-10-13 00:14:23,897 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/../../sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-10-13 00:14:23,989 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/data/e28f907b7/ddcee6aef3124215a210610aee811e6f/FLAG53addc22b [2021-10-13 00:14:24,527 INFO L306 CDTParser]: Found 1 translation units. [2021-10-13 00:14:24,528 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/sv-benchmarks/c/termination-crafted-lit/ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-10-13 00:14:24,542 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/data/e28f907b7/ddcee6aef3124215a210610aee811e6f/FLAG53addc22b [2021-10-13 00:14:24,876 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/data/e28f907b7/ddcee6aef3124215a210610aee811e6f [2021-10-13 00:14:24,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-13 00:14:24,880 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-13 00:14:24,902 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:24,903 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-13 00:14:24,907 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-13 00:14:24,908 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:24" (1/1) ... [2021-10-13 00:14:24,909 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ceff805 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:24, skipping insertion in model container [2021-10-13 00:14:24,910 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:14:24" (1/1) ... [2021-10-13 00:14:24,923 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-13 00:14:24,937 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-13 00:14:25,086 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:14:25,090 INFO L203 MainTranslator]: Completed pre-run [2021-10-13 00:14:25,106 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-13 00:14:25,143 INFO L208 MainTranslator]: Completed translation [2021-10-13 00:14:25,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25 WrapperNode [2021-10-13 00:14:25,145 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-13 00:14:25,147 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-13 00:14:25,147 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-13 00:14:25,148 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-13 00:14:25,157 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (1/1) ... [2021-10-13 00:14:25,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (1/1) ... [2021-10-13 00:14:25,187 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-13 00:14:25,188 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-13 00:14:25,188 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-13 00:14:25,188 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-13 00:14:25,198 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (1/1) ... [2021-10-13 00:14:25,198 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (1/1) ... [2021-10-13 00:14:25,200 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (1/1) ... [2021-10-13 00:14:25,201 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (1/1) ... [2021-10-13 00:14:25,204 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (1/1) ... [2021-10-13 00:14:25,209 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (1/1) ... [2021-10-13 00:14:25,210 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (1/1) ... [2021-10-13 00:14:25,212 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-13 00:14:25,213 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-13 00:14:25,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-13 00:14:25,214 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-13 00:14:25,216 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (1/1) ... [2021-10-13 00:14:25,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-10-13 00:14:25,240 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/z3 [2021-10-13 00:14:25,260 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-10-13 00:14:25,284 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-10-13 00:14:25,329 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-13 00:14:25,330 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-13 00:14:25,518 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-13 00:14:25,519 INFO L299 CfgBuilder]: Removed 5 assume(true) statements. [2021-10-13 00:14:25,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:25 BoogieIcfgContainer [2021-10-13 00:14:25,523 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-13 00:14:25,526 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-10-13 00:14:25,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-10-13 00:14:25,531 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-10-13 00:14:25,531 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:14:24" (1/3) ... [2021-10-13 00:14:25,533 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f26f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:14:25, skipping insertion in model container [2021-10-13 00:14:25,533 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:14:25" (2/3) ... [2021-10-13 00:14:25,534 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f26f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:14:25, skipping insertion in model container [2021-10-13 00:14:25,534 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:25" (3/3) ... [2021-10-13 00:14:25,536 INFO L111 eAbstractionObserver]: Analyzing ICFG ChenCookFuhsNimkarOHearn-TACAS2014-Introduction.c [2021-10-13 00:14:25,543 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-10-13 00:14:25,543 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 0 error locations. [2021-10-13 00:14:25,545 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55f26f15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:14:25, skipping insertion in model container [2021-10-13 00:14:25,546 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-10-13 00:14:25,547 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-13 00:14:25,547 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-13 00:14:25,548 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-13 00:14:25,548 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:14:25" (3/3) ... [2021-10-13 00:14:25,557 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-13 00:14:25,571 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-10-13 00:14:25,572 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-13 00:14:25,630 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/witness.graphml [2021-10-13 00:14:25,630 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-13 00:14:25,633 INFO L168 Benchmark]: Toolchain (without parser) took 751.11 ms. Allocated memory is still 92.3 MB. Free memory was 53.1 MB in the beginning and 57.1 MB in the end (delta: -4.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:25,636 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory is still 69.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:25,640 INFO L168 Benchmark]: CACSL2BoogieTranslator took 243.40 ms. Allocated memory is still 92.3 MB. Free memory was 52.9 MB in the beginning and 70.5 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:25,641 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.48 ms. Allocated memory is still 92.3 MB. Free memory was 70.3 MB in the beginning and 69.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:25,641 INFO L168 Benchmark]: Boogie Preprocessor took 24.02 ms. Allocated memory is still 92.3 MB. Free memory was 69.0 MB in the beginning and 68.2 MB in the end (delta: 790.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-13 00:14:25,642 INFO L168 Benchmark]: RCFGBuilder took 310.61 ms. Allocated memory is still 92.3 MB. Free memory was 68.2 MB in the beginning and 60.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:25,642 INFO L168 Benchmark]: TraceAbstraction took 19.31 ms. Allocated memory is still 92.3 MB. Free memory was 60.2 MB in the beginning and 59.2 MB in the end (delta: 966.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:25,643 INFO L168 Benchmark]: Witness Printer took 83.40 ms. Allocated memory is still 92.3 MB. Free memory was 59.2 MB in the beginning and 57.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-13 00:14:25,646 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 92.3 MB. Free memory is still 69.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 243.40 ms. Allocated memory is still 92.3 MB. Free memory was 52.9 MB in the beginning and 70.5 MB in the end (delta: -17.6 MB). Peak memory consumption was 5.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 40.48 ms. Allocated memory is still 92.3 MB. Free memory was 70.3 MB in the beginning and 69.2 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 24.02 ms. Allocated memory is still 92.3 MB. Free memory was 69.0 MB in the beginning and 68.2 MB in the end (delta: 790.6 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 310.61 ms. Allocated memory is still 92.3 MB. Free memory was 68.2 MB in the beginning and 60.7 MB in the end (delta: 7.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * TraceAbstraction took 19.31 ms. Allocated memory is still 92.3 MB. Free memory was 60.2 MB in the beginning and 59.2 MB in the end (delta: 966.5 kB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Witness Printer took 83.40 ms. Allocated memory is still 92.3 MB. Free memory was 59.2 MB in the beginning and 57.1 MB in the end (delta: 2.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * 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! [2021-10-13 00:14:25,696 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_af1dd247-a236-4c99-832e-05ea66ae4eec/bin/uautomizer-WNIpwEf4Nt/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...