./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/recursive-simple/id2_b3_o5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id2_b3_o5.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bfa501ca93fc9b0e6d760bbe690b8b09cdd28cd292bfa547a39097dc8f6d3704 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 23:59:18,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 23:59:18,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 23:59:18,807 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 23:59:18,808 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 23:59:18,810 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 23:59:18,812 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 23:59:18,814 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 23:59:18,817 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 23:59:18,818 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 23:59:18,820 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 23:59:18,821 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 23:59:18,822 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 23:59:18,824 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 23:59:18,826 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 23:59:18,827 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 23:59:18,829 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 23:59:18,830 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 23:59:18,833 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 23:59:18,836 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 23:59:18,838 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 23:59:18,840 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 23:59:18,842 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 23:59:18,843 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 23:59:18,847 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 23:59:18,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 23:59:18,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 23:59:18,849 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 23:59:18,850 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 23:59:18,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 23:59:18,852 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 23:59:18,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 23:59:18,855 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 23:59:18,856 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 23:59:18,857 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 23:59:18,858 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 23:59:18,859 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 23:59:18,860 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 23:59:18,860 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 23:59:18,861 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 23:59:18,862 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 23:59:18,863 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/config/svcomp-Overflow-32bit-Kojak_Default.epf [2021-11-13 23:59:18,890 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 23:59:18,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 23:59:18,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-13 23:59:18,891 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-13 23:59:18,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 23:59:18,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 23:59:18,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 23:59:18,893 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-13 23:59:18,893 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 23:59:18,894 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 23:59:18,894 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-13 23:59:18,894 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 23:59:18,894 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-13 23:59:18,895 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-13 23:59:18,895 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-13 23:59:18,895 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-11-13 23:59:18,895 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-13 23:59:18,896 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 23:59:18,896 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 23:59:18,896 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-13 23:59:18,896 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-13 23:59:18,897 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-13 23:59:18,897 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 23:59:18,897 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:59:18,897 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 23:59:18,898 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-13 23:59:18,898 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-13 23:59:18,898 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-13 23:59:18,898 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-13 23:59:18,899 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-13 23:59:18,899 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_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bfa501ca93fc9b0e6d760bbe690b8b09cdd28cd292bfa547a39097dc8f6d3704 [2021-11-13 23:59:19,147 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 23:59:19,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 23:59:19,177 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 23:59:19,180 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 23:59:19,181 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 23:59:19,182 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/../../sv-benchmarks/c/recursive-simple/id2_b3_o5.c [2021-11-13 23:59:19,262 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/data/a50e87584/45ee5521957e45cda41ca78eca9a898a/FLAGd87bd95a0 [2021-11-13 23:59:19,699 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 23:59:19,700 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/sv-benchmarks/c/recursive-simple/id2_b3_o5.c [2021-11-13 23:59:19,707 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/data/a50e87584/45ee5521957e45cda41ca78eca9a898a/FLAGd87bd95a0 [2021-11-13 23:59:20,082 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/data/a50e87584/45ee5521957e45cda41ca78eca9a898a [2021-11-13 23:59:20,084 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 23:59:20,086 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 23:59:20,088 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 23:59:20,088 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 23:59:20,091 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 23:59:20,092 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,094 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bc91dd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20, skipping insertion in model container [2021-11-13 23:59:20,094 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 23:59:20,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 23:59:20,294 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_8b9bc61c-2004-45fd-815a-20a950672575/sv-benchmarks/c/recursive-simple/id2_b3_o5.c[771,784] [2021-11-13 23:59:20,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:59:20,302 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 23:59:20,315 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_8b9bc61c-2004-45fd-815a-20a950672575/sv-benchmarks/c/recursive-simple/id2_b3_o5.c[771,784] [2021-11-13 23:59:20,315 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 23:59:20,326 INFO L208 MainTranslator]: Completed translation [2021-11-13 23:59:20,326 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20 WrapperNode [2021-11-13 23:59:20,326 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 23:59:20,328 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 23:59:20,328 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 23:59:20,328 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 23:59:20,336 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,360 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 23:59:20,360 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 23:59:20,361 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 23:59:20,361 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 23:59:20,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,371 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,371 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,374 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,377 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,379 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 23:59:20,380 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 23:59:20,380 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 23:59:20,380 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 23:59:20,381 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,388 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-13 23:59:20,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/z3 [2021-11-13 23:59:20,414 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-13 23:59:20,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-13 23:59:20,468 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-13 23:59:20,469 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-13 23:59:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2021-11-13 23:59:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2021-11-13 23:59:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 23:59:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 23:59:20,470 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-13 23:59:20,470 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-13 23:59:20,709 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 23:59:20,710 INFO L299 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-13 23:59:20,712 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:59:20 BoogieIcfgContainer [2021-11-13 23:59:20,713 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 23:59:20,713 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-13 23:59:20,714 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-13 23:59:20,734 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-13 23:59:20,734 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:59:20" (1/1) ... [2021-11-13 23:59:20,743 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 23:59:20,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-13 23:59:20,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2021-11-13 23:59:20,839 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2021-11-13 23:59:20,844 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-11-13 23:59:20,845 WARN L419 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2021-11-13 23:59:20,855 INFO L754 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2021-11-13 23:59:20,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 11:59:20 ImpRootNode [2021-11-13 23:59:20,898 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-13 23:59:20,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 23:59:20,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 23:59:20,899 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 23:59:20,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:59:20" (3/4) ... [2021-11-13 23:59:20,902 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-11-13 23:59:20,908 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2021-11-13 23:59:20,909 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2021-11-13 23:59:20,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-11-13 23:59:20,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2021-11-13 23:59:20,920 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2021-11-13 23:59:20,921 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-11-13 23:59:20,962 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/witness.graphml [2021-11-13 23:59:20,962 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 23:59:20,963 INFO L158 Benchmark]: Toolchain (without parser) took 877.15ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 55.8MB in the end (delta: 10.0MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2021-11-13 23:59:20,964 INFO L158 Benchmark]: CDTParser took 0.93ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:59:20,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 239.22ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 76.7MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 23:59:20,965 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.25ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 75.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:59:20,966 INFO L158 Benchmark]: Boogie Preprocessor took 18.30ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 74.7MB in the end (delta: 500.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 23:59:20,967 INFO L158 Benchmark]: RCFGBuilder took 333.20ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 64.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-13 23:59:20,967 INFO L158 Benchmark]: CodeCheck took 184.61ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 58.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-13 23:59:20,968 INFO L158 Benchmark]: Witness Printer took 63.55ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 55.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 23:59:20,971 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 16 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.93ms. Allocated memory is still 100.7MB. Free memory was 72.8MB in the beginning and 72.8MB in the end (delta: 21.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 239.22ms. Allocated memory is still 100.7MB. Free memory was 65.8MB in the beginning and 76.7MB in the end (delta: -10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.25ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 75.2MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.30ms. Allocated memory is still 100.7MB. Free memory was 75.2MB in the beginning and 74.7MB in the end (delta: 500.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 333.20ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 64.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 184.61ms. Allocated memory is still 100.7MB. Free memory was 63.7MB in the beginning and 58.4MB in the end (delta: 5.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Witness Printer took 63.55ms. Allocated memory is still 100.7MB. Free memory was 58.4MB in the beginning and 55.8MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2021-11-13 23:59:21,024 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b9bc61c-2004-45fd-815a-20a950672575/bin/ukojak-2xVlg8857e/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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