./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version b2eff8ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f87d87feb6b3eb77c1ba9d366f89cd4d9d3928d0e44ca40cd3ef7a1b992c1355 ..................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 02:53:47,819 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 02:53:47,822 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 02:53:47,877 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 02:53:47,878 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 02:53:47,882 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 02:53:47,884 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 02:53:47,888 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 02:53:47,891 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 02:53:47,899 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 02:53:47,900 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 02:53:47,902 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 02:53:47,903 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 02:53:47,906 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 02:53:47,908 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 02:53:47,914 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 02:53:47,916 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 02:53:47,917 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 02:53:47,920 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 02:53:47,929 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 02:53:47,931 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 02:53:47,933 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 02:53:47,936 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 02:53:47,938 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 02:53:47,947 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 02:53:47,948 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 02:53:47,948 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 02:53:47,951 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 02:53:47,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 02:53:47,954 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 02:53:47,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 02:53:47,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 02:53:47,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 02:53:47,957 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 02:53:47,958 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 02:53:47,959 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 02:53:47,959 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 02:53:47,959 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 02:53:47,960 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 02:53:47,960 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 02:53:47,961 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 02:53:47,962 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 02:53:48,007 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 02:53:48,007 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 02:53:48,009 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 02:53:48,009 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 02:53:48,010 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 02:53:48,010 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 02:53:48,010 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 02:53:48,011 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 02:53:48,011 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 02:53:48,011 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 02:53:48,012 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 02:53:48,012 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 02:53:48,013 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 02:53:48,013 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 02:53:48,013 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 02:53:48,013 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 02:53:48,013 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 02:53:48,014 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 02:53:48,014 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 02:53:48,014 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 02:53:48,014 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 02:53:48,014 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:48,015 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 02:53:48,015 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 02:53:48,015 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 02:53:48,015 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 02:53:48,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 02:53:48,016 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 02:53:48,016 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_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f87d87feb6b3eb77c1ba9d366f89cd4d9d3928d0e44ca40cd3ef7a1b992c1355 [2021-10-29 02:53:48,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 02:53:48,296 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 02:53:48,299 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 02:53:48,300 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 02:53:48,301 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 02:53:48,302 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2021-10-29 02:53:48,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/data/329cc2ef0/63eace2d06cd4d1892c22ab6613adaec/FLAG297ddc2e2 [2021-10-29 02:53:48,887 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 02:53:48,890 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i [2021-10-29 02:53:48,901 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/data/329cc2ef0/63eace2d06cd4d1892c22ab6613adaec/FLAG297ddc2e2 [2021-10-29 02:53:49,232 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/data/329cc2ef0/63eace2d06cd4d1892c22ab6613adaec [2021-10-29 02:53:49,234 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 02:53:49,236 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 02:53:49,237 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:49,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 02:53:49,241 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 02:53:49,242 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,243 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5efaa3f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49, skipping insertion in model container [2021-10-29 02:53:49,243 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,250 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 02:53:49,265 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 02:53:49,439 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_b82b5e81-613c-4ecd-8751-96ac58a552a6/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i[813,826] [2021-10-29 02:53:49,455 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:49,463 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 02:53:49,475 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_b82b5e81-613c-4ecd-8751-96ac58a552a6/sv-benchmarks/c/array-examples/sanfoundry_43_ground.i[813,826] [2021-10-29 02:53:49,482 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 02:53:49,496 INFO L208 MainTranslator]: Completed translation [2021-10-29 02:53:49,496 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49 WrapperNode [2021-10-29 02:53:49,497 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 02:53:49,498 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:49,498 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 02:53:49,500 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 02:53:49,508 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,518 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,547 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 02:53:49,548 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 02:53:49,548 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 02:53:49,549 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 02:53:49,557 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,558 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,572 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,573 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,577 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,581 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,582 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,585 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 02:53:49,586 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 02:53:49,586 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 02:53:49,586 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 02:53:49,587 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 02:53:49" (1/1) ... [2021-10-29 02:53:49,595 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 02:53:49,605 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 02:53:49,619 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 02:53:49,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 02:53:49,680 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 02:53:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 02:53:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 02:53:49,681 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 02:53:49,682 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 02:53:49,682 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 02:53:49,683 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 02:53:50,095 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 02:53:50,095 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-10-29 02:53:50,097 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:50 BoogieIcfgContainer [2021-10-29 02:53:50,097 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 02:53:50,098 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 02:53:50,099 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 02:53:50,110 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 02:53:50,110 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:50" (1/1) ... [2021-10-29 02:53:50,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 02:53:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 02:53:50,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7 states to 5 states and 7 transitions. [2021-10-29 02:53:50,157 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 7 transitions. [2021-10-29 02:53:50,159 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-10-29 02:53:50,159 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 1 iterations. [2021-10-29 02:53:50,165 INFO L759 CodeCheckObserver]: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. [2021-10-29 02:53:50,176 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:53:50,181 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:53:50,181 INFO L565 CodeCheckObserver]: Invariant with dag size 1 [2021-10-29 02:53:50,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 02:53:50 ImpRootNode [2021-10-29 02:53:50,182 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 02:53:50,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 02:53:50,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 02:53:50,183 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 02:53:50,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 02:53:50" (3/4) ... [2021-10-29 02:53:50,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-10-29 02:53:50,197 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2021-10-29 02:53:50,198 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-10-29 02:53:50,198 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2021-10-29 02:53:50,199 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-10-29 02:53:50,243 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 02:53:50,243 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 02:53:50,245 INFO L168 Benchmark]: Toolchain (without parser) took 1008.41 ms. Allocated memory is still 127.9 MB. Free memory was 95.1 MB in the beginning and 81.8 MB in the end (delta: 13.3 MB). Peak memory consumption was 11.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:50,246 INFO L168 Benchmark]: CDTParser took 0.32 ms. Allocated memory is still 98.6 MB. Free memory is still 54.4 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 02:53:50,247 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.84 ms. Allocated memory is still 127.9 MB. Free memory was 95.1 MB in the beginning and 103.9 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:50,248 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.86 ms. Allocated memory is still 127.9 MB. Free memory was 103.9 MB in the beginning and 102.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:50,249 INFO L168 Benchmark]: Boogie Preprocessor took 37.07 ms. Allocated memory is still 127.9 MB. Free memory was 102.3 MB in the beginning and 101.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:50,250 INFO L168 Benchmark]: RCFGBuilder took 511.91 ms. Allocated memory is still 127.9 MB. Free memory was 101.1 MB in the beginning and 88.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:50,251 INFO L168 Benchmark]: CodeCheck took 83.70 ms. Allocated memory is still 127.9 MB. Free memory was 88.5 MB in the beginning and 84.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:50,251 INFO L168 Benchmark]: Witness Printer took 60.58 ms. Allocated memory is still 127.9 MB. Free memory was 84.3 MB in the beginning and 81.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 02:53:50,255 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 1 procedures, 5 locations, 0 error locations. Started 1 CEGAR loops. OverallTime: 0.0s, 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: No data available, 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. - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 34]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32 ms. Allocated memory is still 98.6 MB. Free memory is still 54.4 MB. There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 259.84 ms. Allocated memory is still 127.9 MB. Free memory was 95.1 MB in the beginning and 103.9 MB in the end (delta: -8.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 48.86 ms. Allocated memory is still 127.9 MB. Free memory was 103.9 MB in the beginning and 102.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 37.07 ms. Allocated memory is still 127.9 MB. Free memory was 102.3 MB in the beginning and 101.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 511.91 ms. Allocated memory is still 127.9 MB. Free memory was 101.1 MB in the beginning and 88.5 MB in the end (delta: 12.6 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * CodeCheck took 83.70 ms. Allocated memory is still 127.9 MB. Free memory was 88.5 MB in the beginning and 84.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. * Witness Printer took 60.58 ms. Allocated memory is still 127.9 MB. Free memory was 84.3 MB in the beginning and 81.8 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. RESULT: Ultimate proved your program to be correct! [2021-10-29 02:53:50,305 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b82b5e81-613c-4ecd-8751-96ac58a552a6/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request...