./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/sina5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/sina5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ --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 b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:39:18,224 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:39:18,226 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:39:18,262 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:39:18,263 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:39:18,264 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:39:18,266 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:39:18,268 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:39:18,271 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:39:18,272 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:39:18,273 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:39:18,275 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:39:18,275 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:39:18,277 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:39:18,279 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:39:18,280 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:39:18,282 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:39:18,283 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:39:18,285 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:39:18,288 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:39:18,290 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:39:18,292 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:39:18,294 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:39:18,295 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:39:18,298 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:39:18,299 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:39:18,300 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:39:18,301 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:39:18,302 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:39:18,303 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:39:18,303 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:39:18,305 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:39:18,306 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:39:18,307 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:39:18,308 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:39:18,309 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:39:18,310 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:39:18,310 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:39:18,310 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:39:18,312 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:39:18,313 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:39:18,314 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:39:18,338 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:39:18,339 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:39:18,340 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:39:18,340 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:39:18,341 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:39:18,342 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:39:18,342 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:39:18,343 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:39:18,343 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:39:18,344 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:39:18,344 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:39:18,344 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:39:18,345 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:39:18,345 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:39:18,346 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:39:18,346 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:39:18,346 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:39:18,347 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:39:18,347 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:39:18,348 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:39:18,348 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:39:18,348 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:18,349 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:39:18,349 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:39:18,349 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:39:18,349 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:39:18,350 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:39:18,350 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:39:18,350 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_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b73b0414d99f7fa4a7417f652fd7ea5389e7020bd4f2da0d09463462303a81ea [2021-11-23 00:39:18,645 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:39:18,674 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:39:18,677 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:39:18,678 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:39:18,679 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:39:18,682 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/sina5f.c [2021-11-23 00:39:18,770 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/data/112697170/46838818a2144b33baae460f2aa8a8b6/FLAG00f520049 [2021-11-23 00:39:19,247 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:39:19,248 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/sv-benchmarks/c/array-fpi/sina5f.c [2021-11-23 00:39:19,257 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/data/112697170/46838818a2144b33baae460f2aa8a8b6/FLAG00f520049 [2021-11-23 00:39:19,607 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/data/112697170/46838818a2144b33baae460f2aa8a8b6 [2021-11-23 00:39:19,610 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:39:19,611 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:39:19,617 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:19,617 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:39:19,621 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:39:19,621 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:19,626 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a606cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19, skipping insertion in model container [2021-11-23 00:39:19,626 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:19,636 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:39:19,657 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:39:19,917 WARN L230 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_8de7f071-6c25-4fd9-b924-8c2bc42202ce/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2021-11-23 00:39:19,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:19,951 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:39:19,962 WARN L230 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_8de7f071-6c25-4fd9-b924-8c2bc42202ce/sv-benchmarks/c/array-fpi/sina5f.c[589,602] [2021-11-23 00:39:19,973 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:39:19,989 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:39:19,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19 WrapperNode [2021-11-23 00:39:19,990 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:39:19,991 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:19,992 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:39:19,992 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:39:20,000 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:20,021 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:20,056 INFO L137 Inliner]: procedures = 17, calls = 27, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 109 [2021-11-23 00:39:20,056 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:39:20,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:39:20,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:39:20,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:39:20,063 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:20,064 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:20,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:20,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:20,072 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:20,077 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:20,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:20,081 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:39:20,082 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:39:20,082 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:39:20,082 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:39:20,091 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:39:19" (1/1) ... [2021-11-23 00:39:20,097 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:39:20,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:39:20,120 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:39:20,132 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:39:20,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:39:20,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:39:20,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:39:20,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:39:20,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:39:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:39:20,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:39:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:39:20,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:39:20,217 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:39:20,218 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:39:20,409 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:39:20,514 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:39:20,515 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 00:39:20,517 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:20 BoogieIcfgContainer [2021-11-23 00:39:20,517 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:39:20,518 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:39:20,518 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:39:20,529 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:39:20,529 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:20" (1/1) ... [2021-11-23 00:39:20,537 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:39:20,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:20,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-11-23 00:39:20,595 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-11-23 00:39:20,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:39:20,598 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:20,599 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:20,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:20,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 00:39:20,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:20,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 00:39:20,956 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 00:39:20,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:39:20,957 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:20,957 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:20,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:21,022 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 00:39:21,082 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:21,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 00:39:21,083 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 00:39:21,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:39:21,084 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:21,084 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:21,137 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 00:39:21,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:21,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 00:39:21,169 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 00:39:21,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 00:39:21,170 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:21,170 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 00:39:21,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:21,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2021-11-23 00:39:21,341 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-11-23 00:39:21,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 00:39:21,341 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:21,342 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:21,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:39:21,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 00:39:21,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:39:21,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-23 00:39:21,479 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-23 00:39:21,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 00:39:21,479 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:39:21,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:39:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:39:21,574 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:39:21,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:39:21,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:39:21,684 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:39:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:39:21,773 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2021-11-23 00:39:21,816 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:39:21 ImpRootNode [2021-11-23 00:39:21,818 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:39:21,820 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:39:21,821 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:39:21,821 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:39:21,822 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:39:20" (3/4) ... [2021-11-23 00:39:21,824 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:39:21,885 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8de7f071-6c25-4fd9-b924-8c2bc42202ce/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:39:21,885 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:39:21,886 INFO L158 Benchmark]: Toolchain (without parser) took 2274.79ms. Allocated memory was 100.7MB in the beginning and 142.6MB in the end (delta: 41.9MB). Free memory was 59.3MB in the beginning and 97.0MB in the end (delta: -37.7MB). Peak memory consumption was 3.4MB. Max. memory is 16.1GB. [2021-11-23 00:39:21,887 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 100.7MB. Free memory is still 75.7MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:21,888 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.77ms. Allocated memory is still 100.7MB. Free memory was 59.1MB in the beginning and 74.2MB in the end (delta: -15.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 00:39:21,889 INFO L158 Benchmark]: Boogie Procedure Inliner took 64.82ms. Allocated memory is still 100.7MB. Free memory was 74.2MB in the beginning and 72.5MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:21,889 INFO L158 Benchmark]: Boogie Preprocessor took 24.74ms. Allocated memory is still 100.7MB. Free memory was 72.5MB in the beginning and 71.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:39:21,890 INFO L158 Benchmark]: RCFGBuilder took 435.13ms. Allocated memory is still 100.7MB. Free memory was 71.0MB in the beginning and 57.2MB in the end (delta: 13.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 00:39:21,891 INFO L158 Benchmark]: CodeCheck took 1300.55ms. Allocated memory was 100.7MB in the beginning and 142.6MB in the end (delta: 41.9MB). Free memory was 57.2MB in the beginning and 100.0MB in the end (delta: -42.8MB). Peak memory consumption was 1.2MB. Max. memory is 16.1GB. [2021-11-23 00:39:21,892 INFO L158 Benchmark]: Witness Printer took 65.02ms. Allocated memory is still 142.6MB. Free memory was 99.1MB in the beginning and 97.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:39:21,896 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, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.2s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 214 SdHoareTripleChecker+Valid, 0.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 36 mSDsluCounter, 25 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 211 IncrementalHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 25 mSDtfsCounter, 211 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 510 GetRequests, 488 SyntacticMatches, 16 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, 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 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L30] long long *b = malloc(sizeof(long long)*N); [L32] sum[0] = 0 [L33] i=0 VAL [a={-2:0}, b={-1:0}, i=0, N=1, sum={26930:0}] [L33] COND TRUE i