./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss4f.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_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/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_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ss4f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/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_98a34096-7640-4578-8917-e7585ad56fed/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 ec849c99676c748abc5b9766c44a36d723f69a872b4d768d06c539c74569bdf4 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 00:41:46,077 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 00:41:46,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 00:41:46,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 00:41:46,157 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 00:41:46,161 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 00:41:46,164 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 00:41:46,167 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 00:41:46,170 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 00:41:46,172 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 00:41:46,173 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 00:41:46,175 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 00:41:46,176 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 00:41:46,178 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 00:41:46,186 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 00:41:46,188 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 00:41:46,190 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 00:41:46,191 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 00:41:46,194 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 00:41:46,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 00:41:46,200 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 00:41:46,203 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 00:41:46,205 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 00:41:46,212 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 00:41:46,217 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 00:41:46,222 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 00:41:46,222 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 00:41:46,224 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 00:41:46,225 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 00:41:46,226 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 00:41:46,227 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 00:41:46,228 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 00:41:46,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 00:41:46,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 00:41:46,233 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 00:41:46,233 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 00:41:46,235 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 00:41:46,235 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 00:41:46,236 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 00:41:46,237 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 00:41:46,239 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 00:41:46,240 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 00:41:46,268 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 00:41:46,268 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 00:41:46,270 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 00:41:46,270 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 00:41:46,271 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 00:41:46,271 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 00:41:46,272 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 00:41:46,272 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 00:41:46,272 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 00:41:46,273 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 00:41:46,273 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 00:41:46,273 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 00:41:46,274 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 00:41:46,274 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 00:41:46,274 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 00:41:46,274 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 00:41:46,275 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 00:41:46,275 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 00:41:46,275 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 00:41:46,276 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 00:41:46,276 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 00:41:46,276 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:41:46,277 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 00:41:46,277 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 00:41:46,277 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 00:41:46,278 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 00:41:46,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 00:41:46,278 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 00:41:46,279 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_98a34096-7640-4578-8917-e7585ad56fed/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec849c99676c748abc5b9766c44a36d723f69a872b4d768d06c539c74569bdf4 [2021-11-23 00:41:46,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 00:41:46,601 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 00:41:46,605 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 00:41:46,606 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 00:41:46,608 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 00:41:46,610 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/ss4f.c [2021-11-23 00:41:46,696 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/data/bc8c8ab91/a29863be016c488f8944e1ffdba43825/FLAG5f0e58312 [2021-11-23 00:41:47,306 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 00:41:47,307 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/sv-benchmarks/c/array-fpi/ss4f.c [2021-11-23 00:41:47,315 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/data/bc8c8ab91/a29863be016c488f8944e1ffdba43825/FLAG5f0e58312 [2021-11-23 00:41:47,686 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/data/bc8c8ab91/a29863be016c488f8944e1ffdba43825 [2021-11-23 00:41:47,693 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 00:41:47,696 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 00:41:47,701 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 00:41:47,701 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 00:41:47,705 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 00:41:47,707 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:47" (1/1) ... [2021-11-23 00:41:47,710 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133c321a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:47, skipping insertion in model container [2021-11-23 00:41:47,711 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:41:47" (1/1) ... [2021-11-23 00:41:47,721 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 00:41:47,747 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 00:41:47,956 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_98a34096-7640-4578-8917-e7585ad56fed/sv-benchmarks/c/array-fpi/ss4f.c[587,600] [2021-11-23 00:41:47,981 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:41:47,991 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 00:41:48,008 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_98a34096-7640-4578-8917-e7585ad56fed/sv-benchmarks/c/array-fpi/ss4f.c[587,600] [2021-11-23 00:41:48,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 00:41:48,044 INFO L208 MainTranslator]: Completed translation [2021-11-23 00:41:48,044 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48 WrapperNode [2021-11-23 00:41:48,045 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 00:41:48,046 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 00:41:48,046 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 00:41:48,047 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 00:41:48,056 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,070 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,126 INFO L137 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 97 [2021-11-23 00:41:48,126 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 00:41:48,127 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 00:41:48,127 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 00:41:48,128 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 00:41:48,141 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,141 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,161 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,161 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,169 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,174 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,176 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,179 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 00:41:48,180 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 00:41:48,180 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 00:41:48,181 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 00:41:48,182 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,194 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 00:41:48,212 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 00:41:48,235 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 00:41:48,256 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 00:41:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 00:41:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 00:41:48,306 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 00:41:48,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 00:41:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 00:41:48,310 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 00:41:48,311 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 00:41:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 00:41:48,311 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 00:41:48,427 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 00:41:48,429 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 00:41:48,606 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 00:41:48,667 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 00:41:48,668 INFO L301 CfgBuilder]: Removed 4 assume(true) statements. [2021-11-23 00:41:48,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:48 BoogieIcfgContainer [2021-11-23 00:41:48,671 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 00:41:48,672 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 00:41:48,673 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 00:41:48,712 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 00:41:48,713 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:48" (1/1) ... [2021-11-23 00:41:48,733 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 00:41:48,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:48,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 12 states and 17 transitions. [2021-11-23 00:41:48,810 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 17 transitions. [2021-11-23 00:41:48,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 00:41:48,814 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:48,816 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:48,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:49,042 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 00:41:49,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:49,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-11-23 00:41:49,123 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-11-23 00:41:49,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 00:41:49,124 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:49,124 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:49,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:49,254 INFO L263 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:41:49,259 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:49,414 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 00:41:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:49,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-11-23 00:41:49,525 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-11-23 00:41:49,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 00:41:49,527 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:49,528 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:49,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:49,645 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 00:41:49,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:49,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 00:41:49,758 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 00:41:49,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 00:41:49,759 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:49,759 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:49,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 00:41:49,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 3 conjunts are in the unsatisfiable core [2021-11-23 00:41:49,817 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-23 00:41:49,861 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 00:41:49,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 00:41:49,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 00:41:49,917 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 00:41:49,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 00:41:49,918 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 00:41:49,918 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 00:41:49,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:41:49,983 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 00:41:50,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 00:41:50,053 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2021-11-23 00:41:50,112 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 12:41:50 ImpRootNode [2021-11-23 00:41:50,113 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 00:41:50,114 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 00:41:50,114 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 00:41:50,114 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 00:41:50,115 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:41:48" (3/4) ... [2021-11-23 00:41:50,118 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 00:41:50,178 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_98a34096-7640-4578-8917-e7585ad56fed/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 00:41:50,178 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 00:41:50,179 INFO L158 Benchmark]: Toolchain (without parser) took 2482.94ms. Allocated memory is still 90.2MB. Free memory was 65.0MB in the beginning and 60.0MB in the end (delta: 5.0MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2021-11-23 00:41:50,180 INFO L158 Benchmark]: CDTParser took 0.40ms. Allocated memory is still 73.4MB. Free memory was 42.3MB in the beginning and 42.3MB in the end (delta: 39.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:41:50,183 INFO L158 Benchmark]: CACSL2BoogieTranslator took 344.64ms. Allocated memory is still 90.2MB. Free memory was 64.8MB in the beginning and 54.5MB in the end (delta: 10.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 00:41:50,197 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.25ms. Allocated memory is still 90.2MB. Free memory was 54.4MB in the beginning and 52.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:41:50,197 INFO L158 Benchmark]: Boogie Preprocessor took 51.98ms. Allocated memory is still 90.2MB. Free memory was 52.7MB in the beginning and 51.4MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:41:50,198 INFO L158 Benchmark]: RCFGBuilder took 491.18ms. Allocated memory is still 90.2MB. Free memory was 51.4MB in the beginning and 38.9MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2021-11-23 00:41:50,198 INFO L158 Benchmark]: CodeCheck took 1440.61ms. Allocated memory is still 90.2MB. Free memory was 38.8MB in the beginning and 62.1MB in the end (delta: -23.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 00:41:50,199 INFO L158 Benchmark]: Witness Printer took 64.74ms. Allocated memory is still 90.2MB. Free memory was 62.1MB in the beginning and 60.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 00:41:50,202 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, 12 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 5, 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, 125 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 42 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 125 IncrementalHoareTripleChecker+Invalid, 167 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 42 mSolverCounterUnsat, 16 mSDtfsCounter, 125 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 323 GetRequests, 303 SyntacticMatches, 10 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 50 NumberOfCodeBlocks, 50 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 34 ConstructedInterpolants, 0 QuantifiedInterpolants, 82 SizeOfPredicates, 2 NumberOfNonLiveVariables, 184 ConjunctsInSsa, 6 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 6/6 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); [L31] sum[0] = 0 [L32] i=0 VAL [a={4:0}, i=0, N=1, sum={6:0}] [L32] COND TRUE i