./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ssinaf.c --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_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/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_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ssinaf.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/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_5d19e1a3-b26b-4acd-af70-372c73357b99/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 ddcf6f6b8b47c7423a3bd6901a6e7495bbcabee1ee319bc4ff81e77a0ec22bd8 ....................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-b2eff8b [2021-10-29 04:05:03,075 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:05:03,079 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:05:03,136 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:05:03,137 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:05:03,141 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:05:03,143 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:05:03,147 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:05:03,150 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:05:03,158 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:05:03,159 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:05:03,161 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:05:03,161 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:05:03,164 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:05:03,166 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:05:03,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:05:03,174 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:05:03,176 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:05:03,178 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:05:03,186 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:05:03,188 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:05:03,189 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:05:03,193 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:05:03,194 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:05:03,204 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:05:03,204 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:05:03,205 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:05:03,207 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:05:03,208 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:05:03,210 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:05:03,210 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:05:03,211 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:05:03,213 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:05:03,215 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:05:03,216 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:05:03,217 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:05:03,218 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:05:03,218 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:05:03,218 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:05:03,219 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:05:03,220 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:05:03,221 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:05:03,264 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:05:03,264 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:05:03,266 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:05:03,266 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:05:03,267 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:05:03,267 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:05:03,268 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:05:03,268 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:05:03,274 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:05:03,275 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:05:03,276 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:05:03,276 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:05:03,276 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:05:03,276 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:05:03,277 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:05:03,277 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:05:03,277 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:05:03,277 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:05:03,277 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:05:03,278 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:05:03,278 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:05:03,278 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:05:03,278 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:05:03,278 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:05:03,279 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:05:03,279 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:05:03,279 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:05:03,279 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:05:03,279 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_5d19e1a3-b26b-4acd-af70-372c73357b99/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ddcf6f6b8b47c7423a3bd6901a6e7495bbcabee1ee319bc4ff81e77a0ec22bd8 [2021-10-29 04:05:03,547 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:05:03,571 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:05:03,575 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:05:03,576 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:05:03,577 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:05:03,579 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/array-fpi/ssinaf.c [2021-10-29 04:05:03,660 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/data/556db28fb/770b3953d4cb4f3785434b7a7d8d4017/FLAGab1c19977 [2021-10-29 04:05:04,291 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:05:04,297 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/sv-benchmarks/c/array-fpi/ssinaf.c [2021-10-29 04:05:04,307 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/data/556db28fb/770b3953d4cb4f3785434b7a7d8d4017/FLAGab1c19977 [2021-10-29 04:05:04,637 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/data/556db28fb/770b3953d4cb4f3785434b7a7d8d4017 [2021-10-29 04:05:04,639 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:05:04,642 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:05:04,644 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:05:04,644 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:05:04,648 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:05:04,649 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:04,650 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b0fb8b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04, skipping insertion in model container [2021-10-29 04:05:04,650 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:04,659 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:05:04,683 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:05:04,878 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_5d19e1a3-b26b-4acd-af70-372c73357b99/sv-benchmarks/c/array-fpi/ssinaf.c[589,602] [2021-10-29 04:05:04,909 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:05:04,917 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:05:04,928 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_5d19e1a3-b26b-4acd-af70-372c73357b99/sv-benchmarks/c/array-fpi/ssinaf.c[589,602] [2021-10-29 04:05:04,940 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:05:04,955 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:05:04,956 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04 WrapperNode [2021-10-29 04:05:04,956 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:05:04,957 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:05:04,958 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:05:04,958 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:05:04,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:04,993 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:05,014 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:05:05,015 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:05:05,015 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:05:05,015 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:05:05,021 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:05,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:05,024 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:05,024 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:05,032 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:05,037 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:05,039 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:05,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:05:05,043 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:05:05,043 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:05:05,043 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:05:05,044 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:05:04" (1/1) ... [2021-10-29 04:05:05,052 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:05:05,065 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:05:05,092 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:05:05,126 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:05:05,156 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:05:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:05:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:05:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:05:05,157 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:05:05,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:05:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:05:05,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:05:05,651 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:05:05,652 INFO L299 CfgBuilder]: Removed 14 assume(true) statements. [2021-10-29 04:05:05,654 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:05:05 BoogieIcfgContainer [2021-10-29 04:05:05,655 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:05:05,656 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:05:05,656 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:05:05,667 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:05:05,673 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:05:05" (1/1) ... [2021-10-29 04:05:05,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:05:05,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:05,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-10-29 04:05:05,730 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-10-29 04:05:05,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:05:05,733 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:05,734 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:05,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:05,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-29 04:05:06,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:06,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-10-29 04:05:06,018 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-10-29 04:05:06,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-10-29 04:05:06,019 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:06,020 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:06,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:06,168 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-10-29 04:05:06,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:06,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-10-29 04:05:06,227 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-10-29 04:05:06,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-10-29 04:05:06,228 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:06,228 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:06,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:06,277 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-10-29 04:05:06,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:06,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-10-29 04:05:06,307 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-10-29 04:05:06,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-10-29 04:05:06,308 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:06,308 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:06,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:06,385 INFO L263 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:05:06,391 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:05:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-10-29 04:05:06,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:06,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2021-10-29 04:05:06,608 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-10-29 04:05:06,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-10-29 04:05:06,609 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:06,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:06,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:05:06,688 INFO L263 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 3 conjunts are in the unsatisfiable core [2021-10-29 04:05:06,691 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-29 04:05:06,764 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-10-29 04:05:06,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:05:06,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-10-29 04:05:06,829 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-10-29 04:05:06,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-10-29 04:05:06,830 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:05:06,830 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:05:06,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:05:06,915 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:05:06,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:05:06,982 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2021-10-29 04:05:07,042 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:05:07 ImpRootNode [2021-10-29 04:05:07,042 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:05:07,043 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:05:07,043 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:05:07,043 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:05:07,044 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:05:05" (3/4) ... [2021-10-29 04:05:07,045 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:05:07,100 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5d19e1a3-b26b-4acd-af70-372c73357b99/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:05:07,106 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:05:07,108 INFO L168 Benchmark]: Toolchain (without parser) took 2465.74 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 46.1 MB in the beginning and 45.9 MB in the end (delta: 196.9 kB). Peak memory consumption was 18.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:07,108 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 88.1 MB. Free memory is still 62.6 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:05:07,109 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.51 ms. Allocated memory is still 88.1 MB. Free memory was 45.9 MB in the beginning and 61.4 MB in the end (delta: -15.6 MB). Peak memory consumption was 5.9 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:07,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.77 ms. Allocated memory is still 88.1 MB. Free memory was 61.2 MB in the beginning and 59.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:07,110 INFO L168 Benchmark]: Boogie Preprocessor took 27.17 ms. Allocated memory is still 88.1 MB. Free memory was 59.6 MB in the beginning and 58.2 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:05:07,110 INFO L168 Benchmark]: RCFGBuilder took 612.20 ms. Allocated memory is still 88.1 MB. Free memory was 58.2 MB in the beginning and 42.1 MB in the end (delta: 16.2 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:07,111 INFO L168 Benchmark]: CodeCheck took 1386.56 ms. Allocated memory was 88.1 MB in the beginning and 107.0 MB in the end (delta: 18.9 MB). Free memory was 41.9 MB in the beginning and 48.6 MB in the end (delta: -6.7 MB). Peak memory consumption was 14.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:07,112 INFO L168 Benchmark]: Witness Printer took 63.21 ms. Allocated memory is still 107.0 MB. Free memory was 48.6 MB in the beginning and 45.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:05:07,115 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: 272 SDtfs, 102 SDslu, 0 SDs, 0 SdLazy, 452 SolverSat, 198 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 527 GetRequests, 499 SyntacticMatches, 18 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 75 NumberOfCodeBlocks, 75 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 0 QuantifiedInterpolants, 125 SizeOfPredicates, 0 NumberOfNonLiveVariables, 192 ConjunctsInSsa, 6 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) [L13] COND FALSE !(!cond) [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 [N=1] [L32] COND TRUE i