./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/indp5f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/indp5f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB --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 1aa1c5eebe5698e757084bc14ffc6aa65975acfbbb2e3cd0916dc71d3907dd29 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:36:39,190 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:39,192 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:39,239 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:39,240 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:39,245 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:39,248 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:39,252 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:39,256 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:39,263 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:39,265 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:39,268 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:39,268 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:39,271 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:39,274 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:39,276 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:39,279 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:39,280 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:39,282 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:39,293 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:39,295 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:39,296 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:39,300 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:39,301 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:39,306 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:39,307 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:39,307 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:39,309 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:39,310 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:39,311 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:39,311 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:39,312 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:39,313 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:39,314 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:39,315 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:39,316 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:39,317 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:39,317 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:39,317 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:39,318 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:39,319 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:39,320 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:39,345 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:39,346 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:39,347 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:39,347 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:39,348 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:39,348 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:39,348 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:39,348 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:39,349 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:39,349 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:39,349 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:39,349 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:39,349 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:39,350 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:39,350 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:39,350 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:39,350 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:39,350 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:39,351 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:39,351 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:39,351 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:39,351 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:39,352 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:39,352 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:39,352 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:39,352 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:39,352 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:39,353 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:39,353 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_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1aa1c5eebe5698e757084bc14ffc6aa65975acfbbb2e3cd0916dc71d3907dd29 [2022-10-17 16:36:39,624 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:39,654 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:39,657 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:39,658 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:39,659 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:39,661 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/indp5f.c [2022-10-17 16:36:39,735 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/data/15f7dce12/e4cdb14a675e4fb08f688ebe59c46e37/FLAG0113aa500 [2022-10-17 16:36:40,196 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:40,198 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/sv-benchmarks/c/array-fpi/indp5f.c [2022-10-17 16:36:40,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/data/15f7dce12/e4cdb14a675e4fb08f688ebe59c46e37/FLAG0113aa500 [2022-10-17 16:36:40,551 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/data/15f7dce12/e4cdb14a675e4fb08f688ebe59c46e37 [2022-10-17 16:36:40,553 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:40,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:40,563 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:40,563 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:40,567 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:40,568 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,569 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5125e285 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40, skipping insertion in model container [2022-10-17 16:36:40,570 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:40,593 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:40,831 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_741d6c10-60fd-4d5f-a868-d6fb11d8c069/sv-benchmarks/c/array-fpi/indp5f.c[589,602] [2022-10-17 16:36:40,857 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:40,866 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:40,879 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_741d6c10-60fd-4d5f-a868-d6fb11d8c069/sv-benchmarks/c/array-fpi/indp5f.c[589,602] [2022-10-17 16:36:40,890 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:40,905 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:40,905 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40 WrapperNode [2022-10-17 16:36:40,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:40,907 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:40,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:40,908 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:40,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,924 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,946 INFO L138 Inliner]: procedures = 17, calls = 25, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 96 [2022-10-17 16:36:40,946 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:40,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:40,948 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:40,948 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:40,958 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,958 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,961 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,961 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,967 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,972 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,974 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,975 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,978 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:40,979 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:40,979 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:40,979 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:40,980 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:40" (1/1) ... [2022-10-17 16:36:40,987 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:40,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:41,013 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:41,036 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:36:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:36:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:36:41,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:41,065 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:36:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:36:41,141 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:41,145 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:41,387 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:41,434 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:41,435 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:36:41,437 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:41 BoogieIcfgContainer [2022-10-17 16:36:41,437 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:41,438 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:41,438 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:41,453 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:41,453 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:41" (1/1) ... [2022-10-17 16:36:41,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:41,556 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:41,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2022-10-17 16:36:41,564 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2022-10-17 16:36:41,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:41,567 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:41,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:41,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:41,983 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:42,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:42,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:36:42,073 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:36:42,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:42,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:42,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:42,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:42,200 INFO L263 TraceCheckSpWp]: Trace formula consists of 92 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:42,207 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:42,279 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:42,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:42,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 16:36:42,423 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 16:36:42,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:42,431 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:42,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:42,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:42,520 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:42,522 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:42,549 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:42,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-10-17 16:36:42,644 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 16:36:42,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:42,645 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:42,645 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:42,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:42,732 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:42,734 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:42,770 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:36:42,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:42,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2022-10-17 16:36:42,811 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2022-10-17 16:36:42,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:42,812 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:42,813 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:42,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:42,898 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:42,899 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:42,943 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:42,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:42,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-10-17 16:36:42,995 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-10-17 16:36:42,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:42,995 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:42,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:43,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:43,081 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:36:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:43,126 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-10-17 16:36:43,161 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:36:43 ImpRootNode [2022-10-17 16:36:43,162 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:36:43,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:36:43,162 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:36:43,163 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:36:43,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:41" (3/4) ... [2022-10-17 16:36:43,165 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:36:43,214 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_741d6c10-60fd-4d5f-a868-d6fb11d8c069/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:36:43,214 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:36:43,215 INFO L158 Benchmark]: Toolchain (without parser) took 2660.39ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 64.9MB in the beginning and 51.8MB in the end (delta: 13.1MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2022-10-17 16:36:43,216 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 98.6MB. Free memory was 70.3MB in the beginning and 70.3MB in the end (delta: 26.8kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:43,217 INFO L158 Benchmark]: CACSL2BoogieTranslator took 343.03ms. Allocated memory is still 98.6MB. Free memory was 64.6MB in the beginning and 74.4MB in the end (delta: -9.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:36:43,217 INFO L158 Benchmark]: Boogie Procedure Inliner took 39.75ms. Allocated memory is still 98.6MB. Free memory was 73.9MB in the beginning and 72.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:43,218 INFO L158 Benchmark]: Boogie Preprocessor took 30.57ms. Allocated memory is still 98.6MB. Free memory was 72.3MB in the beginning and 70.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:43,219 INFO L158 Benchmark]: RCFGBuilder took 458.79ms. Allocated memory is still 98.6MB. Free memory was 70.9MB in the beginning and 55.9MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:36:43,219 INFO L158 Benchmark]: CodeCheck took 1723.54ms. Allocated memory was 98.6MB in the beginning and 119.5MB in the end (delta: 21.0MB). Free memory was 55.5MB in the beginning and 54.5MB in the end (delta: 1.0MB). Peak memory consumption was 23.9MB. Max. memory is 16.1GB. [2022-10-17 16:36:43,220 INFO L158 Benchmark]: Witness Printer took 52.35ms. Allocated memory is still 119.5MB. Free memory was 54.5MB in the beginning and 51.8MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:43,224 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, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 188 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 30 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 195 IncrementalHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 20 mSDtfsCounter, 195 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 491 GetRequests, 477 SyntacticMatches, 4 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 144 SizeOfPredicates, 2 NumberOfNonLiveVariables, 410 ConjunctsInSsa, 12 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 *a = malloc(sizeof(long long)*N); [L29] long long sum[1]; [L31] sum[0] = 1 [L32] i=0 VAL [a={-1:0}, i=0, N=1, sum={4:0}] [L32] COND TRUE i