./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s22iff.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_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/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_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/s22iff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/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_bafb5bb1-507c-466e-8bde-c4a72695da8e/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 75e129c4ccc113a1bc74f150c5c9a3b8e8a8a3019d365123b9e2a3c8e4f46d6c ................................................................................................................................................................................................................................................................................ 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 04:12:25,853 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 04:12:25,856 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 04:12:25,908 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 04:12:25,909 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 04:12:25,913 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 04:12:25,915 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 04:12:25,919 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 04:12:25,921 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 04:12:25,927 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 04:12:25,928 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 04:12:25,929 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 04:12:25,930 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 04:12:25,932 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 04:12:25,934 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 04:12:25,939 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 04:12:25,940 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 04:12:25,941 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 04:12:25,943 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 04:12:25,951 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 04:12:25,953 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 04:12:25,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 04:12:25,958 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 04:12:25,959 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 04:12:25,968 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 04:12:25,968 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 04:12:25,969 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 04:12:25,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 04:12:25,972 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 04:12:25,973 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 04:12:25,974 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 04:12:25,974 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 04:12:25,976 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 04:12:25,977 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 04:12:25,979 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 04:12:25,979 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 04:12:25,980 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 04:12:25,980 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 04:12:25,981 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 04:12:25,981 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 04:12:25,982 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 04:12:25,983 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 04:12:26,023 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 04:12:26,023 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 04:12:26,024 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 04:12:26,025 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 04:12:26,025 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 04:12:26,026 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 04:12:26,026 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 04:12:26,026 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 04:12:26,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 04:12:26,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 04:12:26,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 04:12:26,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 04:12:26,035 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 04:12:26,035 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 04:12:26,035 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 04:12:26,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 04:12:26,036 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 04:12:26,036 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 04:12:26,036 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 04:12:26,037 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 04:12:26,037 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 04:12:26,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:12:26,038 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 04:12:26,038 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 04:12:26,038 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 04:12:26,038 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 04:12:26,039 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 04:12:26,039 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 04:12:26,039 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_bafb5bb1-507c-466e-8bde-c4a72695da8e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 75e129c4ccc113a1bc74f150c5c9a3b8e8a8a3019d365123b9e2a3c8e4f46d6c [2021-10-29 04:12:26,324 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 04:12:26,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 04:12:26,361 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 04:12:26,362 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 04:12:26,363 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 04:12:26,364 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/array-fpi/s22iff.c [2021-10-29 04:12:26,442 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/data/e70a61cac/9352334118ea4a7e9c9ac9fc3d0d2e2f/FLAGa465112e2 [2021-10-29 04:12:26,959 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 04:12:26,960 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/sv-benchmarks/c/array-fpi/s22iff.c [2021-10-29 04:12:26,976 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/data/e70a61cac/9352334118ea4a7e9c9ac9fc3d0d2e2f/FLAGa465112e2 [2021-10-29 04:12:27,358 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/data/e70a61cac/9352334118ea4a7e9c9ac9fc3d0d2e2f [2021-10-29 04:12:27,360 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 04:12:27,363 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 04:12:27,367 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 04:12:27,367 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 04:12:27,370 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 04:12:27,371 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,372 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28b9764f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27, skipping insertion in model container [2021-10-29 04:12:27,373 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,380 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 04:12:27,401 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 04:12:27,608 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_bafb5bb1-507c-466e-8bde-c4a72695da8e/sv-benchmarks/c/array-fpi/s22iff.c[589,602] [2021-10-29 04:12:27,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:12:27,634 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 04:12:27,651 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_bafb5bb1-507c-466e-8bde-c4a72695da8e/sv-benchmarks/c/array-fpi/s22iff.c[589,602] [2021-10-29 04:12:27,661 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 04:12:27,675 INFO L208 MainTranslator]: Completed translation [2021-10-29 04:12:27,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27 WrapperNode [2021-10-29 04:12:27,675 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 04:12:27,677 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 04:12:27,677 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 04:12:27,677 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 04:12:27,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,703 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,721 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 04:12:27,722 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 04:12:27,722 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 04:12:27,722 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 04:12:27,730 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,730 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,732 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,733 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,742 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,746 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,747 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,750 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 04:12:27,751 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 04:12:27,751 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 04:12:27,753 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 04:12:27,754 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 04:12:27" (1/1) ... [2021-10-29 04:12:27,764 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 04:12:27,782 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 04:12:27,801 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 04:12:27,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 04:12:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 04:12:27,847 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 04:12:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 04:12:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 04:12:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 04:12:27,848 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 04:12:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 04:12:27,848 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 04:12:28,376 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 04:12:28,377 INFO L299 CfgBuilder]: Removed 11 assume(true) statements. [2021-10-29 04:12:28,379 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:28 BoogieIcfgContainer [2021-10-29 04:12:28,380 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 04:12:28,381 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 04:12:28,381 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 04:12:28,389 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 04:12:28,389 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:28" (1/1) ... [2021-10-29 04:12:28,398 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 04:12:28,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:28,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 11 states and 15 transitions. [2021-10-29 04:12:28,426 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 15 transitions. [2021-10-29 04:12:28,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 04:12:28,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:28,429 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:28,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:12:28,584 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 04:12:28,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:28,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-10-29 04:12:28,609 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-10-29 04:12:28,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 04:12:28,610 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:28,610 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:28,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:12:28,683 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 04:12:28,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:28,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 13 states and 18 transitions. [2021-10-29 04:12:28,764 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 18 transitions. [2021-10-29 04:12:28,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-10-29 04:12:28,765 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:28,766 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:28,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 04:12:28,847 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 04:12:28,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 04:12:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2021-10-29 04:12:28,893 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2021-10-29 04:12:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-10-29 04:12:28,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 04:12:28,895 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 04:12:28,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:12:28,987 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 04:12:29,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 04:12:29,034 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 4 iterations. [2021-10-29 04:12:29,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 04:12:29 ImpRootNode [2021-10-29 04:12:29,094 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 04:12:29,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 04:12:29,095 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 04:12:29,095 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 04:12:29,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 04:12:28" (3/4) ... [2021-10-29 04:12:29,097 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 04:12:29,164 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bafb5bb1-507c-466e-8bde-c4a72695da8e/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 04:12:29,165 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 04:12:29,166 INFO L168 Benchmark]: Toolchain (without parser) took 1803.01 ms. Allocated memory was 113.2 MB in the beginning and 151.0 MB in the end (delta: 37.7 MB). Free memory was 73.6 MB in the beginning and 127.2 MB in the end (delta: -53.6 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:12:29,167 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 113.2 MB. Free memory was 90.2 MB in the beginning and 90.2 MB in the end (delta: 74.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:12:29,168 INFO L168 Benchmark]: CACSL2BoogieTranslator took 308.73 ms. Allocated memory is still 113.2 MB. Free memory was 73.4 MB in the beginning and 87.3 MB in the end (delta: -13.9 MB). Peak memory consumption was 10.5 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,168 INFO L168 Benchmark]: Boogie Procedure Inliner took 44.63 ms. Allocated memory is still 113.2 MB. Free memory was 87.3 MB in the beginning and 85.8 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 04:12:29,169 INFO L168 Benchmark]: Boogie Preprocessor took 28.22 ms. Allocated memory is still 113.2 MB. Free memory was 85.8 MB in the beginning and 84.5 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,170 INFO L168 Benchmark]: RCFGBuilder took 629.34 ms. Allocated memory is still 113.2 MB. Free memory was 84.5 MB in the beginning and 68.0 MB in the end (delta: 16.4 MB). Peak memory consumption was 16.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,170 INFO L168 Benchmark]: CodeCheck took 713.18 ms. Allocated memory is still 113.2 MB. Free memory was 68.0 MB in the beginning and 89.6 MB in the end (delta: -21.5 MB). Peak memory consumption was 31.8 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,171 INFO L168 Benchmark]: Witness Printer took 70.55 ms. Allocated memory was 113.2 MB in the beginning and 151.0 MB in the end (delta: 37.7 MB). Free memory was 89.5 MB in the beginning and 127.2 MB in the end (delta: -37.7 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2021-10-29 04:12:29,174 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, 11 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 40 SDtfs, 20 SDslu, 0 SDs, 0 SdLazy, 94 SolverSat, 42 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 180 SyntacticMatches, 4 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 21 ConstructedInterpolants, 0 QuantifiedInterpolants, 51 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 3/3 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] int *a = malloc(sizeof(int)*N); [L31] sum[0] = 1 [L32] i=0 VAL [N=1] [L32] COND TRUE i