./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ms3f.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_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/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_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ms3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/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_134054ac-6523-41c9-ba43-7d57441efe4d/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 4c8140e2e8a1fdfd22598944f5691727061dbf1fd5151d567023569c44339f8c ............................................................................................................................................................................................................................................................. 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 03:33:39,877 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-29 03:33:39,879 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-29 03:33:39,930 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-29 03:33:39,931 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-29 03:33:39,934 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-29 03:33:39,937 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-29 03:33:39,941 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-29 03:33:39,944 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-29 03:33:39,950 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-29 03:33:39,951 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-29 03:33:39,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-29 03:33:39,954 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-29 03:33:39,957 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-29 03:33:39,960 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-29 03:33:39,965 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-29 03:33:39,967 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-29 03:33:39,968 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-29 03:33:39,971 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-29 03:33:39,985 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-29 03:33:39,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-29 03:33:39,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-29 03:33:39,994 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-29 03:33:39,995 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-29 03:33:40,005 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-29 03:33:40,005 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-29 03:33:40,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-29 03:33:40,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-29 03:33:40,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-29 03:33:40,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-29 03:33:40,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-29 03:33:40,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-29 03:33:40,015 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-29 03:33:40,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-29 03:33:40,019 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-29 03:33:40,019 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-29 03:33:40,020 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-29 03:33:40,020 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-29 03:33:40,021 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-29 03:33:40,022 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-29 03:33:40,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-29 03:33:40,023 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-10-29 03:33:40,071 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-29 03:33:40,075 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-29 03:33:40,076 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-10-29 03:33:40,077 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-10-29 03:33:40,078 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-29 03:33:40,078 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-29 03:33:40,079 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-29 03:33:40,079 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-29 03:33:40,079 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-29 03:33:40,079 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-29 03:33:40,080 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-29 03:33:40,081 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-10-29 03:33:40,081 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-10-29 03:33:40,081 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-10-29 03:33:40,081 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-29 03:33:40,082 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-29 03:33:40,082 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-29 03:33:40,082 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-10-29 03:33:40,082 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-10-29 03:33:40,083 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-10-29 03:33:40,083 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-29 03:33:40,083 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:33:40,083 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-29 03:33:40,084 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-10-29 03:33:40,084 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-10-29 03:33:40,084 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-10-29 03:33:40,084 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-10-29 03:33:40,085 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-10-29 03:33:40,085 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_134054ac-6523-41c9-ba43-7d57441efe4d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c8140e2e8a1fdfd22598944f5691727061dbf1fd5151d567023569c44339f8c [2021-10-29 03:33:40,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-29 03:33:40,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-29 03:33:40,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-29 03:33:40,406 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-29 03:33:40,407 INFO L275 PluginConnector]: CDTParser initialized [2021-10-29 03:33:40,408 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/../../sv-benchmarks/c/array-fpi/ms3f.c [2021-10-29 03:33:40,490 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/data/d9e363d23/828a9aa83f214cf79a7dd4ba965849ac/FLAG34f373bf9 [2021-10-29 03:33:41,014 INFO L306 CDTParser]: Found 1 translation units. [2021-10-29 03:33:41,015 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/sv-benchmarks/c/array-fpi/ms3f.c [2021-10-29 03:33:41,028 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/data/d9e363d23/828a9aa83f214cf79a7dd4ba965849ac/FLAG34f373bf9 [2021-10-29 03:33:41,354 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/data/d9e363d23/828a9aa83f214cf79a7dd4ba965849ac [2021-10-29 03:33:41,358 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-29 03:33:41,360 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-29 03:33:41,361 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-29 03:33:41,362 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-29 03:33:41,365 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-29 03:33:41,366 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,367 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@39b7f96f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41, skipping insertion in model container [2021-10-29 03:33:41,367 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,374 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-29 03:33:41,402 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-29 03:33:41,604 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_134054ac-6523-41c9-ba43-7d57441efe4d/sv-benchmarks/c/array-fpi/ms3f.c[587,600] [2021-10-29 03:33:41,620 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:33:41,627 INFO L203 MainTranslator]: Completed pre-run [2021-10-29 03:33:41,638 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_134054ac-6523-41c9-ba43-7d57441efe4d/sv-benchmarks/c/array-fpi/ms3f.c[587,600] [2021-10-29 03:33:41,646 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-29 03:33:41,661 INFO L208 MainTranslator]: Completed translation [2021-10-29 03:33:41,661 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41 WrapperNode [2021-10-29 03:33:41,661 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-29 03:33:41,663 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-29 03:33:41,663 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-29 03:33:41,663 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-29 03:33:41,671 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,679 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,700 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-29 03:33:41,701 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-29 03:33:41,701 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-29 03:33:41,701 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-29 03:33:41,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,713 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,713 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,720 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,724 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,726 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,728 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-29 03:33:41,729 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-29 03:33:41,729 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-29 03:33:41,730 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-29 03:33:41,731 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.10 03:33:41" (1/1) ... [2021-10-29 03:33:41,738 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-10-29 03:33:41,752 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/z3 [2021-10-29 03:33:41,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-10-29 03:33:41,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-10-29 03:33:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-29 03:33:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-29 03:33:41,812 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-10-29 03:33:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-10-29 03:33:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-29 03:33:41,813 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-29 03:33:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-10-29 03:33:41,813 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-10-29 03:33:42,132 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-29 03:33:42,132 INFO L299 CfgBuilder]: Removed 10 assume(true) statements. [2021-10-29 03:33:42,134 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:33:42 BoogieIcfgContainer [2021-10-29 03:33:42,134 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-29 03:33:42,135 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-10-29 03:33:42,136 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-10-29 03:33:42,146 INFO L275 PluginConnector]: CodeCheck initialized [2021-10-29 03:33:42,146 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:33:42" (1/1) ... [2021-10-29 03:33:42,155 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-29 03:33:42,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:42,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-10-29 03:33:42,210 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-10-29 03:33:42,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-10-29 03:33:42,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:42,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:42,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:42,471 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 03:33:42,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:42,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-10-29 03:33:42,516 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-10-29 03:33:42,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-10-29 03:33:42,517 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:42,517 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:42,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-29 03:33:42,631 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 03:33:42,741 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-10-29 03:33:42,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-10-29 03:33:42,742 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-10-29 03:33:42,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-10-29 03:33:42,743 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2021-10-29 03:33:42,743 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-29 03:33:42,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:33:42,840 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:33:42,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:33:42,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:33:42,992 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-29 03:33:43,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-29 03:33:43,071 WARN L480 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2021-10-29 03:33:43,102 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 29.10 03:33:43 ImpRootNode [2021-10-29 03:33:43,102 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-10-29 03:33:43,103 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-29 03:33:43,103 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-29 03:33:43,103 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-29 03:33:43,104 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.10 03:33:42" (3/4) ... [2021-10-29 03:33:43,106 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-10-29 03:33:43,158 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_134054ac-6523-41c9-ba43-7d57441efe4d/bin/ukojak-Rh5K9KB4LI/witness.graphml [2021-10-29 03:33:43,158 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-29 03:33:43,160 INFO L168 Benchmark]: Toolchain (without parser) took 1799.31 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 50.3 MB in the beginning and 78.1 MB in the end (delta: -27.8 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:33:43,161 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 90.2 MB. Free memory is still 66.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:33:43,163 INFO L168 Benchmark]: CACSL2BoogieTranslator took 300.60 ms. Allocated memory is still 90.2 MB. Free memory was 50.1 MB in the beginning and 66.4 MB in the end (delta: -16.3 MB). Peak memory consumption was 6.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:43,164 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.81 ms. Allocated memory is still 90.2 MB. Free memory was 66.1 MB in the beginning and 64.6 MB in the end (delta: 1.6 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:43,165 INFO L168 Benchmark]: Boogie Preprocessor took 27.34 ms. Allocated memory is still 90.2 MB. Free memory was 64.6 MB in the beginning and 63.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:43,166 INFO L168 Benchmark]: RCFGBuilder took 405.43 ms. Allocated memory is still 90.2 MB. Free memory was 63.3 MB in the beginning and 49.2 MB in the end (delta: 14.1 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:43,167 INFO L168 Benchmark]: CodeCheck took 967.07 ms. Allocated memory was 90.2 MB in the beginning and 113.2 MB in the end (delta: 23.1 MB). Free memory was 49.1 MB in the beginning and 80.1 MB in the end (delta: -31.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-29 03:33:43,169 INFO L168 Benchmark]: Witness Printer took 55.31 ms. Allocated memory is still 113.2 MB. Free memory was 80.1 MB in the beginning and 78.1 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-29 03:33:43,175 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, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.9s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 16 SDtfs, 6 SDslu, 0 SDs, 0 SdLazy, 34 SolverSat, 16 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 96 GetRequests, 89 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 21 NumberOfCodeBlocks, 21 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 11 ConstructedInterpolants, 0 QuantifiedInterpolants, 27 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 1/1 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] i=0 VAL [N=1] [L31] COND TRUE i