./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/res2of.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aef121e0 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/res2of.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c443a32322d029170cf71bca98c2ac394c12ba940138aa3cb9e35513f4737641 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:29:02,731 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:29:02,733 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:29:02,773 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:29:02,774 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:29:02,775 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:29:02,777 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:29:02,780 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:29:02,782 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:29:02,783 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:29:02,784 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:29:02,786 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:29:02,787 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:29:02,788 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:29:02,790 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:29:02,792 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:29:02,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:29:02,797 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:29:02,800 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:29:02,805 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:29:02,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:29:02,816 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:29:02,818 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:29:02,819 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:29:02,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:29:02,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:29:02,823 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:29:02,824 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:29:02,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:29:02,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:29:02,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:29:02,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:29:02,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:29:02,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:29:02,832 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:29:02,832 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:29:02,833 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:29:02,833 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:29:02,834 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:29:02,835 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:29:02,836 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:29:02,841 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:29:02,889 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:29:02,890 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:29:02,891 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:29:02,892 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:29:02,892 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:29:02,893 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:29:02,893 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:29:02,893 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:29:02,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:29:02,900 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:29:02,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:29:02,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:29:02,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:29:02,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:29:02,902 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:29:02,903 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:29:02,903 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:29:02,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:29:02,903 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:29:02,904 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:29:02,904 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:29:02,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:29:02,905 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:29:02,905 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:29:02,905 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:29:02,905 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:29:02,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:29:02,906 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:29:02,906 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_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c443a32322d029170cf71bca98c2ac394c12ba940138aa3cb9e35513f4737641 [2021-11-23 01:29:03,165 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:29:03,196 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:29:03,199 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:29:03,200 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:29:03,201 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:29:03,203 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/res2of.c [2021-11-23 01:29:03,276 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/data/ed95b1abd/a2a4cff11eb24ad9acfe0f1bee665082/FLAG177763537 [2021-11-23 01:29:03,787 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:29:03,787 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/sv-benchmarks/c/array-fpi/res2of.c [2021-11-23 01:29:03,795 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/data/ed95b1abd/a2a4cff11eb24ad9acfe0f1bee665082/FLAG177763537 [2021-11-23 01:29:04,166 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/data/ed95b1abd/a2a4cff11eb24ad9acfe0f1bee665082 [2021-11-23 01:29:04,169 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:29:04,171 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:29:04,172 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:29:04,173 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:29:04,178 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:29:04,179 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,180 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75e30817 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04, skipping insertion in model container [2021-11-23 01:29:04,181 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,188 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:29:04,203 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:29:04,385 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_c43947ed-a97c-44fd-ad94-6d7043a18b7b/sv-benchmarks/c/array-fpi/res2of.c[589,602] [2021-11-23 01:29:04,410 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:29:04,419 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:29:04,431 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_c43947ed-a97c-44fd-ad94-6d7043a18b7b/sv-benchmarks/c/array-fpi/res2of.c[589,602] [2021-11-23 01:29:04,442 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:29:04,456 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:29:04,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04 WrapperNode [2021-11-23 01:29:04,457 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:29:04,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:29:04,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:29:04,459 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:29:04,467 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,475 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,512 INFO L137 Inliner]: procedures = 17, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 113 [2021-11-23 01:29:04,514 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:29:04,515 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:29:04,515 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:29:04,515 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:29:04,524 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,524 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,539 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,541 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,547 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,564 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,575 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:29:04,576 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:29:04,577 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:29:04,577 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:29:04,578 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:29:04" (1/1) ... [2021-11-23 01:29:04,589 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:29:04,608 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:29:04,626 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:29:04,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:29:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:29:04,676 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:29:04,677 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:29:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:29:04,678 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:29:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:29:04,679 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:29:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:29:04,679 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:29:04,777 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:29:04,779 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:29:04,949 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:29:04,999 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:29:04,999 INFO L301 CfgBuilder]: Removed 6 assume(true) statements. [2021-11-23 01:29:05,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:05 BoogieIcfgContainer [2021-11-23 01:29:05,002 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:29:05,003 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:29:05,003 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:29:05,014 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:29:05,014 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:05" (1/1) ... [2021-11-23 01:29:05,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:29:05,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 14 states and 21 transitions. [2021-11-23 01:29:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 21 transitions. [2021-11-23 01:29:05,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:29:05,104 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,105 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:29:05,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2021-11-23 01:29:05,387 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2021-11-23 01:29:05,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:29:05,387 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,388 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,451 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:29:05,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2021-11-23 01:29:05,512 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2021-11-23 01:29:05,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:29:05,513 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,513 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2021-11-23 01:29:05,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2021-11-23 01:29:05,604 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2021-11-23 01:29:05,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 01:29:05,605 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,605 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,704 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2021-11-23 01:29:05,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2021-11-23 01:29:05,758 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2021-11-23 01:29:05,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2021-11-23 01:29:05,760 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,761 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-11-23 01:29:05,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2021-11-23 01:29:05,842 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2021-11-23 01:29:05,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2021-11-23 01:29:05,843 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,843 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:29:05,919 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2021-11-23 01:29:05,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:29:05,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2021-11-23 01:29:05,967 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2021-11-23 01:29:05,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2021-11-23 01:29:05,968 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:29:05,969 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:29:06,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:29:06,026 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:29:06,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:29:06,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:29:06,274 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:29:06,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:29:06,337 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2021-11-23 01:29:06,417 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:29:06 ImpRootNode [2021-11-23 01:29:06,421 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:29:06,422 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:29:06,422 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:29:06,422 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:29:06,423 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:29:05" (3/4) ... [2021-11-23 01:29:06,426 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:29:06,503 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c43947ed-a97c-44fd-ad94-6d7043a18b7b/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:29:06,504 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:29:06,505 INFO L158 Benchmark]: Toolchain (without parser) took 2333.71ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 79.9MB in the beginning and 112.9MB in the end (delta: -33.0MB). Peak memory consumption was 132.2kB. Max. memory is 16.1GB. [2021-11-23 01:29:06,505 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 109.1MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:29:06,506 INFO L158 Benchmark]: CACSL2BoogieTranslator took 285.31ms. Allocated memory was 109.1MB in the beginning and 144.7MB in the end (delta: 35.7MB). Free memory was 79.9MB in the beginning and 119.5MB in the end (delta: -39.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 01:29:06,506 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.38ms. Allocated memory is still 144.7MB. Free memory was 119.5MB in the beginning and 118.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:29:06,507 INFO L158 Benchmark]: Boogie Preprocessor took 60.95ms. Allocated memory is still 144.7MB. Free memory was 118.1MB in the beginning and 116.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:29:06,508 INFO L158 Benchmark]: RCFGBuilder took 425.74ms. Allocated memory is still 144.7MB. Free memory was 116.7MB in the beginning and 102.1MB in the end (delta: 14.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2021-11-23 01:29:06,508 INFO L158 Benchmark]: CodeCheck took 1418.13ms. Allocated memory is still 144.7MB. Free memory was 102.1MB in the beginning and 115.0MB in the end (delta: -12.9MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:29:06,509 INFO L158 Benchmark]: Witness Printer took 82.13ms. Allocated memory is still 144.7MB. Free memory was 115.0MB in the beginning and 112.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:29:06,511 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.3s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 275 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 55 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.6s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 93 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 292 IncrementalHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 93 mSolverCounterUnsat, 24 mSDtfsCounter, 292 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 646 GetRequests, 615 SyntacticMatches, 25 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, 0.2s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 69 ConstructedInterpolants, 0 QuantifiedInterpolants, 165 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 15/15 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L30] int *b = malloc(sizeof(int)*N); [L31] int *c = malloc(sizeof(int)*N); [L33] sum[0] = 0 [L34] i=0 VAL [a={-1:0}, b={-2:0}, c={-3:0}, i=0, N=1, sum={13507:0}] [L34] COND TRUE i