./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/ss3f.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/ss3f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 76ae16499864b13b3948e2270be5b31e7a14f523ef5d86d5f7c4d24360e8b13e --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:36:27,664 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:36:27,667 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:36:27,711 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:36:27,712 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:36:27,713 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:36:27,715 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:36:27,719 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:36:27,722 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:36:27,723 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:36:27,724 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:36:27,725 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:36:27,726 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:36:27,727 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:36:27,729 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:36:27,730 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:36:27,736 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:36:27,741 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:36:27,743 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:36:27,753 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:36:27,756 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:36:27,758 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:36:27,762 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:36:27,763 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:36:27,773 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:36:27,773 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:36:27,774 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:36:27,775 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:36:27,776 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:36:27,777 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:36:27,778 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:36:27,779 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:36:27,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:36:27,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:36:27,784 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:36:27,784 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:36:27,785 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:36:27,785 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:36:27,786 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:36:27,787 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:36:27,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:36:27,789 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:36:27,849 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:36:27,849 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:36:27,851 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:36:27,851 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:36:27,852 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:36:27,852 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:36:27,852 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:36:27,853 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:36:27,853 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:36:27,853 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:36:27,854 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:36:27,854 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:36:27,855 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:36:27,855 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:36:27,855 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:36:27,855 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:36:27,856 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:36:27,856 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:36:27,856 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:36:27,856 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:36:27,856 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:36:27,857 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:27,857 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:36:27,857 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:36:27,858 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:36:27,858 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:36:27,859 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:36:27,860 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:36:27,860 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_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 76ae16499864b13b3948e2270be5b31e7a14f523ef5d86d5f7c4d24360e8b13e [2022-10-17 16:36:28,172 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:36:28,201 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:36:28,204 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:36:28,205 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:36:28,207 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:36:28,209 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/array-fpi/ss3f.c [2022-10-17 16:36:28,280 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/data/3d157280c/6a970f716cb44ba19a620bf4569fce60/FLAG599cf703e [2022-10-17 16:36:28,737 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:36:28,739 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/sv-benchmarks/c/array-fpi/ss3f.c [2022-10-17 16:36:28,747 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/data/3d157280c/6a970f716cb44ba19a620bf4569fce60/FLAG599cf703e [2022-10-17 16:36:29,098 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/data/3d157280c/6a970f716cb44ba19a620bf4569fce60 [2022-10-17 16:36:29,100 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:36:29,102 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:36:29,104 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:29,104 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:36:29,107 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:36:29,108 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,109 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@41d9084d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29, skipping insertion in model container [2022-10-17 16:36:29,110 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,117 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:36:29,132 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:36:29,351 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_cde04b6a-5efc-4436-8204-5699fb85a95e/sv-benchmarks/c/array-fpi/ss3f.c[587,600] [2022-10-17 16:36:29,388 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:29,403 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:36:29,418 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_cde04b6a-5efc-4436-8204-5699fb85a95e/sv-benchmarks/c/array-fpi/ss3f.c[587,600] [2022-10-17 16:36:29,445 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:36:29,460 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:36:29,461 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29 WrapperNode [2022-10-17 16:36:29,461 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:36:29,462 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:29,463 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:36:29,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:36:29,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,489 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,521 INFO L138 Inliner]: procedures = 17, calls = 33, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 105 [2022-10-17 16:36:29,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:36:29,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:36:29,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:36:29,523 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:36:29,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,537 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,538 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,556 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,562 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,568 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,572 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:36:29,575 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:36:29,575 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:36:29,576 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:36:29,577 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:36:29" (1/1) ... [2022-10-17 16:36:29,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:36:29,593 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:36:29,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:36:29,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:36:29,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:36:29,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:36:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:36:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:36:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2022-10-17 16:36:29,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:36:29,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:36:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:36:29,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:36:29,755 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:36:29,757 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:36:30,025 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:36:30,083 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:36:30,083 INFO L300 CfgBuilder]: Removed 5 assume(true) statements. [2022-10-17 16:36:30,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:30 BoogieIcfgContainer [2022-10-17 16:36:30,086 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:36:30,087 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:36:30,087 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:36:30,097 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:36:30,098 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:30" (1/1) ... [2022-10-17 16:36:30,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:36:30,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:30,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 13 states and 19 transitions. [2022-10-17 16:36:30,181 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 19 transitions. [2022-10-17 16:36:30,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-10-17 16:36:30,183 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:30,184 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:30,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,453 INFO L263 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:30,458 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:30,521 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-10-17 16:36:30,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:30,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 14 states and 20 transitions. [2022-10-17 16:36:30,582 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 20 transitions. [2022-10-17 16:36:30,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:36:30,582 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:30,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:30,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,681 INFO L263 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:30,683 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:30,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2022-10-17 16:36:30,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:30,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2022-10-17 16:36:30,828 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2022-10-17 16:36:30,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2022-10-17 16:36:30,829 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:30,829 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:30,974 INFO L263 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:30,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:31,016 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2022-10-17 16:36:31,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:31,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 16 states and 24 transitions. [2022-10-17 16:36:31,075 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 24 transitions. [2022-10-17 16:36:31,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2022-10-17 16:36:31,075 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:31,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:31,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:31,209 INFO L263 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:31,211 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:31,265 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2022-10-17 16:36:31,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 17 states and 26 transitions. [2022-10-17 16:36:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 26 transitions. [2022-10-17 16:36:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2022-10-17 16:36:31,307 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:31,307 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:31,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:36:31,413 INFO L263 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 3 conjunts are in the unsatisfiable core [2022-10-17 16:36:31,414 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-10-17 16:36:31,441 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2022-10-17 16:36:31,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:36:31,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 18 states and 28 transitions. [2022-10-17 16:36:31,473 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 28 transitions. [2022-10-17 16:36:31,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2022-10-17 16:36:31,474 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:36:31,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:36:31,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:31,569 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:36:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:36:31,630 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 6 iterations. [2022-10-17 16:36:31,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:36:31 ImpRootNode [2022-10-17 16:36:31,683 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:36:31,685 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:36:31,685 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:36:31,685 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:36:31,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:36:30" (3/4) ... [2022-10-17 16:36:31,688 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:36:31,776 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cde04b6a-5efc-4436-8204-5699fb85a95e/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:36:31,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:36:31,777 INFO L158 Benchmark]: Toolchain (without parser) took 2675.16ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 60.5MB in the beginning and 69.1MB in the end (delta: -8.6MB). Peak memory consumption was 22.5MB. Max. memory is 16.1GB. [2022-10-17 16:36:31,778 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 104.9MB. Free memory is still 76.7MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:36:31,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 357.90ms. Allocated memory is still 104.9MB. Free memory was 60.3MB in the beginning and 77.5MB in the end (delta: -17.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-10-17 16:36:31,790 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.82ms. Allocated memory is still 104.9MB. Free memory was 77.5MB in the beginning and 75.5MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:31,791 INFO L158 Benchmark]: Boogie Preprocessor took 51.14ms. Allocated memory is still 104.9MB. Free memory was 75.5MB in the beginning and 74.1MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:31,792 INFO L158 Benchmark]: RCFGBuilder took 511.69ms. Allocated memory is still 104.9MB. Free memory was 74.1MB in the beginning and 58.6MB in the end (delta: 15.6MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:36:31,792 INFO L158 Benchmark]: CodeCheck took 1596.16ms. Allocated memory was 104.9MB in the beginning and 136.3MB in the end (delta: 31.5MB). Free memory was 58.6MB in the beginning and 72.0MB in the end (delta: -13.5MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2022-10-17 16:36:31,792 INFO L158 Benchmark]: Witness Printer took 91.75ms. Allocated memory is still 136.3MB. Free memory was 72.0MB in the beginning and 69.1MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:36:31,795 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 13 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.5s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 184 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 26 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 65 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 191 IncrementalHoareTripleChecker+Invalid, 256 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 65 mSolverCounterUnsat, 20 mSDtfsCounter, 191 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 496 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 69 NumberOfCodeBlocks, 69 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 145 SizeOfPredicates, 2 NumberOfNonLiveVariables, 565 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 10/10 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] long long *a = malloc(sizeof(long long)*N); [L31] sum[0] = 0 [L32] i=0 VAL [a={4:0}, i=0, N=1, sum={6:0}] [L32] COND TRUE i