./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i --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_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/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_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/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_84743e15-7873-4025-b99e-f20164eefa49/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 d092867a9e1055748d4525b336ea1f27e78b14112d4f5a890867dcf4a9fe862b --- 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 16:55:36,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:55:36,638 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:55:36,684 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:55:36,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:55:36,689 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:55:36,691 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:55:36,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:55:36,700 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:55:36,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:55:36,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:55:36,709 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:55:36,710 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:55:36,713 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:55:36,715 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:55:36,718 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:55:36,720 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:55:36,721 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:55:36,723 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:55:36,731 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:55:36,733 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:55:36,735 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:55:36,738 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:55:36,740 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:55:36,750 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:55:36,751 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:55:36,751 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:55:36,753 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:55:36,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:55:36,755 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:55:36,756 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:55:36,758 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:55:36,760 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:55:36,761 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:55:36,764 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:55:36,764 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:55:36,765 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:55:36,765 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:55:36,766 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:55:36,767 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:55:36,768 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:55:36,769 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:55:36,816 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:55:36,817 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:55:36,818 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:55:36,818 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:55:36,819 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:55:36,819 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:55:36,820 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:55:36,820 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:55:36,820 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:55:36,820 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:55:36,821 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:55:36,822 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:55:36,822 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:55:36,822 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:55:36,822 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:55:36,823 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:55:36,823 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:55:36,823 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:55:36,823 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:55:36,823 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:55:36,824 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:55:36,824 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:36,824 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:55:36,824 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:55:36,825 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:55:36,825 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:55:36,825 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:55:36,831 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:55:36,832 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_84743e15-7873-4025-b99e-f20164eefa49/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d092867a9e1055748d4525b336ea1f27e78b14112d4f5a890867dcf4a9fe862b [2022-10-17 16:55:37,109 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:55:37,135 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:55:37,137 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:55:37,139 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:55:37,141 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:55:37,143 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2022-10-17 16:55:37,247 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/data/80c72d902/ab0f49f94e1347178fbbeb71904d59b1/FLAG3921dd28c [2022-10-17 16:55:37,816 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:55:37,817 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i [2022-10-17 16:55:37,825 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/data/80c72d902/ab0f49f94e1347178fbbeb71904d59b1/FLAG3921dd28c [2022-10-17 16:55:38,171 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/data/80c72d902/ab0f49f94e1347178fbbeb71904d59b1 [2022-10-17 16:55:38,174 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:55:38,175 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:55:38,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:38,179 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:55:38,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:55:38,183 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,184 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a0a73b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38, skipping insertion in model container [2022-10-17 16:55:38,184 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,192 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:55:38,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:55:38,392 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_84743e15-7873-4025-b99e-f20164eefa49/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i[921,934] [2022-10-17 16:55:38,418 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:38,426 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:55:38,437 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_84743e15-7873-4025-b99e-f20164eefa49/sv-benchmarks/c/loop-crafted/simple_array_index_value_1-2.i[921,934] [2022-10-17 16:55:38,442 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:55:38,459 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:55:38,460 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38 WrapperNode [2022-10-17 16:55:38,460 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:55:38,461 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:38,461 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:55:38,461 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:55:38,469 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,477 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,495 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 37 [2022-10-17 16:55:38,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:55:38,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:55:38,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:55:38,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:55:38,506 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,509 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,513 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,517 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,519 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,520 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,522 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:55:38,523 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:55:38,523 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:55:38,523 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:55:38,524 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,531 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:55:38,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:55:38,560 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:55:38,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:55:38,603 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:55:38,604 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:55:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:55:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:55:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:55:38,605 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:55:38,605 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:55:38,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:55:38,687 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:55:38,689 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:55:38,819 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:55:38,862 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:55:38,862 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 16:55:38,864 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:38 BoogieIcfgContainer [2022-10-17 16:55:38,865 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:55:38,866 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:55:38,866 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:55:38,876 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:55:38,877 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:38" (1/1) ... [2022-10-17 16:55:38,887 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:55:38,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2022-10-17 16:55:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2022-10-17 16:55:38,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2022-10-17 16:55:38,948 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:38,949 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:39,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-10-17 16:55:39,090 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 16:55:39,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:55:39,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2022-10-17 16:55:39,114 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2022-10-17 16:55:39,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2022-10-17 16:55:39,115 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:55:39,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:55:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:55:39,154 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:55:39,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:55:39,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:55:39,238 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 16:55:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 16:55:39,263 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2022-10-17 16:55:39,331 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 17.10 04:55:39 ImpRootNode [2022-10-17 16:55:39,331 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2022-10-17 16:55:39,332 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-10-17 16:55:39,332 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-10-17 16:55:39,332 INFO L275 PluginConnector]: Witness Printer initialized [2022-10-17 16:55:39,332 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:55:38" (3/4) ... [2022-10-17 16:55:39,334 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2022-10-17 16:55:39,386 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/witness.graphml [2022-10-17 16:55:39,387 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-10-17 16:55:39,388 INFO L158 Benchmark]: Toolchain (without parser) took 1212.00ms. Allocated memory is still 102.8MB. Free memory was 62.5MB in the beginning and 45.4MB in the end (delta: 17.1MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-10-17 16:55:39,388 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:55:39,389 INFO L158 Benchmark]: CACSL2BoogieTranslator took 282.29ms. Allocated memory is still 102.8MB. Free memory was 62.2MB in the beginning and 78.1MB in the end (delta: -15.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:55:39,390 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.11ms. Allocated memory is still 102.8MB. Free memory was 78.1MB in the beginning and 76.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:55:39,390 INFO L158 Benchmark]: Boogie Preprocessor took 25.05ms. Allocated memory is still 102.8MB. Free memory was 76.8MB in the beginning and 75.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:55:39,391 INFO L158 Benchmark]: RCFGBuilder took 342.04ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 64.2MB in the end (delta: 11.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2022-10-17 16:55:39,392 INFO L158 Benchmark]: CodeCheck took 465.52ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 47.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2022-10-17 16:55:39,393 INFO L158 Benchmark]: Witness Printer took 55.09ms. Allocated memory is still 102.8MB. Free memory was 47.0MB in the beginning and 45.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:55:39,397 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 6 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 6 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 30 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 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: 26]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L35] unsigned int array[10000]; [L36] unsigned int index = 0; [L37] unsigned int tmp = 0; VAL [array={842:0}, index=0, tmp=0] [L39] COND TRUE 1 [L40] index = __VERIFIER_nondet_uint() [L41] COND TRUE index >= 10000 VAL [array={842:0}, index=4294967295, tmp=0] [L48] EXPR tmp < 10000 && array[tmp] == tmp [L48] EXPR array[tmp] [L48] EXPR tmp < 10000 && array[tmp] == tmp [L48] CALL __VERIFIER_assert(tmp < 10000 && array[tmp] == tmp) [L25] COND TRUE !(cond) VAL [\old(cond)=0, cond=0] [L26] reach_error() VAL [\old(cond)=0, cond=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 102.8MB. Free memory is still 78.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 282.29ms. Allocated memory is still 102.8MB. Free memory was 62.2MB in the beginning and 78.1MB in the end (delta: -15.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.11ms. Allocated memory is still 102.8MB. Free memory was 78.1MB in the beginning and 76.8MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.05ms. Allocated memory is still 102.8MB. Free memory was 76.8MB in the beginning and 75.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 342.04ms. Allocated memory is still 102.8MB. Free memory was 75.6MB in the beginning and 64.2MB in the end (delta: 11.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 465.52ms. Allocated memory is still 102.8MB. Free memory was 63.9MB in the beginning and 47.0MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 55.09ms. Allocated memory is still 102.8MB. Free memory was 47.0MB in the beginning and 45.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be incorrect! [2022-10-17 16:55:39,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84743e15-7873-4025-b99e-f20164eefa49/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE