./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/brs2f.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_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/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_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/config/KojakReach.xml -i ../../sv-benchmarks/c/array-fpi/brs2f.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/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_a3295bac-44e1-4df7-a224-fd5f7a108f32/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 f5f17f058e96bd5c46baa242826f383c90eaddfa4dbca636ab924160b7cdb4ab --- Real Ultimate output --- This is Ultimate 0.2.1-dev-aef121e [2021-11-23 01:19:15,564 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 01:19:15,567 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 01:19:15,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 01:19:15,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 01:19:15,605 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 01:19:15,607 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 01:19:15,610 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 01:19:15,612 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 01:19:15,613 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 01:19:15,614 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 01:19:15,616 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 01:19:15,617 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 01:19:15,618 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 01:19:15,620 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 01:19:15,621 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 01:19:15,623 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 01:19:15,624 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 01:19:15,627 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 01:19:15,629 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 01:19:15,632 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 01:19:15,635 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 01:19:15,636 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 01:19:15,637 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 01:19:15,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 01:19:15,642 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 01:19:15,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 01:19:15,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 01:19:15,645 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 01:19:15,646 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 01:19:15,647 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 01:19:15,648 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 01:19:15,661 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 01:19:15,662 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 01:19:15,664 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 01:19:15,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 01:19:15,665 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 01:19:15,666 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 01:19:15,666 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 01:19:15,667 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 01:19:15,668 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 01:19:15,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 01:19:15,726 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 01:19:15,726 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 01:19:15,727 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 01:19:15,727 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 01:19:15,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 01:19:15,728 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 01:19:15,729 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 01:19:15,729 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 01:19:15,729 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 01:19:15,729 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 01:19:15,730 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 01:19:15,730 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 01:19:15,730 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 01:19:15,730 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 01:19:15,730 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 01:19:15,731 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 01:19:15,731 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 01:19:15,731 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 01:19:15,731 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 01:19:15,731 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 01:19:15,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 01:19:15,732 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:19:15,732 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 01:19:15,732 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 01:19:15,732 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 01:19:15,733 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 01:19:15,733 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 01:19:15,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 01:19:15,739 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_a3295bac-44e1-4df7-a224-fd5f7a108f32/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f5f17f058e96bd5c46baa242826f383c90eaddfa4dbca636ab924160b7cdb4ab [2021-11-23 01:19:16,004 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 01:19:16,033 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 01:19:16,036 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 01:19:16,037 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 01:19:16,038 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 01:19:16,041 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/../../sv-benchmarks/c/array-fpi/brs2f.c [2021-11-23 01:19:16,122 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/data/fd43bb8bb/435a0fea43454c589e40403e7e5bbf41/FLAG872a7b221 [2021-11-23 01:19:16,599 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 01:19:16,600 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/sv-benchmarks/c/array-fpi/brs2f.c [2021-11-23 01:19:16,606 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/data/fd43bb8bb/435a0fea43454c589e40403e7e5bbf41/FLAG872a7b221 [2021-11-23 01:19:16,969 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/data/fd43bb8bb/435a0fea43454c589e40403e7e5bbf41 [2021-11-23 01:19:16,971 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 01:19:16,974 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 01:19:16,984 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 01:19:16,985 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 01:19:16,988 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 01:19:16,989 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:16" (1/1) ... [2021-11-23 01:19:16,993 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b4e1dfe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:16, skipping insertion in model container [2021-11-23 01:19:16,994 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:19:16" (1/1) ... [2021-11-23 01:19:17,000 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 01:19:17,017 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 01:19:17,177 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_a3295bac-44e1-4df7-a224-fd5f7a108f32/sv-benchmarks/c/array-fpi/brs2f.c[588,601] [2021-11-23 01:19:17,196 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:19:17,204 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 01:19:17,215 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_a3295bac-44e1-4df7-a224-fd5f7a108f32/sv-benchmarks/c/array-fpi/brs2f.c[588,601] [2021-11-23 01:19:17,222 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 01:19:17,236 INFO L208 MainTranslator]: Completed translation [2021-11-23 01:19:17,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17 WrapperNode [2021-11-23 01:19:17,237 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 01:19:17,238 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 01:19:17,238 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 01:19:17,238 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 01:19:17,247 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,265 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,285 INFO L137 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 66 [2021-11-23 01:19:17,285 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 01:19:17,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 01:19:17,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 01:19:17,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 01:19:17,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,293 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,301 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,305 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,306 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,309 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 01:19:17,310 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 01:19:17,310 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 01:19:17,310 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 01:19:17,317 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,327 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 01:19:17,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/z3 [2021-11-23 01:19:17,367 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 01:19:17,397 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 01:19:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 01:19:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 01:19:17,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-23 01:19:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-23 01:19:17,421 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-23 01:19:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 01:19:17,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 01:19:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-23 01:19:17,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-23 01:19:17,500 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 01:19:17,502 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 01:19:17,638 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 01:19:17,683 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 01:19:17,684 INFO L301 CfgBuilder]: Removed 2 assume(true) statements. [2021-11-23 01:19:17,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:17 BoogieIcfgContainer [2021-11-23 01:19:17,690 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 01:19:17,691 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 01:19:17,691 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 01:19:17,700 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 01:19:17,700 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:17" (1/1) ... [2021-11-23 01:19:17,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 01:19:17,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:17,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2021-11-23 01:19:17,763 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2021-11-23 01:19:17,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2021-11-23 01:19:17,765 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:17,766 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:17,932 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 01:19:18,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 11 states and 14 transitions. [2021-11-23 01:19:18,014 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 14 transitions. [2021-11-23 01:19:18,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2021-11-23 01:19:18,015 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,015 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:18,161 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 01:19:18,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 12 states and 16 transitions. [2021-11-23 01:19:18,296 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 16 transitions. [2021-11-23 01:19:18,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2021-11-23 01:19:18,297 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,297 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2021-11-23 01:19:18,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:18,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 14 states and 22 transitions. [2021-11-23 01:19:18,648 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 22 transitions. [2021-11-23 01:19:18,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 01:19:18,651 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:18,651 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:18,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:18,833 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:19,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:19,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 17 states and 31 transitions. [2021-11-23 01:19:19,264 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 31 transitions. [2021-11-23 01:19:19,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 01:19:19,265 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:19,265 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:19,702 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:20,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:20,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 20 states and 37 transitions. [2021-11-23 01:19:20,851 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 37 transitions. [2021-11-23 01:19:20,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2021-11-23 01:19:20,851 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:20,852 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:20,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-23 01:19:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-23 01:19:21,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 01:19:21,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 24 states and 47 transitions. [2021-11-23 01:19:21,937 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 47 transitions. [2021-11-23 01:19:21,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2021-11-23 01:19:21,938 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 01:19:21,938 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 01:19:22,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:19:22,006 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:19:22,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:19:22,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:19:22,193 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-23 01:19:22,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-23 01:19:22,274 WARN L475 CodeCheckObserver]: This program is UNSAFE, Check terminated with 7 iterations. [2021-11-23 01:19:22,335 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:19:22 ImpRootNode [2021-11-23 01:19:22,335 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2021-11-23 01:19:22,336 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-23 01:19:22,336 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-23 01:19:22,336 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-23 01:19:22,336 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:19:17" (3/4) ... [2021-11-23 01:19:22,338 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-11-23 01:19:22,448 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a3295bac-44e1-4df7-a224-fd5f7a108f32/bin/ukojak-LBtLqBUTdQ/witness.graphml [2021-11-23 01:19:22,448 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-23 01:19:22,449 INFO L158 Benchmark]: Toolchain (without parser) took 5474.10ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 72.0MB in the beginning and 57.4MB in the end (delta: 14.6MB). Peak memory consumption was 35.1MB. Max. memory is 16.1GB. [2021-11-23 01:19:22,450 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 104.9MB. Free memory was 62.4MB in the beginning and 62.3MB in the end (delta: 77.1kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 01:19:22,451 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.60ms. Allocated memory is still 104.9MB. Free memory was 71.7MB in the beginning and 79.1MB in the end (delta: -7.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:19:22,452 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.61ms. Allocated memory is still 104.9MB. Free memory was 79.1MB in the beginning and 77.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:19:22,453 INFO L158 Benchmark]: Boogie Preprocessor took 22.96ms. Allocated memory is still 104.9MB. Free memory was 77.4MB in the beginning and 76.4MB in the end (delta: 1.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:19:22,453 INFO L158 Benchmark]: RCFGBuilder took 379.93ms. Allocated memory is still 104.9MB. Free memory was 76.4MB in the beginning and 64.2MB in the end (delta: 12.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 01:19:22,455 INFO L158 Benchmark]: CodeCheck took 4644.42ms. Allocated memory was 104.9MB in the beginning and 125.8MB in the end (delta: 21.0MB). Free memory was 64.2MB in the beginning and 59.5MB in the end (delta: 4.7MB). Peak memory consumption was 27.7MB. Max. memory is 16.1GB. [2021-11-23 01:19:22,455 INFO L158 Benchmark]: Witness Printer took 112.32ms. Allocated memory is still 125.8MB. Free memory was 59.5MB in the beginning and 57.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 01:19:22,461 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 10 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 4.6s, 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, 119 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 24 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 191 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 410 IncrementalHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 191 mSolverCounterUnsat, 24 mSDtfsCounter, 410 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 534 GetRequests, 441 SyntacticMatches, 5 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3222 ImplicationChecksByTransitivity, 2.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 63 NumberOfCodeBlocks, 63 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 45 ConstructedInterpolants, 0 QuantifiedInterpolants, 228 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 8/22 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); [L31] i=0 VAL [a={-1:0}, i=0, N=3, sum={4:0}] [L31] COND TRUE i