./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/afterrec-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6a47aea7 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu --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 bd3dbeb1201d252c8f1e3c61a135802ff8f8ccfcc09353f09b9750e3ee951591 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:39,678 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:39,681 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:39,737 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:39,738 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:39,739 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:39,741 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:39,744 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:39,746 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:39,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:39,749 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:39,750 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:39,751 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:39,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:39,754 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:39,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:39,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:39,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:39,761 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:39,764 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:39,766 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:39,768 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:39,769 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:39,770 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:39,774 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:39,775 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:39,775 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:39,776 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:39,777 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:39,778 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:39,779 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:39,780 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:39,781 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:39,782 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:39,783 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:39,783 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:39,784 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:39,784 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:39,785 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:39,786 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:39,787 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:39,787 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:33:39,810 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:39,810 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:39,811 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:39,811 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:39,812 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:39,812 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:39,812 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:39,812 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:39,813 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:33:39,813 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:39,813 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:39,813 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:39,813 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:39,814 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:39,814 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:39,814 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:39,814 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:39,814 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:39,815 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:39,815 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:39,815 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:39,815 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:39,815 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:39,816 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:39,816 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:39,816 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:33:39,816 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:33:39,816 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:39,817 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_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd3dbeb1201d252c8f1e3c61a135802ff8f8ccfcc09353f09b9750e3ee951591 [2021-11-23 15:33:40,091 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:40,113 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:40,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:40,117 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:40,118 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:40,120 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/afterrec-1.c [2021-11-23 15:33:40,222 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/data/beb8a994f/be170827aac7483e95b427af76d620c0/FLAGf5df555c3 [2021-11-23 15:33:40,675 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:40,675 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/sv-benchmarks/c/recursive-simple/afterrec-1.c [2021-11-23 15:33:40,681 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/data/beb8a994f/be170827aac7483e95b427af76d620c0/FLAGf5df555c3 [2021-11-23 15:33:41,172 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/data/beb8a994f/be170827aac7483e95b427af76d620c0 [2021-11-23 15:33:41,175 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:41,176 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:41,178 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:41,178 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:41,182 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:41,182 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,190 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@152dda05 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41, skipping insertion in model container [2021-11-23 15:33:41,190 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,196 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:41,211 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:41,387 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_28ff765c-0d95-4fc5-9538-4a40e5808a43/sv-benchmarks/c/recursive-simple/afterrec-1.c[318,331] [2021-11-23 15:33:41,392 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:41,402 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:41,412 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_28ff765c-0d95-4fc5-9538-4a40e5808a43/sv-benchmarks/c/recursive-simple/afterrec-1.c[318,331] [2021-11-23 15:33:41,413 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:41,425 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:41,425 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41 WrapperNode [2021-11-23 15:33:41,425 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:41,427 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:41,427 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:41,427 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:41,435 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,447 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,473 INFO L137 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2021-11-23 15:33:41,473 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:41,474 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:41,475 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:41,475 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:41,483 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,484 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,485 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,485 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,489 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,491 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,492 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,500 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:41,503 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:41,503 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:41,504 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:41,505 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,513 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:41,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:41,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:41,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:41,600 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:33:41,601 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:33:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:41,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:41,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:33:41,660 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:41,662 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:41,764 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:41,775 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:33:41,775 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:33:41,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:41 BoogieIcfgContainer [2021-11-23 15:33:41,778 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:33:41,779 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:33:41,779 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:33:41,790 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:33:41,790 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:41" (1/1) ... [2021-11-23 15:33:41,800 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:33:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:33:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2021-11-23 15:33:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-23 15:33:41,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2021-11-23 15:33:41,862 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:33:41,863 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:33:41,905 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:33:41,908 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Set is immutable at de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.UnmodifiableTransFormula.removeSuperfluousVars(UnmodifiableTransFormula.java:212) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.transitions.TransFormulaBuilder.finishConstruction(TransFormulaBuilder.java:273) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.constructGlobalVarsAssignment(OldVarsAssignmentCache.java:155) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.OldVarsAssignmentCache.getGlobalVarsAssignment(OldVarsAssignmentCache.java:93) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:89) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.DefaultTransFormulas.getGlobalVarAssignmentFromValidPos(DefaultTransFormulas.java:1) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedFormulas.getGlobalVarAssignment(NestedFormulas.java:126) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckUtils.decoupleArrayValues(TraceCheckUtils.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:87) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:132) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.createTraceCheck(CodeCheckObserver.java:605) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:445) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:33:41,912 INFO L158 Benchmark]: Toolchain (without parser) took 735.01ms. Allocated memory is still 98.6MB. Free memory was 56.4MB in the beginning and 55.0MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:41,913 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 98.6MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:41,914 INFO L158 Benchmark]: CACSL2BoogieTranslator took 248.01ms. Allocated memory is still 98.6MB. Free memory was 56.2MB in the beginning and 72.9MB in the end (delta: -16.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:41,915 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.91ms. Allocated memory is still 98.6MB. Free memory was 72.9MB in the beginning and 71.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:33:41,916 INFO L158 Benchmark]: Boogie Preprocessor took 25.75ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 70.7MB in the end (delta: 627.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:41,917 INFO L158 Benchmark]: RCFGBuilder took 275.33ms. Allocated memory is still 98.6MB. Free memory was 70.7MB in the beginning and 61.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:41,917 INFO L158 Benchmark]: CodeCheck took 131.47ms. Allocated memory is still 98.6MB. Free memory was 61.9MB in the beginning and 55.0MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:33:41,921 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Set is immutable de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Set is immutable: de.uni_freiburg.informatik.ultimate.util.datastructures.ImmutableSet.retainAll(ImmutableSet.java:338) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 98.6MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 248.01ms. Allocated memory is still 98.6MB. Free memory was 56.2MB in the beginning and 72.9MB in the end (delta: -16.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.91ms. Allocated memory is still 98.6MB. Free memory was 72.9MB in the beginning and 71.6MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 25.75ms. Allocated memory is still 98.6MB. Free memory was 71.3MB in the beginning and 70.7MB in the end (delta: 627.8kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 275.33ms. Allocated memory is still 98.6MB. Free memory was 70.7MB in the beginning and 61.9MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 131.47ms. Allocated memory is still 98.6MB. Free memory was 61.9MB in the beginning and 55.0MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:33:41,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/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 Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/afterrec-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu --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 bd3dbeb1201d252c8f1e3c61a135802ff8f8ccfcc09353f09b9750e3ee951591 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:33:44,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:33:44,605 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:33:44,642 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:33:44,643 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:33:44,647 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:33:44,651 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:33:44,659 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:33:44,662 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:33:44,663 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:33:44,664 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:33:44,665 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:33:44,666 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:33:44,667 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:33:44,669 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:33:44,671 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:33:44,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:33:44,673 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:33:44,675 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:33:44,678 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:33:44,680 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:33:44,682 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:33:44,684 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:33:44,685 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:33:44,689 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:33:44,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:33:44,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:33:44,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:33:44,692 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:33:44,694 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:33:44,694 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:33:44,695 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:33:44,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:33:44,698 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:33:44,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:33:44,700 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:33:44,701 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:33:44,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:33:44,702 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:33:44,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:33:44,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:33:44,705 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:33:44,737 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:33:44,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:33:44,739 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:33:44,739 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:33:44,740 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:33:44,741 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:33:44,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:33:44,742 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:33:44,742 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:33:44,743 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:33:44,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:33:44,743 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:33:44,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:33:44,744 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:33:44,744 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:33:44,745 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:33:44,745 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:33:44,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:33:44,746 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:33:44,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:33:44,747 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:33:44,747 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:33:44,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:33:44,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:44,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:33:44,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:33:44,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:33:44,750 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:33:44,750 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:33:44,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:33:44,751 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:33:44,751 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:33:44,751 INFO L138 SettingsManager]: * Logic for external solver=AUFBV 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_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bd3dbeb1201d252c8f1e3c61a135802ff8f8ccfcc09353f09b9750e3ee951591 [2021-11-23 15:33:45,190 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:33:45,237 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:33:45,240 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:33:45,242 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:33:45,243 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:33:45,246 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/afterrec-1.c [2021-11-23 15:33:45,339 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/data/4689cbb2e/cba4cd7896674cbe8075e1d8051b721f/FLAG07556286c [2021-11-23 15:33:45,978 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:33:45,980 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/sv-benchmarks/c/recursive-simple/afterrec-1.c [2021-11-23 15:33:45,988 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/data/4689cbb2e/cba4cd7896674cbe8075e1d8051b721f/FLAG07556286c [2021-11-23 15:33:46,312 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/data/4689cbb2e/cba4cd7896674cbe8075e1d8051b721f [2021-11-23 15:33:46,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:33:46,317 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:33:46,320 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:46,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:33:46,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:33:46,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@250c1beb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46, skipping insertion in model container [2021-11-23 15:33:46,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:33:46,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:33:46,515 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_28ff765c-0d95-4fc5-9538-4a40e5808a43/sv-benchmarks/c/recursive-simple/afterrec-1.c[318,331] [2021-11-23 15:33:46,520 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:46,536 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:33:46,551 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_28ff765c-0d95-4fc5-9538-4a40e5808a43/sv-benchmarks/c/recursive-simple/afterrec-1.c[318,331] [2021-11-23 15:33:46,552 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:33:46,570 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:33:46,571 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46 WrapperNode [2021-11-23 15:33:46,571 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:33:46,573 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:46,573 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:33:46,573 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:33:46,583 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,592 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,641 INFO L137 Inliner]: procedures = 12, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 11 [2021-11-23 15:33:46,642 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:33:46,643 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:33:46,643 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:33:46,644 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:33:46,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,665 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,670 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,680 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:33:46,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:33:46,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:33:46,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:33:46,685 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:33:46" (1/1) ... [2021-11-23 15:33:46,695 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:33:46,709 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:33:46,720 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:33:46,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:33:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:33:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure f [2021-11-23 15:33:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2021-11-23 15:33:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:33:46,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:33:46,773 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:33:46,845 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:33:46,847 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:33:46,962 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:33:46,989 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:33:47,005 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:33:47,008 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:47 BoogieIcfgContainer [2021-11-23 15:33:47,009 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:33:47,010 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:33:47,010 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:33:47,020 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:33:47,033 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:33:47" (1/1) ... [2021-11-23 15:33:47,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:33:47,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:33:47,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 11 states and 12 transitions. [2021-11-23 15:33:47,188 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 12 transitions. [2021-11-23 15:33:47,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2021-11-23 15:33:47,194 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:33:47,195 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:33:47,243 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort BitVec not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.sort(WrapperScript.java:228) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.NonDeclaringTermTransferrer.transferSort(NonDeclaringTermTransferrer.java:111) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableSortSymbol.defineOrDeclare(DeclarableSortSymbol.java:79) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:171) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.transferHistoryFromRecord(HistoryRecordingScript.java:196) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.SmtFunctionsAndAxioms.transferAllSymbols(SmtFunctionsAndAxioms.java:145) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.cfg.CfgSmtToolkit.createFreshManagedScript(CfgSmtToolkit.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:439) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2021-11-23 15:33:47,247 INFO L158 Benchmark]: Toolchain (without parser) took 929.38ms. Allocated memory is still 58.7MB. Free memory was 38.4MB in the beginning and 26.5MB in the end (delta: 11.9MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:47,248 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:47,249 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.20ms. Allocated memory is still 58.7MB. Free memory was 38.1MB in the beginning and 28.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:33:47,250 INFO L158 Benchmark]: Boogie Procedure Inliner took 69.30ms. Allocated memory is still 58.7MB. Free memory was 28.7MB in the beginning and 42.2MB in the end (delta: -13.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-11-23 15:33:47,251 INFO L158 Benchmark]: Boogie Preprocessor took 37.72ms. Allocated memory is still 58.7MB. Free memory was 42.2MB in the beginning and 41.3MB in the end (delta: 949.4kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:33:47,252 INFO L158 Benchmark]: RCFGBuilder took 326.14ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 32.7MB in the end (delta: 8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:47,253 INFO L158 Benchmark]: CodeCheck took 235.73ms. Allocated memory is still 58.7MB. Free memory was 32.7MB in the beginning and 26.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2021-11-23 15:33:47,268 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort BitVec not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:419) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory is still 39.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.20ms. Allocated memory is still 58.7MB. Free memory was 38.1MB in the beginning and 28.7MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 69.30ms. Allocated memory is still 58.7MB. Free memory was 28.7MB in the beginning and 42.2MB in the end (delta: -13.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.72ms. Allocated memory is still 58.7MB. Free memory was 42.2MB in the beginning and 41.3MB in the end (delta: 949.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 326.14ms. Allocated memory is still 58.7MB. Free memory was 41.3MB in the beginning and 32.7MB in the end (delta: 8.6MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 235.73ms. Allocated memory is still 58.7MB. Free memory was 32.7MB in the beginning and 26.5MB in the end (delta: 6.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:33:47,323 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_28ff765c-0d95-4fc5-9538-4a40e5808a43/bin/ukojak-CwSLpZB5Qu/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 Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared