./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.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_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/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_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/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_8021b182-cb33-4efc-beac-8a092ddad7dd/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 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:42,101 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:42,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:42,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:42,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:42,175 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:42,177 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:42,182 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:42,184 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:42,192 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:42,193 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:42,195 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:42,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:42,197 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:42,200 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:42,205 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:42,206 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:42,207 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:42,210 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:42,216 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:42,219 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:42,220 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:42,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:42,224 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:42,229 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:42,230 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:42,230 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:42,232 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:42,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:42,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:42,235 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:42,235 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:42,237 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:42,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:42,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:42,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:42,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:42,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:42,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:42,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:42,243 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:42,244 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Default.epf [2021-11-23 15:58:42,286 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:42,287 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:42,288 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:42,288 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:42,289 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:42,289 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:42,289 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:42,290 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:42,290 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-23 15:58:42,290 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:42,291 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:42,297 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:42,297 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:42,298 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:42,298 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:42,298 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:42,298 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:42,298 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:42,298 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:42,299 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:42,299 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:42,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:42,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:42,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:42,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:42,300 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2021-11-23 15:58:42,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-23 15:58:42,300 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:42,300 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_8021b182-cb33-4efc-beac-8a092ddad7dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 [2021-11-23 15:58:42,587 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:42,618 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:42,620 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:42,621 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:42,622 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:42,624 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2021-11-23 15:58:42,699 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/data/8245bfce2/20399e12151e472c9ca1733958c971ca/FLAG35351cf9c [2021-11-23 15:58:43,124 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:43,126 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2021-11-23 15:58:43,136 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/data/8245bfce2/20399e12151e472c9ca1733958c971ca/FLAG35351cf9c [2021-11-23 15:58:43,508 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/data/8245bfce2/20399e12151e472c9ca1733958c971ca [2021-11-23 15:58:43,510 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:43,512 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:43,514 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:43,514 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:43,517 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:43,518 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,519 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3658873b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43, skipping insertion in model container [2021-11-23 15:58:43,520 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,527 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:43,539 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:43,684 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_8021b182-cb33-4efc-beac-8a092ddad7dd/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2021-11-23 15:58:43,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:43,701 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:43,735 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_8021b182-cb33-4efc-beac-8a092ddad7dd/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2021-11-23 15:58:43,736 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:43,748 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:43,748 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43 WrapperNode [2021-11-23 15:58:43,748 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:43,750 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:43,750 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:43,750 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:43,762 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,772 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,792 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 19 [2021-11-23 15:58:43,792 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:43,793 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:43,794 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:43,794 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:43,807 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,812 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,812 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,814 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,816 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,816 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,818 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:43,819 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:43,819 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:43,819 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:43,820 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:43" (1/1) ... [2021-11-23 15:58:43,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:43,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:43,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:43,869 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:43,893 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:43,894 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:43,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-23 15:58:43,896 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-23 15:58:43,897 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-23 15:58:43,950 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:43,952 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:44,028 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:44,040 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:58:44,040 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:58:44,043 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:44 BoogieIcfgContainer [2021-11-23 15:58:44,043 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:58:44,044 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:58:44,044 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:58:44,054 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:58:44,054 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:44" (1/1) ... [2021-11-23 15:58:44,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:58:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:44,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 15:58:44,124 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 15:58:44,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:58:44,129 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:44,130 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:44,181 ERROR L594 CodeCheckObserver]: First Tracecheck threw exception Set is immutable [2021-11-23 15:58:44,185 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 15:58:44,190 INFO L158 Benchmark]: Toolchain (without parser) took 677.50ms. Allocated memory is still 111.1MB. Free memory was 72.3MB in the beginning and 68.4MB in the end (delta: 3.9MB). Peak memory consumption was 2.0MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,191 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:44,193 INFO L158 Benchmark]: CACSL2BoogieTranslator took 235.23ms. Allocated memory is still 111.1MB. Free memory was 72.2MB in the beginning and 86.4MB in the end (delta: -14.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,194 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.92ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 85.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,195 INFO L158 Benchmark]: Boogie Preprocessor took 24.54ms. Allocated memory is still 111.1MB. Free memory was 85.2MB in the beginning and 84.2MB in the end (delta: 926.9kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:44,196 INFO L158 Benchmark]: RCFGBuilder took 224.42ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 75.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,198 INFO L158 Benchmark]: CodeCheck took 144.81ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 68.4MB in the end (delta: 7.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:44,203 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 0.27ms. Allocated memory is still 111.1MB. Free memory is still 88.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 235.23ms. Allocated memory is still 111.1MB. Free memory was 72.2MB in the beginning and 86.4MB in the end (delta: -14.2MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.92ms. Allocated memory is still 111.1MB. Free memory was 86.4MB in the beginning and 85.2MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.54ms. Allocated memory is still 111.1MB. Free memory was 85.2MB in the beginning and 84.2MB in the end (delta: 926.9kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 224.42ms. Allocated memory is still 111.1MB. Free memory was 84.2MB in the beginning and 75.4MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 144.81ms. Allocated memory is still 111.1MB. Free memory was 75.4MB in the beginning and 68.4MB in the end (delta: 7.0MB). 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 15:58:44,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/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_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/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_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/config/KojakReach.xml -i ../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/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_8021b182-cb33-4efc-beac-8a092ddad7dd/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 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 --- Real Ultimate output --- This is Ultimate 0.2.2-dev-6a47aea [2021-11-23 15:58:46,672 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-23 15:58:46,674 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-23 15:58:46,708 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-23 15:58:46,708 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-23 15:58:46,710 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-23 15:58:46,711 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-23 15:58:46,714 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-23 15:58:46,716 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-23 15:58:46,717 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-23 15:58:46,719 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-23 15:58:46,720 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-23 15:58:46,721 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-23 15:58:46,722 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-23 15:58:46,724 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-23 15:58:46,726 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-23 15:58:46,727 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-23 15:58:46,728 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-23 15:58:46,736 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-23 15:58:46,739 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-23 15:58:46,741 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-23 15:58:46,746 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-23 15:58:46,747 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-23 15:58:46,748 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-23 15:58:46,752 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-23 15:58:46,752 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-23 15:58:46,753 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-23 15:58:46,754 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-23 15:58:46,754 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-23 15:58:46,764 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-23 15:58:46,764 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-23 15:58:46,765 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-23 15:58:46,767 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-23 15:58:46,768 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-23 15:58:46,770 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-23 15:58:46,770 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-23 15:58:46,772 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-23 15:58:46,772 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-23 15:58:46,772 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-23 15:58:46,774 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-23 15:58:46,775 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-23 15:58:46,776 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2021-11-23 15:58:46,824 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-23 15:58:46,824 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-23 15:58:46,826 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-23 15:58:46,826 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2021-11-23 15:58:46,827 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-23 15:58:46,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-23 15:58:46,828 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-23 15:58:46,828 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-23 15:58:46,828 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-23 15:58:46,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-23 15:58:46,830 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-23 15:58:46,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-23 15:58:46,831 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-23 15:58:46,831 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2021-11-23 15:58:46,831 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2021-11-23 15:58:46,831 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2021-11-23 15:58:46,831 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-23 15:58:46,832 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-23 15:58:46,832 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-23 15:58:46,832 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-23 15:58:46,832 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2021-11-23 15:58:46,834 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2021-11-23 15:58:46,834 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-23 15:58:46,838 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:46,839 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-23 15:58:46,839 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-23 15:58:46,839 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-23 15:58:46,839 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2021-11-23 15:58:46,839 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2021-11-23 15:58:46,840 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-23 15:58:46,840 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2021-11-23 15:58:46,840 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2021-11-23 15:58:46,840 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_8021b182-cb33-4efc-beac-8a092ddad7dd/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 715908359373978289cc76ce2f00faf49f4d4a3c6ddae64771646fc969bea981 [2021-11-23 15:58:47,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-23 15:58:47,242 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-23 15:58:47,245 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-23 15:58:47,246 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-23 15:58:47,247 INFO L275 PluginConnector]: CDTParser initialized [2021-11-23 15:58:47,250 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/../../sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2021-11-23 15:58:47,311 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/data/5aa6856ad/1bb4ac0becac4d3ca6fdbe633ac4e92a/FLAGf411e9574 [2021-11-23 15:58:47,774 INFO L306 CDTParser]: Found 1 translation units. [2021-11-23 15:58:47,775 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c [2021-11-23 15:58:47,781 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/data/5aa6856ad/1bb4ac0becac4d3ca6fdbe633ac4e92a/FLAGf411e9574 [2021-11-23 15:58:48,161 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/data/5aa6856ad/1bb4ac0becac4d3ca6fdbe633ac4e92a [2021-11-23 15:58:48,165 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-23 15:58:48,166 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-23 15:58:48,168 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:48,168 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-23 15:58:48,171 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-23 15:58:48,172 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@431123dc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48, skipping insertion in model container [2021-11-23 15:58:48,174 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-23 15:58:48,193 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-23 15:58:48,329 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_8021b182-cb33-4efc-beac-8a092ddad7dd/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2021-11-23 15:58:48,332 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:48,344 INFO L203 MainTranslator]: Completed pre-run [2021-11-23 15:58:48,378 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_8021b182-cb33-4efc-beac-8a092ddad7dd/sv-benchmarks/c/recursive-simple/id_i15_o15-1.c[454,467] [2021-11-23 15:58:48,379 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-11-23 15:58:48,427 INFO L208 MainTranslator]: Completed translation [2021-11-23 15:58:48,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48 WrapperNode [2021-11-23 15:58:48,427 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-23 15:58:48,429 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:48,429 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-23 15:58:48,429 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-23 15:58:48,437 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,461 INFO L137 Inliner]: procedures = 13, calls = 9, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2021-11-23 15:58:48,461 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-23 15:58:48,462 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-23 15:58:48,462 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-23 15:58:48,462 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-23 15:58:48,470 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,477 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,480 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,482 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-23 15:58:48,484 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-23 15:58:48,484 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-23 15:58:48,484 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-23 15:58:48,486 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,493 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2021-11-23 15:58:48,505 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/z3 [2021-11-23 15:58:48,525 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2021-11-23 15:58:48,550 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/bin/ukojak-CwSLpZB5Qu/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2021-11-23 15:58:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-23 15:58:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-23 15:58:48,580 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-23 15:58:48,580 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2021-11-23 15:58:48,581 INFO L130 BoogieDeclarations]: Found specification of procedure id [2021-11-23 15:58:48,581 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2021-11-23 15:58:48,668 INFO L236 CfgBuilder]: Building ICFG [2021-11-23 15:58:48,669 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-23 15:58:48,796 INFO L277 CfgBuilder]: Performing block encoding [2021-11-23 15:58:48,815 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-23 15:58:48,815 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-23 15:58:48,818 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:48 BoogieIcfgContainer [2021-11-23 15:58:48,818 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-23 15:58:48,820 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2021-11-23 15:58:48,820 INFO L271 PluginConnector]: Initializing CodeCheck... [2021-11-23 15:58:48,830 INFO L275 PluginConnector]: CodeCheck initialized [2021-11-23 15:58:48,830 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 03:58:48" (1/1) ... [2021-11-23 15:58:48,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-23 15:58:48,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2021-11-23 15:58:48,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 14 states and 16 transitions. [2021-11-23 15:58:48,935 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 16 transitions. [2021-11-23 15:58:48,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2021-11-23 15:58:48,940 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2021-11-23 15:58:48,941 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-23 15:58:48,992 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 15:58:48,999 INFO L158 Benchmark]: Toolchain (without parser) took 830.26ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.6MB in the beginning and 45.9MB in the end (delta: -17.3MB). Peak memory consumption was 11.3MB. Max. memory is 16.1GB. [2021-11-23 15:58:49,000 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 52.4MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:49,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.87ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.4MB in the beginning and 47.7MB in the end (delta: -19.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2021-11-23 15:58:49,004 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.72ms. Allocated memory is still 65.0MB. Free memory was 47.5MB in the beginning and 46.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:49,006 INFO L158 Benchmark]: Boogie Preprocessor took 20.16ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 45.3MB in the end (delta: 874.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-23 15:58:49,007 INFO L158 Benchmark]: RCFGBuilder took 335.01ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 36.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-23 15:58:49,008 INFO L158 Benchmark]: CodeCheck took 176.22ms. Allocated memory is still 65.0MB. Free memory was 36.8MB in the beginning and 45.9MB in the end (delta: -9.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2021-11-23 15:58:49,018 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 0.23ms. Allocated memory is still 52.4MB. Free memory is still 32.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.87ms. Allocated memory was 52.4MB in the beginning and 65.0MB in the end (delta: 12.6MB). Free memory was 28.4MB in the beginning and 47.7MB in the end (delta: -19.3MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.72ms. Allocated memory is still 65.0MB. Free memory was 47.5MB in the beginning and 46.2MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 20.16ms. Allocated memory is still 65.0MB. Free memory was 46.2MB in the beginning and 45.3MB in the end (delta: 874.5kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 335.01ms. Allocated memory is still 65.0MB. Free memory was 45.3MB in the beginning and 36.8MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 176.22ms. Allocated memory is still 65.0MB. Free memory was 36.8MB in the beginning and 45.9MB in the end (delta: -9.1MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2021-11-23 15:58:49,079 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8021b182-cb33-4efc-beac-8a092ddad7dd/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