./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:50:43,703 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:43,705 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:43,744 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:43,745 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:43,746 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:43,754 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:43,762 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:43,768 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:43,776 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:43,777 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:43,779 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:43,780 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:43,783 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:43,787 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:43,790 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:43,793 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:43,794 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:43,796 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:43,806 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:43,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:43,811 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:43,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:43,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:43,822 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:43,823 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:43,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:43,826 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:43,827 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:43,828 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:43,828 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:43,830 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:43,832 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:43,833 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:43,835 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:43,835 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:43,836 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:43,836 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:43,836 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:43,837 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:43,838 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:43,839 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Default.epf [2022-10-17 16:50:43,883 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:43,884 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:43,885 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:43,885 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:43,886 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:43,886 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:43,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:43,887 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:43,887 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 16:50:43,887 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:43,889 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:43,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:43,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:43,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:43,890 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:43,890 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:43,890 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:43,890 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:43,891 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:43,891 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:43,891 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:43,891 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:43,892 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:43,892 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:43,892 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:43,892 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2022-10-17 16:50:43,893 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-10-17 16:50:43,893 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:43,893 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_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 [2022-10-17 16:50:44,164 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:44,190 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:44,192 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:44,194 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:44,195 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:44,196 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2022-10-17 16:50:44,269 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/data/660077073/44bc31fd66fd4eb5ab3fa264d89714d0/FLAGdddf4a8e6 [2022-10-17 16:50:44,801 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:44,802 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2022-10-17 16:50:44,809 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/data/660077073/44bc31fd66fd4eb5ab3fa264d89714d0/FLAGdddf4a8e6 [2022-10-17 16:50:45,137 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/data/660077073/44bc31fd66fd4eb5ab3fa264d89714d0 [2022-10-17 16:50:45,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:45,141 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:45,142 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:45,143 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:45,146 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:45,147 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,148 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33f49161 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45, skipping insertion in model container [2022-10-17 16:50:45,148 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,167 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:45,196 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:45,398 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_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2022-10-17 16:50:45,404 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:45,412 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:45,436 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_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2022-10-17 16:50:45,438 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:45,453 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:45,454 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45 WrapperNode [2022-10-17 16:50:45,454 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:45,455 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:45,456 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:45,456 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:45,464 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,473 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,495 INFO L138 Inliner]: procedures = 18, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 98 [2022-10-17 16:50:45,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:45,497 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:45,497 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:45,497 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:45,507 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,507 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,509 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,510 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,518 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,520 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,522 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,523 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:45,527 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:45,527 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:45,527 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:45,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,544 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:45,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:45,577 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:45,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:45,630 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-10-17 16:50:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:50:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2022-10-17 16:50:45,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-10-17 16:50:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2022-10-17 16:50:45,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:45,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-10-17 16:50:45,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:50:45,739 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:45,741 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:50:45,913 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:50:45,927 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:50:45,928 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:50:45,931 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:45 BoogieIcfgContainer [2022-10-17 16:50:45,931 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:50:45,932 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:50:45,932 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:50:45,943 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:50:45,943 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:50:45" (1/1) ... [2022-10-17 16:50:45,953 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:50:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:50:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-10-17 16:50:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-10-17 16:50:46,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:50:46,057 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:50:46,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:50:46,119 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: Sort Real not declared at de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) 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.NonDeclaringTermTransferrer.transferSorts(NonDeclaringTermTransferrer.java:117) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.DeclarableFunctionSymbol.defineOrDeclare(DeclarableFunctionSymbol.java:158) 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:153) 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) [2022-10-17 16:50:46,132 INFO L158 Benchmark]: Toolchain (without parser) took 988.23ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 45.3MB in the beginning and 59.3MB in the end (delta: -14.1MB). Peak memory consumption was 4.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:46,133 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:50:46,136 INFO L158 Benchmark]: CACSL2BoogieTranslator took 312.08ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 45.1MB in the beginning and 80.7MB in the end (delta: -35.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:50:46,137 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.79ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 79.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:46,139 INFO L158 Benchmark]: Boogie Preprocessor took 29.36ms. Allocated memory is still 107.0MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:50:46,140 INFO L158 Benchmark]: RCFGBuilder took 404.17ms. Allocated memory is still 107.0MB. Free memory was 77.8MB in the beginning and 65.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:50:46,141 INFO L158 Benchmark]: CodeCheck took 196.34ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 59.3MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-10-17 16:50:46,152 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: SMTLIBException: Sort Real not declared de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: SMTLIBException: Sort Real not declared: de.uni_freiburg.informatik.ultimate.logic.NoopScript.sort(NoopScript.java:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 86.0MB. Free memory is still 61.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 312.08ms. Allocated memory was 86.0MB in the beginning and 107.0MB in the end (delta: 21.0MB). Free memory was 45.1MB in the beginning and 80.7MB in the end (delta: -35.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.79ms. Allocated memory is still 107.0MB. Free memory was 80.7MB in the beginning and 79.0MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 29.36ms. Allocated memory is still 107.0MB. Free memory was 79.0MB in the beginning and 77.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 404.17ms. Allocated memory is still 107.0MB. Free memory was 77.8MB in the beginning and 65.2MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 196.34ms. Allocated memory is still 107.0MB. Free memory was 65.2MB in the beginning and 59.3MB in the end (delta: 5.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:50:46,220 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally 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_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-dbf71c6-m [2022-10-17 16:50:48,826 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 16:50:48,829 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 16:50:48,867 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 16:50:48,868 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 16:50:48,869 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 16:50:48,871 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 16:50:48,874 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 16:50:48,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 16:50:48,878 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 16:50:48,879 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 16:50:48,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 16:50:48,882 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 16:50:48,883 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 16:50:48,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 16:50:48,887 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 16:50:48,888 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 16:50:48,889 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 16:50:48,892 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 16:50:48,895 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 16:50:48,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 16:50:48,899 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 16:50:48,900 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 16:50:48,902 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 16:50:48,907 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 16:50:48,907 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 16:50:48,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 16:50:48,909 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 16:50:48,910 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 16:50:48,911 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 16:50:48,912 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 16:50:48,913 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 16:50:48,914 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 16:50:48,915 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 16:50:48,917 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 16:50:48,917 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 16:50:48,918 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 16:50:48,918 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 16:50:48,919 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 16:50:48,920 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 16:50:48,921 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 16:50:48,922 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2022-10-17 16:50:48,948 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 16:50:48,949 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 16:50:48,950 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-10-17 16:50:48,950 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2022-10-17 16:50:48,951 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 16:50:48,952 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 16:50:48,952 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 16:50:48,953 INFO L138 SettingsManager]: * sizeof long=4 [2022-10-17 16:50:48,953 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-10-17 16:50:48,954 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 16:50:48,954 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-10-17 16:50:48,954 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-10-17 16:50:48,955 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-10-17 16:50:48,955 INFO L138 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2022-10-17 16:50:48,956 INFO L138 SettingsManager]: * Use bitvectors instead of ints=true [2022-10-17 16:50:48,956 INFO L138 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2022-10-17 16:50:48,956 INFO L138 SettingsManager]: * sizeof long double=12 [2022-10-17 16:50:48,957 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 16:50:48,957 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 16:50:48,958 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-10-17 16:50:48,958 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2022-10-17 16:50:48,959 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2022-10-17 16:50:48,959 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 16:50:48,960 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:48,960 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 16:50:48,961 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-10-17 16:50:48,961 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-10-17 16:50:48,961 INFO L138 SettingsManager]: * Trace refinement strategy=WALRUS [2022-10-17 16:50:48,962 INFO L138 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2022-10-17 16:50:48,962 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-10-17 16:50:48,963 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2022-10-17 16:50:48,963 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2022-10-17 16:50:48,964 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_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f807884dfe796c964ede5317ceef5bdc8dc93cb7b5e0611cc0dc63f2d13b17a0 [2022-10-17 16:50:49,371 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 16:50:49,399 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 16:50:49,402 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 16:50:49,404 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 16:50:49,405 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 16:50:49,409 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/../../sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2022-10-17 16:50:49,493 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/data/c1ab3a660/c2ed712c018a4a4ebf627a2534f97e42/FLAG901795f1e [2022-10-17 16:50:50,031 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 16:50:50,032 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c [2022-10-17 16:50:50,042 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/data/c1ab3a660/c2ed712c018a4a4ebf627a2534f97e42/FLAG901795f1e [2022-10-17 16:50:50,367 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/data/c1ab3a660/c2ed712c018a4a4ebf627a2534f97e42 [2022-10-17 16:50:50,370 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 16:50:50,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 16:50:50,377 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:50,377 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 16:50:50,381 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 16:50:50,382 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,383 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78eaa5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50, skipping insertion in model container [2022-10-17 16:50:50,384 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,393 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 16:50:50,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 16:50:50,693 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_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2022-10-17 16:50:50,702 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:50,718 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 16:50:50,768 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_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/sv-benchmarks/c/float-benchs/inv_Newton.c.p+cfa-reducer.c[2006,2019] [2022-10-17 16:50:50,771 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 16:50:50,798 INFO L208 MainTranslator]: Completed translation [2022-10-17 16:50:50,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50 WrapperNode [2022-10-17 16:50:50,799 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 16:50:50,800 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:50,801 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 16:50:50,801 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 16:50:50,808 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,832 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,867 INFO L138 Inliner]: procedures = 21, calls = 20, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 99 [2022-10-17 16:50:50,867 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 16:50:50,868 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 16:50:50,868 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 16:50:50,868 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 16:50:50,878 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,878 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,889 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,889 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,897 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,900 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,902 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,904 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,908 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 16:50:50,909 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 16:50:50,910 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 16:50:50,910 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 16:50:50,911 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 04:50:50" (1/1) ... [2022-10-17 16:50:50,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2022-10-17 16:50:50,933 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/z3 [2022-10-17 16:50:50,946 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2022-10-17 16:50:50,949 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2022-10-17 16:50:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-10-17 16:50:50,999 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2022-10-17 16:50:51,000 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2022-10-17 16:50:51,003 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2022-10-17 16:50:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-10-17 16:50:51,004 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2022-10-17 16:50:51,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 16:50:51,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 16:50:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-10-17 16:50:51,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2022-10-17 16:50:51,133 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 16:50:51,135 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 16:51:01,680 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 16:51:01,716 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 16:51:01,716 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-10-17 16:51:01,719 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:01 BoogieIcfgContainer [2022-10-17 16:51:01,719 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 16:51:01,720 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2022-10-17 16:51:01,720 INFO L271 PluginConnector]: Initializing CodeCheck... [2022-10-17 16:51:01,730 INFO L275 PluginConnector]: CodeCheck initialized [2022-10-17 16:51:01,730 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 04:51:01" (1/1) ... [2022-10-17 16:51:01,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 16:51:01,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2022-10-17 16:51:01,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2022-10-17 16:51:01,840 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2022-10-17 16:51:01,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2022-10-17 16:51:01,842 INFO L422 CodeCheckObserver]: Error Path is FOUND. [2022-10-17 16:51:01,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 16:51:01,892 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:385) 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:153) 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) [2022-10-17 16:51:01,900 INFO L158 Benchmark]: Toolchain (without parser) took 11525.32ms. Allocated memory is still 62.9MB. Free memory was 41.8MB in the beginning and 36.5MB in the end (delta: 5.3MB). Peak memory consumption was 6.9MB. Max. memory is 16.1GB. [2022-10-17 16:51:01,902 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. [2022-10-17 16:51:01,903 INFO L158 Benchmark]: CACSL2BoogieTranslator took 422.23ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 43.2MB in the end (delta: -1.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2022-10-17 16:51:01,905 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.02ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 41.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:01,907 INFO L158 Benchmark]: Boogie Preprocessor took 40.38ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 40.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-10-17 16:51:01,908 INFO L158 Benchmark]: RCFGBuilder took 10809.67ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 42.6MB in the end (delta: -2.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2022-10-17 16:51:01,909 INFO L158 Benchmark]: CodeCheck took 176.99ms. Allocated memory is still 62.9MB. Free memory was 42.4MB in the beginning and 36.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2022-10-17 16:51:01,921 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:385) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.36ms. Allocated memory is still 62.9MB. Free memory was 43.1MB in the beginning and 43.0MB in the end (delta: 48.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 422.23ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 43.2MB in the end (delta: -1.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.02ms. Allocated memory is still 62.9MB. Free memory was 43.2MB in the beginning and 41.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 40.38ms. Allocated memory is still 62.9MB. Free memory was 41.6MB in the beginning and 40.0MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10809.67ms. Allocated memory is still 62.9MB. Free memory was 40.0MB in the beginning and 42.6MB in the end (delta: -2.7MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. * CodeCheck took 176.99ms. Allocated memory is still 62.9MB. Free memory was 42.4MB in the beginning and 36.5MB in the end (delta: 5.9MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-10-17 16:51:02,049 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d89a23a5-46bf-452d-bd75-c5d9f8c13fdc/bin/ukojak-92XMlrwhuB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: SMTLIBException: Sort BitVec not declared