./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/mea8000.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/mea8000.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --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 40cf8604f2c9272b89091ede4e2cba7aec2486e0293aface06b9afb31cfcd680 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:28:47,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:28:47,093 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:28:47,103 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:28:47,107 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:28:47,150 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:28:47,154 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:28:47,154 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:28:47,155 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:28:47,156 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:28:47,156 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:28:47,156 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:28:47,157 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:28:47,157 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:28:47,157 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:28:47,157 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:28:47,159 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:28:47,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:28:47,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:28:47,159 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:28:47,160 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:28:47,160 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:28:47,160 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:28:47,160 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:28:47,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:28:47,160 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:28:47,161 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:28:47,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:47,161 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:28:47,161 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:28:47,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:28:47,161 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:28:47,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:28:47,161 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness 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 -> 40cf8604f2c9272b89091ede4e2cba7aec2486e0293aface06b9afb31cfcd680 [2024-11-25 02:28:47,519 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:28:47,533 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:28:47,537 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:28:47,539 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:28:47,539 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:28:47,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/mea8000.c [2024-11-25 02:28:50,804 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/data/6b8d98c7b/d7e947c1d5564a05a1ec202fca0e1c51/FLAG877d68595 [2024-11-25 02:28:51,192 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:28:51,193 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/sv-benchmarks/c/float-benchs/mea8000.c [2024-11-25 02:28:51,205 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/data/6b8d98c7b/d7e947c1d5564a05a1ec202fca0e1c51/FLAG877d68595 [2024-11-25 02:28:51,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/data/6b8d98c7b/d7e947c1d5564a05a1ec202fca0e1c51 [2024-11-25 02:28:51,402 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:28:51,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:28:51,408 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:51,408 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:28:51,414 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:28:51,415 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:51" (1/1) ... [2024-11-25 02:28:51,416 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5c758761 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:51, skipping insertion in model container [2024-11-25 02:28:51,419 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:28:51" (1/1) ... [2024-11-25 02:28:51,462 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:28:51,667 WARN L250 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_fd3743ce-3b37-456a-a552-5a96f94284d3/sv-benchmarks/c/float-benchs/mea8000.c[641,654] [2024-11-25 02:28:51,840 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:52,269 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:28:52,283 WARN L250 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_fd3743ce-3b37-456a-a552-5a96f94284d3/sv-benchmarks/c/float-benchs/mea8000.c[641,654] [2024-11-25 02:28:52,367 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:28:52,927 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:28:52,928 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52 WrapperNode [2024-11-25 02:28:52,928 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:28:52,930 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:52,930 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:28:52,930 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:28:52,939 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:53,099 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:53,750 INFO L138 Inliner]: procedures = 41, calls = 8453, calls flagged for inlining = 14, calls inlined = 14, statements flattened = 19470 [2024-11-25 02:28:53,751 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:28:53,751 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:28:53,752 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:28:53,752 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:28:53,774 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:53,775 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:53,963 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:53,964 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:54,405 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:54,469 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:54,507 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:54,557 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:54,596 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:54,710 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:28:54,711 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:28:54,711 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:28:54,711 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:28:54,712 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:28:52" (1/1) ... [2024-11-25 02:28:54,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:28:54,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:28:54,755 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:28:54,760 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_fd3743ce-3b37-456a-a552-5a96f94284d3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:28:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:28:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure write_signed16 [2024-11-25 02:28:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure write_signed16 [2024-11-25 02:28:54,792 INFO L130 BoogieDeclarations]: Found specification of procedure cos [2024-11-25 02:28:54,792 INFO L138 BoogieDeclarations]: Found implementation of procedure cos [2024-11-25 02:28:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure update_req [2024-11-25 02:28:54,793 INFO L138 BoogieDeclarations]: Found implementation of procedure update_req [2024-11-25 02:28:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-25 02:28:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-25 02:28:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-25 02:28:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-25 02:28:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-25 02:28:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-25 02:28:54,793 INFO L130 BoogieDeclarations]: Found specification of procedure exp [2024-11-25 02:28:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure exp [2024-11-25 02:28:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure interp [2024-11-25 02:28:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure interp [2024-11-25 02:28:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure start_frame [2024-11-25 02:28:54,794 INFO L138 BoogieDeclarations]: Found implementation of procedure start_frame [2024-11-25 02:28:54,794 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-25 02:28:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-25 02:28:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:28:54,795 INFO L130 BoogieDeclarations]: Found specification of procedure shift_frame [2024-11-25 02:28:54,795 INFO L138 BoogieDeclarations]: Found implementation of procedure shift_frame [2024-11-25 02:28:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure decode_frame [2024-11-25 02:28:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure decode_frame [2024-11-25 02:28:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:28:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:28:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure stop_frame [2024-11-25 02:28:54,796 INFO L138 BoogieDeclarations]: Found implementation of procedure stop_frame [2024-11-25 02:28:54,796 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 02:28:54,797 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 02:28:55,011 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:28:55,014 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation