./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_7.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL --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 1ed3942f8a28a8a24515254c1482e383d8fc6f528b158a90f262f1167d5b8c4f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:22,587 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:22,692 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:07:22,700 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:07:22,701 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:07:22,740 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:22,741 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:22,742 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:22,743 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:22,748 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:22,748 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:22,749 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:22,749 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:22,751 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:07:22,752 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:22,752 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:22,752 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:22,753 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:22,753 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:22,754 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:22,754 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:22,755 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:22,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:22,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:22,756 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:22,756 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:22,757 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:22,757 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:22,757 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:22,758 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:22,759 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:07:22,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:07:22,760 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:22,760 INFO L153 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_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ed3942f8a28a8a24515254c1482e383d8fc6f528b158a90f262f1167d5b8c4f [2023-11-19 03:07:23,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:23,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:23,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:23,123 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:23,123 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:23,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_2_7.i [2023-11-19 03:07:26,241 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:26,487 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:26,487 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/sv-benchmarks/c/floats-cdfpl/newton_2_7.i [2023-11-19 03:07:26,496 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/data/439011564/7c0e080d865b41ee872336f9bd41720a/FLAG3cda487b8 [2023-11-19 03:07:26,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/data/439011564/7c0e080d865b41ee872336f9bd41720a [2023-11-19 03:07:26,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:26,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:26,517 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:26,517 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:26,522 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:26,523 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,524 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3833d0ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26, skipping insertion in model container [2023-11-19 03:07:26,525 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,548 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:26,752 WARN L240 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_6685b9b9-3c71-4f70-9d04-da221801a273/sv-benchmarks/c/floats-cdfpl/newton_2_7.i[1743,1756] [2023-11-19 03:07:26,756 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:26,766 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:26,783 WARN L240 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_6685b9b9-3c71-4f70-9d04-da221801a273/sv-benchmarks/c/floats-cdfpl/newton_2_7.i[1743,1756] [2023-11-19 03:07:26,783 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:26,796 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:26,796 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26 WrapperNode [2023-11-19 03:07:26,797 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:26,798 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:26,798 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:26,798 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:26,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,814 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,832 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2023-11-19 03:07:26,833 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:26,834 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:26,834 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:26,834 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:26,842 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,842 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,844 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,844 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,850 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,853 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,854 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,856 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:26,863 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:26,864 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:26,865 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:26,866 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:26" (1/1) ... [2023-11-19 03:07:26,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:26,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:26,897 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:26,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:26,928 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 03:07:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 03:07:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 03:07:26,929 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 03:07:26,929 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:07:26,930 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:26,930 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:26,996 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:26,998 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:07:27,094 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:07:27,131 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:07:27,131 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:07:27,136 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:27 BoogieIcfgContainer [2023-11-19 03:07:27,136 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:07:27,137 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:07:27,137 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:07:27,146 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:07:27,146 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:27" (1/1) ... [2023-11-19 03:07:27,154 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:07:27,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:07:27,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-19 03:07:27,206 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-19 03:07:27,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:07:27,211 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:07:27,212 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:07:27,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:27,346 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:27,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:27,488 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:07:27,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:07:27,535 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:07:27,564 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-19 03:07:27,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated [2023-11-19 03:07:27,565 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-19 03:07:27,567 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-19 03:07:27,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-19 03:07:27,568 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-19 03:07:27,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:07:27 ImpRootNode [2023-11-19 03:07:27,576 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:07:27,578 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:07:27,579 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:07:27,579 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:07:27,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:07:27" (3/4) ... [2023-11-19 03:07:27,583 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:07:27,584 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:07:27,586 INFO L158 Benchmark]: Toolchain (without parser) took 1069.70ms. Allocated memory is still 125.8MB. Free memory was 96.3MB in the beginning and 57.8MB in the end (delta: 38.5MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-11-19 03:07:27,587 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 98.6MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:27,587 INFO L158 Benchmark]: CACSL2BoogieTranslator took 280.11ms. Allocated memory is still 125.8MB. Free memory was 96.3MB in the beginning and 85.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:07:27,589 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.19ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 83.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:07:27,590 INFO L158 Benchmark]: Boogie Preprocessor took 22.41ms. Allocated memory is still 125.8MB. Free memory was 83.9MB in the beginning and 83.0MB in the end (delta: 915.6kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:27,591 INFO L158 Benchmark]: RCFGBuilder took 273.39ms. Allocated memory is still 125.8MB. Free memory was 83.0MB in the beginning and 71.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:07:27,592 INFO L158 Benchmark]: CodeCheck took 439.15ms. Allocated memory is still 125.8MB. Free memory was 71.9MB in the beginning and 58.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:07:27,593 INFO L158 Benchmark]: Witness Printer took 6.09ms. Allocated memory is still 125.8MB. Free memory was 58.2MB in the beginning and 57.8MB in the end (delta: 343.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:07:27,603 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 51]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 44. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [L42] CALL, EXPR f(IN) VAL [\old(x)=2] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) VAL [IN=2] [L42] CALL, EXPR fp(IN) VAL [\old(x)=2] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) VAL [IN=2] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=5] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L44] RET, EXPR f(x) VAL [IN=2, x=5] [L44] CALL, EXPR fp(x) VAL [\old(x)=5] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L44] RET, EXPR fp(x) VAL [IN=2, x=5] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=2] [L51] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 98.6MB. Free memory is still 54.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 280.11ms. Allocated memory is still 125.8MB. Free memory was 96.3MB in the beginning and 85.4MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.19ms. Allocated memory is still 125.8MB. Free memory was 85.4MB in the beginning and 83.9MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 22.41ms. Allocated memory is still 125.8MB. Free memory was 83.9MB in the beginning and 83.0MB in the end (delta: 915.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 273.39ms. Allocated memory is still 125.8MB. Free memory was 83.0MB in the beginning and 71.9MB in the end (delta: 11.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 439.15ms. Allocated memory is still 125.8MB. Free memory was 71.9MB in the beginning and 58.2MB in the end (delta: 13.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 6.09ms. Allocated memory is still 125.8MB. Free memory was 58.2MB in the beginning and 57.8MB in the end (delta: 343.1kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:07:27,647 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/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/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL --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 1ed3942f8a28a8a24515254c1482e383d8fc6f528b158a90f262f1167d5b8c4f --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:07:30,293 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:07:30,396 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:07:30,440 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:07:30,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:07:30,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:07:30,443 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:07:30,444 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:07:30,445 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:07:30,445 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:07:30,446 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:07:30,446 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:07:30,447 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:07:30,448 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:07:30,448 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:07:30,449 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:07:30,449 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:07:30,450 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:07:30,451 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:07:30,451 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:07:30,452 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:07:30,453 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:07:30,453 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:07:30,454 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:07:30,455 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:07:30,455 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:30,456 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:30,456 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:07:30,457 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:30,457 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:07:30,458 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:07:30,458 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:07:30,458 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:07:30,459 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:07:30,459 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:07:30,459 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:07:30,459 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:07:30,460 INFO L153 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_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ed3942f8a28a8a24515254c1482e383d8fc6f528b158a90f262f1167d5b8c4f [2023-11-19 03:07:30,811 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:07:30,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:07:30,839 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:07:30,840 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:07:30,841 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:07:30,843 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_2_7.i [2023-11-19 03:07:33,910 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:07:34,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:07:34,209 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/sv-benchmarks/c/floats-cdfpl/newton_2_7.i [2023-11-19 03:07:34,219 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/data/fe2140686/6e33b82c619148ca8edbab17327aa15f/FLAGac98fa4ab [2023-11-19 03:07:34,244 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/data/fe2140686/6e33b82c619148ca8edbab17327aa15f [2023-11-19 03:07:34,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:07:34,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:07:34,258 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:34,258 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:07:34,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:07:34,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2d01e3f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34, skipping insertion in model container [2023-11-19 03:07:34,265 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,292 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:07:34,471 WARN L240 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_6685b9b9-3c71-4f70-9d04-da221801a273/sv-benchmarks/c/floats-cdfpl/newton_2_7.i[1743,1756] [2023-11-19 03:07:34,475 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:34,489 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:07:34,509 WARN L240 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_6685b9b9-3c71-4f70-9d04-da221801a273/sv-benchmarks/c/floats-cdfpl/newton_2_7.i[1743,1756] [2023-11-19 03:07:34,510 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:07:34,541 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:07:34,541 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34 WrapperNode [2023-11-19 03:07:34,541 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:07:34,543 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:34,543 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:07:34,543 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:07:34,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,575 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,595 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-11-19 03:07:34,595 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:07:34,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:07:34,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:07:34,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:07:34,606 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,619 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,619 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,640 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,642 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,643 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,647 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:07:34,648 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:07:34,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:07:34,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:07:34,656 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:07:34" (1/1) ... [2023-11-19 03:07:34,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:07:34,674 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:07:34,689 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:07:34,716 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:07:34,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:07:34,737 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 03:07:34,738 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 03:07:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:07:34,738 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 03:07:34,739 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 03:07:34,739 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:07:34,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:07:34,852 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:07:34,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:08:00,145 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:08:00,208 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:08:00,212 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:08:00,217 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:00 BoogieIcfgContainer [2023-11-19 03:08:00,220 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:08:00,221 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:08:00,222 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:08:00,229 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:08:00,230 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:08:00" (1/1) ... [2023-11-19 03:08:00,239 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:08:00,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:08:00,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-19 03:08:00,303 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-19 03:08:00,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:08:00,306 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:08:00,307 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:08:00,307 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:08:00,308 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:08:00,311 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6685b9b9-3c71-4f70-9d04-da221801a273/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process