./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/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_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/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_38203f67-9aaf-4e35-afa3-84e0975b587d/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 ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:23,525 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:23,612 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:58:23,617 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:58:23,618 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:58:23,654 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:23,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:23,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:23,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:23,657 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:23,658 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:23,658 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:23,659 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:23,659 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:58:23,660 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:23,661 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:23,661 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:23,662 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:23,662 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:23,663 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:23,663 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:23,664 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:23,665 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:23,665 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:23,666 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:23,666 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:23,667 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:23,667 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:23,668 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:23,668 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:23,669 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:58:23,669 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:58:23,669 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:23,670 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_38203f67-9aaf-4e35-afa3-84e0975b587d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa [2023-11-19 02:58:23,970 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:23,996 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:24,000 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:24,002 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:24,002 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:24,004 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2023-11-19 02:58:27,103 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:27,336 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:27,337 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2023-11-19 02:58:27,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/data/23142624f/228d0f3d4b4e41b1874b48557c3c297e/FLAG7e80763b0 [2023-11-19 02:58:27,360 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/data/23142624f/228d0f3d4b4e41b1874b48557c3c297e [2023-11-19 02:58:27,363 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:27,364 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:27,366 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:27,366 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:27,371 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:27,372 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,373 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1131b2f6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27, skipping insertion in model container [2023-11-19 02:58:27,374 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,397 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:27,568 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_38203f67-9aaf-4e35-afa3-84e0975b587d/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2023-11-19 02:58:27,572 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:27,582 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:27,601 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_38203f67-9aaf-4e35-afa3-84e0975b587d/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2023-11-19 02:58:27,602 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:27,617 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:27,618 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27 WrapperNode [2023-11-19 02:58:27,618 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:27,619 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:27,620 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:27,620 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:27,628 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,637 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,660 INFO L138 Inliner]: procedures = 17, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 30 [2023-11-19 02:58:27,661 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:27,661 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:27,662 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:27,662 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:27,672 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,673 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,678 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,678 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,683 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,685 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,686 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,687 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:27,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:27,691 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:27,691 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:27,692 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:27" (1/1) ... [2023-11-19 02:58:27,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:27,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:27,728 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:27,747 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:27,778 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:58:27,779 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:27,779 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:27,851 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:27,853 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:28,005 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:28,043 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:28,043 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:58:28,048 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:28 BoogieIcfgContainer [2023-11-19 02:58:28,048 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:28,049 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:28,049 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:28,060 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:28,060 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:28" (1/1) ... [2023-11-19 02:58:28,069 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:28,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 02:58:28,125 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 02:58:28,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:58:28,127 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:28,128 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:58:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:58:28,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:58:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:58:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:58:28,265 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:58:28,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:58:28,279 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:58:28,299 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:58:28 ImpRootNode [2023-11-19 02:58:28,299 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:58:28,300 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:58:28,300 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:58:28,301 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:58:28,301 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:28" (3/4) ... [2023-11-19 02:58:28,304 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:58:28,305 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:58:28,306 INFO L158 Benchmark]: Toolchain (without parser) took 941.87ms. Allocated memory is still 165.7MB. Free memory was 133.9MB in the beginning and 98.0MB in the end (delta: 35.9MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,307 INFO L158 Benchmark]: CDTParser took 16.17ms. Allocated memory is still 119.5MB. Free memory is still 93.4MB. Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,308 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.13ms. Allocated memory is still 165.7MB. Free memory was 133.5MB in the beginning and 123.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,309 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.25ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 121.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,310 INFO L158 Benchmark]: Boogie Preprocessor took 28.23ms. Allocated memory is still 165.7MB. Free memory was 121.3MB in the beginning and 120.4MB in the end (delta: 978.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,311 INFO L158 Benchmark]: RCFGBuilder took 357.66ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 109.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,311 INFO L158 Benchmark]: CodeCheck took 250.54ms. Allocated memory is still 165.7MB. Free memory was 109.2MB in the beginning and 98.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:58:28,312 INFO L158 Benchmark]: Witness Printer took 5.24ms. Allocated memory is still 165.7MB. Free memory was 98.3MB in the beginning and 98.0MB in the end (delta: 355.2kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:58:28,317 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 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, 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, 3 NumberOfCodeBlocks, 3 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 29. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L42] CALL, EXPR f(IN) [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) [L42] CALL, EXPR fp(IN) [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) [L42] float x = IN - f(IN)/fp(IN); [L50] COND TRUE !(x < 0.1) [L51] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 16.17ms. Allocated memory is still 119.5MB. Free memory is still 93.4MB. Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.13ms. Allocated memory is still 165.7MB. Free memory was 133.5MB in the beginning and 123.1MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.25ms. Allocated memory is still 165.7MB. Free memory was 123.1MB in the beginning and 121.3MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.23ms. Allocated memory is still 165.7MB. Free memory was 121.3MB in the beginning and 120.4MB in the end (delta: 978.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 357.66ms. Allocated memory is still 165.7MB. Free memory was 120.0MB in the beginning and 109.2MB in the end (delta: 10.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 250.54ms. Allocated memory is still 165.7MB. Free memory was 109.2MB in the beginning and 98.7MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.24ms. Allocated memory is still 165.7MB. Free memory was 98.3MB in the beginning and 98.0MB in the end (delta: 355.2kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:58:28,361 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/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_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/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_38203f67-9aaf-4e35-afa3-84e0975b587d/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 ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:58:30,819 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:58:30,894 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:58:30,964 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:58:30,967 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:58:30,968 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:58:30,969 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:58:30,969 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:58:30,970 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:58:30,975 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:58:30,976 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:58:30,976 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:58:30,977 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:58:30,978 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:58:30,979 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:58:30,979 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:58:30,980 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:58:30,980 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:58:30,981 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:58:30,981 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:58:30,981 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:58:30,982 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:58:30,982 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:58:30,983 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:58:30,983 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:58:30,984 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:30,984 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:30,985 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:58:30,985 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:30,986 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:58:30,987 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:58:30,987 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:58:30,987 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:58:30,988 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:30,988 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:58:30,988 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:58:30,989 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:58:30,989 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_38203f67-9aaf-4e35-afa3-84e0975b587d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ec222c3996017a4c3d0b54e86b7104edba9dccbc593820967cf8b3cad697d0fa [2023-11-19 02:58:31,381 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:58:31,411 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:58:31,417 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:58:31,418 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:58:31,419 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:58:31,420 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2023-11-19 02:58:34,568 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:58:34,837 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:58:34,838 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/sv-benchmarks/c/floats-cdfpl/newton_1_6.i [2023-11-19 02:58:34,846 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/data/cdf1cc160/9b3fb0e671ee49d6b99ce67785534643/FLAGfa5b1f5bb [2023-11-19 02:58:34,862 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/data/cdf1cc160/9b3fb0e671ee49d6b99ce67785534643 [2023-11-19 02:58:34,864 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:58:34,866 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:58:34,868 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:34,868 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:58:34,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:58:34,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:34" (1/1) ... [2023-11-19 02:58:34,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6f542399 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:34, skipping insertion in model container [2023-11-19 02:58:34,875 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:58:34" (1/1) ... [2023-11-19 02:58:34,897 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:58:35,070 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_38203f67-9aaf-4e35-afa3-84e0975b587d/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2023-11-19 02:58:35,074 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:35,089 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:58:35,109 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_38203f67-9aaf-4e35-afa3-84e0975b587d/sv-benchmarks/c/floats-cdfpl/newton_1_6.i[1722,1735] [2023-11-19 02:58:35,110 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:58:35,128 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:58:35,128 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35 WrapperNode [2023-11-19 02:58:35,128 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:58:35,130 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:35,130 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:58:35,130 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:58:35,138 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,148 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,169 INFO L138 Inliner]: procedures = 18, calls = 9, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 31 [2023-11-19 02:58:35,170 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:58:35,171 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:58:35,171 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:58:35,171 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:58:35,181 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,181 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,185 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,185 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,194 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,196 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,198 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,199 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,203 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:58:35,204 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:58:35,204 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:58:35,204 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:58:35,205 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:58:35" (1/1) ... [2023-11-19 02:58:35,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:58:35,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:58:35,243 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:58:35,262 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:58:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:58:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:58:35,283 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:58:35,283 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:58:35,359 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:58:35,361 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:58:50,076 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:58:50,135 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:58:50,136 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 02:58:50,140 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:50 BoogieIcfgContainer [2023-11-19 02:58:50,141 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:58:50,142 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:58:50,142 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:58:50,163 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:58:50,164 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:58:50" (1/1) ... [2023-11-19 02:58:50,177 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:58:50,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:58:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2023-11-19 02:58:50,259 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2023-11-19 02:58:50,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2023-11-19 02:58:50,261 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:58:50,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:58:50,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:58:50,267 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:58:50,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_38203f67-9aaf-4e35-afa3-84e0975b587d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process