./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/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 ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:50,003 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:50,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:13:50,074 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:13:50,075 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:13:50,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:50,102 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:50,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:50,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:50,104 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:50,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:50,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:50,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:50,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:13:50,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:50,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:50,108 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:50,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:50,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:50,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:50,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:50,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:50,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:50,114 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:50,115 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:50,115 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:50,115 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:50,116 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:50,116 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:50,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:50,117 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:13:50,118 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:13:50,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:50,120 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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 [2023-11-19 03:13:50,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:50,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:50,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:50,429 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:50,429 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:50,431 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2023-11-19 03:13:53,320 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:13:53,645 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:13:53,646 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2023-11-19 03:13:53,655 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/data/ff146a1e9/27a5e82e0b3844e5a6b4a5866a447b9e/FLAG01ed4dde7 [2023-11-19 03:13:53,955 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/data/ff146a1e9/27a5e82e0b3844e5a6b4a5866a447b9e [2023-11-19 03:13:53,958 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:13:53,959 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:13:53,961 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:53,961 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:13:53,966 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:13:53,967 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:53" (1/1) ... [2023-11-19 03:13:53,968 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a74078e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:53, skipping insertion in model container [2023-11-19 03:13:53,969 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:13:53" (1/1) ... [2023-11-19 03:13:53,992 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:13:54,162 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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2023-11-19 03:13:54,166 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:54,177 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:13:54,196 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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2023-11-19 03:13:54,197 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:13:54,212 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:13:54,213 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54 WrapperNode [2023-11-19 03:13:54,213 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:13:54,214 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:54,214 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:13:54,215 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:13:54,222 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,248 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2023-11-19 03:13:54,248 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:13:54,249 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:13:54,249 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:13:54,249 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:13:54,259 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,259 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,261 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,261 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,266 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,273 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:13:54,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:13:54,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:13:54,274 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:13:54,275 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,282 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:54,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:13:54,312 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:13:54,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:13:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:13:54,356 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 03:13:54,357 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 03:13:54,357 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 03:13:54,358 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 03:13:54,358 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:13:54,359 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:13:54,359 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:13:54,440 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:13:54,442 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:13:54,586 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:13:54,634 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:13:54,635 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:13:54,640 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:54 BoogieIcfgContainer [2023-11-19 03:13:54,640 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:13:54,642 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:13:54,642 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:13:54,656 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:13:54,656 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:54" (1/1) ... [2023-11-19 03:13:54,668 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:13:54,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:13:54,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-19 03:13:54,742 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-19 03:13:54,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:13:54,747 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:13:54,747 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:13:54,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:54,884 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:54,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:55,011 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:13:55,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:13:55,039 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:13:55,070 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-19 03:13:55,071 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-19 03:13:55,072 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated [2023-11-19 03:13:55,073 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-19 03:13:55,073 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-19 03:13:55,074 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-19 03:13:55,085 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:13:55 ImpRootNode [2023-11-19 03:13:55,086 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:13:55,088 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:13:55,088 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:13:55,089 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:13:55,089 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:13:54" (3/4) ... [2023-11-19 03:13:55,094 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:13:55,095 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:13:55,097 INFO L158 Benchmark]: Toolchain (without parser) took 1136.71ms. Allocated memory is still 180.4MB. Free memory was 147.2MB in the beginning and 106.6MB in the end (delta: 40.6MB). Peak memory consumption was 39.8MB. Max. memory is 16.1GB. [2023-11-19 03:13:55,098 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 115.3MB. Free memory was 82.8MB in the beginning and 82.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:55,099 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.70ms. Allocated memory is still 180.4MB. Free memory was 146.3MB in the beginning and 135.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:13:55,100 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.25ms. Allocated memory is still 180.4MB. Free memory was 135.9MB in the beginning and 134.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:13:55,100 INFO L158 Benchmark]: Boogie Preprocessor took 24.10ms. Allocated memory is still 180.4MB. Free memory was 134.8MB in the beginning and 133.8MB in the end (delta: 975.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:55,101 INFO L158 Benchmark]: RCFGBuilder took 366.81ms. Allocated memory is still 180.4MB. Free memory was 133.8MB in the beginning and 121.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:13:55,102 INFO L158 Benchmark]: CodeCheck took 444.59ms. Allocated memory is still 180.4MB. Free memory was 121.3MB in the beginning and 107.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:13:55,103 INFO L158 Benchmark]: Witness Printer took 7.10ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 106.6MB in the end (delta: 892.3kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:13:55,113 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 > -0.4f && IN < 0.4f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f) [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 0.26ms. Allocated memory is still 115.3MB. Free memory was 82.8MB in the beginning and 82.8MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.70ms. Allocated memory is still 180.4MB. Free memory was 146.3MB in the beginning and 135.9MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.25ms. Allocated memory is still 180.4MB. Free memory was 135.9MB in the beginning and 134.8MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.10ms. Allocated memory is still 180.4MB. Free memory was 134.8MB in the beginning and 133.8MB in the end (delta: 975.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 366.81ms. Allocated memory is still 180.4MB. Free memory was 133.8MB in the beginning and 121.3MB in the end (delta: 12.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * CodeCheck took 444.59ms. Allocated memory is still 180.4MB. Free memory was 121.3MB in the beginning and 107.5MB in the end (delta: 13.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Witness Printer took 7.10ms. Allocated memory is still 180.4MB. Free memory was 107.5MB in the beginning and 106.6MB in the end (delta: 892.3kB). 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~ret2 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret3 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 03:13:55,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/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 ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:13:57,916 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:13:58,043 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:13:58,107 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:13:58,108 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:13:58,109 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:13:58,110 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:13:58,111 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:13:58,112 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:13:58,118 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:13:58,118 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:13:58,119 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:13:58,119 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:13:58,122 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:13:58,122 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:13:58,123 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:13:58,123 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:13:58,124 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:13:58,124 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:13:58,125 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:13:58,126 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:13:58,127 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:13:58,127 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:13:58,128 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:13:58,128 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:13:58,129 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:58,129 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:58,130 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:13:58,130 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:13:58,131 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:13:58,133 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:13:58,133 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:13:58,133 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:13:58,134 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:13:58,134 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:13:58,135 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:13:58,135 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:13:58,135 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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ea6a8c5e704811f28f8e849441da11858e0e82f813a23a41c3470eda1c16b043 [2023-11-19 03:13:58,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:13:58,653 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:13:58,656 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:13:58,657 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:13:58,658 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:13:58,659 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2023-11-19 03:14:01,690 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:14:01,938 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:14:01,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/sv-benchmarks/c/floats-cdfpl/newton_2_2.i [2023-11-19 03:14:01,949 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/data/6402fb2c1/a546e77293b14497aa3d3dabab083676/FLAG8281d2813 [2023-11-19 03:14:01,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/data/6402fb2c1/a546e77293b14497aa3d3dabab083676 [2023-11-19 03:14:01,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:14:01,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:14:01,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:01,972 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:14:01,977 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:14:01,978 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:01" (1/1) ... [2023-11-19 03:14:01,979 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d204ebc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:01, skipping insertion in model container [2023-11-19 03:14:01,979 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:14:01" (1/1) ... [2023-11-19 03:14:02,002 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:14:02,172 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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2023-11-19 03:14:02,176 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:02,192 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:14:02,212 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_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/sv-benchmarks/c/floats-cdfpl/newton_2_2.i[1743,1756] [2023-11-19 03:14:02,212 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:14:02,229 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:14:02,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02 WrapperNode [2023-11-19 03:14:02,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:14:02,231 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:02,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:14:02,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:14:02,238 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,249 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,268 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2023-11-19 03:14:02,268 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:14:02,269 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:14:02,269 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:14:02,269 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:14:02,278 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,279 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,282 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,283 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,291 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,292 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,295 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,296 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,299 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:14:02,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:14:02,300 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:14:02,300 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:14:02,301 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:14:02" (1/1) ... [2023-11-19 03:14:02,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:14:02,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:14:02,332 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:14:02,358 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:14:02,380 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:14:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 03:14:02,381 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 03:14:02,381 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:14:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 03:14:02,382 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 03:14:02,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:14:02,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:14:02,533 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:14:02,535 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:14:26,686 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:14:26,734 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:14:26,735 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 03:14:26,739 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:26 BoogieIcfgContainer [2023-11-19 03:14:26,739 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:14:26,740 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:14:26,740 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:14:26,750 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:14:26,755 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:14:26" (1/1) ... [2023-11-19 03:14:26,765 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:14:26,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:14:26,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2023-11-19 03:14:26,837 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2023-11-19 03:14:26,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-19 03:14:26,843 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:14:26,844 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:14:26,844 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:14:26,848 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:14:26,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f46c6c5a-0056-496d-bf2a-7f22a5fbd7ae/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process