./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_3_2.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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/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 c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:10,386 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:10,520 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:07:10,527 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:07:10,528 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:07:10,570 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:10,573 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:10,573 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:10,575 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:10,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:10,583 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:10,584 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:10,584 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:10,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:07:10,587 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:10,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:10,588 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:10,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:10,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:10,589 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:10,589 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:10,590 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:10,590 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:10,591 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:10,591 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:10,592 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:10,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:10,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:10,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:10,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:10,595 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:07:10,596 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:07:10,596 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:10,596 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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3 [2023-11-19 04:07:10,946 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:10,968 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:10,971 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:10,972 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:10,973 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:10,974 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i [2023-11-19 04:07:14,092 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:14,286 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:14,287 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/sv-benchmarks/c/floats-cdfpl/newton_3_2.i [2023-11-19 04:07:14,296 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/data/af6fdcc33/9d6de902e36941839595f6b3c0693fa2/FLAG6555f44fe [2023-11-19 04:07:14,312 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/data/af6fdcc33/9d6de902e36941839595f6b3c0693fa2 [2023-11-19 04:07:14,315 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:14,317 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:14,318 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:14,319 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:14,325 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:14,326 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,327 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47a80c8a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14, skipping insertion in model container [2023-11-19 04:07:14,327 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,353 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:14,591 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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777] [2023-11-19 04:07:14,597 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:14,611 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:14,648 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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777] [2023-11-19 04:07:14,651 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:14,667 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:14,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14 WrapperNode [2023-11-19 04:07:14,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:14,669 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:14,669 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:14,670 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:14,678 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,710 INFO L138 Inliner]: procedures = 17, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 34 [2023-11-19 04:07:14,711 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:14,712 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:14,712 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:14,712 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:14,723 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,723 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,735 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,736 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,748 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,755 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,757 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,758 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:14,765 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:14,765 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:14,765 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:14,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:14" (1/1) ... [2023-11-19 04:07:14,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:14,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:14,810 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:14,840 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:14,878 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 04:07:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 04:07:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 04:07:14,885 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 04:07:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:07:14,886 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:14,887 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:14,984 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:14,998 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:15,150 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:15,186 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:15,187 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:07:15,191 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:15 BoogieIcfgContainer [2023-11-19 04:07:15,192 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:15,193 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:15,193 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:15,203 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:15,204 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:15" (1/1) ... [2023-11-19 04:07:15,213 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:15,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 04:07:15,271 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 04:07:15,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:07:15,279 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:15,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:07:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:15,405 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:07:15,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:15,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:15,481 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:07:15,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:07:15,518 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:07:15,547 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-19 04:07:15,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret2 could not be translated [2023-11-19 04:07:15,548 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret3 could not be translated [2023-11-19 04:07:15,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-19 04:07:15,549 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-19 04:07:15,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated [2023-11-19 04:07:15,550 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 04:07:15,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated [2023-11-19 04:07:15,551 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated [2023-11-19 04:07:15,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:07:15 ImpRootNode [2023-11-19 04:07:15,556 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:07:15,557 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:07:15,557 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:07:15,558 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:07:15,558 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:15" (3/4) ... [2023-11-19 04:07:15,561 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:07:15,562 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:07:15,563 INFO L158 Benchmark]: Toolchain (without parser) took 1246.10ms. Allocated memory is still 140.5MB. Free memory was 104.9MB in the beginning and 88.9MB in the end (delta: 16.0MB). Peak memory consumption was 13.8MB. Max. memory is 16.1GB. [2023-11-19 04:07:15,564 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:15,564 INFO L158 Benchmark]: CACSL2BoogieTranslator took 349.64ms. Allocated memory is still 140.5MB. Free memory was 104.9MB in the beginning and 93.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2023-11-19 04:07:15,565 INFO L158 Benchmark]: Boogie Procedure Inliner took 42.00ms. Allocated memory is still 140.5MB. Free memory was 93.9MB in the beginning and 92.3MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:07:15,566 INFO L158 Benchmark]: Boogie Preprocessor took 52.55ms. Allocated memory is still 140.5MB. Free memory was 92.3MB in the beginning and 91.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:07:15,566 INFO L158 Benchmark]: RCFGBuilder took 426.86ms. Allocated memory is still 140.5MB. Free memory was 91.0MB in the beginning and 105.0MB in the end (delta: -14.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:07:15,567 INFO L158 Benchmark]: CodeCheck took 363.85ms. Allocated memory is still 140.5MB. Free memory was 104.9MB in the beginning and 89.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 04:07:15,568 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 140.5MB. Free memory was 89.5MB in the beginning and 88.9MB in the end (delta: 643.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:07:15,571 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, 19 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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, 24 NumberOfCodeBlocks, 24 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 46. 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) [L46] CALL, EXPR f(x) VAL [\old(x)=8] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L46] RET, EXPR f(x) VAL [IN=2, x=8] [L46] CALL, EXPR fp(x) VAL [\old(x)=8] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L46] RET, EXPR fp(x) VAL [IN=2, x=8] [L46] 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 0.33ms. Allocated memory is still 111.1MB. Free memory is still 85.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 349.64ms. Allocated memory is still 140.5MB. Free memory was 104.9MB in the beginning and 93.9MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 42.00ms. Allocated memory is still 140.5MB. Free memory was 93.9MB in the beginning and 92.3MB in the end (delta: 1.5MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 52.55ms. Allocated memory is still 140.5MB. Free memory was 92.3MB in the beginning and 91.0MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 426.86ms. Allocated memory is still 140.5MB. Free memory was 91.0MB in the beginning and 105.0MB in the end (delta: -14.0MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * CodeCheck took 363.85ms. Allocated memory is still 140.5MB. Free memory was 104.9MB in the beginning and 89.5MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 140.5MB. Free memory was 89.5MB in the beginning and 88.9MB in the end (delta: 643.7kB). 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~ret5 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret4 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret7 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~ret6 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 04:07:15,610 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with 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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/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 c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:07:18,241 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:07:18,368 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:07:18,441 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:07:18,442 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:07:18,443 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:07:18,444 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:07:18,445 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:07:18,446 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:07:18,451 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:07:18,452 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:07:18,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:07:18,453 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:07:18,455 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:07:18,456 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:07:18,456 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:07:18,457 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:07:18,457 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:07:18,458 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:07:18,458 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:07:18,459 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:07:18,459 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:07:18,460 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:07:18,460 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:07:18,460 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:07:18,461 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:18,461 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:18,462 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:07:18,462 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:18,463 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:07:18,464 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:07:18,465 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:07:18,465 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:07:18,465 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:18,466 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:07:18,466 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:07:18,466 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:07:18,466 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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c1d4d49264539a089c5128bd7fc98307efecaf11cb51350b8359b7fe239beab3 [2023-11-19 04:07:18,859 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:07:18,895 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:07:18,898 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:07:18,900 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:07:18,901 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:07:18,903 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/floats-cdfpl/newton_3_2.i [2023-11-19 04:07:22,303 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:07:22,588 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:07:22,589 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/sv-benchmarks/c/floats-cdfpl/newton_3_2.i [2023-11-19 04:07:22,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/data/cf4ab8f35/84e549ef62c34e6cbbf6bed110a67114/FLAGd0dfad75f [2023-11-19 04:07:22,612 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/data/cf4ab8f35/84e549ef62c34e6cbbf6bed110a67114 [2023-11-19 04:07:22,614 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:07:22,616 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:07:22,618 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:22,618 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:07:22,624 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:07:22,625 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:22,626 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ce2637 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22, skipping insertion in model container [2023-11-19 04:07:22,626 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:22,652 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:07:22,874 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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777] [2023-11-19 04:07:22,880 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:22,910 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:07:22,952 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_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/sv-benchmarks/c/floats-cdfpl/newton_3_2.i[1764,1777] [2023-11-19 04:07:22,958 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:07:22,976 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:07:22,977 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22 WrapperNode [2023-11-19 04:07:22,977 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:07:22,978 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:22,978 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:07:22,979 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:07:22,987 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,020 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,039 INFO L138 Inliner]: procedures = 18, calls = 13, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 35 [2023-11-19 04:07:23,040 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:07:23,041 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:07:23,041 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:07:23,041 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:07:23,053 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,054 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,066 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,066 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,082 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,091 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,094 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,096 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,099 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:07:23,100 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:07:23,100 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:07:23,106 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:07:23,107 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:07:22" (1/1) ... [2023-11-19 04:07:23,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:07:23,130 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:07:23,144 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:07:23,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:07:23,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:07:23,192 INFO L130 BoogieDeclarations]: Found specification of procedure f [2023-11-19 04:07:23,192 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2023-11-19 04:07:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:07:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2023-11-19 04:07:23,193 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2023-11-19 04:07:23,193 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:07:23,194 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:07:23,295 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:07:23,297 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:07:47,810 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:07:47,870 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:07:47,871 INFO L302 CfgBuilder]: Removed 0 assume(true) statements. [2023-11-19 04:07:47,875 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:47 BoogieIcfgContainer [2023-11-19 04:07:47,876 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:07:47,877 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:07:47,877 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:07:47,888 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:07:47,888 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:07:47" (1/1) ... [2023-11-19 04:07:47,897 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:07:47,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:07:47,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 19 states and 23 transitions. [2023-11-19 04:07:47,961 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 23 transitions. [2023-11-19 04:07:47,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-19 04:07:47,967 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:07:47,968 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:07:47,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:07:47,972 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:07:47,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ffe1362d-f5a3-43d3-9eca-9960a1982a2e/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process