./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_1071.c --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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1071.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/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 8753b765717c2fe536e6a90ddefcee5a9aeaabafbc1bd4d26f8bbeefc7c2c477 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:09,989 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:10,069 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:09:10,075 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:09:10,076 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:09:10,102 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:10,103 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:10,103 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:10,104 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:10,105 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:10,105 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:10,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:10,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:10,107 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:09:10,108 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:10,108 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:10,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:10,109 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:10,109 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:10,110 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:10,110 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:10,117 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:10,118 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:10,118 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:10,119 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:10,119 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:10,120 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:10,120 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:10,121 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:10,121 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:10,122 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:09:10,123 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:09:10,123 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:10,125 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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8753b765717c2fe536e6a90ddefcee5a9aeaabafbc1bd4d26f8bbeefc7c2c477 [2023-11-19 04:09:10,408 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:10,439 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:10,442 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:10,443 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:10,444 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:10,445 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1071.c [2023-11-19 04:09:13,709 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:13,898 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:13,899 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/sv-benchmarks/c/float-newlib/double_req_bl_1071.c [2023-11-19 04:09:13,912 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/data/08319780b/6de8efb1dc4945388a4cc303bc6ed506/FLAG39cf07664 [2023-11-19 04:09:13,932 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/data/08319780b/6de8efb1dc4945388a4cc303bc6ed506 [2023-11-19 04:09:13,939 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:13,942 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:13,946 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:13,947 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:13,952 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:13,956 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:13" (1/1) ... [2023-11-19 04:09:13,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2f7d9b5f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:13, skipping insertion in model container [2023-11-19 04:09:13,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:13" (1/1) ... [2023-11-19 04:09:14,010 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:14,267 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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/sv-benchmarks/c/float-newlib/double_req_bl_1071.c[1883,1896] [2023-11-19 04:09:14,274 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:14,287 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:14,341 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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/sv-benchmarks/c/float-newlib/double_req_bl_1071.c[1883,1896] [2023-11-19 04:09:14,342 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:14,362 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:14,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14 WrapperNode [2023-11-19 04:09:14,363 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:14,364 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:14,364 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:14,365 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:14,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,396 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,441 INFO L138 Inliner]: procedures = 16, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 140 [2023-11-19 04:09:14,442 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:14,443 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:14,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:14,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:14,454 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,454 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,473 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,473 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,480 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,485 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,487 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,488 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:14,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:14,493 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:14,493 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:14,494 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:14" (1/1) ... [2023-11-19 04:09:14,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:14,516 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:14,529 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:14,535 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:14,567 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:09:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:09:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-19 04:09:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-19 04:09:14,568 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-19 04:09:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:14,569 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-19 04:09:14,569 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:09:14,656 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:14,659 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:14,940 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:15,157 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:15,157 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 04:09:15,162 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:15 BoogieIcfgContainer [2023-11-19 04:09:15,162 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:15,164 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:15,164 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:15,187 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:15,187 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:15" (1/1) ... [2023-11-19 04:09:15,197 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:15,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-11-19 04:09:15,300 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-11-19 04:09:15,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:09:15,302 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:15,502 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:15,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:15,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2023-11-19 04:09:15,554 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-11-19 04:09:15,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:09:15,554 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:15,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:09:15,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:09:15,621 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:09:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:09:15,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:09:15,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:09:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:09:15,772 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-19 04:09:15,824 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:09:15 ImpRootNode [2023-11-19 04:09:15,825 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:09:15,826 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:09:15,826 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:09:15,826 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:09:15,827 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:15" (3/4) ... [2023-11-19 04:09:15,833 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:09:15,834 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:09:15,836 INFO L158 Benchmark]: Toolchain (without parser) took 1892.79ms. Allocated memory was 130.0MB in the beginning and 205.5MB in the end (delta: 75.5MB). Free memory was 64.2MB in the beginning and 151.1MB in the end (delta: -87.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:15,838 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:15,840 INFO L158 Benchmark]: CACSL2BoogieTranslator took 416.89ms. Allocated memory was 130.0MB in the beginning and 205.5MB in the end (delta: 75.5MB). Free memory was 64.0MB in the beginning and 170.2MB in the end (delta: -106.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. [2023-11-19 04:09:15,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 77.98ms. Allocated memory is still 205.5MB. Free memory was 170.2MB in the beginning and 168.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:09:15,843 INFO L158 Benchmark]: Boogie Preprocessor took 48.98ms. Allocated memory is still 205.5MB. Free memory was 168.1MB in the beginning and 167.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:15,844 INFO L158 Benchmark]: RCFGBuilder took 670.24ms. Allocated memory is still 205.5MB. Free memory was 166.0MB in the beginning and 135.6MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-19 04:09:15,845 INFO L158 Benchmark]: CodeCheck took 661.33ms. Allocated memory is still 205.5MB. Free memory was 135.6MB in the beginning and 151.1MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:15,847 INFO L158 Benchmark]: Witness Printer took 8.87ms. Allocated memory is still 205.5MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:15,850 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 12 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 12 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 58 GetRequests, 58 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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: 76]: 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 someBinaryDOUBLEComparisonOperation at line 17, overapproximation of someBinaryArithmeticDOUBLEoperation at line 51, overapproximation of bitwiseAnd at line 31. Possible FailurePath: [L70] double x = 0.0 / 0.0; [L72] CALL, EXPR trunc_double(x) [L20] int signbit; [L21] int msw; [L22] unsigned int lsw; [L23] int exponent_less_1023; VAL [\old(x)=2, x=2] [L25] ieee_double_shape_type ew_u; [L26] EXPR ew_u.value = (x) [L27] EXPR ew_u.parts.msw [L27] EXPR (msw) = ew_u.parts.msw [L28] EXPR ew_u.parts.lsw [L28] EXPR (lsw) = ew_u.parts.lsw [L24-L29] { ieee_double_shape_type ew_u; ew_u.value = (x); (msw) = ew_u.parts.msw; (lsw) = ew_u.parts.lsw; } VAL [\old(x)=2, lsw=10, msw=2146435073, x=2] [L30] signbit = msw & 0x80000000 [L31] EXPR msw & 0x7ff00000 [L31] exponent_less_1023 = ((msw & 0x7ff00000) >> 20) - 1023 [L32] COND FALSE !(exponent_less_1023 < 20) VAL [\old(x)=2, exponent_less_1023=1024, lsw=10, msw=2146435073, signbit=0, x=2] [L49] COND TRUE exponent_less_1023 > 51 VAL [\old(x)=2, exponent_less_1023=1024, lsw=10, msw=2146435073, signbit=0, x=2] [L50] COND TRUE exponent_less_1023 == 1024 [L51] return x + x; VAL [\old(x)=2, exponent_less_1023=1024, lsw=10, msw=2146435073, signbit=0, x=2] [L72] RET, EXPR trunc_double(x) [L72] double res = trunc_double(x); [L75] CALL, EXPR isnan_double(res) [L17] return x != x; [L75] RET, EXPR isnan_double(res) [L75] COND TRUE !isnan_double(res) [L76] reach_error() VAL [res=5, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 416.89ms. Allocated memory was 130.0MB in the beginning and 205.5MB in the end (delta: 75.5MB). Free memory was 64.0MB in the beginning and 170.2MB in the end (delta: -106.2MB). Peak memory consumption was 11.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 77.98ms. Allocated memory is still 205.5MB. Free memory was 170.2MB in the beginning and 168.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 48.98ms. Allocated memory is still 205.5MB. Free memory was 168.1MB in the beginning and 167.1MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 670.24ms. Allocated memory is still 205.5MB. Free memory was 166.0MB in the beginning and 135.6MB in the end (delta: 30.4MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. * CodeCheck took 661.33ms. Allocated memory is still 205.5MB. Free memory was 135.6MB in the beginning and 151.1MB in the end (delta: -15.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 8.87ms. Allocated memory is still 205.5MB. Free memory is still 151.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 04:09:15,894 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_1071.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/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 8753b765717c2fe536e6a90ddefcee5a9aeaabafbc1bd4d26f8bbeefc7c2c477 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:09:18,603 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:09:18,736 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:09:18,791 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:09:18,792 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:09:18,793 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:09:18,794 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:09:18,795 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:09:18,796 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:09:18,801 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:09:18,802 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:09:18,802 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:09:18,803 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:09:18,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:09:18,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:09:18,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:09:18,806 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:09:18,806 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:09:18,807 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:09:18,807 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:09:18,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:09:18,808 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:09:18,809 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:09:18,809 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:09:18,809 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:09:18,810 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:18,810 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:18,811 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:09:18,811 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:18,812 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:09:18,813 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:09:18,813 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:09:18,814 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:09:18,814 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:18,815 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:09:18,815 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:09:18,815 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:09:18,815 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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8753b765717c2fe536e6a90ddefcee5a9aeaabafbc1bd4d26f8bbeefc7c2c477 [2023-11-19 04:09:19,220 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:09:19,241 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:09:19,243 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:09:19,246 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:09:19,247 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:09:19,249 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/float-newlib/double_req_bl_1071.c [2023-11-19 04:09:22,619 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:09:22,882 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:09:22,883 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/sv-benchmarks/c/float-newlib/double_req_bl_1071.c [2023-11-19 04:09:22,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/data/6c90c000e/1921eb3fda534a378189b47cc0a04eb0/FLAGe018de38e [2023-11-19 04:09:22,907 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/data/6c90c000e/1921eb3fda534a378189b47cc0a04eb0 [2023-11-19 04:09:22,909 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:09:22,911 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:09:22,912 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:22,913 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:09:22,918 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:09:22,918 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:22" (1/1) ... [2023-11-19 04:09:22,920 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6229090 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:22, skipping insertion in model container [2023-11-19 04:09:22,920 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:09:22" (1/1) ... [2023-11-19 04:09:22,942 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:09:23,105 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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/sv-benchmarks/c/float-newlib/double_req_bl_1071.c[1883,1896] [2023-11-19 04:09:23,116 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:23,130 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:09:23,157 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_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/sv-benchmarks/c/float-newlib/double_req_bl_1071.c[1883,1896] [2023-11-19 04:09:23,157 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:09:23,177 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:09:23,178 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23 WrapperNode [2023-11-19 04:09:23,178 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:09:23,179 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:23,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:09:23,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:09:23,209 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,242 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,275 INFO L138 Inliner]: procedures = 19, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 95 [2023-11-19 04:09:23,277 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:09:23,278 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:09:23,278 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:09:23,278 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:09:23,286 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,291 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,292 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,303 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,307 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,310 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,312 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,316 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:09:23,317 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:09:23,317 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:09:23,317 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:09:23,318 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,324 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:09:23,350 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:09:23,369 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:09:23,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:09:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:09:23,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-19 04:09:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-19 04:09:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:09:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-19 04:09:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-19 04:09:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:09:23,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:09:23,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-19 04:09:23,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-19 04:09:23,530 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:09:23,532 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:09:23,840 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:09:23,865 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:09:23,866 INFO L302 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-19 04:09:23,870 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:23 BoogieIcfgContainer [2023-11-19 04:09:23,871 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:09:23,872 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:09:23,872 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:09:23,903 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:09:23,903 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:23" (1/1) ... [2023-11-19 04:09:23,913 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:09:23,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:23,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 21 states and 33 transitions. [2023-11-19 04:09:23,973 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 33 transitions. [2023-11-19 04:09:23,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-19 04:09:23,976 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:23,977 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:23,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:09:23,981 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:09:23,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 04:09:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:24,142 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:09:24,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:24,168 INFO L262 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-19 04:09:24,173 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:24,194 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:24,196 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-19 04:09:24,197 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-19 04:09:24,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:24,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 21 states and 30 transitions. [2023-11-19 04:09:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 30 transitions. [2023-11-19 04:09:24,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-19 04:09:24,234 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:09:24,235 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:09:24,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:09:24,236 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:09:24,260 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-19 04:09:24,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:24,475 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-19 04:09:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-19 04:09:24,566 INFO L262 TraceCheckSpWp]: Trace formula consists of 42 conjuncts, 15 conjunts are in the unsatisfiable core [2023-11-19 04:09:24,570 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-19 04:09:25,780 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-19 04:09:25,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-19 04:09:31,157 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.64s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-19 04:09:34,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:09:34,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 11 states and 10 transitions. [2023-11-19 04:09:34,494 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states and 10 transitions. [2023-11-19 04:09:34,495 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-19 04:09:34,495 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 3 iterations. [2023-11-19 04:09:34,507 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-19 04:09:34,812 INFO L560 CodeCheckObserver]: Invariant with dag size 5 [2023-11-19 04:09:34,817 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-19 04:09:34,817 INFO L560 CodeCheckObserver]: Invariant with dag size 14 [2023-11-19 04:09:34,821 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_5 : bv64, currentRoundingMode : FloatRoundingMode :: #res == ~fp.add~64(currentRoundingMode, ~fp~64(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0])) && ~fp~64(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) == ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64())) could not be translated [2023-11-19 04:09:34,822 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:09:34 ImpRootNode [2023-11-19 04:09:34,822 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:09:34,823 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:09:34,823 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:09:34,823 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:09:34,824 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:09:23" (3/4) ... [2023-11-19 04:09:34,826 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-19 04:09:34,835 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2023-11-19 04:09:34,835 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-11-19 04:09:34,836 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-19 04:09:34,836 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-19 04:09:34,932 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/witness.graphml [2023-11-19 04:09:34,933 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/bin/ukojak-verify-G8NBE6pJGL/witness.yml [2023-11-19 04:09:34,933 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:09:34,934 INFO L158 Benchmark]: Toolchain (without parser) took 12022.76ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 45.4MB in the beginning and 53.6MB in the end (delta: -8.1MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2023-11-19 04:09:34,934 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:34,935 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.17ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 33.3MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 04:09:34,935 INFO L158 Benchmark]: Boogie Procedure Inliner took 97.75ms. Allocated memory is still 69.2MB. Free memory was 33.3MB in the beginning and 47.5MB in the end (delta: -14.1MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. [2023-11-19 04:09:34,936 INFO L158 Benchmark]: Boogie Preprocessor took 38.53ms. Allocated memory is still 69.2MB. Free memory was 47.2MB in the beginning and 45.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:09:34,936 INFO L158 Benchmark]: RCFGBuilder took 553.81ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 31.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 04:09:34,937 INFO L158 Benchmark]: CodeCheck took 10950.77ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 58.2MB in the end (delta: -27.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:09:34,937 INFO L158 Benchmark]: Witness Printer took 109.92ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 53.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-19 04:09:34,940 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 21 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 10.6s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 57 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 6.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2 mSDsCounter, 11 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 11 mSolverCounterUnsat, 28 mSDtfsCounter, 37 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 17 ConstructedInterpolants, 6 QuantifiedInterpolants, 178 SizeOfPredicates, 10 NumberOfNonLiveVariables, 70 ConjunctsInSsa, 16 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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 - PositiveResult [Line: 76]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 56.6MB. Free memory is still 33.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.17ms. Allocated memory is still 69.2MB. Free memory was 45.3MB in the beginning and 33.3MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 97.75ms. Allocated memory is still 69.2MB. Free memory was 33.3MB in the beginning and 47.5MB in the end (delta: -14.1MB). Peak memory consumption was 3.0MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.53ms. Allocated memory is still 69.2MB. Free memory was 47.2MB in the beginning and 45.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 553.81ms. Allocated memory is still 69.2MB. Free memory was 45.6MB in the beginning and 31.0MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 10950.77ms. Allocated memory was 69.2MB in the beginning and 83.9MB in the end (delta: 14.7MB). Free memory was 30.7MB in the beginning and 58.2MB in the end (delta: -27.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 109.92ms. Allocated memory is still 83.9MB. Free memory was 58.2MB in the beginning and 53.6MB in the end (delta: 4.7MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_5 : bv64, currentRoundingMode : FloatRoundingMode :: #res == ~fp.add~64(currentRoundingMode, ~fp~64(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]), ~fp~64(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0])) && ~fp~64(v_skolemized_q#valueAsBitvector_5[63:63], v_skolemized_q#valueAsBitvector_5[62:52], v_skolemized_q#valueAsBitvector_5[51:0]) == ~fp.div~64(currentRoundingMode, ~Pluszero~64(), ~Pluszero~64())) could not be translated RESULT: Ultimate proved your program to be correct! [2023-11-19 04:09:34,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_0742fecd-dbbf-4f8c-9e93-9f2d43ffd193/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 Writing output log to file Ultimate.log Result: TRUE