./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1250.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1250.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi --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 b1947c2cfa9d661d99206b001fd8998d6aae9b547d6aa58efd3f1b0fdfd07645 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:00,831 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:00,970 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:12:00,976 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:00,977 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:01,008 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:01,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:01,011 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:01,012 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:01,013 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:01,014 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:01,014 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:01,015 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:01,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:01,017 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:01,018 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:01,018 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:01,019 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:01,020 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:01,021 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:01,021 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:01,026 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:01,027 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:01,028 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:01,029 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:01,029 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:01,030 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:01,030 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:01,031 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:01,031 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:01,031 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:01,032 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:01,032 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:01,033 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_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1947c2cfa9d661d99206b001fd8998d6aae9b547d6aa58efd3f1b0fdfd07645 [2023-11-24 22:12:01,413 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:01,446 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:01,452 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:01,454 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:01,455 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:01,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2023-11-24 22:12:05,057 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:05,275 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:05,276 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2023-11-24 22:12:05,284 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/data/b7f793e87/a40c7c3986e24690abf27631fbe14206/FLAG5200ba2ab [2023-11-24 22:12:05,302 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/data/b7f793e87/a40c7c3986e24690abf27631fbe14206 [2023-11-24 22:12:05,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:05,307 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:05,309 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:05,309 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:05,315 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:05,316 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,317 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ed02bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05, skipping insertion in model container [2023-11-24 22:12:05,318 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,345 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:05,592 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_e5033d8a-88ba-4734-b030-753c58179bb7/sv-benchmarks/c/float-newlib/float_req_bl_1250.c[1719,1732] [2023-11-24 22:12:05,598 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:05,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:05,657 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_e5033d8a-88ba-4734-b030-753c58179bb7/sv-benchmarks/c/float-newlib/float_req_bl_1250.c[1719,1732] [2023-11-24 22:12:05,661 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:05,681 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:05,682 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05 WrapperNode [2023-11-24 22:12:05,682 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:05,684 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:05,684 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:05,684 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:05,693 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,714 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,742 INFO L138 Inliner]: procedures = 17, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 45 [2023-11-24 22:12:05,743 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:05,744 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:05,744 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:05,744 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:05,755 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,756 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,760 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,761 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,782 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,791 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,795 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,802 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,805 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:05,806 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:05,810 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:05,810 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:05,811 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:05" (1/1) ... [2023-11-24 22:12:05,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:05,834 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:05,850 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:05,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:05,894 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:12:05,895 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:05,896 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2023-11-24 22:12:05,896 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2023-11-24 22:12:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 22:12:05,897 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:05,898 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 22:12:05,899 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:06,009 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:06,012 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:06,297 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:06,454 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:06,454 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:12:06,456 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:06 BoogieIcfgContainer [2023-11-24 22:12:06,456 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:06,458 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:06,458 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:06,472 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:06,473 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:06" (1/1) ... [2023-11-24 22:12:06,484 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:06,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:06,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 17 states and 21 transitions. [2023-11-24 22:12:06,586 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 21 transitions. [2023-11-24 22:12:06,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:12:06,593 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:06,593 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:06,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:06,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:06,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:06,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 17 states and 18 transitions. [2023-11-24 22:12:06,975 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 18 transitions. [2023-11-24 22:12:06,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-11-24 22:12:06,977 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:06,977 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:12:07,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:07,044 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:07,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:07,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:07,174 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:12:07,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:12:07,218 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 22:12:07,249 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~ret5 could not be translated [2023-11-24 22:12:07,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:12:07 ImpRootNode [2023-11-24 22:12:07,257 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:12:07,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:12:07,258 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:12:07,258 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:12:07,259 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:06" (3/4) ... [2023-11-24 22:12:07,262 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:12:07,264 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:12:07,266 INFO L158 Benchmark]: Toolchain (without parser) took 1957.89ms. Allocated memory was 157.3MB in the beginning and 195.0MB in the end (delta: 37.7MB). Free memory was 110.9MB in the beginning and 148.0MB in the end (delta: -37.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:07,266 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 94.4MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:07,267 INFO L158 Benchmark]: CACSL2BoogieTranslator took 373.80ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 100.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:12:07,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 59.48ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 98.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:12:07,269 INFO L158 Benchmark]: Boogie Preprocessor took 61.55ms. Allocated memory is still 157.3MB. Free memory was 98.3MB in the beginning and 96.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:07,270 INFO L158 Benchmark]: RCFGBuilder took 650.54ms. Allocated memory is still 157.3MB. Free memory was 96.9MB in the beginning and 79.0MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-24 22:12:07,271 INFO L158 Benchmark]: CodeCheck took 799.42ms. Allocated memory was 157.3MB in the beginning and 195.0MB in the end (delta: 37.7MB). Free memory was 79.0MB in the beginning and 148.0MB in the end (delta: -69.0MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:07,272 INFO L158 Benchmark]: Witness Printer took 6.35ms. Allocated memory is still 195.0MB. Free memory is still 148.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:07,276 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 2 procedures, 17 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 30 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 13 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 70 GetRequests, 70 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, 23 NumberOfCodeBlocks, 23 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 10 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: 67]: 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 56, overapproximation of someBinaryArithmeticFLOAToperation at line 62. Possible FailurePath: [L62] float x = 0.0f / 0.0f; [L63] float y = 0.0f / 0.0f; [L64] CALL, EXPR fmax_float(x, y) [L45] CALL, EXPR __fpclassify_float(x) VAL [\old(x)=2] [L22] __uint32_t w; VAL [\old(x)=2, x=2] [L25] ieee_float_shape_type gf_u; [L26] EXPR gf_u.value = (x) [L27] EXPR gf_u.word [L27] EXPR (w) = gf_u.word [L24-L28] { ieee_float_shape_type gf_u; gf_u.value = (x); (w) = gf_u.word; } VAL [\old(x)=2, w=2139095041, x=2] [L30] COND FALSE !(w == 0x00000000 || w == 0x80000000) [L32-L33] COND FALSE !((w >= 0x00800000 && w <= 0x7f7fffff) || (w >= 0x80800000 && w <= 0xff7fffff)) [L35-L36] COND FALSE !((w >= 0x00000001 && w <= 0x007fffff) || (w >= 0x80000001 && w <= 0x807fffff)) [L38] COND FALSE !(w == 0x7f800000 || w == 0xff800000) [L41] return 0; [L45] RET, EXPR __fpclassify_float(x) VAL [\old(x)=2, \old(y)=3, x=2, y=3] [L45] COND TRUE __fpclassify_float(x) == 0 [L46] return y; VAL [\old(x)=2, \old(y)=3, \result=3, x=2, y=3] [L64] RET, EXPR fmax_float(x, y) [L64] float res = fmax_float(x, y); [L66] CALL, EXPR isnan_float(res) [L56] return x != x; [L66] RET, EXPR isnan_float(res) [L66] COND TRUE !isnan_float(res) [L67] reach_error() VAL [res=3, x=2, y=3] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 94.4MB. Free memory is still 41.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 373.80ms. Allocated memory is still 157.3MB. Free memory was 110.9MB in the beginning and 100.0MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 59.48ms. Allocated memory is still 157.3MB. Free memory was 99.5MB in the beginning and 98.3MB in the end (delta: 1.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.55ms. Allocated memory is still 157.3MB. Free memory was 98.3MB in the beginning and 96.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 650.54ms. Allocated memory is still 157.3MB. Free memory was 96.9MB in the beginning and 79.0MB in the end (delta: 17.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * CodeCheck took 799.42ms. Allocated memory was 157.3MB in the beginning and 195.0MB in the end (delta: 37.7MB). Free memory was 79.0MB in the beginning and 148.0MB in the end (delta: -69.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.35ms. Allocated memory is still 195.0MB. Free memory is still 148.0MB. 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~ret5 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:12:07,309 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/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_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1250.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi --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 b1947c2cfa9d661d99206b001fd8998d6aae9b547d6aa58efd3f1b0fdfd07645 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:10,554 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:10,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:12:10,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:10,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:10,702 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:10,703 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:10,704 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:10,705 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:10,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:10,707 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:10,708 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:10,708 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:10,709 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:10,710 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:10,711 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:10,712 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:12:10,713 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:12:10,713 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:12:10,714 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:10,715 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:10,716 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:10,717 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:10,717 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:10,718 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:10,719 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:10,720 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:10,720 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:10,721 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:10,722 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:10,722 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:10,723 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:10,723 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:12:10,724 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:10,725 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:10,725 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:12:10,726 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:12:10,726 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_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b1947c2cfa9d661d99206b001fd8998d6aae9b547d6aa58efd3f1b0fdfd07645 [2023-11-24 22:12:11,223 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:11,267 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:11,271 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:11,273 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:11,273 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:11,276 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2023-11-24 22:12:15,117 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:12:15,345 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:12:15,346 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/sv-benchmarks/c/float-newlib/float_req_bl_1250.c [2023-11-24 22:12:15,354 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/data/96f75ffba/c431613e73b8403c90e2341b79ec8f17/FLAGdfaa2482d [2023-11-24 22:12:15,372 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/data/96f75ffba/c431613e73b8403c90e2341b79ec8f17 [2023-11-24 22:12:15,375 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:12:15,378 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:12:15,380 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:15,380 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:12:15,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:12:15,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cd566bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15, skipping insertion in model container [2023-11-24 22:12:15,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,418 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:12:15,664 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_e5033d8a-88ba-4734-b030-753c58179bb7/sv-benchmarks/c/float-newlib/float_req_bl_1250.c[1719,1732] [2023-11-24 22:12:15,669 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:15,691 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:12:15,740 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_e5033d8a-88ba-4734-b030-753c58179bb7/sv-benchmarks/c/float-newlib/float_req_bl_1250.c[1719,1732] [2023-11-24 22:12:15,741 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:12:15,766 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:12:15,766 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15 WrapperNode [2023-11-24 22:12:15,767 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:12:15,768 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:15,768 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:12:15,769 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:12:15,777 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,803 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,834 INFO L138 Inliner]: procedures = 20, calls = 15, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 43 [2023-11-24 22:12:15,835 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:12:15,836 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:12:15,836 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:12:15,837 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:12:15,846 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,847 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,858 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,859 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,878 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,903 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,906 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:12:15,907 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:12:15,907 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:12:15,908 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:12:15,908 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:12:15" (1/1) ... [2023-11-24 22:12:15,917 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:15,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:12:15,954 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:12:15,983 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:12:16,005 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:12:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:12:16,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 22:12:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_float [2023-11-24 22:12:16,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_float [2023-11-24 22:12:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 22:12:16,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:12:16,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:12:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-11-24 22:12:16,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 22:12:16,109 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:12:16,111 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:12:16,333 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:12:16,479 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:12:16,480 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:12:16,482 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:16 BoogieIcfgContainer [2023-11-24 22:12:16,482 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:12:16,483 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:12:16,483 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:12:16,495 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:12:16,496 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:16" (1/1) ... [2023-11-24 22:12:16,506 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:12:16,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:16,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 16 states and 20 transitions. [2023-11-24 22:12:16,571 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 20 transitions. [2023-11-24 22:12:16,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-24 22:12:16,578 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:16,579 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:16,580 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:16,585 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:16,586 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:12:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:16,741 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:12:16,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:16,774 INFO L262 TraceCheckSpWp]: Trace formula consists of 37 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 22:12:16,779 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:16,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:16,810 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:12:16,813 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:12:16,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:16,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-11-24 22:12:16,880 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-11-24 22:12:16,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-11-24 22:12:16,881 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:16,882 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:16,882 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:16,883 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:16,922 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 22:12:17,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:17,120 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:12:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:17,165 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-24 22:12:17,168 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:17,393 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 22:12:17,395 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:12:17,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-11-24 22:12:17,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:17,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 18 states and 20 transitions. [2023-11-24 22:12:17,765 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 20 transitions. [2023-11-24 22:12:17,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-11-24 22:12:17,766 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:12:17,766 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:12:17,767 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:12:17,769 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:12:17,800 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 22:12:18,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:18,133 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:12:18,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:12:18,207 INFO L262 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 11 conjunts are in the unsatisfiable core [2023-11-24 22:12:18,210 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 22:12:18,449 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2023-11-24 22:12:18,452 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 22:12:18,458 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-11-24 22:12:19,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:12:19,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 14 states and 15 transitions. [2023-11-24 22:12:19,069 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2023-11-24 22:12:19,070 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-11-24 22:12:19,070 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 4 iterations. [2023-11-24 22:12:19,081 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-11-24 22:12:19,128 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:19,131 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:19,132 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-11-24 22:12:19,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:12:19 ImpRootNode [2023-11-24 22:12:19,133 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:12:19,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:12:19,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:12:19,135 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:12:19,135 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:12:16" (3/4) ... [2023-11-24 22:12:19,139 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-11-24 22:12:19,144 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __fpclassify_float [2023-11-24 22:12:19,153 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 21 nodes and edges [2023-11-24 22:12:19,153 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2023-11-24 22:12:19,154 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-11-24 22:12:19,155 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-11-24 22:12:19,318 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/witness.graphml [2023-11-24 22:12:19,319 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/witness.yml [2023-11-24 22:12:19,319 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:12:19,320 INFO L158 Benchmark]: Toolchain (without parser) took 3942.44ms. Allocated memory is still 90.2MB. Free memory was 66.2MB in the beginning and 67.0MB in the end (delta: -782.6kB). Peak memory consumption was 36.8MB. Max. memory is 16.1GB. [2023-11-24 22:12:19,321 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:19,321 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.41ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 54.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:12:19,324 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.38ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 52.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:12:19,325 INFO L158 Benchmark]: Boogie Preprocessor took 70.48ms. Allocated memory is still 90.2MB. Free memory was 52.9MB in the beginning and 51.3MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-11-24 22:12:19,325 INFO L158 Benchmark]: RCFGBuilder took 575.14ms. Allocated memory is still 90.2MB. Free memory was 51.3MB in the beginning and 55.0MB in the end (delta: -3.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:12:19,326 INFO L158 Benchmark]: CodeCheck took 2649.54ms. Allocated memory is still 90.2MB. Free memory was 55.0MB in the beginning and 35.9MB in the end (delta: 19.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. [2023-11-24 22:12:19,327 INFO L158 Benchmark]: Witness Printer took 184.90ms. Allocated memory is still 90.2MB. Free memory was 35.9MB in the beginning and 67.0MB in the end (delta: -31.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2023-11-24 22:12:19,329 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 2 procedures, 16 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.6s, OverallIterations: 4, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 97 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3 mSDsluCounter, 59 SdHoareTripleChecker+Invalid, 0.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 16 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 56 IncrementalHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 16 mSolverCounterUnsat, 56 mSDtfsCounter, 56 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 272 GetRequests, 262 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 36 ConstructedInterpolants, 8 QuantifiedInterpolants, 116 SizeOfPredicates, 17 NumberOfNonLiveVariables, 158 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 5/5 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: 67]: 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: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 58.7MB. Free memory was 34.7MB in the beginning and 34.6MB in the end (delta: 97.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.41ms. Allocated memory is still 90.2MB. Free memory was 66.0MB in the beginning and 54.5MB in the end (delta: 11.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.38ms. Allocated memory is still 90.2MB. Free memory was 54.3MB in the beginning and 52.9MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 70.48ms. Allocated memory is still 90.2MB. Free memory was 52.9MB in the beginning and 51.3MB in the end (delta: 1.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 575.14ms. Allocated memory is still 90.2MB. Free memory was 51.3MB in the beginning and 55.0MB in the end (delta: -3.7MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * CodeCheck took 2649.54ms. Allocated memory is still 90.2MB. Free memory was 55.0MB in the beginning and 35.9MB in the end (delta: 19.1MB). Peak memory consumption was 20.2MB. Max. memory is 16.1GB. * Witness Printer took 184.90ms. Allocated memory is still 90.2MB. Free memory was 35.9MB in the beginning and 67.0MB in the end (delta: -31.0MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2023-11-24 22:12:19,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e5033d8a-88ba-4734-b030-753c58179bb7/bin/ukojak-verify-afCqCEvfdi/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