./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk --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 7fe2b5be2f106b86d52b1d19807d3cd92c046776d3783d222383057baec9ed94 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:46:15,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:46:15,366 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 23:46:15,375 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 23:46:15,376 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 23:46:15,420 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:46:15,421 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:46:15,421 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:46:15,422 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:46:15,422 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:46:15,424 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:46:15,425 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:46:15,426 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:46:15,429 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 23:46:15,429 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:46:15,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:46:15,430 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:46:15,430 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:46:15,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:46:15,431 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:46:15,431 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:46:15,432 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:46:15,436 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:46:15,437 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:46:15,437 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:46:15,438 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:46:15,438 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:46:15,438 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:46:15,438 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:46:15,439 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:46:15,439 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:46:15,440 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 23:46:15,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 23:46:15,440 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_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fe2b5be2f106b86d52b1d19807d3cd92c046776d3783d222383057baec9ed94 [2024-11-08 23:46:15,741 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:46:15,768 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:46:15,771 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:46:15,773 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:46:15,773 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:46:15,775 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c Unable to find full path for "g++" [2024-11-08 23:46:17,731 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:46:17,965 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:46:17,965 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2024-11-08 23:46:17,978 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/data/eccec0a69/4db9e1bbc30046b5856c16e6f87bf245/FLAG5eec0f0c9 [2024-11-08 23:46:17,994 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/data/eccec0a69/4db9e1bbc30046b5856c16e6f87bf245 [2024-11-08 23:46:17,997 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:46:17,999 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:46:18,000 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:18,001 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:46:18,006 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:46:18,007 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:18,009 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@21af2301 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18, skipping insertion in model container [2024-11-08 23:46:18,009 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:17" (1/1) ... [2024-11-08 23:46:18,036 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:46:18,303 WARN L250 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_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2024-11-08 23:46:18,308 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:18,323 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:46:18,371 WARN L250 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_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2024-11-08 23:46:18,372 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:18,403 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:46:18,404 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18 WrapperNode [2024-11-08 23:46:18,404 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:18,405 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:18,405 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:46:18,406 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:46:18,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,436 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,486 INFO L138 Inliner]: procedures = 20, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 308 [2024-11-08 23:46:18,487 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:18,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:46:18,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:46:18,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:46:18,504 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,504 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,509 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,510 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,530 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,542 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,551 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:46:18,555 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:46:18,555 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:46:18,556 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:46:18,557 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:18" (1/1) ... [2024-11-08 23:46:18,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:46:18,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:46:18,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:46:18,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:46:18,636 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:46:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 23:46:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 23:46:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:46:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 23:46:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 23:46:18,637 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-08 23:46:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-08 23:46:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 23:46:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-08 23:46:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-08 23:46:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:46:18,638 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:46:18,638 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 23:46:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-08 23:46:18,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:46:18,809 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:46:18,811 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:46:19,512 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-08 23:46:19,512 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:46:19,797 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:46:19,799 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-08 23:46:19,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:19 BoogieIcfgContainer [2024-11-08 23:46:19,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:46:19,801 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:46:19,801 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:46:19,814 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:46:19,814 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:19" (1/1) ... [2024-11-08 23:46:19,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:46:19,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:19,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 73 states and 118 transitions. [2024-11-08 23:46:19,884 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 118 transitions. [2024-11-08 23:46:19,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:46:19,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:19,886 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:46:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:46:20,216 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:46:20,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:46:20,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 73 states and 113 transitions. [2024-11-08 23:46:20,332 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 113 transitions. [2024-11-08 23:46:20,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:46:20,333 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:46:20,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 23:46:20,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:20,704 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:46:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:21,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:21,153 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 23:46:21,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 23:46:21,403 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 23:46:21,449 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 11:46:21 ImpRootNode [2024-11-08 23:46:21,450 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 23:46:21,450 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 23:46:21,450 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 23:46:21,451 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 23:46:21,452 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:46:19" (3/4) ... [2024-11-08 23:46:21,454 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 23:46:21,455 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 23:46:21,457 INFO L158 Benchmark]: Toolchain (without parser) took 3457.10ms. Allocated memory is still 176.2MB. Free memory was 138.9MB in the beginning and 73.6MB in the end (delta: 65.3MB). Peak memory consumption was 65.8MB. Max. memory is 16.1GB. [2024-11-08 23:46:21,457 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:46:21,458 INFO L158 Benchmark]: CACSL2BoogieTranslator took 403.96ms. Allocated memory is still 176.2MB. Free memory was 138.4MB in the beginning and 121.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 23:46:21,459 INFO L158 Benchmark]: Boogie Procedure Inliner took 81.99ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 119.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 23:46:21,460 INFO L158 Benchmark]: Boogie Preprocessor took 59.65ms. Allocated memory is still 176.2MB. Free memory was 119.1MB in the beginning and 115.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 23:46:21,461 INFO L158 Benchmark]: RCFGBuilder took 1244.68ms. Allocated memory is still 176.2MB. Free memory was 115.8MB in the beginning and 90.0MB in the end (delta: 25.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. [2024-11-08 23:46:21,461 INFO L158 Benchmark]: CodeCheck took 1649.07ms. Allocated memory is still 176.2MB. Free memory was 90.0MB in the beginning and 74.7MB in the end (delta: 15.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-08 23:46:21,462 INFO L158 Benchmark]: Witness Printer took 5.26ms. Allocated memory is still 176.2MB. Free memory was 74.7MB in the beginning and 73.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 23:46:21,466 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 73 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.1s 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, 28 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 97 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, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 262]: 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 bitwiseOr at line 163, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of someBinaryDOUBLEComparisonOperation at line 261. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L253] double x = 0.0; [L254] double y = __VERIFIER_nondet_double(); [L256] COND TRUE y > 0.0 [L258] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=7, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, ix=2147483647, lx=-40123584479232, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=7, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff [L163] EXPR lx | -lx [L163] EXPR ix | ((lx | -lx) >> 31) [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, hy=30280, ix=2147483647, iy=30280, lx=-40123584479232, ly=-40123584479231, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=7, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=2147483647, hy=30280, ix=2147483647, iy=30280, lx=-40123584479232, ly=-40123584479231, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=0, y=7, zero_atan2=0] [L258] RET, EXPR __ieee754_atan2(y, x) [L258] double res = __ieee754_atan2(y, x); [L261] COND TRUE res != pi_o_2 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L262] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 125.8MB. Free memory is still 67.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 403.96ms. Allocated memory is still 176.2MB. Free memory was 138.4MB in the beginning and 121.6MB in the end (delta: 16.8MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 81.99ms. Allocated memory is still 176.2MB. Free memory was 121.6MB in the beginning and 119.1MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.65ms. Allocated memory is still 176.2MB. Free memory was 119.1MB in the beginning and 115.8MB in the end (delta: 3.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1244.68ms. Allocated memory is still 176.2MB. Free memory was 115.8MB in the beginning and 90.0MB in the end (delta: 25.8MB). Peak memory consumption was 27.4MB. Max. memory is 16.1GB. * CodeCheck took 1649.07ms. Allocated memory is still 176.2MB. Free memory was 90.0MB in the beginning and 74.7MB in the end (delta: 15.3MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Witness Printer took 5.26ms. Allocated memory is still 176.2MB. Free memory was 74.7MB in the beginning and 73.6MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 23:46:21,512 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk --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 7fe2b5be2f106b86d52b1d19807d3cd92c046776d3783d222383057baec9ed94 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 23:46:23,892 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 23:46:23,998 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 23:46:24,043 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 23:46:24,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 23:46:24,045 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 23:46:24,046 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 23:46:24,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 23:46:24,048 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 23:46:24,049 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 23:46:24,049 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 23:46:24,050 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 23:46:24,050 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 23:46:24,051 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 23:46:24,051 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 23:46:24,053 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 23:46:24,053 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 23:46:24,054 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 23:46:24,054 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 23:46:24,054 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 23:46:24,055 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 23:46:24,058 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 23:46:24,059 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 23:46:24,059 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 23:46:24,060 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 23:46:24,060 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 23:46:24,060 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:24,061 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 23:46:24,061 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 23:46:24,061 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:46:24,062 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 23:46:24,062 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 23:46:24,062 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 23:46:24,062 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 23:46:24,063 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 23:46:24,063 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 23:46:24,063 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_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7fe2b5be2f106b86d52b1d19807d3cd92c046776d3783d222383057baec9ed94 [2024-11-08 23:46:24,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 23:46:24,467 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 23:46:24,470 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 23:46:24,472 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 23:46:24,473 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 23:46:24,474 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/double_req_bl_0663b.c Unable to find full path for "g++" [2024-11-08 23:46:26,613 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 23:46:26,892 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 23:46:26,892 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c [2024-11-08 23:46:26,906 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/data/ccb165598/e3f8331d6017406ab6c012374a8b8e29/FLAG5c22fff31 [2024-11-08 23:46:27,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/data/ccb165598/e3f8331d6017406ab6c012374a8b8e29 [2024-11-08 23:46:27,198 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 23:46:27,200 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 23:46:27,201 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:27,201 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 23:46:27,206 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 23:46:27,207 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,209 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f8dfb77 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27, skipping insertion in model container [2024-11-08 23:46:27,209 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,237 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 23:46:27,505 WARN L250 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_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2024-11-08 23:46:27,510 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:27,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 23:46:27,586 WARN L250 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_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/sv-benchmarks/c/float-newlib/double_req_bl_0663b.c[6219,6232] [2024-11-08 23:46:27,587 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 23:46:27,626 INFO L204 MainTranslator]: Completed translation [2024-11-08 23:46:27,627 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27 WrapperNode [2024-11-08 23:46:27,627 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 23:46:27,628 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:27,629 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 23:46:27,629 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 23:46:27,636 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,656 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,702 INFO L138 Inliner]: procedures = 23, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 225 [2024-11-08 23:46:27,707 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 23:46:27,707 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 23:46:27,707 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 23:46:27,708 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 23:46:27,719 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,720 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,729 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,732 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,796 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,803 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,815 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 23:46:27,820 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 23:46:27,820 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 23:46:27,820 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 23:46:27,821 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 11:46:27" (1/1) ... [2024-11-08 23:46:27,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 23:46:27,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 23:46:27,864 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 23:46:27,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 23:46:27,909 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 23:46:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-08 23:46:27,910 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-08 23:46:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-08 23:46:27,911 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 23:46:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 23:46:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-08 23:46:27,912 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-08 23:46:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-08 23:46:27,912 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-08 23:46:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-08 23:46:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 23:46:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 23:46:27,913 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 23:46:27,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 23:46:27,915 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 23:46:28,069 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 23:46:28,071 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 23:47:49,267 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-08 23:47:49,267 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 23:47:49,401 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 23:47:49,401 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-08 23:47:49,401 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:49 BoogieIcfgContainer [2024-11-08 23:47:49,404 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 23:47:49,405 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 23:47:49,405 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 23:47:49,415 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 23:47:49,416 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 11:47:49" (1/1) ... [2024-11-08 23:47:49,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 23:47:49,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:49,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 72 states and 117 transitions. [2024-11-08 23:47:49,497 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 117 transitions. [2024-11-08 23:47:49,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 23:47:49,501 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:49,501 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:49,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:49,506 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:49,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 23:47:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:50,510 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:50,615 INFO L255 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:47:50,619 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:50,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:47:50,643 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-08 23:47:52,569 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.82s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:47:52,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:47:52,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 72 states and 112 transitions. [2024-11-08 23:47:52,677 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 112 transitions. [2024-11-08 23:47:52,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 23:47:52,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:47:52,678 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:47:52,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:47:52,681 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:47:52,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 23:47:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:55,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:47:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:47:55,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 23:47:55,360 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:47:56,513 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 8 [2024-11-08 23:47:58,427 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 18 treesize of output 10 [2024-11-08 23:48:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:48:06,668 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-08 23:48:13,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:48:13,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 72 states and 111 transitions. [2024-11-08 23:48:13,519 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 111 transitions. [2024-11-08 23:48:13,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:48:13,520 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:48:13,520 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:48:13,520 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:48:13,522 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:48:13,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 23:48:16,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:16,044 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:48:16,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:48:16,199 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:48:16,201 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:48:37,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:48:37,741 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-08 23:49:01,307 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:49:02,688 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.31s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:49:02,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:49:02,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 69 states and 104 transitions. [2024-11-08 23:49:02,744 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 104 transitions. [2024-11-08 23:49:02,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 23:49:02,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:49:02,746 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:49:02,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:49:02,749 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:49:02,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 23:49:06,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:06,537 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:49:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:49:06,920 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 23:49:06,923 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:49:42,261 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:49:42,275 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-08 23:51:33,862 WARN L286 SmtUtils]: Spent 10.78s on a formula simplification. DAG size of input: 50 DAG size of output: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:52:39,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:54:24,121 WARN L286 SmtUtils]: Spent 10.40s on a formula simplification that was a NOOP. DAG size: 42 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:55:15,059 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:55:22,993 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:24,579 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:25,681 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:31,634 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.95s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:34,198 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.56s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:35,461 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:36,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:40,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:41,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:43,206 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.22s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:44,395 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.19s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:48,315 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:51,236 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.92s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:52,367 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:53,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.57s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:55:58,962 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:56:03,171 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:56:04,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:56:10,650 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.13s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:56:11,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:56:11,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2024-11-08 23:56:11,252 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2024-11-08 23:56:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 23:56:11,255 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:56:11,255 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:56:11,255 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:56:11,258 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:56:11,259 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 23:56:13,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:13,535 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:56:13,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:56:13,630 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:56:13,632 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:56:23,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:56:23,902 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_41da7b3d-35b5-4df8-b45e-3b23bb84d4ee/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 23:59:20,579 WARN L286 SmtUtils]: Spent 14.30s on a formula simplification. DAG size of input: 66 DAG size of output: 55 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:59:33,174 WARN L286 SmtUtils]: Spent 11.04s on a formula simplification that was a NOOP. DAG size: 67 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-08 23:59:50,844 WARN L286 SmtUtils]: Spent 10.16s on a formula simplification that was a NOOP. DAG size: 56 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:00:29,127 WARN L286 SmtUtils]: Spent 12.76s on a formula simplification that was a NOOP. DAG size: 57 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:00:42,476 WARN L286 SmtUtils]: Spent 5.17s on a formula simplification that was a NOOP. DAG size: 40 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:01:02,351 WARN L286 SmtUtils]: Spent 6.97s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-09 00:01:37,886 WARN L286 SmtUtils]: Spent 10.40s on a formula simplification that was a NOOP. DAG size: 41 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)