./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9 --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 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:55:41,413 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:55:41,482 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 03:55:41,487 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 03:55:41,488 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 03:55:41,511 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:55:41,512 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:55:41,512 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:55:41,513 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:55:41,513 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:55:41,514 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:55:41,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:55:41,515 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:55:41,516 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 03:55:41,516 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:55:41,516 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:55:41,517 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:55:41,517 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:55:41,518 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:55:41,518 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:55:41,519 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:55:41,520 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:55:41,520 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:55:41,521 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:55:41,521 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:55:41,522 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:55:41,522 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:55:41,523 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:55:41,523 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:55:41,524 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:55:41,524 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 03:55:41,525 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 03:55:41,525 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:55:41,525 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_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 [2023-12-03 03:55:41,779 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:55:41,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:55:41,803 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:55:41,804 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:55:41,805 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:55:41,806 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2023-12-03 03:55:44,560 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:55:44,715 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:55:44,715 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2023-12-03 03:55:44,722 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/data/a78256657/383ac38fefba4252b79ba5c10e8820fe/FLAG541d5a3f8 [2023-12-03 03:55:44,733 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/data/a78256657/383ac38fefba4252b79ba5c10e8820fe [2023-12-03 03:55:44,735 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:55:44,737 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:55:44,738 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:55:44,738 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:55:44,742 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:55:44,743 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:44,744 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261d503b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44, skipping insertion in model container [2023-12-03 03:55:44,744 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:44,762 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:55:44,908 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_337f9ff1-3ccf-4aca-9d62-30edf3c35870/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c[1145,1158] [2023-12-03 03:55:44,911 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:55:44,919 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:55:44,935 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_337f9ff1-3ccf-4aca-9d62-30edf3c35870/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c[1145,1158] [2023-12-03 03:55:44,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:55:44,948 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:55:44,948 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44 WrapperNode [2023-12-03 03:55:44,948 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:55:44,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:55:44,949 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:55:44,949 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:55:44,955 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:44,963 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:44,979 INFO L138 Inliner]: procedures = 17, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-12-03 03:55:44,980 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:55:44,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:55:44,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:55:44,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:55:44,989 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:44,989 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:44,991 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:44,991 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:44,998 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:45,002 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:45,003 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:45,005 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:45,007 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:55:45,008 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:55:45,008 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:55:45,008 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:55:45,009 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:44" (1/1) ... [2023-12-03 03:55:45,013 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:55:45,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:55:45,038 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:55:45,040 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:55:45,071 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:55:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 03:55:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:55:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 03:55:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 03:55:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 03:55:45,072 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:55:45,073 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:55:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 03:55:45,073 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:55:45,153 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:55:45,156 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:55:45,285 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:55:45,311 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:55:45,312 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 03:55:45,313 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:55:45 BoogieIcfgContainer [2023-12-03 03:55:45,314 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:55:45,315 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:55:45,315 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:55:45,325 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:55:45,326 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:55:45" (1/1) ... [2023-12-03 03:55:45,334 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:55:45,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:45,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-12-03 03:55:45,382 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-12-03 03:55:45,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:55:45,384 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:45,385 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:45,508 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:45,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:45,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 03:55:45,530 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 03:55:45,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:55:45,531 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:45,531 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 03:55:45,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:55:45,571 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:55:45,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:55:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:55:45,652 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 03:55:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 03:55:45,682 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 03:55:45,702 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short9 could not be translated [2023-12-03 03:55:45,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:55:45 ImpRootNode [2023-12-03 03:55:45,706 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:55:45,707 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:55:45,707 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:55:45,707 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:55:45,708 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:55:45" (3/4) ... [2023-12-03 03:55:45,710 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 03:55:45,711 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:55:45,712 INFO L158 Benchmark]: Toolchain (without parser) took 974.75ms. Allocated memory is still 138.4MB. Free memory was 99.8MB in the beginning and 54.6MB in the end (delta: 45.2MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-12-03 03:55:45,712 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:55:45,713 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.90ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 89.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:55:45,713 INFO L158 Benchmark]: Boogie Procedure Inliner took 30.60ms. Allocated memory is still 138.4MB. Free memory was 88.6MB in the beginning and 87.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:55:45,714 INFO L158 Benchmark]: Boogie Preprocessor took 26.71ms. Allocated memory is still 138.4MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:55:45,715 INFO L158 Benchmark]: RCFGBuilder took 306.33ms. Allocated memory is still 138.4MB. Free memory was 85.7MB in the beginning and 73.9MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:55:45,715 INFO L158 Benchmark]: CodeCheck took 391.74ms. Allocated memory is still 138.4MB. Free memory was 73.5MB in the beginning and 54.8MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-12-03 03:55:45,716 INFO L158 Benchmark]: Witness Printer took 4.00ms. Allocated memory is still 138.4MB. Free memory was 54.8MB in the beginning and 54.6MB in the end (delta: 205.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:55:45,719 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 23 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 9 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 3 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 9 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 48 GetRequests, 48 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 16 NumberOfCodeBlocks, 16 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 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: 52]: 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 51. Possible FailurePath: [L47] float x = 0.0f; [L48] CALL, EXPR fabs_float(x) [L15] __uint32_t ix; VAL [\old(x)=0, x=0] [L17] ieee_float_shape_type gf_u; [L18] EXPR gf_u.value = (x) [L19] EXPR gf_u.word [L19] EXPR (ix) = gf_u.word [L16-L20] { ieee_float_shape_type gf_u; gf_u.value = (x); (ix) = gf_u.word; } VAL [\old(x)=0, ix=2147483648, x=0] [L22] ieee_float_shape_type sf_u; [L23] EXPR sf_u.word = (ix & 0x7fffffff) [L24] EXPR sf_u.value [L24] EXPR (x) = sf_u.value [L21-L25] { ieee_float_shape_type sf_u; sf_u.word = (ix & 0x7fffffff); (x) = sf_u.value; } VAL [\old(x)=0, ix=2147483648, x=2] [L26] return x; [L48] RET, EXPR fabs_float(x) [L48] float res = fabs_float(x); [L51] EXPR res == 0.0f && __signbit_float(res) == 0 VAL [res=2, x=0] [L51] COND TRUE !(res == 0.0f && __signbit_float(res) == 0) [L52] reach_error() VAL [res=2, x=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 138.4MB. Free memory is still 109.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.90ms. Allocated memory is still 138.4MB. Free memory was 99.4MB in the beginning and 89.0MB in the end (delta: 10.4MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 30.60ms. Allocated memory is still 138.4MB. Free memory was 88.6MB in the beginning and 87.3MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.71ms. Allocated memory is still 138.4MB. Free memory was 87.3MB in the beginning and 85.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 306.33ms. Allocated memory is still 138.4MB. Free memory was 85.7MB in the beginning and 73.9MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * CodeCheck took 391.74ms. Allocated memory is still 138.4MB. Free memory was 73.5MB in the beginning and 54.8MB in the end (delta: 18.7MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Witness Printer took 4.00ms. Allocated memory is still 138.4MB. Free memory was 54.8MB in the beginning and 54.6MB in the end (delta: 205.4kB). 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~short9 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 [2023-12-03 03:55:45,738 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9 --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 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 03:55:47,653 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 03:55:47,721 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 03:55:47,751 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 03:55:47,752 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 03:55:47,752 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 03:55:47,753 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 03:55:47,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 03:55:47,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 03:55:47,755 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 03:55:47,755 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 03:55:47,756 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 03:55:47,756 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 03:55:47,757 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 03:55:47,757 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 03:55:47,758 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 03:55:47,758 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 03:55:47,759 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 03:55:47,759 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 03:55:47,760 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 03:55:47,760 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 03:55:47,761 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 03:55:47,762 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 03:55:47,762 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 03:55:47,763 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 03:55:47,763 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:47,763 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 03:55:47,764 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 03:55:47,765 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:55:47,765 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 03:55:47,766 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 03:55:47,766 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 03:55:47,766 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 03:55:47,767 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:47,767 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 03:55:47,768 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 03:55:47,768 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 03:55:47,768 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_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 112da6a04a0d664888b974e6cf0a74d18962a27911b7e3a27346d25064b3da05 [2023-12-03 03:55:48,054 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 03:55:48,075 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 03:55:48,078 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 03:55:48,079 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 03:55:48,080 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 03:55:48,081 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2023-12-03 03:55:50,865 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 03:55:51,058 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 03:55:51,059 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c [2023-12-03 03:55:51,066 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/data/970959fce/77601299a2f0457db0abe71bd4634f2a/FLAGe6f6d75f3 [2023-12-03 03:55:51,079 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/data/970959fce/77601299a2f0457db0abe71bd4634f2a [2023-12-03 03:55:51,081 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 03:55:51,082 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 03:55:51,084 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 03:55:51,084 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 03:55:51,088 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 03:55:51,089 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,090 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aa7318a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51, skipping insertion in model container [2023-12-03 03:55:51,090 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,107 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 03:55:51,243 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_337f9ff1-3ccf-4aca-9d62-30edf3c35870/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c[1145,1158] [2023-12-03 03:55:51,246 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:55:51,259 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 03:55:51,278 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_337f9ff1-3ccf-4aca-9d62-30edf3c35870/sv-benchmarks/c/float-newlib/float_req_bl_1011a.c[1145,1158] [2023-12-03 03:55:51,278 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 03:55:51,293 INFO L206 MainTranslator]: Completed translation [2023-12-03 03:55:51,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51 WrapperNode [2023-12-03 03:55:51,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 03:55:51,295 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 03:55:51,295 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 03:55:51,295 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 03:55:51,300 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,309 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,327 INFO L138 Inliner]: procedures = 20, calls = 21, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 72 [2023-12-03 03:55:51,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 03:55:51,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 03:55:51,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 03:55:51,329 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 03:55:51,336 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,336 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,340 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,341 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,350 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,354 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 03:55:51,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 03:55:51,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 03:55:51,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 03:55:51,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 03:55:51,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 03:55:51,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 03:55:51,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 03:55:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 03:55:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 03:55:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 03:55:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-03 03:55:51,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 03:55:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 03:55:51,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 03:55:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-03 03:55:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 03:55:51,428 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 03:55:51,502 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 03:55:51,504 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 03:55:51,679 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 03:55:51,704 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 03:55:51,704 INFO L309 CfgBuilder]: Removed 6 assume(true) statements. [2023-12-03 03:55:51,706 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:55:51 BoogieIcfgContainer [2023-12-03 03:55:51,706 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 03:55:51,707 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 03:55:51,707 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 03:55:51,717 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 03:55:51,717 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:55:51" (1/1) ... [2023-12-03 03:55:51,726 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 03:55:51,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:51,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 15 states and 22 transitions. [2023-12-03 03:55:51,780 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 22 transitions. [2023-12-03 03:55:51,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 03:55:51,782 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:51,783 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:51,783 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:51,813 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:51,814 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 03:55:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:51,906 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:51,925 INFO L262 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:55:51,929 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:51,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:51,950 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:55:51,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 03:55:51,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:51,974 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 15 states and 17 transitions. [2023-12-03 03:55:51,975 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 17 transitions. [2023-12-03 03:55:51,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 03:55:51,975 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:51,975 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:51,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:51,977 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:51,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 03:55:52,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:52,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:52,169 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 15 conjunts are in the unsatisfiable core [2023-12-03 03:55:52,172 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:52,256 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-03 03:55:52,312 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 49 treesize of output 25 [2023-12-03 03:55:52,353 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:52,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 03:55:52,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:52,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 15 states and 16 transitions. [2023-12-03 03:55:52,496 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 16 transitions. [2023-12-03 03:55:52,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 03:55:52,496 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:52,496 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:52,497 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:52,498 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:52,500 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 03:55:52,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:52,604 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:52,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:52,633 INFO L262 TraceCheckSpWp]: Trace formula consists of 53 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 03:55:52,634 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:52,637 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:52,644 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 03:55:52,644 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 03:55:52,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:52,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 15 states and 14 transitions. [2023-12-03 03:55:52,651 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 14 transitions. [2023-12-03 03:55:52,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 03:55:52,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 03:55:52,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 03:55:52,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 03:55:52,654 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 03:55:52,656 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 03:55:52,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:52,838 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 03:55:52,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 03:55:52,876 INFO L262 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 18 conjunts are in the unsatisfiable core [2023-12-03 03:55:52,879 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 03:55:52,890 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 9 [2023-12-03 03:55:53,169 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2023-12-03 03:55:53,169 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 49 [2023-12-03 03:55:53,179 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-03 03:55:53,180 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 50 treesize of output 30 [2023-12-03 03:55:53,310 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 03:55:53,313 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 03:55:54,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 03:55:54,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 13 states and 12 transitions. [2023-12-03 03:55:54,260 INFO L276 IsEmpty]: Start isEmpty. Operand 13 states and 12 transitions. [2023-12-03 03:55:54,260 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 03:55:54,260 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2023-12-03 03:55:54,267 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 03:55:54,318 INFO L560 CodeCheckObserver]: Invariant with dag size 19 [2023-12-03 03:55:54,324 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: (~fp.eq~32(~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]), ~Pluszero~32()) && ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated [2023-12-03 03:55:54,325 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 03:55:54,326 INFO L560 CodeCheckObserver]: Invariant with dag size 17 [2023-12-03 03:55:54,327 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~fp.eq~32(~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0]), ~Pluszero~32()) && ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) == ~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0])) could not be translated [2023-12-03 03:55:54,327 INFO L560 CodeCheckObserver]: Invariant with dag size 3 [2023-12-03 03:55:54,328 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-03 03:55:54,328 INFO L560 CodeCheckObserver]: Invariant with dag size 20 [2023-12-03 03:55:54,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32] && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated [2023-12-03 03:55:54,329 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~32 [2023-12-03 03:55:54,329 INFO L560 CodeCheckObserver]: Invariant with dag size 15 [2023-12-03 03:55:54,330 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13 : bv32 :: #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32] == ~ix~0 && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][22:0]) == ~Pluszero~32()) could not be translated [2023-12-03 03:55:54,330 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 03:55:54 ImpRootNode [2023-12-03 03:55:54,330 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 03:55:54,331 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 03:55:54,331 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 03:55:54,331 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 03:55:54,332 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 03:55:51" (3/4) ... [2023-12-03 03:55:54,333 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 03:55:54,340 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2023-12-03 03:55:54,340 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2023-12-03 03:55:54,340 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2023-12-03 03:55:54,340 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 03:55:54,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 03:55:54,403 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 03:55:54,403 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 03:55:54,404 INFO L158 Benchmark]: Toolchain (without parser) took 3321.38ms. Allocated memory is still 104.9MB. Free memory was 81.0MB in the beginning and 60.1MB in the end (delta: 21.0MB). Peak memory consumption was 22.3MB. Max. memory is 16.1GB. [2023-12-03 03:55:54,404 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 111.9kB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 03:55:54,405 INFO L158 Benchmark]: CACSL2BoogieTranslator took 210.02ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 69.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-12-03 03:55:54,405 INFO L158 Benchmark]: Boogie Procedure Inliner took 32.95ms. Allocated memory is still 104.9MB. Free memory was 69.5MB in the beginning and 67.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:55:54,406 INFO L158 Benchmark]: Boogie Preprocessor took 34.05ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 03:55:54,407 INFO L158 Benchmark]: RCFGBuilder took 343.17ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 78.5MB in the end (delta: -12.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. [2023-12-03 03:55:54,407 INFO L158 Benchmark]: CodeCheck took 2623.63ms. Allocated memory is still 104.9MB. Free memory was 78.5MB in the beginning and 64.2MB in the end (delta: 14.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. [2023-12-03 03:55:54,408 INFO L158 Benchmark]: Witness Printer took 72.28ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 60.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 03:55:54,411 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 2.5s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 123 SdHoareTripleChecker+Valid, 0.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 72 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 18 mSDsCounter, 32 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 87 IncrementalHoareTripleChecker+Invalid, 119 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 32 mSolverCounterUnsat, 54 mSDtfsCounter, 87 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 280 GetRequests, 257 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 1.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 39 NumberOfCodeBlocks, 39 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 35 ConstructedInterpolants, 8 QuantifiedInterpolants, 332 SizeOfPredicates, 16 NumberOfNonLiveVariables, 189 ConjunctsInSsa, 35 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 52]: 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: 32]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 16]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24ms. Allocated memory is still 69.2MB. Free memory was 46.0MB in the beginning and 45.9MB in the end (delta: 111.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 210.02ms. Allocated memory is still 104.9MB. Free memory was 80.8MB in the beginning and 69.5MB in the end (delta: 11.3MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 32.95ms. Allocated memory is still 104.9MB. Free memory was 69.5MB in the beginning and 67.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.05ms. Allocated memory is still 104.9MB. Free memory was 67.9MB in the beginning and 66.4MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 343.17ms. Allocated memory is still 104.9MB. Free memory was 66.1MB in the beginning and 78.5MB in the end (delta: -12.4MB). Peak memory consumption was 10.4MB. Max. memory is 16.1GB. * CodeCheck took 2623.63ms. Allocated memory is still 104.9MB. Free memory was 78.5MB in the beginning and 64.2MB in the end (delta: 14.3MB). Peak memory consumption was 16.1MB. Max. memory is 16.1GB. * Witness Printer took 72.28ms. Allocated memory is still 104.9MB. Free memory was 64.2MB in the beginning and 60.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: (~fp.eq~32(~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]), ~Pluszero~32()) && ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32]) && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~fp.eq~32(~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0]), ~Pluszero~32()) && ~fp~32(~w~0[31:31], ~w~0[30:23], ~w~0[22:0]) == ~fp~32(~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[31:31], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[30:23], ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1)[22:0])) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18 : bv32, ULTIMATE.start_fabs_float_~ix~0#1 : bv32 :: ~bvand~32(2147483647bv32, ULTIMATE.start_fabs_float_~ix~0#1) == #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32] && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#sf_u~0#1.base_18][0bv32][22:0]) == ~x) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~32 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13 : bv32 :: #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32] == ~ix~0 && ~fp~32(#memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][31:31], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][30:23], #memory_int[v_ULTIMATE.start_fabs_float_~#gf_u~0#1.base_13][0bv32][22:0]) == ~Pluszero~32()) could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-03 03:55:54,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_337f9ff1-3ccf-4aca-9d62-30edf3c35870/bin/ukojak-verify-Qdu7aM0XO9/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