./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:02:57,067 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:02:57,148 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:02:57,153 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:02:57,154 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:02:57,184 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:02:57,185 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:02:57,186 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:02:57,187 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:02:57,192 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:02:57,193 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:02:57,194 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:02:57,194 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:02:57,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:02:57,197 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:02:57,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:02:57,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:02:57,198 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:02:57,198 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:02:57,199 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:02:57,199 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:02:57,200 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:02:57,201 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:02:57,202 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:02:57,202 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:02:57,203 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:02:57,203 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:02:57,204 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:02:57,204 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:02:57,204 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:02:57,206 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:02:57,206 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:02:57,206 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:02:57,208 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_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f [2023-11-24 23:02:57,507 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:02:57,538 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:02:57,541 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:02:57,542 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:02:57,544 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:02:57,545 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2023-11-24 23:03:00,710 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:01,001 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:01,002 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2023-11-24 23:03:01,011 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/data/3cbc08ee1/8183ad06ce094972b9aad269aed2fe76/FLAGaf7a0e565 [2023-11-24 23:03:01,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/data/3cbc08ee1/8183ad06ce094972b9aad269aed2fe76 [2023-11-24 23:03:01,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:01,034 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:01,036 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:01,036 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:01,042 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:01,043 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b0ec61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01, skipping insertion in model container [2023-11-24 23:03:01,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,077 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:01,356 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_957372ac-10db-4b4e-a0de-044a8e573ede/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2023-11-24 23:03:01,374 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:01,386 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:01,460 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_957372ac-10db-4b4e-a0de-044a8e573ede/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2023-11-24 23:03:01,467 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:01,488 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:01,488 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01 WrapperNode [2023-11-24 23:03:01,489 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:01,490 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:01,491 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:01,491 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:01,501 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,526 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,582 INFO L138 Inliner]: procedures = 17, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 306 [2023-11-24 23:03:01,594 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:01,595 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:01,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:01,596 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:01,607 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,607 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,624 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,628 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,641 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,670 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,675 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,684 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,690 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:01,695 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:01,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:01,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:01,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:01" (1/1) ... [2023-11-24 23:03:01,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:01,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:01,741 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:01,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:01,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:03:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:03:01,800 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-11-24 23:03:01,801 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:03:01,802 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-11-24 23:03:01,803 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:01,803 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:03:01,804 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:03:01,951 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:01,954 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:02,764 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:03,284 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:03,284 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:03:03,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:03 BoogieIcfgContainer [2023-11-24 23:03:03,287 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:03,288 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:03,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:03,300 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:03,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:03" (1/1) ... [2023-11-24 23:03:03,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:03,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:03,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2023-11-24 23:03:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2023-11-24 23:03:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:03,394 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:03,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:03,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:03,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:03,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:03,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2023-11-24 23:03:03,654 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2023-11-24 23:03:03,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-11-24 23:03:03,655 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:03,655 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:03:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:03,742 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:03,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:03,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:03,906 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 23:03:03,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 23:03:03,980 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-11-24 23:03:04,020 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-11-24 23:03:04,027 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 11:03:04 ImpRootNode [2023-11-24 23:03:04,028 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 23:03:04,028 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 23:03:04,029 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 23:03:04,029 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 23:03:04,030 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:03" (3/4) ... [2023-11-24 23:03:04,033 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 23:03:04,034 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 23:03:04,035 INFO L158 Benchmark]: Toolchain (without parser) took 3000.84ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 131.3MB in the beginning and 155.2MB in the end (delta: -23.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2023-11-24 23:03:04,036 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 71.1MB in the beginning and 71.0MB in the end (delta: 71.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 23:03:04,037 INFO L158 Benchmark]: CACSL2BoogieTranslator took 453.53ms. Allocated memory is still 163.6MB. Free memory was 131.3MB in the beginning and 118.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 23:03:04,038 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.91ms. Allocated memory is still 163.6MB. Free memory was 118.0MB in the beginning and 115.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:04,039 INFO L158 Benchmark]: Boogie Preprocessor took 99.12ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:04,040 INFO L158 Benchmark]: RCFGBuilder took 1592.23ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 113.0MB in the beginning and 178.3MB in the end (delta: -65.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. [2023-11-24 23:03:04,041 INFO L158 Benchmark]: CodeCheck took 739.44ms. Allocated memory is still 213.9MB. Free memory was 178.3MB in the beginning and 156.2MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. [2023-11-24 23:03:04,042 INFO L158 Benchmark]: Witness Printer took 5.80ms. Allocated memory is still 213.9MB. Free memory was 156.2MB in the beginning and 155.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 23:03:04,046 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, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.6s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 21 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 10 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, 10 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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: 147]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 20, overapproximation of someBinaryArithmeticDOUBLEoperation at line 38, overapproximation of bitwiseAnd at line 37. Possible FailurePath: [L22] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L141] double x = 0.0 / 0.0; [L143] CALL, EXPR __ieee754_sqrt(x) [L25] double z; [L26] __int32_t sign = 0x80000000; [L27] __uint32_t r, t1, s1, ix1, q1; [L28] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=2, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L31] ieee_double_shape_type ew_u; [L32] EXPR ew_u.value = (x) [L33] EXPR ew_u.parts.msw [L33] EXPR (ix0) = ew_u.parts.msw [L34] EXPR ew_u.parts.lsw [L34] EXPR (ix1) = ew_u.parts.lsw [L30-L35] { ieee_double_shape_type ew_u; ew_u.value = (x); (ix0) = ew_u.parts.msw; (ix1) = ew_u.parts.lsw; } VAL [\old(x)=2, ix0=2146435072, ix1=10, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L37] EXPR ix0 & 0x7ff00000 VAL [\old(x)=2, ix0=2146435072, ix1=10, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L37] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L38] return x * x + x; VAL [\old(x)=2, ix0=2146435072, ix1=10, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L143] RET, EXPR __ieee754_sqrt(x) [L143] double res = __ieee754_sqrt(x); [L146] CALL, EXPR isnan_double(res) [L20] return x != x; [L146] RET, EXPR isnan_double(res) [L146] COND TRUE !isnan_double(res) [L147] reach_error() VAL [one_sqrt=1, res=5, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 111.1MB. Free memory was 71.1MB in the beginning and 71.0MB in the end (delta: 71.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 453.53ms. Allocated memory is still 163.6MB. Free memory was 131.3MB in the beginning and 118.0MB in the end (delta: 13.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.91ms. Allocated memory is still 163.6MB. Free memory was 118.0MB in the beginning and 115.1MB in the end (delta: 2.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 99.12ms. Allocated memory is still 163.6MB. Free memory was 115.1MB in the beginning and 113.0MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1592.23ms. Allocated memory was 163.6MB in the beginning and 213.9MB in the end (delta: 50.3MB). Free memory was 113.0MB in the beginning and 178.3MB in the end (delta: -65.2MB). Peak memory consumption was 48.2MB. Max. memory is 16.1GB. * CodeCheck took 739.44ms. Allocated memory is still 213.9MB. Free memory was 178.3MB in the beginning and 156.2MB in the end (delta: 22.0MB). Peak memory consumption was 21.0MB. Max. memory is 16.1GB. * Witness Printer took 5.80ms. Allocated memory is still 213.9MB. Free memory was 156.2MB in the beginning and 155.2MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated - GenericResult: Unfinished Backtranslation The program execution was not completely translated back. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 23:03:04,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:03:06,940 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:03:07,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 23:03:07,087 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:03:07,088 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:03:07,089 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:03:07,090 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:03:07,090 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:03:07,091 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:03:07,092 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:03:07,093 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:03:07,093 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:03:07,094 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:03:07,095 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:03:07,095 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:03:07,096 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:03:07,097 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 23:03:07,098 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 23:03:07,098 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 23:03:07,099 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:03:07,099 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:03:07,100 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:03:07,101 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:03:07,102 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:03:07,102 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:03:07,103 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:07,103 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:07,104 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:03:07,104 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:07,105 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:03:07,105 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:03:07,106 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:03:07,106 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 23:03:07,107 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:07,107 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:03:07,108 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 23:03:07,108 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:03:07,109 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_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4e4c2067f061fded3c73bef3417c7b43200911ac0a27c4167dda41245285899f [2023-11-24 23:03:07,523 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:03:07,556 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:03:07,559 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:03:07,561 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:03:07,561 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:03:07,563 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2023-11-24 23:03:10,816 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:03:11,106 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:03:11,109 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/sv-benchmarks/c/float-newlib/double_req_bl_0720.c [2023-11-24 23:03:11,124 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/data/104630f2e/8a451088e37449e6bc58182ceec17aa3/FLAGb4e803362 [2023-11-24 23:03:11,137 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/data/104630f2e/8a451088e37449e6bc58182ceec17aa3 [2023-11-24 23:03:11,139 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:03:11,141 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:03:11,143 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:11,144 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:03:11,148 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:03:11,149 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,150 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b8c8c7c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11, skipping insertion in model container [2023-11-24 23:03:11,151 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,178 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:03:11,397 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_957372ac-10db-4b4e-a0de-044a8e573ede/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2023-11-24 23:03:11,401 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:11,415 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:03:11,451 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_957372ac-10db-4b4e-a0de-044a8e573ede/sv-benchmarks/c/float-newlib/double_req_bl_0720.c[3072,3085] [2023-11-24 23:03:11,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:03:11,471 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:03:11,471 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11 WrapperNode [2023-11-24 23:03:11,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:03:11,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:11,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:03:11,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:03:11,491 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,504 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,550 INFO L138 Inliner]: procedures = 20, calls = 19, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 164 [2023-11-24 23:03:11,553 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:03:11,554 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:03:11,554 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:03:11,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:03:11,566 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,567 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,584 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,586 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,617 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,628 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,637 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,641 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:03:11,647 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:03:11,648 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:03:11,648 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:03:11,649 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:03:11" (1/1) ... [2023-11-24 23:03:11,655 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:03:11,670 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:03:11,690 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:03:11,719 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:03:11,744 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:03:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-11-24 23:03:11,745 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-11-24 23:03:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:03:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:03:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-11-24 23:03:11,746 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:03:11,747 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:03:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-11-24 23:03:11,747 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:03:11,845 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:03:11,848 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:03:18,459 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:03:18,739 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:03:18,740 INFO L309 CfgBuilder]: Removed 8 assume(true) statements. [2023-11-24 23:03:18,743 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:18 BoogieIcfgContainer [2023-11-24 23:03:18,744 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:03:18,746 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:03:18,746 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:03:18,757 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:03:18,758 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:03:18" (1/1) ... [2023-11-24 23:03:18,770 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:03:18,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:18,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 23 states and 36 transitions. [2023-11-24 23:03:18,858 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 36 transitions. [2023-11-24 23:03:18,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-24 23:03:18,863 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:18,864 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:18,864 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:18,867 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:18,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 23:03:19,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:19,141 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:03:19,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:19,179 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-24 23:03:19,185 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:19,213 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:19,216 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:03:19,219 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-11-24 23:03:19,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:03:19,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 23 states and 33 transitions. [2023-11-24 23:03:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 33 transitions. [2023-11-24 23:03:19,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-11-24 23:03:19,291 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:03:19,292 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:03:19,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:03:19,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:03:19,297 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-11-24 23:03:19,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:19,936 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:03:20,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:03:20,297 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:03:20,299 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:03:20,754 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:03:20,766 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2023-11-24 23:03:24,235 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:03:30,954 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.72s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-11-24 23:03:37,739 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.38s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:03:44,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.43s for a HTC check with result VALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:03:47,725 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:03:56,299 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:04:01,380 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.08s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-11-24 23:04:01,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:04:01,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 25 states and 37 transitions. [2023-11-24 23:04:01,957 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 37 transitions. [2023-11-24 23:04:01,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-11-24 23:04:01,958 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:04:01,958 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:04:01,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:04:01,960 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:04:01,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-11-24 23:04:02,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:02,233 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 23:04:02,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:04:02,269 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 9 conjunts are in the unsatisfiable core [2023-11-24 23:04:02,271 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-24 23:04:03,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:04:03,286 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Exception during sending of exit command (exit): Broken pipe [2023-11-24 23:04:03,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_957372ac-10db-4b4e-a0de-044a8e573ede/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0