./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.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_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/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_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/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_bdc3f458-8f91-4361-a93a-18075effdada/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 05e2baf38cd0eae96e398823454df9c6d2eba699137545e6490e497cf90c6efe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:34:08,828 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:34:08,906 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:34:08,910 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:34:08,911 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:34:08,946 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:34:08,946 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:34:08,947 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:34:08,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:34:08,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:34:08,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:34:08,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:34:08,950 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:34:08,950 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:34:08,951 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:34:08,951 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:34:08,952 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:34:08,952 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:34:08,953 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:34:08,953 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:34:08,953 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:34:08,954 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:34:08,954 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:34:08,955 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:34:08,955 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:34:08,956 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:34:08,956 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:34:08,958 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:34:08,958 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:34:08,958 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:34:08,959 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:34:08,959 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:34:08,959 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:34:08,960 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_bdc3f458-8f91-4361-a93a-18075effdada/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e2baf38cd0eae96e398823454df9c6d2eba699137545e6490e497cf90c6efe [2023-12-03 02:34:09,168 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:34:09,188 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:34:09,190 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:34:09,192 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:34:09,192 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:34:09,193 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2023-12-03 02:34:11,923 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:34:12,124 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:34:12,125 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2023-12-03 02:34:12,134 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/data/f9fd058e4/45002cf5006849a781f9d1ef98806536/FLAGeb19e7b42 [2023-12-03 02:34:12,151 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/data/f9fd058e4/45002cf5006849a781f9d1ef98806536 [2023-12-03 02:34:12,154 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:34:12,156 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:34:12,157 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:34:12,157 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:34:12,163 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:34:12,163 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,165 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4214d533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12, skipping insertion in model container [2023-12-03 02:34:12,165 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,194 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:34:12,395 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_bdc3f458-8f91-4361-a93a-18075effdada/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c[3225,3238] [2023-12-03 02:34:12,399 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:34:12,410 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:34:12,449 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_bdc3f458-8f91-4361-a93a-18075effdada/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c[3225,3238] [2023-12-03 02:34:12,450 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:34:12,466 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:34:12,466 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12 WrapperNode [2023-12-03 02:34:12,466 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:34:12,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:34:12,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:34:12,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:34:12,476 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,489 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,522 INFO L138 Inliner]: procedures = 17, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 324 [2023-12-03 02:34:12,523 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:34:12,524 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:34:12,524 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:34:12,524 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:34:12,533 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,538 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,549 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,556 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,566 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:34:12,567 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:34:12,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:34:12,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:34:12,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:12" (1/1) ... [2023-12-03 02:34:12,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:34:12,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:34:12,598 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:34:12,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:34:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:34:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:34:12,631 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:34:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-03 02:34:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-03 02:34:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-03 02:34:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:34:12,632 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:34:12,632 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-03 02:34:12,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:34:12,732 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:34:12,734 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:34:13,171 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:34:13,566 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:34:13,566 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-12-03 02:34:13,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:34:13 BoogieIcfgContainer [2023-12-03 02:34:13,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:34:13,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:34:13,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:34:13,580 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:34:13,580 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:34:13" (1/1) ... [2023-12-03 02:34:13,589 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:34:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:13,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2023-12-03 02:34:13,647 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2023-12-03 02:34:13,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:34:13,650 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:13,651 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:13,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:13,791 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 02:34:13,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:13,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 30 states and 44 transitions. [2023-12-03 02:34:13,814 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 44 transitions. [2023-12-03 02:34:13,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-03 02:34:13,814 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:13,815 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:34:13,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:34:13,851 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:34:13,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:34:13,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:34:13,925 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-03 02:34:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-03 02:34:13,992 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-03 02:34:14,016 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~nondet6 could not be translated [2023-12-03 02:34:14,018 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression #t~short29 could not be translated [2023-12-03 02:34:14,022 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:34:14 ImpRootNode [2023-12-03 02:34:14,022 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:34:14,023 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:34:14,023 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:34:14,023 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:34:14,024 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:34:13" (3/4) ... [2023-12-03 02:34:14,026 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-03 02:34:14,027 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:34:14,028 INFO L158 Benchmark]: Toolchain (without parser) took 1871.75ms. Allocated memory is still 155.2MB. Free memory was 124.2MB in the beginning and 118.3MB in the end (delta: 5.8MB). Peak memory consumption was 5.1MB. Max. memory is 16.1GB. [2023-12-03 02:34:14,028 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 107.0MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:34:14,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 309.54ms. Allocated memory is still 155.2MB. Free memory was 124.2MB in the beginning and 111.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:34:14,030 INFO L158 Benchmark]: Boogie Procedure Inliner took 55.49ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 108.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-03 02:34:14,030 INFO L158 Benchmark]: Boogie Preprocessor took 43.01ms. Allocated memory is still 155.2MB. Free memory was 108.2MB in the beginning and 105.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:34:14,031 INFO L158 Benchmark]: RCFGBuilder took 1000.66ms. Allocated memory is still 155.2MB. Free memory was 105.4MB in the beginning and 66.1MB in the end (delta: 39.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2023-12-03 02:34:14,032 INFO L158 Benchmark]: CodeCheck took 453.33ms. Allocated memory is still 155.2MB. Free memory was 66.1MB in the beginning and 119.3MB in the end (delta: -53.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:34:14,032 INFO L158 Benchmark]: Witness Printer took 4.10ms. Allocated memory is still 155.2MB. Free memory is still 118.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:34:14,036 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, 30 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 25 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 13 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, 13 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 57 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 7 ConstructedInterpolants, 0 QuantifiedInterpolants, 7 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: 156]: 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 someUnaryDOUBLEoperation at line 151, overapproximation of bitwiseAnd at line 34, overapproximation of someBinaryArithmeticDOUBLEoperation at line 35, overapproximation of someBinaryDOUBLEComparisonOperation at line 155. Possible FailurePath: [L19] static const double one_sqrt = 1.0, tiny_sqrt = 1.0e-300; [L151] double x = -0.0; [L152] CALL, EXPR __ieee754_sqrt(x) [L22] double z; [L23] __int32_t sign = 0x80000000; [L24] __uint32_t r, t1, s1, ix1, q1; [L25] __int32_t ix0, s0, q, m, t, i; VAL [\old(x)=2, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L28] ieee_double_shape_type ew_u; [L29] EXPR ew_u.value = (x) [L30] EXPR ew_u.parts.msw [L30] EXPR (ix0) = ew_u.parts.msw [L31] EXPR ew_u.parts.lsw [L31] EXPR (ix1) = ew_u.parts.lsw [L27-L32] { 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=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L34] EXPR ix0 & 0x7ff00000 VAL [\old(x)=2, ix0=2146435072, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L34] COND TRUE (ix0 & 0x7ff00000) == 0x7ff00000 [L35] return x * x + x; VAL [\old(x)=2, ix0=2146435072, ix1=7, one_sqrt=1, sign=-2147483648, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L152] RET, EXPR __ieee754_sqrt(x) [L152] double res = __ieee754_sqrt(x); [L155] EXPR res == -0.0 && __signbit_double(res) == 1 VAL [one_sqrt=1, res=5, tiny_sqrt=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=2] [L155] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L156] 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 0.18ms. Allocated memory is still 107.0MB. Free memory is still 72.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 309.54ms. Allocated memory is still 155.2MB. Free memory was 124.2MB in the beginning and 111.1MB in the end (delta: 13.1MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 55.49ms. Allocated memory is still 155.2MB. Free memory was 111.1MB in the beginning and 108.2MB in the end (delta: 2.9MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 43.01ms. Allocated memory is still 155.2MB. Free memory was 108.2MB in the beginning and 105.4MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1000.66ms. Allocated memory is still 155.2MB. Free memory was 105.4MB in the beginning and 66.1MB in the end (delta: 39.4MB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. * CodeCheck took 453.33ms. Allocated memory is still 155.2MB. Free memory was 66.1MB in the beginning and 119.3MB in the end (delta: -53.2MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.10ms. Allocated memory is still 155.2MB. Free memory is still 118.3MB. 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~nondet6 could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression #t~short29 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 02:34:14,057 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/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_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/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_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/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_bdc3f458-8f91-4361-a93a-18075effdada/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 05e2baf38cd0eae96e398823454df9c6d2eba699137545e6490e497cf90c6efe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:34:16,023 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:34:16,102 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-03 02:34:16,131 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:34:16,132 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:34:16,132 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:34:16,133 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:34:16,134 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:34:16,134 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:34:16,135 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:34:16,135 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:34:16,136 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:34:16,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:34:16,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:34:16,138 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:34:16,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:34:16,139 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-03 02:34:16,139 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-03 02:34:16,140 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-03 02:34:16,140 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:34:16,141 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:34:16,141 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:34:16,142 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:34:16,142 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:34:16,143 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:34:16,143 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:16,144 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-03 02:34:16,144 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:34:16,145 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:34:16,145 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:34:16,146 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:34:16,146 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:34:16,146 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-03 02:34:16,147 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:16,147 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:34:16,148 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-03 02:34:16,148 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-03 02:34:16,148 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_bdc3f458-8f91-4361-a93a-18075effdada/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 05e2baf38cd0eae96e398823454df9c6d2eba699137545e6490e497cf90c6efe [2023-12-03 02:34:16,457 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:34:16,477 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:34:16,479 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:34:16,481 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:34:16,481 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:34:16,483 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2023-12-03 02:34:19,253 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:34:19,472 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:34:19,473 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c [2023-12-03 02:34:19,482 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/data/1a63bfef8/5731a31f46f449549e96b0334246fd15/FLAGa7ecfd4d4 [2023-12-03 02:34:19,496 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/data/1a63bfef8/5731a31f46f449549e96b0334246fd15 [2023-12-03 02:34:19,498 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:34:19,500 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:34:19,501 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:34:19,502 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:34:19,507 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:34:19,507 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c8febf5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19, skipping insertion in model container [2023-12-03 02:34:19,509 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,537 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:34:19,725 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_bdc3f458-8f91-4361-a93a-18075effdada/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c[3225,3238] [2023-12-03 02:34:19,730 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:34:19,745 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:34:19,783 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_bdc3f458-8f91-4361-a93a-18075effdada/sv-benchmarks/c/float-newlib/double_req_bl_0730b.c[3225,3238] [2023-12-03 02:34:19,784 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:34:19,802 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:34:19,803 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19 WrapperNode [2023-12-03 02:34:19,803 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:34:19,804 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:34:19,804 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:34:19,804 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:34:19,811 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,824 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,852 INFO L138 Inliner]: procedures = 20, calls = 23, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 182 [2023-12-03 02:34:19,853 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:34:19,854 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:34:19,854 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:34:19,854 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:34:19,863 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,863 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,869 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,870 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,883 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,889 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,892 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,895 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:34:19,902 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:34:19,902 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:34:19,902 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:34:19,903 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:34:19" (1/1) ... [2023-12-03 02:34:19,910 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:34:19,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:34:19,933 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:34:19,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:34:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:34:20,006 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2023-12-03 02:34:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2023-12-03 02:34:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-03 02:34:20,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-03 02:34:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-03 02:34:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:34:20,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:34:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-03 02:34:20,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-03 02:34:20,104 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:34:20,107 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:34:25,601 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:34:25,762 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:34:25,762 INFO L309 CfgBuilder]: Removed 10 assume(true) statements. [2023-12-03 02:34:25,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:34:25 BoogieIcfgContainer [2023-12-03 02:34:25,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:34:25,765 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:34:25,765 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:34:25,775 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:34:25,775 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:34:25" (1/1) ... [2023-12-03 02:34:25,784 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:34:25,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:25,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2023-12-03 02:34:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2023-12-03 02:34:25,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2023-12-03 02:34:25,841 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:25,841 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:25,841 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:25,843 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:25,844 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-03 02:34:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:26,039 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:26,060 INFO L262 TraceCheckSpWp]: Trace formula consists of 27 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:34:26,063 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:26,077 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 02:34:26,081 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-03 02:34:26,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:26,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 27 states and 40 transitions. [2023-12-03 02:34:26,110 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 40 transitions. [2023-12-03 02:34:26,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2023-12-03 02:34:26,111 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:26,111 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:26,111 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:26,112 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:26,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-03 02:34:26,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:26,560 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:26,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:26,724 INFO L262 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 9 conjunts are in the unsatisfiable core [2023-12-03 02:34:26,727 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:26,919 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 02:34:26,925 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-03 02:34:30,328 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.04s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:34:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 27 states and 39 transitions. [2023-12-03 02:34:30,503 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 39 transitions. [2023-12-03 02:34:30,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-12-03 02:34:30,503 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:30,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:30,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:30,504 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:30,505 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-03 02:34:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:30,722 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:30,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:30,746 INFO L262 TraceCheckSpWp]: Trace formula consists of 43 conjuncts, 7 conjunts are in the unsatisfiable core [2023-12-03 02:34:30,747 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:30,975 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 02:34:30,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-03 02:34:37,806 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-03 02:34:49,069 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 11.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:34:50,942 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.87s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2023-12-03 02:34:51,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:51,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 29 states and 42 transitions. [2023-12-03 02:34:51,289 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 42 transitions. [2023-12-03 02:34:51,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-03 02:34:51,290 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:51,291 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:51,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:51,292 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:51,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-03 02:34:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:52,048 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:53,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:53,057 INFO L262 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-03 02:34:53,060 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:53,640 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 02:34:53,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-03 02:34:55,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:55,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 16 states and 17 transitions. [2023-12-03 02:34:55,666 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 17 transitions. [2023-12-03 02:34:55,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2023-12-03 02:34:55,666 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:55,667 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:55,667 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:55,668 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:55,669 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-03 02:34:55,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:55,886 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:55,907 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-03 02:34:55,908 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:55,909 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 02:34:55,912 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-03 02:34:55,913 ERROR L418 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Exception during sending of exit command (exit): Broken pipe [2023-12-03 02:34:55,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:55,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 16 states and 15 transitions. [2023-12-03 02:34:55,919 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 15 transitions. [2023-12-03 02:34:55,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2023-12-03 02:34:55,919 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:34:55,919 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-03 02:34:55,920 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-03 02:34:55,921 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-03 02:34:55,923 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-03 02:34:56,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:56,230 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-03 02:34:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:34:56,255 INFO L262 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 16 conjunts are in the unsatisfiable core [2023-12-03 02:34:56,256 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-03 02:34:57,044 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 02:34:57,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2023-12-03 02:34:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:34:58,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 14 states and 13 transitions. [2023-12-03 02:34:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 13 transitions. [2023-12-03 02:34:58,554 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-03 02:34:58,554 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2023-12-03 02:34:58,561 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-03 02:34:58,861 INFO L560 CodeCheckObserver]: Invariant with dag size 8 [2023-12-03 02:34:58,865 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-03 02:34:58,866 INFO L560 CodeCheckObserver]: Invariant with dag size 4 [2023-12-03 02:34:58,866 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-03 02:34:58,866 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-03 02:34:58,867 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-12-03 02:34:58,871 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_19 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_19[63:63], v_skolemized_q#valueAsBitvector_19[62:52], v_skolemized_q#valueAsBitvector_19[51:0]) == ~fp.neg~64(~Pluszero~64()) && v_skolemized_q#valueAsBitvector_19[63:32] == ~msw~0) could not be translated [2023-12-03 02:34:58,871 INFO L560 CodeCheckObserver]: Invariant with dag size 4 [2023-12-03 02:34:58,871 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: Missing case for function ~Pluszero~64 [2023-12-03 02:34:58,872 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 03.12 02:34:58 ImpRootNode [2023-12-03 02:34:58,872 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-03 02:34:58,873 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-03 02:34:58,873 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-03 02:34:58,873 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-03 02:34:58,874 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:34:25" (3/4) ... [2023-12-03 02:34:58,876 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-03 02:34:58,885 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 36 nodes and edges [2023-12-03 02:34:58,886 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-03 02:34:58,887 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2023-12-03 02:34:58,887 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-03 02:34:59,000 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-03 02:34:59,001 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-03 02:34:59,001 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-03 02:34:59,002 INFO L158 Benchmark]: Toolchain (without parser) took 39502.23ms. Allocated memory is still 88.1MB. Free memory was 64.5MB in the beginning and 57.1MB in the end (delta: 7.4MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2023-12-03 02:34:59,002 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:34:59,003 INFO L158 Benchmark]: CACSL2BoogieTranslator took 302.08ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 50.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-12-03 02:34:59,003 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.29ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 48.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-03 02:34:59,004 INFO L158 Benchmark]: Boogie Preprocessor took 46.77ms. Allocated memory is still 88.1MB. Free memory was 48.5MB in the beginning and 46.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-03 02:34:59,004 INFO L158 Benchmark]: RCFGBuilder took 5862.83ms. Allocated memory is still 88.1MB. Free memory was 46.4MB in the beginning and 63.0MB in the end (delta: -16.6MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. [2023-12-03 02:34:59,004 INFO L158 Benchmark]: CodeCheck took 33107.01ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 63.3MB in the end (delta: -309.4kB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. [2023-12-03 02:34:59,005 INFO L158 Benchmark]: Witness Printer took 128.54ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 57.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-03 02:34:59,007 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, 27 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 32.8s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 4 mSolverCounterUnknown, 231 SdHoareTripleChecker+Valid, 95.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 69 mSDsluCounter, 169 SdHoareTripleChecker+Invalid, 89.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 48 mSDsCounter, 59 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 222 IncrementalHoareTripleChecker+Invalid, 285 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 59 mSolverCounterUnsat, 121 mSDtfsCounter, 222 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 486 GetRequests, 452 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 286 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 61 NumberOfCodeBlocks, 61 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 55 ConstructedInterpolants, 8 QuantifiedInterpolants, 259 SizeOfPredicates, 27 NumberOfNonLiveVariables, 266 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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: 156]: 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: 27]: Loop Invariant Derived loop invariant: (sign == -2147483648) - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 134]: Loop Invariant Derived loop invariant: null * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 60.8MB. Free memory is still 36.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 302.08ms. Allocated memory is still 88.1MB. Free memory was 64.2MB in the beginning and 50.7MB in the end (delta: 13.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.29ms. Allocated memory is still 88.1MB. Free memory was 50.6MB in the beginning and 48.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 46.77ms. Allocated memory is still 88.1MB. Free memory was 48.5MB in the beginning and 46.4MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 5862.83ms. Allocated memory is still 88.1MB. Free memory was 46.4MB in the beginning and 63.0MB in the end (delta: -16.6MB). Peak memory consumption was 24.8MB. Max. memory is 16.1GB. * CodeCheck took 33107.01ms. Allocated memory is still 88.1MB. Free memory was 63.0MB in the beginning and 63.3MB in the end (delta: -309.4kB). Peak memory consumption was 38.9MB. Max. memory is 16.1GB. * Witness Printer took 128.54ms. Allocated memory is still 88.1MB. Free memory was 63.3MB in the beginning and 57.1MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_skolemized_q#valueAsBitvector_19 : bv64 :: ~fp~64(v_skolemized_q#valueAsBitvector_19[63:63], v_skolemized_q#valueAsBitvector_19[62:52], v_skolemized_q#valueAsBitvector_19[51:0]) == ~fp.neg~64(~Pluszero~64()) && v_skolemized_q#valueAsBitvector_19[63:32] == ~msw~0) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Missing case for function ~Pluszero~64 RESULT: Ultimate proved your program to be correct! [2023-12-03 02:34:59,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bdc3f458-8f91-4361-a93a-18075effdada/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE