./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0686a.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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/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 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:39:26,881 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:39:26,943 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-02 21:39:26,947 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-02 21:39:26,948 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-02 21:39:26,969 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:39:26,970 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:39:26,971 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:39:26,971 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:39:26,972 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:39:26,972 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:39:26,973 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:39:26,973 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:39:26,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-02 21:39:26,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:39:26,975 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:39:26,975 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:39:26,976 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:39:26,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:39:26,977 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:39:26,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:39:26,978 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:39:26,978 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:39:26,979 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:39:26,979 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:39:26,980 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:39:26,980 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:39:26,981 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:39:26,981 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:39:26,981 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:39:26,982 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-02 21:39:26,982 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-02 21:39:26,982 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:39:26,983 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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d [2023-12-02 21:39:27,213 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:39:27,233 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:39:27,235 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:39:27,237 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:39:27,237 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:39:27,238 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2023-12-02 21:39:30,000 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:39:30,167 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:39:30,167 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2023-12-02 21:39:30,176 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/data/69c23dc1b/dcc0fb892b8f4e9885b3faeef932875c/FLAG5736aef33 [2023-12-02 21:39:30,189 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/data/69c23dc1b/dcc0fb892b8f4e9885b3faeef932875c [2023-12-02 21:39:30,191 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:39:30,192 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:39:30,193 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:39:30,193 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:39:30,197 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:39:30,198 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,199 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@75d35147 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30, skipping insertion in model container [2023-12-02 21:39:30,199 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,224 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:39:30,389 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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c[5265,5278] [2023-12-02 21:39:30,393 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:39:30,405 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:39:30,451 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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c[5265,5278] [2023-12-02 21:39:30,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:39:30,471 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:39:30,472 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30 WrapperNode [2023-12-02 21:39:30,472 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:39:30,473 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:39:30,473 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:39:30,473 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:39:30,480 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,492 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,521 INFO L138 Inliner]: procedures = 19, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 232 [2023-12-02 21:39:30,522 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:39:30,523 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:39:30,523 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:39:30,523 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:39:30,532 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,533 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,537 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,538 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,551 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,557 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,559 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,562 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,567 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:39:30,568 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:39:30,568 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:39:30,568 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:39:30,569 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:30" (1/1) ... [2023-12-02 21:39:30,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:39:30,586 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:39:30,597 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:39:30,602 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:39:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:39:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-02 21:39:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:39:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2023-12-02 21:39:30,633 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-12-02 21:39:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2023-12-02 21:39:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-12-02 21:39:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-12-02 21:39:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:39:30,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:39:30,634 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-12-02 21:39:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2023-12-02 21:39:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-12-02 21:39:30,635 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-12-02 21:39:30,635 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:39:30,740 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:39:30,743 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:39:31,074 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:39:31,166 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:39:31,167 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-02 21:39:31,168 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:39:31 BoogieIcfgContainer [2023-12-02 21:39:31,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:39:31,169 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:39:31,169 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:39:31,179 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:39:31,180 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:39:31" (1/1) ... [2023-12-02 21:39:31,188 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:39:31,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2023-12-02 21:39:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2023-12-02 21:39:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:39:31,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:31,240 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:31,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:39:31,422 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:39:31,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:39:31,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2023-12-02 21:39:31,447 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2023-12-02 21:39:31,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:39:31,448 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:39:31,448 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-02 21:39:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:39:31,521 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:39:31,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:39:31,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:39:31,645 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-12-02 21:39:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-12-02 21:39:31,702 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2023-12-02 21:39:31,735 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:39:31 ImpRootNode [2023-12-02 21:39:31,735 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:39:31,736 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:39:31,736 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:39:31,736 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:39:31,737 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:39:31" (3/4) ... [2023-12-02 21:39:31,739 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-12-02 21:39:31,740 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:39:31,741 INFO L158 Benchmark]: Toolchain (without parser) took 1548.57ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 117.6MB in the beginning and 141.8MB in the end (delta: -24.3MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2023-12-02 21:39:31,742 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 157.3MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:39:31,743 INFO L158 Benchmark]: CACSL2BoogieTranslator took 279.09ms. Allocated memory is still 157.3MB. Free memory was 117.6MB in the beginning and 103.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:39:31,743 INFO L158 Benchmark]: Boogie Procedure Inliner took 49.09ms. Allocated memory is still 157.3MB. Free memory was 103.3MB in the beginning and 100.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:39:31,744 INFO L158 Benchmark]: Boogie Preprocessor took 44.51ms. Allocated memory is still 157.3MB. Free memory was 100.8MB in the beginning and 98.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:39:31,745 INFO L158 Benchmark]: RCFGBuilder took 600.54ms. Allocated memory is still 157.3MB. Free memory was 98.1MB in the beginning and 63.5MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-12-02 21:39:31,745 INFO L158 Benchmark]: CodeCheck took 566.02ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 63.5MB in the beginning and 141.8MB in the end (delta: -78.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:39:31,746 INFO L158 Benchmark]: Witness Printer took 4.33ms. Allocated memory is still 192.9MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:39:31,749 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 43 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 28 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 28 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 90 GetRequests, 90 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, 20 NumberOfCodeBlocks, 20 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 8 ConstructedInterpolants, 0 QuantifiedInterpolants, 8 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: 230]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 229, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L223] float x = 1.0f / 0.0f; [L224] float y = 1.0f / 0.0f; [L226] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] EXPR gf_u.value = (x) [L127] EXPR gf_u.word [L127] EXPR (hx) = gf_u.word [L124-L128] { ieee_float_shape_type gf_u; gf_u.value = (x); (hx) = gf_u.word; } VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L129] ix = hx & 0x7fffffff VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] EXPR gf_u.value = (y) [L133] EXPR gf_u.word [L133] EXPR (hy) = gf_u.word [L130-L134] { ieee_float_shape_type gf_u; gf_u.value = (y); (hy) = gf_u.word; } VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, hy=0, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L135] iy = hy & 0x7fffffff VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, hy=0, ix=2139095041, iy=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [\old(x)=4, \old(y)=2, aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, hy=0, ix=2139095041, iy=0, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L226] RET, EXPR __ieee754_atan2f(y, x) [L226] float res = __ieee754_atan2f(y, x); [L229] COND TRUE res != pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] [L230] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, res=10, tiny_atan2=1/1000000000000000000000000000000, x=4, y=2, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 157.3MB. Free memory is still 129.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 279.09ms. Allocated memory is still 157.3MB. Free memory was 117.6MB in the beginning and 103.3MB in the end (delta: 14.3MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 49.09ms. Allocated memory is still 157.3MB. Free memory was 103.3MB in the beginning and 100.8MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.51ms. Allocated memory is still 157.3MB. Free memory was 100.8MB in the beginning and 98.1MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 600.54ms. Allocated memory is still 157.3MB. Free memory was 98.1MB in the beginning and 63.5MB in the end (delta: 34.6MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 566.02ms. Allocated memory was 157.3MB in the beginning and 192.9MB in the end (delta: 35.7MB). Free memory was 63.5MB in the beginning and 141.8MB in the end (delta: -78.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.33ms. Allocated memory is still 192.9MB. Free memory is still 141.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-12-02 21:39:31,767 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/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 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-02 21:39:33,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-02 21:39:33,763 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-12-02 21:39:33,794 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-02 21:39:33,794 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-02 21:39:33,795 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-02 21:39:33,796 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-02 21:39:33,796 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-02 21:39:33,797 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-02 21:39:33,797 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-02 21:39:33,798 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-02 21:39:33,798 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-02 21:39:33,799 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-02 21:39:33,799 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-02 21:39:33,800 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-02 21:39:33,800 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-02 21:39:33,801 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-12-02 21:39:33,801 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-12-02 21:39:33,802 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-12-02 21:39:33,802 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-02 21:39:33,803 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-02 21:39:33,803 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-02 21:39:33,804 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-02 21:39:33,804 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-02 21:39:33,805 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-02 21:39:33,805 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:33,806 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-12-02 21:39:33,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-02 21:39:33,807 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:39:33,807 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-02 21:39:33,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-02 21:39:33,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-02 21:39:33,809 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-12-02 21:39:33,809 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-12-02 21:39:33,809 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-02 21:39:33,810 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-12-02 21:39:33,810 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-12-02 21:39:33,810 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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7ff1c77639f13c737226369dae83b9f0e852161422e44db320e5cd4110ee0e9d [2023-12-02 21:39:34,099 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-02 21:39:34,119 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-02 21:39:34,121 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-02 21:39:34,123 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-02 21:39:34,123 INFO L274 PluginConnector]: CDTParser initialized [2023-12-02 21:39:34,125 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2023-12-02 21:39:36,900 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-02 21:39:37,096 INFO L384 CDTParser]: Found 1 translation units. [2023-12-02 21:39:37,097 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c [2023-12-02 21:39:37,105 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/data/9a4663136/fa68233c7d014e1698d4c88901b5d7dc/FLAGfed844dfa [2023-12-02 21:39:37,116 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/data/9a4663136/fa68233c7d014e1698d4c88901b5d7dc [2023-12-02 21:39:37,118 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-02 21:39:37,120 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-02 21:39:37,121 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-02 21:39:37,121 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-02 21:39:37,124 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-02 21:39:37,125 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,125 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6d732038 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37, skipping insertion in model container [2023-12-02 21:39:37,126 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,156 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-02 21:39:37,363 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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c[5265,5278] [2023-12-02 21:39:37,367 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:39:37,389 INFO L202 MainTranslator]: Completed pre-run [2023-12-02 21:39:37,434 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_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/sv-benchmarks/c/float-newlib/float_req_bl_0686a.c[5265,5278] [2023-12-02 21:39:37,435 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-02 21:39:37,456 INFO L206 MainTranslator]: Completed translation [2023-12-02 21:39:37,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37 WrapperNode [2023-12-02 21:39:37,457 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-02 21:39:37,458 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-02 21:39:37,458 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-02 21:39:37,458 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-02 21:39:37,466 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,482 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,510 INFO L138 Inliner]: procedures = 22, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 213 [2023-12-02 21:39:37,511 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-02 21:39:37,511 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-02 21:39:37,512 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-02 21:39:37,512 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-02 21:39:37,521 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,522 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,528 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,528 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,545 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,551 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,555 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,557 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-02 21:39:37,564 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-02 21:39:37,564 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-02 21:39:37,564 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-02 21:39:37,565 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 09:39:37" (1/1) ... [2023-12-02 21:39:37,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-02 21:39:37,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-02 21:39:37,594 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-02 21:39:37,629 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-02 21:39:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-02 21:39:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2023-12-02 21:39:37,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-12-02 21:39:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-12-02 21:39:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2023-12-02 21:39:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2023-12-02 21:39:37,665 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2023-12-02 21:39:37,665 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2023-12-02 21:39:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-02 21:39:37,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-02 21:39:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2023-12-02 21:39:37,666 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2023-12-02 21:39:37,666 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2023-12-02 21:39:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2023-12-02 21:39:37,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-12-02 21:39:37,771 INFO L241 CfgBuilder]: Building ICFG [2023-12-02 21:39:37,773 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-02 21:40:12,438 INFO L282 CfgBuilder]: Performing block encoding [2023-12-02 21:40:12,512 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-02 21:40:12,513 INFO L309 CfgBuilder]: Removed 14 assume(true) statements. [2023-12-02 21:40:12,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:40:12 BoogieIcfgContainer [2023-12-02 21:40:12,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-02 21:40:12,515 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-02 21:40:12,515 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-02 21:40:12,533 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-02 21:40:12,534 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:40:12" (1/1) ... [2023-12-02 21:40:12,543 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-02 21:40:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:12,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 67 states and 109 transitions. [2023-12-02 21:40:12,595 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 109 transitions. [2023-12-02 21:40:12,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2023-12-02 21:40:12,597 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:12,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:12,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:12,618 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:12,619 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-12-02 21:40:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:13,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:13,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:13,646 INFO L262 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 1 conjunts are in the unsatisfiable core [2023-12-02 21:40:13,649 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:13,668 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:13,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2023-12-02 21:40:14,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:14,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 67 states and 104 transitions. [2023-12-02 21:40:14,299 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 104 transitions. [2023-12-02 21:40:14,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2023-12-02 21:40:14,300 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:14,300 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:14,300 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:14,301 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:14,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2023-12-02 21:40:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:16,821 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:16,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:16,932 INFO L262 TraceCheckSpWp]: Trace formula consists of 91 conjuncts, 19 conjunts are in the unsatisfiable core [2023-12-02 21:40:16,935 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:17,155 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:40:17,923 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2023-12-02 21:40:17,923 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 51 treesize of output 27 [2023-12-02 21:40:17,959 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 21:40:17,960 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 69 treesize of output 37 [2023-12-02 21:40:18,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:18,674 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2023-12-02 21:40:20,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:20,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 67 states and 103 transitions. [2023-12-02 21:40:20,830 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 103 transitions. [2023-12-02 21:40:20,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:40:20,831 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:20,831 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:20,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:20,832 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:20,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2023-12-02 21:40:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:22,836 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:22,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:22,910 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:40:22,912 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:23,414 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:40:23,441 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2023-12-02 21:40:24,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:24,534 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2023-12-02 21:40:26,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 64 states and 96 transitions. [2023-12-02 21:40:26,069 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 96 transitions. [2023-12-02 21:40:26,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-12-02 21:40:26,070 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:26,070 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:26,071 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:26,072 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:26,072 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2023-12-02 21:40:28,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:28,121 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:28,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:28,204 INFO L262 TraceCheckSpWp]: Trace formula consists of 96 conjuncts, 10 conjunts are in the unsatisfiable core [2023-12-02 21:40:28,206 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:28,771 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:40:28,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2023-12-02 21:40:30,382 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:30,396 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2023-12-02 21:40:33,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:33,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 64 states and 95 transitions. [2023-12-02 21:40:33,845 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 95 transitions. [2023-12-02 21:40:33,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-12-02 21:40:33,848 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:33,848 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:33,848 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:33,849 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:33,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2023-12-02 21:40:35,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:35,925 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:35,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:35,996 INFO L262 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 11 conjunts are in the unsatisfiable core [2023-12-02 21:40:35,998 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:36,063 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:40:36,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2023-12-02 21:40:37,200 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:37,211 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2023-12-02 21:40:37,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:37,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 64 states and 94 transitions. [2023-12-02 21:40:37,407 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 94 transitions. [2023-12-02 21:40:37,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:40:37,408 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:37,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:37,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:37,409 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:37,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2023-12-02 21:40:39,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:39,377 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:39,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:39,442 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 12 conjunts are in the unsatisfiable core [2023-12-02 21:40:39,444 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:39,584 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:40:39,585 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2023-12-02 21:40:40,423 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:40,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2023-12-02 21:40:42,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:40:42,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 60 states and 85 transitions. [2023-12-02 21:40:42,072 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2023-12-02 21:40:42,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-12-02 21:40:42,073 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:40:42,073 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:40:42,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:40:42,074 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:40:42,075 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2023-12-02 21:40:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:44,556 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:40:44,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:40:44,698 INFO L262 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 6 conjunts are in the unsatisfiable core [2023-12-02 21:40:44,699 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:40:49,212 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:40:49,223 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2023-12-02 21:41:24,539 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:41:25,691 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2023-12-02 21:41:31,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:41:31,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 62 states and 93 transitions. [2023-12-02 21:41:31,388 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 93 transitions. [2023-12-02 21:41:31,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2023-12-02 21:41:31,389 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:41:31,389 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:41:31,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:41:31,390 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:41:31,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2023-12-02 21:41:33,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:33,409 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:41:33,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:41:33,486 INFO L262 TraceCheckSpWp]: Trace formula consists of 102 conjuncts, 14 conjunts are in the unsatisfiable core [2023-12-02 21:41:33,488 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:41:33,628 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:41:33,629 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2023-12-02 21:41:39,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:41:39,609 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2023-12-02 21:42:08,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:42:08,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 62 states and 91 transitions. [2023-12-02 21:42:08,552 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 91 transitions. [2023-12-02 21:42:08,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2023-12-02 21:42:08,552 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:42:08,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:42:08,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:42:08,554 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:42:08,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2023-12-02 21:42:10,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,619 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:42:10,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:42:10,719 INFO L262 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:42:10,721 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:42:10,795 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:42:10,826 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 34 treesize of output 18 [2023-12-02 21:42:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:42:17,015 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2023-12-02 21:43:23,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:23,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 60 states and 85 transitions. [2023-12-02 21:43:23,443 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 85 transitions. [2023-12-02 21:43:23,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-12-02 21:43:23,444 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:23,444 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:23,444 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:23,445 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:23,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2023-12-02 21:43:25,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:25,487 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:25,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:25,588 INFO L262 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 13 conjunts are in the unsatisfiable core [2023-12-02 21:43:25,589 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:25,644 INFO L160 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2023-12-02 21:43:25,644 INFO L165 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 18 [2023-12-02 21:43:26,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:43:26,658 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2023-12-02 21:43:27,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:43:27,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 60 states and 84 transitions. [2023-12-02 21:43:27,473 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 84 transitions. [2023-12-02 21:43:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2023-12-02 21:43:27,473 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-02 21:43:27,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-12-02 21:43:27,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 [2023-12-02 21:43:27,474 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-12-02 21:43:27,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2023-12-02 21:43:29,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:29,523 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-12-02 21:43:29,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-02 21:43:29,603 INFO L262 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 22 conjunts are in the unsatisfiable core [2023-12-02 21:43:29,606 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-12-02 21:43:29,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2023-12-02 21:43:32,568 INFO L349 Elim1Store]: treesize reduction 21, result has 25.0 percent of original size [2023-12-02 21:43:32,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 49 treesize of output 25 [2023-12-02 21:43:32,603 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-12-02 21:43:32,604 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 67 treesize of output 35 [2023-12-02 21:43:42,940 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-02 21:43:42,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2023-12-02 21:44:02,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-02 21:44:02,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 18 states and 17 transitions. [2023-12-02 21:44:02,790 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 17 transitions. [2023-12-02 21:44:02,790 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2023-12-02 21:44:02,791 WARN L420 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2023-12-02 21:44:02,797 INFO L751 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2023-12-02 21:44:05,831 INFO L560 CodeCheckObserver]: Invariant with dag size 43 [2023-12-02 21:44:05,836 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~hx~1[31:31], ~hx~1[30:23], ~hx~1[22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-12-02 21:44:05,838 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~y && ~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_11][0bv32]) == ~ix~2) && ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_11][0bv32][22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated [2023-12-02 21:44:05,839 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 21:44:05,839 INFO L560 CodeCheckObserver]: Invariant with dag size 1 [2023-12-02 21:44:05,839 INFO L560 CodeCheckObserver]: Invariant with dag size 24 [2023-12-02 21:44:05,840 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~x && ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~y) could not be translated [2023-12-02 21:44:05,840 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 21:44:05,840 INFO L560 CodeCheckObserver]: Invariant with dag size 13 [2023-12-02 21:44:05,841 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 21:44:05,841 WARN L1572 BoogieBacktranslator]: Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated [2023-12-02 21:44:05,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 09:44:05 ImpRootNode [2023-12-02 21:44:05,842 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-12-02 21:44:05,842 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-12-02 21:44:05,842 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-12-02 21:44:05,842 INFO L274 PluginConnector]: Witness Printer initialized [2023-12-02 21:44:05,843 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 09:40:12" (3/4) ... [2023-12-02 21:44:05,845 INFO L137 WitnessPrinter]: Generating witness for correct program [2023-12-02 21:44:05,848 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure fabs_float [2023-12-02 21:44:05,849 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure atan_float [2023-12-02 21:44:05,856 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 31 nodes and edges [2023-12-02 21:44:05,857 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2023-12-02 21:44:05,858 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2023-12-02 21:44:05,858 INFO L943 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2023-12-02 21:44:05,954 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/witness.graphml [2023-12-02 21:44:05,954 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/witness.yml [2023-12-02 21:44:05,954 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-12-02 21:44:05,955 INFO L158 Benchmark]: Toolchain (without parser) took 268835.52ms. Allocated memory is still 96.5MB. Free memory was 72.8MB in the beginning and 23.8MB in the end (delta: 49.0MB). Peak memory consumption was 50.1MB. Max. memory is 16.1GB. [2023-12-02 21:44:05,955 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 69.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-12-02 21:44:05,955 INFO L158 Benchmark]: CACSL2BoogieTranslator took 336.69ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 57.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-12-02 21:44:05,956 INFO L158 Benchmark]: Boogie Procedure Inliner took 52.75ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 54.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-12-02 21:44:05,956 INFO L158 Benchmark]: Boogie Preprocessor took 51.46ms. Allocated memory is still 96.5MB. Free memory was 54.9MB in the beginning and 52.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2023-12-02 21:44:05,956 INFO L158 Benchmark]: RCFGBuilder took 34950.80ms. Allocated memory is still 96.5MB. Free memory was 52.1MB in the beginning and 37.6MB in the end (delta: 14.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. [2023-12-02 21:44:05,956 INFO L158 Benchmark]: CodeCheck took 233326.32ms. Allocated memory is still 96.5MB. Free memory was 37.6MB in the beginning and 31.0MB in the end (delta: 6.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. [2023-12-02 21:44:05,957 INFO L158 Benchmark]: Witness Printer took 112.35ms. Allocated memory is still 96.5MB. Free memory was 31.0MB in the beginning and 23.8MB in the end (delta: 7.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-12-02 21:44:05,959 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 67 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 230.2s, OverallIterations: 12, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 972 SdHoareTripleChecker+Valid, 110.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 377 mSDsluCounter, 612 SdHoareTripleChecker+Invalid, 105.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 162 mSDsCounter, 215 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1340 IncrementalHoareTripleChecker+Invalid, 1555 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 215 mSolverCounterUnsat, 450 mSDtfsCounter, 1340 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1782 GetRequests, 1589 SyntacticMatches, 65 SemanticMatches, 128 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6250 ImplicationChecksByTransitivity, 174.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 39.1s InterpolantComputationTime, 176 NumberOfCodeBlocks, 176 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 165 ConstructedInterpolants, 103 QuantifiedInterpolants, 2817 SizeOfPredicates, 86 NumberOfNonLiveVariables, 1069 ConjunctsInSsa, 131 ConjunctsInUnsatCore, 11 InterpolantComputations, 11 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: 230]: 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: 130]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 217]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 124]: Loop Invariant Derived loop invariant: null - InvariantResult [Line: 120]: 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 69.2MB. Free memory is still 45.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 336.69ms. Allocated memory is still 96.5MB. Free memory was 72.5MB in the beginning and 57.5MB in the end (delta: 15.0MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 52.75ms. Allocated memory is still 96.5MB. Free memory was 57.5MB in the beginning and 54.9MB in the end (delta: 2.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 51.46ms. Allocated memory is still 96.5MB. Free memory was 54.9MB in the beginning and 52.1MB in the end (delta: 2.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 34950.80ms. Allocated memory is still 96.5MB. Free memory was 52.1MB in the beginning and 37.6MB in the end (delta: 14.5MB). Peak memory consumption was 13.0MB. Max. memory is 16.1GB. * CodeCheck took 233326.32ms. Allocated memory is still 96.5MB. Free memory was 37.6MB in the beginning and 31.0MB in the end (delta: 6.6MB). Peak memory consumption was 9.8MB. Max. memory is 16.1GB. * Witness Printer took 112.35ms. Allocated memory is still 96.5MB. Free memory was 31.0MB in the beginning and 23.8MB in the end (delta: 7.2MB). 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: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp~32(~hx~1[31:31], ~hx~1[30:23], ~hx~1[22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_11 : bv32, currentRoundingMode : FloatRoundingMode :: (~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~y && ~bvand~32(2147483647bv32, #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_11][0bv32]) == ~ix~2) && ~fp~32(#memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_11][0bv32][31:31], #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_11][0bv32][30:23], #memory_int[v_ULTIMATE.start___ieee754_atan2f_~#gf_u~2#1.base_11][0bv32][22:0]) == ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32())) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: QuantifierExpression (exists currentRoundingMode : FloatRoundingMode :: ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~x && ~fp.div~32(currentRoundingMode, ~to_fp~32(currentRoundingMode, 1.0), ~Pluszero~32()) == ~y) could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: IdentifierExpression ~roundNearestTiesToEven could not be translated RESULT: Ultimate proved your program to be correct! [2023-12-02 21:44:06,169 WARN L435 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forcibly destroying the process [2023-12-02 21:44:06,215 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c4ba6f80-1385-49ed-8c20-7ca3ba6facf6/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 137 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE