./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm --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 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:40:58,144 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:40:58,236 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:40:58,241 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:40:58,241 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:40:58,264 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:40:58,265 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:40:58,265 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:40:58,266 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:40:58,266 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:40:58,266 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:40:58,266 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:40:58,266 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:40:58,266 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:40:58,267 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:40:58,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:40:58,267 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:40:58,267 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:40:58,267 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:40:58,267 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:40:58,267 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:40:58,268 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:40:58,268 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:40:58,268 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:40:58,268 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:40:58,268 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:40:58,268 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:40:58,268 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:40:58,268 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:40:58,269 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:40:58,269 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:40:58,269 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:40:58,269 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:40:58,269 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm 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 -> 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 [2024-11-13 20:40:58,591 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:40:58,603 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:40:58,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:40:58,611 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:40:58,611 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:40:58,615 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c Unable to find full path for "g++" [2024-11-13 20:41:00,532 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:41:00,854 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:41:00,855 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2024-11-13 20:41:00,864 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/data/62ce7c846/3614543eabf2450f9bdbfc979ff9fd2c/FLAGa4665571c [2024-11-13 20:41:00,879 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/data/62ce7c846/3614543eabf2450f9bdbfc979ff9fd2c [2024-11-13 20:41:00,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:41:00,883 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:41:00,884 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:00,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:41:00,889 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:41:00,890 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:00" (1/1) ... [2024-11-13 20:41:00,891 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec65393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:00, skipping insertion in model container [2024-11-13 20:41:00,891 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:00" (1/1) ... [2024-11-13 20:41:00,911 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:41:01,111 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2024-11-13 20:41:01,114 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:01,127 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:41:01,179 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2024-11-13 20:41:01,180 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:01,199 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:41:01,200 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01 WrapperNode [2024-11-13 20:41:01,200 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:01,201 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:01,201 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:41:01,201 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:41:01,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,254 INFO L138 Inliner]: procedures = 20, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 304 [2024-11-13 20:41:01,255 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:01,255 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:41:01,255 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:41:01,255 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:41:01,266 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,266 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,271 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,271 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,283 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,291 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,293 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,300 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:41:01,300 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:41:01,301 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:41:01,301 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:41:01,302 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:01" (1/1) ... [2024-11-13 20:41:01,308 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:01,322 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:41:01,339 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:41:01,345 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:41:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:41:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:41:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 20:41:01,375 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:41:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 20:41:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:41:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-13 20:41:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-13 20:41:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 20:41:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-13 20:41:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-13 20:41:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:41:01,376 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:41:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:41:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-13 20:41:01,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:41:01,483 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:41:01,485 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:41:02,321 INFO L? ?]: Removed 79 outVars from TransFormulas that were not future-live. [2024-11-13 20:41:02,321 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:41:02,603 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:41:02,604 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-13 20:41:02,604 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:02 BoogieIcfgContainer [2024-11-13 20:41:02,604 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:41:02,605 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:41:02,605 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:41:02,616 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:41:02,617 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:02" (1/1) ... [2024-11-13 20:41:02,625 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:41:02,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:02,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 71 states and 115 transitions. [2024-11-13 20:41:02,677 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 115 transitions. [2024-11-13 20:41:02,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:41:02,679 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:02,680 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:02,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:41:02,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:41:03,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:41:03,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 71 states and 110 transitions. [2024-11-13 20:41:03,122 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 110 transitions. [2024-11-13 20:41:03,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:41:03,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:41:03,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:41:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:03,517 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:41:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:04,051 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:41:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:41:04,308 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-13 20:41:04,342 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:41:04 ImpRootNode [2024-11-13 20:41:04,342 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:41:04,343 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:41:04,343 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:41:04,344 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:41:04,346 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:41:02" (3/4) ... [2024-11-13 20:41:04,349 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:41:04,350 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:41:04,351 INFO L158 Benchmark]: Toolchain (without parser) took 3468.20ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 93.5MB in the beginning and 254.5MB in the end (delta: -161.0MB). Peak memory consumption was 75.3MB. Max. memory is 16.1GB. [2024-11-13 20:41:04,354 INFO L158 Benchmark]: CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:41:04,355 INFO L158 Benchmark]: CACSL2BoogieTranslator took 316.32ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 78.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 20:41:04,355 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.68ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 76.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:41:04,356 INFO L158 Benchmark]: Boogie Preprocessor took 44.61ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 73.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:41:04,356 INFO L158 Benchmark]: RCFGBuilder took 1304.07ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 57.9MB in the end (delta: 15.7MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. [2024-11-13 20:41:04,357 INFO L158 Benchmark]: CodeCheck took 1737.33ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.9MB in the beginning and 255.2MB in the end (delta: -197.2MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. [2024-11-13 20:41:04,357 INFO L158 Benchmark]: Witness Printer took 6.95ms. Allocated memory is still 352.3MB. Free memory was 255.2MB in the beginning and 254.5MB in the end (delta: 686.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:41:04,360 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, 71 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, 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, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 26 mSDtfsCounter, 4 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, 0.3s SatisfiabilityAnalysisTime, 0.2s 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: 260]: 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 someBinaryArithmeticDOUBLEoperation at line 253, overapproximation of someBinaryArithmeticDOUBLEoperation at line 165, overapproximation of bitwiseOr at line 163, overapproximation of someUnaryDOUBLEoperation at line 54, overapproximation of someBinaryDOUBLEComparisonOperation at line 259. Possible FailurePath: [L39-L44] static const double atanhi_atan[] = { 4.63647609000806093515e-01, 7.85398163397448278999e-01, 9.82793723247329054082e-01, 1.57079632679489655800e+00, }; [L46-L51] static const double atanlo_atan[] = { 2.26987774529616870924e-17, 3.06161699786838301793e-17, 1.39033110312309984516e-17, 6.12323399573676603587e-17, }; [L53-L60] static const double aT_atan[] = { 3.33333333333329318027e-01, -1.99999999998764832476e-01, 1.42857142725034663711e-01, -1.11111104054623557880e-01, 9.09088713343650656196e-02, -7.69187620504482999495e-02, 6.66107313738753120669e-02, -5.83357013379057348645e-02, 4.97687799461593236017e-02, -3.65315727442169155270e-02, 1.62858201153657823623e-02, }; [L62-L64] static const double one_atan = 1.0, pi_o_4 = 7.8539816339744827900E-01, pi_o_2 = 1.5707963267948965580E+00, pi = 3.1415926535897931160E+00, huge_atan = 1.0e300; [L141-L142] static const double tiny_atan2 = 1.0e-300, zero_atan2 = 0.0, pi_lo_atan2 = 1.2246467991473531772E-16; [L253] double x = -1.0 / 0.0; [L254] double y = -1.0 / 0.0; [L256] CALL, EXPR __ieee754_atan2(y, x) [L145] double z; [L146] __int32_t k, m, hx, hy, ix, iy; [L147] __uint32_t lx, ly; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L150] ieee_double_shape_type ew_u; [L151] ew_u.value = (x) [L152] EXPR ew_u.parts.msw [L152] (hx) = ew_u.parts.msw [L153] EXPR ew_u.parts.lsw [L153] (lx) = ew_u.parts.lsw [L155] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048576, ix=2146435072, lx=-4294967295, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=7, zero_atan2=0] [L157] ieee_double_shape_type ew_u; [L158] ew_u.value = (y) [L159] EXPR ew_u.parts.msw [L159] (hy) = ew_u.parts.msw [L160] EXPR ew_u.parts.lsw [L160] (ly) = ew_u.parts.lsw [L162] iy = hy & 0x7fffffff [L163] EXPR lx | -lx [L163] EXPR ix | ((lx | -lx) >> 31) [L163-L164] ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048576, hy=-1, ix=2146435072, iy=2147483647, lx=-4294967295, ly=-4294967296, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L163-L164] COND TRUE ((ix | ((lx | -lx) >> 31)) > 0x7ff00000) || ((iy | ((ly | -ly) >> 31)) > 0x7ff00000) [L165] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, hx=-1048576, hy=-1, ix=2146435072, iy=2147483647, lx=-4294967295, ly=-4294967296, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, x=7, y=8, zero_atan2=0] [L256] RET, EXPR __ieee754_atan2(y, x) [L256] double res = __ieee754_atan2(y, x); [L259] COND TRUE res != -3 * pi_o_4 VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] [L260] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, one_atan=1, pi=785398163397448279/250000000000000000, pi_lo_atan2=3061616997868382943/25000000000000000000000000000000000, pi_o_2=785398163397448279/500000000000000000, pi_o_4=785398163397448279/1000000000000000000, tiny_atan2=1/1000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.51ms. Allocated memory is still 167.8MB. Free memory is still 104.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 316.32ms. Allocated memory is still 117.4MB. Free memory was 93.5MB in the beginning and 78.8MB in the end (delta: 14.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.68ms. Allocated memory is still 117.4MB. Free memory was 78.4MB in the beginning and 76.2MB in the end (delta: 2.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 44.61ms. Allocated memory is still 117.4MB. Free memory was 76.2MB in the beginning and 73.7MB in the end (delta: 2.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1304.07ms. Allocated memory is still 117.4MB. Free memory was 73.7MB in the beginning and 57.9MB in the end (delta: 15.7MB). Peak memory consumption was 49.3MB. Max. memory is 16.1GB. * CodeCheck took 1737.33ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 57.9MB in the beginning and 255.2MB in the end (delta: -197.2MB). Peak memory consumption was 45.1MB. Max. memory is 16.1GB. * Witness Printer took 6.95ms. Allocated memory is still 352.3MB. Free memory was 255.2MB in the beginning and 254.5MB in the end (delta: 686.4kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:41:04,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm --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 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:41:06,880 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:41:06,964 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:41:07,032 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:41:07,033 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:41:07,034 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:41:07,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:41:07,038 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:41:07,038 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:41:07,039 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:41:07,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:41:07,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:41:07,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:41:07,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:41:07,040 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:41:07,041 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:41:07,041 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:41:07,041 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:41:07,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:41:07,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:07,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:41:07,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:41:07,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:41:07,042 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:41:07,042 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:41:07,042 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:41:07,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm 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 -> 63c75cb1914098e0a99942bfcf64a7e270bd0424176714d202a2c3dfb2438929 [2024-11-13 20:41:07,359 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:41:07,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:41:07,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:41:07,371 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:41:07,372 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:41:07,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/double_req_bl_0685b.c Unable to find full path for "g++" [2024-11-13 20:41:09,285 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:41:09,683 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:41:09,683 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c [2024-11-13 20:41:09,702 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/data/3d42b0e0b/ca76a5b39504413cb8a95cee71a9f5ba/FLAGc0e01d1f6 [2024-11-13 20:41:09,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/data/3d42b0e0b/ca76a5b39504413cb8a95cee71a9f5ba [2024-11-13 20:41:09,732 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:41:09,736 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:41:09,737 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:09,739 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:41:09,744 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:41:09,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:09" (1/1) ... [2024-11-13 20:41:09,748 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bb1799f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:09, skipping insertion in model container [2024-11-13 20:41:09,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:41:09" (1/1) ... [2024-11-13 20:41:09,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:41:10,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2024-11-13 20:41:10,060 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:10,084 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:41:10,164 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/sv-benchmarks/c/float-newlib/double_req_bl_0685b.c[6216,6229] [2024-11-13 20:41:10,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:41:10,190 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:41:10,190 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10 WrapperNode [2024-11-13 20:41:10,191 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:41:10,192 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:10,192 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:41:10,192 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:41:10,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,215 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,239 INFO L138 Inliner]: procedures = 23, calls = 87, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 221 [2024-11-13 20:41:10,240 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:41:10,240 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:41:10,240 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:41:10,240 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:41:10,249 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,258 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,275 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,281 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,283 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,290 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:41:10,290 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:41:10,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:41:10,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:41:10,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:41:10" (1/1) ... [2024-11-13 20:41:10,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:41:10,316 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:41:10,327 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:41:10,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:41:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:41:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE8 [2024-11-13 20:41:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE8 [2024-11-13 20:41:10,350 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE8 [2024-11-13 20:41:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:41:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:41:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_double [2024-11-13 20:41:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_double [2024-11-13 20:41:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE8 [2024-11-13 20:41:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure atan_double [2024-11-13 20:41:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_double [2024-11-13 20:41:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:41:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:41:10,351 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:41:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:41:10,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:41:10,475 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:41:10,477 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:42:27,306 INFO L? ?]: Removed 85 outVars from TransFormulas that were not future-live. [2024-11-13 20:42:27,306 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:42:27,449 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:42:27,450 INFO L316 CfgBuilder]: Removed 16 assume(true) statements. [2024-11-13 20:42:27,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:27 BoogieIcfgContainer [2024-11-13 20:42:27,450 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:42:27,451 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:42:27,451 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:42:27,467 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:42:27,467 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:42:27" (1/1) ... [2024-11-13 20:42:27,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:42:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:27,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 70 states and 114 transitions. [2024-11-13 20:42:27,522 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 114 transitions. [2024-11-13 20:42:27,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:42:27,524 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:27,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:27,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:27,528 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:27,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:42:28,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:28,489 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:42:28,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:28,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 103 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:42:28,653 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:28,681 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:42:29,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:42:30,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:30,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 70 states and 109 transitions. [2024-11-13 20:42:30,042 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 109 transitions. [2024-11-13 20:42:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-13 20:42:30,042 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:30,043 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:30,043 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:30,044 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:30,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:42:32,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:32,735 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:42:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:32,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 20:42:32,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:33,515 INFO L190 IndexEqualityManager]: detected not equals via solver [2024-11-13 20:42:33,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 17 [2024-11-13 20:42:35,870 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 20:42:35,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 33 treesize of output 17 [2024-11-13 20:42:38,237 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:38,257 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:42:42,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:42,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 70 states and 108 transitions. [2024-11-13 20:42:42,896 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 108 transitions. [2024-11-13 20:42:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:42:42,897 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:42,897 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:42,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:42,901 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:42,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:42:45,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:45,051 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:42:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:45,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:42:45,174 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:48,550 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:48,560 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:42:51,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:42:51,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 67 states and 101 transitions. [2024-11-13 20:42:51,682 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 101 transitions. [2024-11-13 20:42:51,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:42:51,683 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:42:51,683 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:42:51,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:42:51,687 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:42:51,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:42:53,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:53,870 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:42:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:42:53,987 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 20:42:53,989 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:42:58,096 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:42:58,112 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:43:07,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:07,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 67 states and 100 transitions. [2024-11-13 20:43:07,738 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 100 transitions. [2024-11-13 20:43:07,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-13 20:43:07,743 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:07,743 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:43:07,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:43:07,745 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:43:07,748 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:43:10,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:10,444 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:43:10,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:10,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:43:10,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:43:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:13,091 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 20:43:13,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:43:13,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 99 transitions. [2024-11-13 20:43:13,612 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 99 transitions. [2024-11-13 20:43:13,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:43:13,612 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:43:13,612 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:43:13,612 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:43:13,618 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:43:13,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 20:43:15,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:15,970 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:43:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:43:16,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:43:16,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:43:21,404 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:43:21,420 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 20:44:01,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:01,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 65 states and 94 transitions. [2024-11-13 20:44:01,229 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 94 transitions. [2024-11-13 20:44:01,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 20:44:01,229 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:01,230 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:01,230 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:01,232 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:01,233 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 20:44:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:03,397 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:03,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:03,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 140 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:44:03,514 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:08,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:08,320 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-13 20:44:10,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:10,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 65 states and 93 transitions. [2024-11-13 20:44:10,791 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 93 transitions. [2024-11-13 20:44:10,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:44:10,792 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:10,792 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:10,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:10,795 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:10,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 20:44:13,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:13,082 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:13,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:13,204 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:44:13,205 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:16,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:16,100 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 20:44:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:24,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 65 states and 92 transitions. [2024-11-13 20:44:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 92 transitions. [2024-11-13 20:44:24,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 20:44:24,180 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:24,180 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:24,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:24,182 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:24,184 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 20:44:26,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:26,305 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:26,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:26,417 INFO L255 TraceCheckSpWp]: Trace formula consists of 142 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:44:26,419 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:29,375 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:29,387 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 20:44:37,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:44:37,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 65 states and 91 transitions. [2024-11-13 20:44:37,025 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2024-11-13 20:44:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:44:37,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:44:37,025 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:44:37,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:44:37,028 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:44:37,030 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 20:44:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:39,250 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:44:39,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:44:39,431 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 20:44:39,438 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:44:44,636 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:44:44,648 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-11-13 20:45:57,270 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:45:57,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:45:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 65 states and 90 transitions. [2024-11-13 20:45:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 90 transitions. [2024-11-13 20:45:57,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 20:45:57,324 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:45:57,324 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:45:57,324 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:45:57,329 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:45:57,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 20:45:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:59,613 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:45:59,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:45:59,744 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:45:59,745 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:46:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:46:02,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 20:46:22,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:46:22,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 89 transitions. [2024-11-13 20:46:22,472 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 89 transitions. [2024-11-13 20:46:22,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:46:22,473 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:46:22,473 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:46:22,473 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:46:22,476 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:46:22,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 20:46:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:25,060 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:46:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:46:25,422 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 20:46:25,422 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:47:39,911 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:47:39,923 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 20:51:53,978 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.71s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:53:31,948 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.47s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:53:35,699 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:53:37,951 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:53:40,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:53:42,055 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:53:52,095 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.04s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:00,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.23s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:01,663 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:04,156 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.61s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:07,751 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.59s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:10,638 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.89s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:13,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:54:15,343 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:54:17,789 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.49s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:21,991 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.20s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:54:25,262 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.27s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:54:30,333 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:31,852 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:33,860 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:37,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.83s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:38,760 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:39,916 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.16s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:41,800 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:48,828 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 7.03s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:50,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:53,819 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.97s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:54:56,247 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.43s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:00,390 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.14s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:04,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.53s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:08,416 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:11,258 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.84s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:12,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:55:13,618 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:56:17,009 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 20:56:18,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:56:18,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 67 states and 96 transitions. [2024-11-13 20:56:18,744 INFO L276 IsEmpty]: Start isEmpty. Operand 67 states and 96 transitions. [2024-11-13 20:56:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 20:56:18,744 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:56:18,744 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:56:18,744 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:56:18,751 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:56:18,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ebb69f99-8231-4110-8ff4-2c2fa587f126/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 20:56:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:21,944 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:56:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:56:22,139 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 20:56:22,140 INFO L278 TraceCheckSpWp]: Computing forward predicates...