./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk --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 bb7f3afec9a7b0bf288c62eb95c6c2b13307d1b9b48696daca584c7566ec9aef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:57:49,292 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:57:49,382 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:57:49,389 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:57:49,389 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:57:49,424 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:57:49,425 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:57:49,426 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:57:49,426 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:57:49,427 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:57:49,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:57:49,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:57:49,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:57:49,430 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:57:49,430 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:57:49,430 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:57:49,431 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:57:49,431 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:57:49,431 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:57:49,432 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:57:49,435 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:57:49,438 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:57:49,438 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:57:49,439 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:57:49,439 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:57:49,439 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:57:49,440 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:57:49,440 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:57:49,440 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:57:49,441 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:57:49,441 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:57:49,444 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:57:49,444 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:57:49,445 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb7f3afec9a7b0bf288c62eb95c6c2b13307d1b9b48696daca584c7566ec9aef [2024-11-08 22:57:49,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:57:49,783 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:57:49,807 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:57:49,809 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:57:49,809 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:57:49,811 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c Unable to find full path for "g++" [2024-11-08 22:57:51,879 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:57:52,178 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:57:52,179 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c [2024-11-08 22:57:52,195 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/data/01eac7fe1/0766fc4cf8374e2da7532688f39e1d1f/FLAG9150d6a49 [2024-11-08 22:57:52,218 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/data/01eac7fe1/0766fc4cf8374e2da7532688f39e1d1f [2024-11-08 22:57:52,222 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:57:52,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:57:52,229 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:57:52,230 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:57:52,237 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:57:52,238 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,244 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2cc31dca and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52, skipping insertion in model container [2024-11-08 22:57:52,244 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,280 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:57:52,695 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_770af0a7-e473-4e87-8ccb-c262eb35ef1b/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c[5269,5282] [2024-11-08 22:57:52,700 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:57:52,718 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:57:52,778 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_770af0a7-e473-4e87-8ccb-c262eb35ef1b/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c[5269,5282] [2024-11-08 22:57:52,779 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:57:52,808 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:57:52,808 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52 WrapperNode [2024-11-08 22:57:52,809 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:57:52,810 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:57:52,810 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:57:52,811 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:57:52,820 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,843 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,899 INFO L138 Inliner]: procedures = 20, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 231 [2024-11-08 22:57:52,900 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:57:52,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:57:52,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:57:52,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:57:52,916 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,917 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,922 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,923 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,948 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,958 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,968 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:57:52,969 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:57:52,969 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:57:52,969 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:57:52,974 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:57:52" (1/1) ... [2024-11-08 22:57:52,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:57:53,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:57:53,028 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:57:53,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:57:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:57:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:57:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-08 22:57:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:57:53,064 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-08 22:57:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-08 22:57:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-08 22:57:53,065 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-08 22:57:53,065 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-08 22:57:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:57:53,066 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:57:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-08 22:57:53,066 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-11-08 22:57:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-08 22:57:53,067 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-08 22:57:53,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:57:53,201 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:57:53,203 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:57:53,856 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-08 22:57:53,857 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:57:54,130 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:57:54,132 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-08 22:57:54,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:57:54 BoogieIcfgContainer [2024-11-08 22:57:54,134 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:57:54,135 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:57:54,135 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:57:54,174 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:57:54,174 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:57:54" (1/1) ... [2024-11-08 22:57:54,193 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:57:54,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:54,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2024-11-08 22:57:54,282 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2024-11-08 22:57:54,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:57:54,284 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:54,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:54,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:57:54,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:57:54,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:57:54,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2024-11-08 22:57:54,752 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2024-11-08 22:57:54,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:57:54,752 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:57:54,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-08 22:57:54,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:54,898 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:57:54,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:55,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:55,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-08 22:57:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-08 22:57:55,320 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-11-08 22:57:55,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.11 10:57:55 ImpRootNode [2024-11-08 22:57:55,367 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-08 22:57:55,368 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-08 22:57:55,368 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-08 22:57:55,370 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-08 22:57:55,371 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:57:54" (3/4) ... [2024-11-08 22:57:55,374 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-08 22:57:55,375 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-08 22:57:55,376 INFO L158 Benchmark]: Toolchain (without parser) took 3151.35ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 76.1MB in the end (delta: 48.2MB). Peak memory consumption was 51.4MB. Max. memory is 16.1GB. [2024-11-08 22:57:55,376 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 157.3MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:57:55,377 INFO L158 Benchmark]: CACSL2BoogieTranslator took 580.37ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 107.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-08 22:57:55,378 INFO L158 Benchmark]: Boogie Procedure Inliner took 89.82ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 105.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-08 22:57:55,379 INFO L158 Benchmark]: Boogie Preprocessor took 67.68ms. Allocated memory is still 157.3MB. Free memory was 105.4MB in the beginning and 102.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-08 22:57:55,380 INFO L158 Benchmark]: RCFGBuilder took 1164.64ms. Allocated memory is still 157.3MB. Free memory was 102.8MB in the beginning and 124.7MB in the end (delta: -21.9MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2024-11-08 22:57:55,382 INFO L158 Benchmark]: CodeCheck took 1232.76ms. Allocated memory is still 157.3MB. Free memory was 124.6MB in the beginning and 76.1MB in the end (delta: 48.5MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. [2024-11-08 22:57:55,382 INFO L158 Benchmark]: Witness Printer took 6.99ms. Allocated memory is still 157.3MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-08 22:57:55,386 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, 69 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.1s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 46 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 30 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 0 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2 IncrementalHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 0 mSolverCounterUnsat, 30 mSDtfsCounter, 2 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 97 GetRequests, 97 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, 0.2s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 22 NumberOfCodeBlocks, 22 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 9 ConstructedInterpolants, 0 QuantifiedInterpolants, 9 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: 233]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 232, overapproximation of someUnaryDOUBLEoperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 137. Possible FailurePath: [L29-L34] static const float atanhi_atan[] = { 4.6364760399e-01, 7.8539812565e-01, 9.8279368877e-01, 1.5707962513e+00, }; [L36-L41] static const float atanlo_atan[] = { 5.0121582440e-09, 3.7748947079e-08, 3.4473217170e-08, 7.5497894159e-08, }; [L43-L47] static const float aT_atan[] = { 3.3333334327e-01, -2.0000000298e-01, 1.4285714924e-01, -1.1111110449e-01, 9.0908870101e-02, -7.6918758452e-02, 6.6610731184e-02, -5.8335702866e-02, 4.9768779427e-02, -3.6531571299e-02, 1.6285819933e-02, }; [L49-L51] static const float one_atan = 1.0, huge_atan = 1.0e30, pi_o_4 = 7.8539818525e-01, pi_o_2 = 1.5707963705e+00, pi = 3.1415927410e+00; [L117-L118] static const float tiny_atan2 = 1.0e-30, zero_atan2 = 0.0, pi_lo_atan2 = -8.7422776573e-08; [L218] float x = __VERIFIER_nondet_float(); [L219] float y = 0.0f; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, y=0, zero_atan2=0] [L226] COND TRUE x > 0.0f [L229] CALL, EXPR __ieee754_atan2f(y, x) [L121] float z; [L122] __int32_t k, m, hx, hy, ix, iy; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6, y=0, zero_atan2=0] [L125] ieee_float_shape_type gf_u; [L126] gf_u.value = (x) [L127] EXPR gf_u.word [L127] (hx) = gf_u.word [L129] ix = hx & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, ix=2139095041, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6, y=0, zero_atan2=0] [L131] ieee_float_shape_type gf_u; [L132] gf_u.value = (y) [L133] EXPR gf_u.word [L133] (hy) = gf_u.word [L135] iy = hy & 0x7fffffff VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, hy=1, ix=2139095041, iy=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6, y=0, zero_atan2=0] [L136] COND TRUE ((ix) > 0x7f800000L) || ((iy) > 0x7f800000L) [L137] return x + y; VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, hx=2139095041, hy=1, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, x=6, y=0, zero_atan2=0] [L229] RET, EXPR __ieee754_atan2f(y, x) [L229] float res = __ieee754_atan2f(y, x); [L232] COND TRUE res != 0.0f VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] [L233] reach_error() VAL [aT_atan={6:0}, atanhi_atan={4:0}, atanlo_atan={5:0}, huge_atan=1000000000000000000000000000000, one_atan=1, pi=3141592741/1000000000, pi_o_2=3141592741/2000000000, pi_o_4=3141592741/4000000000, tiny_atan2=1/1000000000000000000000000000000, zero_atan2=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 157.3MB. Free memory is still 132.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 580.37ms. Allocated memory is still 157.3MB. Free memory was 124.3MB in the beginning and 107.9MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 89.82ms. Allocated memory is still 157.3MB. Free memory was 107.9MB in the beginning and 105.4MB in the end (delta: 2.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 67.68ms. Allocated memory is still 157.3MB. Free memory was 105.4MB in the beginning and 102.8MB in the end (delta: 2.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * RCFGBuilder took 1164.64ms. Allocated memory is still 157.3MB. Free memory was 102.8MB in the beginning and 124.7MB in the end (delta: -21.9MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. * CodeCheck took 1232.76ms. Allocated memory is still 157.3MB. Free memory was 124.6MB in the beginning and 76.1MB in the end (delta: 48.5MB). Peak memory consumption was 49.2MB. Max. memory is 16.1GB. * Witness Printer took 6.99ms. Allocated memory is still 157.3MB. Free memory is still 76.1MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-08 22:57:55,435 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/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/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk --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 bb7f3afec9a7b0bf288c62eb95c6c2b13307d1b9b48696daca584c7566ec9aef --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:57:57,830 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:57:57,900 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-08 22:57:57,944 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:57:57,945 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:57:57,946 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:57:57,946 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:57:57,947 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:57:57,947 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:57:57,948 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:57:57,948 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:57:57,948 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:57:57,949 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:57:57,949 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:57:57,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:57:57,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:57:57,950 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-08 22:57:57,951 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-08 22:57:57,951 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:57:57,952 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-08 22:57:57,952 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:57:57,958 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:57:57,958 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:57:57,959 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:57:57,959 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:57:57,959 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:57:57,960 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:57,960 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-08 22:57:57,961 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:57:57,961 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:57:57,961 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:57:57,962 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:57:57,962 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:57:57,963 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-08 22:57:57,963 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-08 22:57:57,963 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-08 22:57:57,964 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bb7f3afec9a7b0bf288c62eb95c6c2b13307d1b9b48696daca584c7566ec9aef [2024-11-08 22:57:58,349 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:57:58,376 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:57:58,379 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:57:58,382 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:57:58,383 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:57:58,384 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/float-newlib/float_req_bl_0661b.c Unable to find full path for "g++" [2024-11-08 22:58:00,411 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:58:00,676 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:58:00,677 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c [2024-11-08 22:58:00,686 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/data/a00aea3d6/8ef12bcf379844ebb179ddb55c052627/FLAGdb47111a0 [2024-11-08 22:58:00,702 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/data/a00aea3d6/8ef12bcf379844ebb179ddb55c052627 [2024-11-08 22:58:00,705 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:58:00,706 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:58:00,708 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:00,708 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:58:00,713 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:58:00,714 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:00" (1/1) ... [2024-11-08 22:58:00,715 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79ab404 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:00, skipping insertion in model container [2024-11-08 22:58:00,716 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:58:00" (1/1) ... [2024-11-08 22:58:00,746 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:58:01,096 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_770af0a7-e473-4e87-8ccb-c262eb35ef1b/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c[5269,5282] [2024-11-08 22:58:01,105 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:01,129 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:58:01,224 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_770af0a7-e473-4e87-8ccb-c262eb35ef1b/sv-benchmarks/c/float-newlib/float_req_bl_0661b.c[5269,5282] [2024-11-08 22:58:01,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:58:01,271 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:58:01,272 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01 WrapperNode [2024-11-08 22:58:01,273 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:58:01,274 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:01,274 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:58:01,274 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:58:01,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,334 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,400 INFO L138 Inliner]: procedures = 23, calls = 79, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 216 [2024-11-08 22:58:01,404 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:58:01,405 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:58:01,409 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:58:01,409 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:58:01,420 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,421 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,430 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,434 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,457 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,470 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,477 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,483 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,491 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:58:01,492 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:58:01,495 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:58:01,495 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:58:01,496 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:58:01" (1/1) ... [2024-11-08 22:58:01,509 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:58:01,527 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:58:01,547 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:58:01,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:58:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:58:01,592 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-11-08 22:58:01,593 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-08 22:58:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-08 22:58:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-08 22:58:01,594 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-08 22:58:01,595 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-08 22:58:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-08 22:58:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-08 22:58:01,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:58:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:58:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-08 22:58:01,596 INFO L130 BoogieDeclarations]: Found specification of procedure atan_float [2024-11-08 22:58:01,596 INFO L138 BoogieDeclarations]: Found implementation of procedure atan_float [2024-11-08 22:58:01,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-08 22:58:01,599 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-08 22:58:01,735 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:58:01,738 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:58:27,546 INFO L? ?]: Removed 76 outVars from TransFormulas that were not future-live. [2024-11-08 22:58:27,547 INFO L287 CfgBuilder]: Performing block encoding [2024-11-08 22:58:27,697 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-08 22:58:27,699 INFO L316 CfgBuilder]: Removed 14 assume(true) statements. [2024-11-08 22:58:27,699 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:27 BoogieIcfgContainer [2024-11-08 22:58:27,699 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-08 22:58:27,700 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-08 22:58:27,700 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-08 22:58:27,711 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-08 22:58:27,711 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.11 10:58:27" (1/1) ... [2024-11-08 22:58:27,722 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-08 22:58:27,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:27,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 69 states and 112 transitions. [2024-11-08 22:58:27,785 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 112 transitions. [2024-11-08 22:58:27,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-08 22:58:27,787 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:27,788 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:27,788 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:27,791 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:27,798 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-08 22:58:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:29,033 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:29,141 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 22:58:29,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:29,167 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:29,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (2)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:29,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:29,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 69 states and 107 transitions. [2024-11-08 22:58:29,640 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 107 transitions. [2024-11-08 22:58:29,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-08 22:58:29,641 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:29,641 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:29,641 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:29,644 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:29,657 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-08 22:58:32,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:32,942 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:33,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:33,110 INFO L255 TraceCheckSpWp]: Trace formula consists of 104 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-11-08 22:58:33,113 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:33,529 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 22:58:34,476 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 22:58:34,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-08 22:58:34,595 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:58:34,596 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2024-11-08 22:58:35,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:35,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-08 22:58:38,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:58:38,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 69 states and 106 transitions. [2024-11-08 22:58:38,280 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 106 transitions. [2024-11-08 22:58:38,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:58:38,281 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:58:38,281 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:58:38,282 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:58:38,284 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:58:38,286 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-08 22:58:41,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:41,012 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:58:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:58:41,133 INFO L255 TraceCheckSpWp]: Trace formula consists of 111 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-08 22:58:41,134 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:58:42,299 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:58:42,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-08 22:58:50,077 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:58:54,674 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:58:59,985 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.37s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 22:59:01,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:01,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 71 states and 124 transitions. [2024-11-08 22:59:01,547 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 124 transitions. [2024-11-08 22:59:01,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-08 22:59:01,548 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:01,548 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:01,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:01,552 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:01,554 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-08 22:59:04,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:04,455 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:04,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:04,587 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-08 22:59:04,590 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:04,749 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:59:04,750 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:59:05,985 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:59:06,006 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-08 22:59:08,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:08,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 71 states and 123 transitions. [2024-11-08 22:59:08,726 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 123 transitions. [2024-11-08 22:59:08,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-08 22:59:08,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:08,731 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:08,732 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:08,734 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:08,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-08 22:59:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:11,627 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:11,717 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-08 22:59:11,719 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:12,206 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:59:12,207 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:59:14,810 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:59:14,824 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (6)] Forceful destruction successful, exit code 0 [2024-11-08 22:59:35,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:35,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 71 states and 121 transitions. [2024-11-08 22:59:35,118 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 121 transitions. [2024-11-08 22:59:35,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-08 22:59:35,119 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:35,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:35,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:35,122 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:35,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-08 22:59:37,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:37,479 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 22:59:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 22:59:37,558 INFO L255 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-08 22:59:37,560 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 22:59:37,666 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 22:59:37,668 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 22:59:39,016 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 22:59:39,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-08 22:59:57,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 22:59:57,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 71 states and 119 transitions. [2024-11-08 22:59:57,824 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 119 transitions. [2024-11-08 22:59:57,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-08 22:59:57,825 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 22:59:57,825 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 22:59:57,825 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 22:59:57,829 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 22:59:57,834 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-08 23:00:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:00,406 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:00,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:00,497 INFO L255 TraceCheckSpWp]: Trace formula consists of 116 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-08 23:00:00,500 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:00,620 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:00:01,754 INFO L349 Elim1Store]: treesize reduction 17, result has 39.3 percent of original size [2024-11-08 23:00:01,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 46 treesize of output 26 [2024-11-08 23:00:01,832 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:00:01,833 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 40 treesize of output 28 [2024-11-08 23:00:05,432 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:00:05,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (8)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:19,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:19,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 44 states and 56 transitions. [2024-11-08 23:00:19,176 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 56 transitions. [2024-11-08 23:00:19,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-08 23:00:19,177 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:19,177 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:19,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:19,180 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:19,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-08 23:00:20,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:20,335 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:20,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:20,411 INFO L255 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:00:20,412 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:20,417 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:00:20,428 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (9)] Forceful destruction successful, exit code 0 [2024-11-08 23:00:30,563 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-08 23:00:31,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:00:31,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 44 states and 54 transitions. [2024-11-08 23:00:31,025 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 54 transitions. [2024-11-08 23:00:31,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2024-11-08 23:00:31,026 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:00:31,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:00:31,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:00:31,027 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:00:31,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-08 23:00:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:33,625 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:00:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:00:33,720 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:00:33,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:00:35,663 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:00:35,690 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 23:00:41,021 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:00:41,035 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-08 23:00:58,912 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:01:09,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.39s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:01:10,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:01:10,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 46 states and 57 transitions. [2024-11-08 23:01:10,778 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 57 transitions. [2024-11-08 23:01:10,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-08 23:01:10,779 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:01:10,779 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:01:10,779 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:01:10,784 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:01:10,787 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-08 23:01:14,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:14,878 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:01:14,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:01:15,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-08 23:01:15,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:01:20,450 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:01:20,465 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-08 23:01:51,944 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:02:05,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:02:06,678 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.44s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:02:10,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:02:10,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 49 states and 60 transitions. [2024-11-08 23:02:10,233 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 60 transitions. [2024-11-08 23:02:10,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-08 23:02:10,234 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:02:10,234 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:02:10,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:02:10,238 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:02:10,239 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-08 23:02:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:14,458 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:02:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:02:15,251 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-08 23:02:15,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:02:15,703 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:02:15,704 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 23:02:22,642 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:02:22,673 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-08 23:02:52,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.10s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:02,405 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.29s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:12,717 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:23,274 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.56s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:34,010 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.74s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:44,829 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.82s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:03:55,360 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.53s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:04:18,336 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:04:29,232 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.90s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:04:29,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:04:29,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 53 states and 66 transitions. [2024-11-08 23:04:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2024-11-08 23:04:29,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-08 23:04:29,958 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:04:29,959 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:04:29,959 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:04:29,962 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:04:29,963 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-08 23:04:34,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:34,232 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:04:35,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:04:35,398 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-08 23:04:35,401 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:04:43,735 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-08 23:04:43,736 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-08 23:05:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:05:27,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-08 23:09:36,820 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-08 23:09:47,096 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:09:57,239 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:10:07,807 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.57s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:10:18,621 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:10:29,521 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.90s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:10:30,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:30,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 67 transitions. [2024-11-08 23:10:30,463 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 67 transitions. [2024-11-08 23:10:30,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-08 23:10:30,464 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:30,464 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:30,464 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:30,471 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:30,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-08 23:10:32,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:32,617 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:32,800 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-08 23:10:32,802 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:32,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:32,817 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-08 23:10:32,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-08 23:10:32,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 54 states and 63 transitions. [2024-11-08 23:10:32,853 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 63 transitions. [2024-11-08 23:10:32,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-08 23:10:32,854 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-08 23:10:32,854 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-08 23:10:32,854 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 [2024-11-08 23:10:32,857 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-08 23:10:32,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-08 23:10:38,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:38,773 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-08 23:10:38,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-08 23:10:38,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-08 23:10:38,891 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-08 23:10:39,323 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 15 treesize of output 1 [2024-11-08 23:10:39,367 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 13 [2024-11-08 23:10:44,254 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-08 23:10:44,300 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_770af0a7-e473-4e87-8ccb-c262eb35ef1b/bin/ukojak-verify-ImItNfHLgk/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-11-08 23:10:58,759 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:11:09,137 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.38s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:11:19,384 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.25s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:11:29,591 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.21s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:12:56,479 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-08 23:13:06,812 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.33s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]