./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0310.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:06:18,925 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:06:18,982 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:06:18,987 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:06:18,988 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:06:19,009 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:06:19,010 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:06:19,010 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:06:19,010 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:06:19,011 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:06:19,011 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:06:19,011 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:06:19,011 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:06:19,011 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:06:19,011 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:06:19,012 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:06:19,012 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:06:19,012 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:06:19,012 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:06:19,012 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:06:19,012 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:06:19,012 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:06:19,012 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:06:19,013 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:06:19,013 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:06:19,013 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:06:19,013 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:06:19,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:19,013 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:06:19,013 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:06:19,013 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:06:19,013 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:06:19,013 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:06:19,013 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda [2024-11-13 23:06:19,337 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:06:19,349 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:06:19,351 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:06:19,352 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:06:19,353 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:06:19,354 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0310.c Unable to find full path for "g++" [2024-11-13 23:06:21,277 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:06:21,574 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:06:21,575 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/sv-benchmarks/c/float-newlib/float_req_bl_0310.c [2024-11-13 23:06:21,586 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/data/32ace128c/9cbe481f8239497d9e8be423dfcbc0c4/FLAGd2a0db318 [2024-11-13 23:06:21,600 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/data/32ace128c/9cbe481f8239497d9e8be423dfcbc0c4 [2024-11-13 23:06:21,603 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:06:21,604 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:06:21,606 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:21,606 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:06:21,610 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:06:21,611 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:21" (1/1) ... [2024-11-13 23:06:21,612 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72c21c46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:21, skipping insertion in model container [2024-11-13 23:06:21,612 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:06:21" (1/1) ... [2024-11-13 23:06:21,642 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:06:22,002 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_530afd8a-59d8-4eca-b513-54ff1481ab48/sv-benchmarks/c/float-newlib/float_req_bl_0310.c[15490,15503] [2024-11-13 23:06:22,005 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:22,054 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:06:22,217 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_530afd8a-59d8-4eca-b513-54ff1481ab48/sv-benchmarks/c/float-newlib/float_req_bl_0310.c[15490,15503] [2024-11-13 23:06:22,218 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:06:22,255 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:06:22,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22 WrapperNode [2024-11-13 23:06:22,256 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:06:22,259 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:22,260 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:06:22,260 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:06:22,267 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,301 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,364 INFO L138 Inliner]: procedures = 27, calls = 491, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1149 [2024-11-13 23:06:22,365 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:06:22,365 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:06:22,365 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:06:22,365 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:06:22,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,373 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,387 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,388 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,455 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,473 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,482 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,491 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,506 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:06:22,507 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:06:22,507 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:06:22,507 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:06:22,508 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:06:22" (1/1) ... [2024-11-13 23:06:22,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:06:22,529 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:06:22,542 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:06:22,547 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:06:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2024-11-13 23:06:22,574 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2024-11-13 23:06:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:06:22,574 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 23:06:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 23:06:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:06:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 23:06:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:06:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 23:06:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2024-11-13 23:06:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2024-11-13 23:06:22,575 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-13 23:06:22,575 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-13 23:06:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:06:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-13 23:06:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-13 23:06:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:06:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:06:22,576 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:06:22,576 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:06:22,819 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:06:22,821 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:06:36,973 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live. [2024-11-13 23:06:36,973 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:06:37,451 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:06:37,452 INFO L316 CfgBuilder]: Removed 59 assume(true) statements. [2024-11-13 23:06:37,452 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:37 BoogieIcfgContainer [2024-11-13 23:06:37,452 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:06:37,453 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:06:37,453 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:06:37,462 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:06:37,463 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:06:37" (1/1) ... [2024-11-13 23:06:37,470 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:06:37,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:06:37,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 169 states and 277 transitions. [2024-11-13 23:06:37,525 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 277 transitions. [2024-11-13 23:06:37,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:06:37,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:06:37,530 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:06:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:06:59,047 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:07:09,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Real, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:07:09,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:07:09,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2024-11-13 23:07:09,355 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2024-11-13 23:07:09,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:07:09,356 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:07:09,356 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:07:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:30,430 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:07:30,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:07:59,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:07:59,367 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-11-13 23:07:59,372 INFO L158 Benchmark]: Toolchain (without parser) took 97767.48ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 91.2MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 207.7MB. Max. memory is 16.1GB. [2024-11-13 23:07:59,372 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:07:59,373 INFO L158 Benchmark]: CACSL2BoogieTranslator took 650.78ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 63.7MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:07:59,373 INFO L158 Benchmark]: Boogie Procedure Inliner took 105.24ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 56.6MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:59,374 INFO L158 Benchmark]: Boogie Preprocessor took 140.65ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 49.9MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:07:59,374 INFO L158 Benchmark]: RCFGBuilder took 14945.85ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 49.9MB in the beginning and 66.4MB in the end (delta: -16.5MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. [2024-11-13 23:07:59,375 INFO L158 Benchmark]: CodeCheck took 81917.80ms. Allocated memory was 167.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 66.4MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. [2024-11-13 23:07:59,377 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 41.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 650.78ms. Allocated memory is still 117.4MB. Free memory was 91.2MB in the beginning and 63.7MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 105.24ms. Allocated memory is still 117.4MB. Free memory was 63.7MB in the beginning and 56.6MB in the end (delta: 7.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 140.65ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 49.9MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 14945.85ms. Allocated memory was 117.4MB in the beginning and 167.8MB in the end (delta: 50.3MB). Free memory was 49.9MB in the beginning and 66.4MB in the end (delta: -16.5MB). Peak memory consumption was 67.5MB. Max. memory is 16.1GB. * CodeCheck took 81917.80ms. Allocated memory was 167.8MB in the beginning and 1.9GB in the end (delta: 1.7GB). Free memory was 66.4MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 135.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:07:59,504 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0310.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:08:02,114 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:08:02,198 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:08:02,257 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:08:02,258 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:08:02,258 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:08:02,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:08:02,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:08:02,258 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:08:02,259 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:08:02,259 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:08:02,259 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:08:02,259 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:08:02,259 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:08:02,259 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:08:02,259 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:08:02,259 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:08:02,259 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:08:02,260 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:08:02,260 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:08:02,260 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:08:02,260 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:08:02,260 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:08:02,260 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:08:02,260 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:08:02,263 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:08:02,264 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:08:02,264 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:08:02,264 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:08:02,264 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:08:02,264 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:08:02,264 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:08:02,264 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:08:02,264 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:08:02,264 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:08:02,264 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:08:02,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 27cdb204cc37e8b1ae4c916f9eff82775b2980de5d97e2135b8c15849e257cda [2024-11-13 23:08:02,614 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:08:02,625 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:08:02,628 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:08:02,631 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:08:02,631 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:08:02,635 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0310.c Unable to find full path for "g++" [2024-11-13 23:08:04,593 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:08:04,947 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:08:04,948 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/sv-benchmarks/c/float-newlib/float_req_bl_0310.c [2024-11-13 23:08:04,967 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/data/5f4e2f77d/cec9bd085eaa4e7da5e346b5bc1db342/FLAG85ae5db49 [2024-11-13 23:08:04,987 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/data/5f4e2f77d/cec9bd085eaa4e7da5e346b5bc1db342 [2024-11-13 23:08:04,989 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:08:04,991 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:08:04,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:08:04,994 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:08:04,999 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:08:05,000 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:08:04" (1/1) ... [2024-11-13 23:08:05,002 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31b02e38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05, skipping insertion in model container [2024-11-13 23:08:05,002 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:08:04" (1/1) ... [2024-11-13 23:08:05,045 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:08:05,451 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_530afd8a-59d8-4eca-b513-54ff1481ab48/sv-benchmarks/c/float-newlib/float_req_bl_0310.c[15490,15503] [2024-11-13 23:08:05,455 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:08:05,509 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:08:05,645 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_530afd8a-59d8-4eca-b513-54ff1481ab48/sv-benchmarks/c/float-newlib/float_req_bl_0310.c[15490,15503] [2024-11-13 23:08:05,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:08:05,704 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:08:05,704 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05 WrapperNode [2024-11-13 23:08:05,704 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:08:05,705 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:08:05,706 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:08:05,706 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:08:05,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,744 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,815 INFO L138 Inliner]: procedures = 31, calls = 491, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 1094 [2024-11-13 23:08:05,816 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:08:05,817 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:08:05,817 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:08:05,817 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:08:05,823 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,824 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,835 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,906 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,926 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,931 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,935 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,944 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:08:05,945 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:08:05,945 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:08:05,945 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:08:05,946 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:08:05" (1/1) ... [2024-11-13 23:08:05,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:08:05,965 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:08:05,977 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:08:05,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:08:06,005 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2024-11-13 23:08:06,006 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2024-11-13 23:08:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:08:06,006 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:08:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 23:08:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:08:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 23:08:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:08:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2024-11-13 23:08:06,007 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2024-11-13 23:08:06,007 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-13 23:08:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-13 23:08:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-13 23:08:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 23:08:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-13 23:08:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-13 23:08:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-13 23:08:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:08:06,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:08:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:08:06,008 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:08:06,265 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:08:06,267 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:10:02,664 INFO L? ?]: Removed 248 outVars from TransFormulas that were not future-live. [2024-11-13 23:10:02,667 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:10:02,999 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:10:02,999 INFO L316 CfgBuilder]: Removed 59 assume(true) statements. [2024-11-13 23:10:02,999 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:02 BoogieIcfgContainer [2024-11-13 23:10:03,000 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:10:03,000 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:10:03,001 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:10:03,015 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:10:03,015 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:10:02" (1/1) ... [2024-11-13 23:10:03,023 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:10:03,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:03,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 169 states and 277 transitions. [2024-11-13 23:10:03,073 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 277 transitions. [2024-11-13 23:10:03,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 23:10:03,074 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:03,075 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:03,075 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:03,081 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:03,084 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:10:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:21,287 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:10:37,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:10:37,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:10:37,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:10:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:10:37,151 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:10:40,546 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:10:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:10:40,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2024-11-13 23:10:40,816 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2024-11-13 23:10:40,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:10:40,817 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:10:40,817 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:10:40,817 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:10:40,820 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:10:40,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:11:02,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:02,260 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:11:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:17,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:11:17,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:11:17,697 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:11:17,715 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 23:11:27,982 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 [] [2024-11-13 23:11:29,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:11:29,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 171 states and 282 transitions. [2024-11-13 23:11:29,146 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 282 transitions. [2024-11-13 23:11:29,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:11:29,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:11:29,150 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:11:29,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:11:29,153 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:11:29,158 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:11:46,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:11:46,110 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:01,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:01,902 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:12:01,903 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:01,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:12:01,920 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 23:12:01,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:01,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 280 states to 171 states and 280 transitions. [2024-11-13 23:12:01,930 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 280 transitions. [2024-11-13 23:12:01,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 23:12:01,931 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:01,931 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:01,931 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:01,933 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:01,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:12:19,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:19,157 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:12:34,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:34,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 390 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:12:34,724 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:12:34,726 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:12:34,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:12:44,782 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:12:45,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:45,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 171 states and 278 transitions. [2024-11-13 23:12:45,614 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 278 transitions. [2024-11-13 23:12:45,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:12:45,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:45,615 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:12:45,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:12:45,619 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:12:45,620 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:13:06,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:06,321 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:22,580 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:13:22,582 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:23,043 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:13:23,045 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-13 23:13:23,923 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:13:23,940 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 23:13:25,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:25,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 285 states to 173 states and 283 transitions. [2024-11-13 23:13:25,473 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 283 transitions. [2024-11-13 23:13:25,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 23:13:25,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:25,477 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:25,477 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:25,482 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:25,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 23:13:42,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:42,151 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:13:57,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:13:57,407 INFO L255 TraceCheckSpWp]: Trace formula consists of 402 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 23:13:57,409 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:13:57,775 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:13:57,787 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Forceful destruction successful, exit code 0 [2024-11-13 23:13:58,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:13:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 283 states to 173 states and 281 transitions. [2024-11-13 23:13:58,198 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 281 transitions. [2024-11-13 23:13:58,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:13:58,199 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:13:58,199 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:13:58,199 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:13:58,202 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:13:58,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 23:14:21,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:21,049 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:14:35,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:14:35,952 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:14:35,955 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:14:36,385 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 [2024-11-13 23:14:36,413 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 [2024-11-13 23:14:38,108 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:14:38,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 23:14:48,608 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 9.90s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:14:58,764 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:15:08,915 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:15:21,023 WARN L539 Checker$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] [2024-11-13 23:15:31,306 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:15:41,486 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:15:41,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:41,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 177 states and 289 transitions. [2024-11-13 23:15:41,798 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 289 transitions. [2024-11-13 23:15:41,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:15:41,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:41,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:41,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:41,802 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:41,803 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-11-13 23:16:03,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:03,477 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:19,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:19,879 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-13 23:16:19,881 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:20,309 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:16:20,310 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-13 23:16:21,106 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:16:21,134 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-11-13 23:16:32,781 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:16:42,946 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:16:43,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:43,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 177 states and 287 transitions. [2024-11-13 23:16:43,137 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 287 transitions. [2024-11-13 23:16:43,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 23:16:43,138 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:43,138 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:43,139 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:43,141 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:43,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-11-13 23:17:07,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:07,271 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:25,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 23:17:25,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:25,360 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:17:25,361 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2024-11-13 23:17:27,146 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:17:27,175 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-11-13 23:17:35,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:35,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 175 states and 281 transitions. [2024-11-13 23:17:35,632 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 281 transitions. [2024-11-13 23:17:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-11-13 23:17:35,633 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:35,634 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:35,634 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:35,636 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:35,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-11-13 23:18:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:00,053 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:20,381 INFO L255 TraceCheckSpWp]: Trace formula consists of 428 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:18:20,383 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:21,858 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:18:21,859 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2024-11-13 23:18:24,046 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:18:24,069 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (11)] Forceful destruction successful, exit code 0 [2024-11-13 23:18:28,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:28,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 286 states to 175 states and 280 transitions. [2024-11-13 23:18:28,008 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 280 transitions. [2024-11-13 23:18:28,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:18:28,009 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:28,010 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:28,010 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:28,012 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:28,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-11-13 23:18:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,752 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:19:12,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:12,958 INFO L255 TraceCheckSpWp]: Trace formula consists of 436 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 23:19:12,963 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:17,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:19:17,716 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-11-13 23:19:30,360 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 [] [2024-11-13 23:19:30,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:19:30,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 290 states to 177 states and 284 transitions. [2024-11-13 23:19:30,671 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 284 transitions. [2024-11-13 23:19:30,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-13 23:19:30,674 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:19:30,674 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:19:30,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:19:30,680 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:19:30,681 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-11-13 23:19:51,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:19:51,224 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:07,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:07,232 INFO L255 TraceCheckSpWp]: Trace formula consists of 427 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:20:07,233 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:07,235 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:07,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-11-13 23:20:17,265 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:20:17,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:20:17,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 288 states to 177 states and 282 transitions. [2024-11-13 23:20:17,612 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 282 transitions. [2024-11-13 23:20:17,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-11-13 23:20:17,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:20:17,616 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:20:17,616 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:20:17,618 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:20:17,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-11-13 23:20:41,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:41,805 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:20:56,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:20:57,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 439 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:20:57,020 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:20:57,453 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:20:57,454 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 16 [2024-11-13 23:20:58,707 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 23:20:58,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-11-13 23:21:08,926 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] [2024-11-13 23:21:09,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:21:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 177 states and 281 transitions. [2024-11-13 23:21:09,122 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states and 281 transitions. [2024-11-13 23:21:09,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-13 23:21:09,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:21:09,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:21:09,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:21:09,126 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:21:09,128 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_530afd8a-59d8-4eca-b513-54ff1481ab48/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-11-13 23:21:30,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:21:30,120 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported