./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.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_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/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_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/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_12749684-d31f-4c60-ac09-4e2fe493d914/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 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:35:28,934 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:35:29,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:35:29,017 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:35:29,018 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:35:29,046 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:35:29,047 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:35:29,047 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:35:29,047 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:35:29,047 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:35:29,047 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:35:29,048 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:35:29,049 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:35:29,049 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:35:29,049 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:35:29,051 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:35:29,052 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:35:29,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:35:29,052 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:35:29,052 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:35:29,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:35:29,052 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:35:29,052 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:35:29,052 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_12749684-d31f-4c60-ac09-4e2fe493d914/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 -> 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 [2024-11-13 22:35:29,415 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:35:29,428 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:35:29,433 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:35:29,436 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:35:29,437 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:35:29,438 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c Unable to find full path for "g++" [2024-11-13 22:35:31,392 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:35:31,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:35:31,796 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2024-11-13 22:35:31,810 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/data/466e3f739/6867eb3665c6489eba6aa7b2974d1ee4/FLAG7e0cfcb84 [2024-11-13 22:35:31,832 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/data/466e3f739/6867eb3665c6489eba6aa7b2974d1ee4 [2024-11-13 22:35:31,834 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:35:31,837 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:35:31,838 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:35:31,838 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:35:31,847 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:35:31,848 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:35:31" (1/1) ... [2024-11-13 22:35:31,851 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ec65393 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:31, skipping insertion in model container [2024-11-13 22:35:31,851 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:35:31" (1/1) ... [2024-11-13 22:35:31,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:35:32,273 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_12749684-d31f-4c60-ac09-4e2fe493d914/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2024-11-13 22:35:32,277 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:35:32,320 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:35:32,422 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_12749684-d31f-4c60-ac09-4e2fe493d914/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2024-11-13 22:35:32,423 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:35:32,466 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:35:32,467 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32 WrapperNode [2024-11-13 22:35:32,467 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:35:32,468 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:35:32,468 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:35:32,468 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:35:32,475 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,503 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,571 INFO L138 Inliner]: procedures = 27, calls = 490, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1142 [2024-11-13 22:35:32,571 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:35:32,572 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:35:32,572 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:35:32,572 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:35:32,580 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,580 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,590 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,648 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,673 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,677 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,680 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,688 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:35:32,689 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:35:32,689 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:35:32,689 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:35:32,690 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:35:32" (1/1) ... [2024-11-13 22:35:32,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:35:32,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:35:32,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:35:32,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:35:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2024-11-13 22:35:32,755 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2024-11-13 22:35:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:35:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 22:35:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 22:35:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:35:32,755 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 22:35:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 22:35:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 22:35:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2024-11-13 22:35:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2024-11-13 22:35:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-13 22:35:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-13 22:35:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 22:35:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-13 22:35:32,756 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-13 22:35:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:35:32,756 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:35:32,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:35:32,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:35:32,984 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:35:32,987 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:35:47,517 INFO L? ?]: Removed 243 outVars from TransFormulas that were not future-live. [2024-11-13 22:35:47,517 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:35:48,049 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:35:48,053 INFO L316 CfgBuilder]: Removed 59 assume(true) statements. [2024-11-13 22:35:48,053 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:35:48 BoogieIcfgContainer [2024-11-13 22:35:48,053 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:35:48,054 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:35:48,054 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:35:48,067 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:35:48,067 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:35:48" (1/1) ... [2024-11-13 22:35:48,076 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:35:48,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:35:48,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 169 states and 277 transitions. [2024-11-13 22:35:48,146 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 277 transitions. [2024-11-13 22:35:48,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:35:48,150 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:35:48,150 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:10,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:36:10,515 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 22:36:20,580 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 22:36:20,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:36:20,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2024-11-13 22:36:20,721 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2024-11-13 22:36:20,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:36:20,721 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:36:20,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:36:46,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:36:46,771 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 22:36:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 22:37:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 22:37:19,131 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 22:37:19,136 INFO L158 Benchmark]: Toolchain (without parser) took 107299.57ms. Allocated memory was 117.4MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 93.0MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 694.2MB. Max. memory is 16.1GB. [2024-11-13 22:37:19,137 INFO L158 Benchmark]: CDTParser took 1.53ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:37:19,138 INFO L158 Benchmark]: CACSL2BoogieTranslator took 629.28ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 65.5MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 22:37:19,138 INFO L158 Benchmark]: Boogie Procedure Inliner took 103.46ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 58.6MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:37:19,139 INFO L158 Benchmark]: Boogie Preprocessor took 116.32ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 52.0MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:37:19,139 INFO L158 Benchmark]: RCFGBuilder took 15364.37ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.0MB in the beginning and 263.6MB in the end (delta: -211.6MB). Peak memory consumption was 176.1MB. Max. memory is 16.1GB. [2024-11-13 22:37:19,140 INFO L158 Benchmark]: CodeCheck took 91081.19ms. Allocated memory was 352.3MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 263.6MB in the beginning and 1.2GB in the end (delta: -954.9MB). Peak memory consumption was 629.5MB. Max. memory is 16.1GB. [2024-11-13 22:37:19,143 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 1.53ms. Allocated memory is still 167.8MB. Free memory is still 104.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 629.28ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 65.5MB in the end (delta: 27.1MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 103.46ms. Allocated memory is still 117.4MB. Free memory was 65.5MB in the beginning and 58.6MB in the end (delta: 6.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.32ms. Allocated memory is still 117.4MB. Free memory was 58.6MB in the beginning and 52.0MB in the end (delta: 6.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 15364.37ms. Allocated memory was 117.4MB in the beginning and 352.3MB in the end (delta: 234.9MB). Free memory was 52.0MB in the beginning and 263.6MB in the end (delta: -211.6MB). Peak memory consumption was 176.1MB. Max. memory is 16.1GB. * CodeCheck took 91081.19ms. Allocated memory was 352.3MB in the beginning and 1.9GB in the end (delta: 1.6GB). Free memory was 263.6MB in the beginning and 1.2GB in the end (delta: -954.9MB). Peak memory consumption was 629.5MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 22:37:19,245 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/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_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/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_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/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_12749684-d31f-4c60-ac09-4e2fe493d914/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 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:37:21,810 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:37:21,916 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 22:37:21,985 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:37:21,987 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:37:21,987 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:37:21,987 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:37:21,987 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:37:21,988 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:37:21,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:37:21,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:37:21,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:37:21,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:37:21,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:37:21,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:37:21,991 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:37:21,991 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 22:37:21,991 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 22:37:21,991 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:37:21,991 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 22:37:21,992 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:37:21,992 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:37:21,992 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:37:21,992 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:37:21,992 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:37:21,992 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:37:21,992 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:37:21,992 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 22:37:21,993 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:37:21,993 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:37:21,993 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:37:21,993 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:37:21,993 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:37:21,993 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 22:37:21,993 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 22:37:21,993 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 22:37:21,994 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_12749684-d31f-4c60-ac09-4e2fe493d914/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 -> 95eb8e0e40012a8615a9537769628c64af20a86f83775a8e40d95f7e14e978d1 [2024-11-13 22:37:22,305 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:37:22,316 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:37:22,319 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:37:22,322 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:37:22,322 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:37:22,323 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0320b.c Unable to find full path for "g++" [2024-11-13 22:37:24,259 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:37:24,631 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:37:24,631 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c [2024-11-13 22:37:24,642 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/data/6e946bf5f/05a69db4e96540a891304567618b84e2/FLAG0dd8f59b0 [2024-11-13 22:37:24,662 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/data/6e946bf5f/05a69db4e96540a891304567618b84e2 [2024-11-13 22:37:24,664 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:37:24,667 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:37:24,669 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:37:24,670 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:37:24,675 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:37:24,676 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:37:24" (1/1) ... [2024-11-13 22:37:24,676 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4793cbdf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:24, skipping insertion in model container [2024-11-13 22:37:24,677 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:37:24" (1/1) ... [2024-11-13 22:37:24,719 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:37:25,100 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_12749684-d31f-4c60-ac09-4e2fe493d914/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2024-11-13 22:37:25,104 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:37:25,157 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:37:25,284 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_12749684-d31f-4c60-ac09-4e2fe493d914/sv-benchmarks/c/float-newlib/float_req_bl_0320b.c[15471,15484] [2024-11-13 22:37:25,285 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:37:25,335 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:37:25,335 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25 WrapperNode [2024-11-13 22:37:25,336 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:37:25,337 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:37:25,337 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:37:25,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:37:25,344 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,370 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,426 INFO L138 Inliner]: procedures = 31, calls = 490, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1088 [2024-11-13 22:37:25,426 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:37:25,427 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:37:25,427 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:37:25,427 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:37:25,438 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,439 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,462 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,463 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,532 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,537 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,548 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,563 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:37:25,565 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:37:25,565 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:37:25,565 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:37:25,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:37:25" (1/1) ... [2024-11-13 22:37:25,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:37:25,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:37:25,608 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:37:25,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:37:25,659 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_cosf [2024-11-13 22:37:25,659 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_cosf [2024-11-13 22:37:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:37:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 22:37:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 22:37:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 22:37:25,660 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 22:37:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 22:37:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_sinf [2024-11-13 22:37:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_sinf [2024-11-13 22:37:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-13 22:37:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-13 22:37:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-13 22:37:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 22:37:25,661 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-13 22:37:25,661 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-13 22:37:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-13 22:37:25,662 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:37:25,662 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:37:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 22:37:25,663 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 22:37:25,898 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:37:25,901 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:39:16,730 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live. [2024-11-13 22:39:16,730 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:39:17,083 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:39:17,089 INFO L316 CfgBuilder]: Removed 59 assume(true) statements. [2024-11-13 22:39:17,089 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:17 BoogieIcfgContainer [2024-11-13 22:39:17,090 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:39:17,090 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:39:17,090 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:39:17,105 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:39:17,106 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:39:17" (1/1) ... [2024-11-13 22:39:17,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:39:17,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:39:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 169 states and 277 transitions. [2024-11-13 22:39:17,171 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 277 transitions. [2024-11-13 22:39:17,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-13 22:39:17,173 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:39:17,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:39:17,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:39:17,179 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:39:17,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 22:39:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:34,569 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:39:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:39:50,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 342 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:39:50,161 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:39:50,179 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 22:39:50,192 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 22:40:00,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:40:00,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:00,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 169 states and 274 transitions. [2024-11-13 22:40:00,798 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 274 transitions. [2024-11-13 22:40:00,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:40:00,799 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:00,799 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:00,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:00,803 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:00,810 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 22:40:21,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:21,436 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:40:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:40:36,843 INFO L255 TraceCheckSpWp]: Trace formula consists of 354 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-13 22:40:36,845 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:40:36,956 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:40:36,958 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2024-11-13 22:40:37,247 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 22:40:37,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 22:40:41,967 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.59s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:40:42,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:40:42,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 34 transitions. [2024-11-13 22:40:42,899 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 34 transitions. [2024-11-13 22:40:42,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:40:42,900 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:40:42,900 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:40:42,900 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:40:42,905 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:40:42,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 22:41:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:00,074 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:15,291 INFO L255 TraceCheckSpWp]: Trace formula consists of 370 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 22:41:15,292 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:15,298 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 22:41:15,311 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Forceful destruction successful, exit code 0 [2024-11-13 22:41:15,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:41:15,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 32 transitions. [2024-11-13 22:41:15,327 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2024-11-13 22:41:15,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-13 22:41:15,328 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:41:15,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:41:15,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:41:15,334 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:41:15,352 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 22:41:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:35,533 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:41:51,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:41:51,927 INFO L255 TraceCheckSpWp]: Trace formula consists of 382 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-13 22:41:51,928 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:41:53,530 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 22:41:53,546 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Forceful destruction successful, exit code 0 [2024-11-13 22:41:59,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 22:42:12,992 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:42:23,138 WARN L539 Checker$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 [] [2024-11-13 22:42:33,281 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:42:43,434 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.15s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:42:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:42:45,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 32 states and 38 transitions. [2024-11-13 22:42:45,397 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 38 transitions. [2024-11-13 22:42:45,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 22:42:45,398 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:42:45,398 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:42:45,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:42:45,402 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:42:45,407 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 22:43:08,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:08,542 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:43:23,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:43:23,668 INFO L255 TraceCheckSpWp]: Trace formula consists of 384 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 22:43:23,669 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:43:24,324 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 22:43:24,353 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 22:43:27,128 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 22:43:27,152 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 22:43:55,607 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:44:05,753 WARN L539 Checker$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 22:44:15,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:44:26,084 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:44:39,849 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:44:51,403 WARN L539 Checker$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 22:45:01,641 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:45:11,889 WARN L539 Checker$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 22:45:22,025 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.14s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:45:22,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:45:22,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 36 states and 46 transitions. [2024-11-13 22:45:22,549 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 46 transitions. [2024-11-13 22:45:22,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 22:45:22,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:45:22,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:45:22,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:45:22,554 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:45:22,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-11-13 22:45:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:45:43,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:46:00,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:46:00,736 INFO L255 TraceCheckSpWp]: Trace formula consists of 385 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-13 22:46:00,737 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:46:04,217 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 22:46:04,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-11-13 22:46:37,904 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 22:46:48,064 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:46:58,355 WARN L539 Checker$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 22:47:08,518 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:47:18,689 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:47:37,168 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 22:47:51,158 WARN L539 Checker$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 22:48:01,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.02s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:48:11,723 WARN L539 Checker$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 22:48:12,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:48:12,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 38 states and 47 transitions. [2024-11-13 22:48:12,663 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 47 transitions. [2024-11-13 22:48:12,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 22:48:12,664 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:48:12,664 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 22:48:12,664 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 22:48:12,666 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 22:48:12,668 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-11-13 22:48:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:36,000 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 22:48:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:48:53,642 INFO L255 TraceCheckSpWp]: Trace formula consists of 388 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 22:48:53,644 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 22:48:53,876 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 22:48:53,877 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-13 22:48:56,986 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 22:48:57,014 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_12749684-d31f-4c60-ac09-4e2fe493d914/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-11-13 22:49:09,138 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:49:19,354 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.22s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:49:29,599 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.24s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:49:39,866 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.27s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:49:50,054 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:50:00,240 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.19s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:50:21,935 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 22:50:32,110 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.17s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0]