./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.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_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/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_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/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_760d1b22-3e18-4496-ad19-9118db901e41/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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:12:04,044 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:12:04,109 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 23:12:04,113 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 23:12:04,114 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 23:12:04,147 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:12:04,148 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:12:04,148 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:12:04,148 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:12:04,148 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:12:04,150 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:12:04,150 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:12:04,151 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:12:04,151 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 23:12:04,151 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:12:04,151 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:12:04,152 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:12:04,152 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:12:04,152 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:12:04,152 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:12:04,152 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:12:04,152 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:12:04,152 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:12:04,152 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:12:04,152 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:12:04,152 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:12:04,153 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:12:04,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:12:04,153 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:12:04,153 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:12:04,153 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:12:04,153 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 23:12:04,153 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 23:12:04,153 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_760d1b22-3e18-4496-ad19-9118db901e41/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 -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2024-11-13 23:12:04,479 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:12:04,487 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:12:04,490 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:12:04,491 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:12:04,492 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:12:04,493 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c Unable to find full path for "g++" [2024-11-13 23:12:06,400 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:12:06,757 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:12:06,757 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2024-11-13 23:12:06,768 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/data/1a14a1e70/b069c59571cd40a49b59e6c255889482/FLAG21d933d1a [2024-11-13 23:12:06,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/data/1a14a1e70/b069c59571cd40a49b59e6c255889482 [2024-11-13 23:12:06,793 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:12:06,796 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:12:06,799 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:12:06,800 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:12:06,805 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:12:06,806 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:12:06" (1/1) ... [2024-11-13 23:12:06,810 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@69be6e5b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:06, skipping insertion in model container [2024-11-13 23:12:06,810 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:12:06" (1/1) ... [2024-11-13 23:12:06,854 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:12:07,238 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_760d1b22-3e18-4496-ad19-9118db901e41/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2024-11-13 23:12:07,242 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:12:07,285 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:12:07,401 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_760d1b22-3e18-4496-ad19-9118db901e41/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2024-11-13 23:12:07,402 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:12:07,442 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:12:07,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07 WrapperNode [2024-11-13 23:12:07,443 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:12:07,444 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:12:07,444 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:12:07,444 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:12:07,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,480 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,554 INFO L138 Inliner]: procedures = 26, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1082 [2024-11-13 23:12:07,554 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:12:07,555 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:12:07,555 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:12:07,555 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:12:07,563 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,572 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,572 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,660 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,671 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,679 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,691 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:12:07,694 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:12:07,694 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:12:07,694 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:12:07,695 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:12:07" (1/1) ... [2024-11-13 23:12:07,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:12:07,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:12:07,734 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:12:07,741 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:12:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:12:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2024-11-13 23:12:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~real [2024-11-13 23:12:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:12:07,765 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 23:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 23:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-13 23:12:07,766 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-13 23:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 23:12:07,766 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-13 23:12:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-13 23:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 23:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-13 23:12:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-13 23:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 23:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2024-11-13 23:12:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2024-11-13 23:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:12:07,767 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:12:07,767 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:12:08,014 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:12:08,016 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:12:22,320 INFO L? ?]: Removed 246 outVars from TransFormulas that were not future-live. [2024-11-13 23:12:22,320 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:12:22,861 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:12:22,862 INFO L316 CfgBuilder]: Removed 65 assume(true) statements. [2024-11-13 23:12:22,862 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:12:22 BoogieIcfgContainer [2024-11-13 23:12:22,862 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:12:22,863 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:12:22,863 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:12:22,873 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:12:22,873 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:12:22" (1/1) ... [2024-11-13 23:12:22,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:12:22,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:22,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 168 states and 277 transitions. [2024-11-13 23:12:22,944 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 277 transitions. [2024-11-13 23:12:22,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:12:22,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:22,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:12:44,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:12:45,081 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 23:12:55,148 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 23:12:55,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:12:55,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 168 states and 274 transitions. [2024-11-13 23:12:55,229 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 274 transitions. [2024-11-13 23:12:55,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:12:55,230 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:12:55,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 23:13:22,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:13:22,169 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 23:13:22,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 23:13:57,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-13 23:13:57,737 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 23:13:57,743 INFO L158 Benchmark]: Toolchain (without parser) took 110947.30ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 117.6MB in the beginning and 990.7MB in the end (delta: -873.0MB). Peak memory consumption was 626.9MB. Max. memory is 16.1GB. [2024-11-13 23:13:57,744 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 23:13:57,744 INFO L158 Benchmark]: CACSL2BoogieTranslator took 644.42ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 89.7MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 23:13:57,748 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.73ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 82.8MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:13:57,749 INFO L158 Benchmark]: Boogie Preprocessor took 137.13ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 76.0MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 23:13:57,749 INFO L158 Benchmark]: RCFGBuilder took 15168.68ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 75.8MB in the beginning and 173.8MB in the end (delta: -98.1MB). Peak memory consumption was 217.0MB. Max. memory is 16.1GB. [2024-11-13 23:13:57,750 INFO L158 Benchmark]: CodeCheck took 94879.51ms. Allocated memory was 427.8MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 173.8MB in the beginning and 990.7MB in the end (delta: -816.8MB). Peak memory consumption was 398.9MB. Max. memory is 16.1GB. [2024-11-13 23:13:57,753 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 0.38ms. Allocated memory is still 142.6MB. Free memory is still 78.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 644.42ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 89.7MB in the end (delta: 27.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.73ms. Allocated memory is still 142.6MB. Free memory was 89.5MB in the beginning and 82.8MB in the end (delta: 6.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 137.13ms. Allocated memory is still 142.6MB. Free memory was 82.8MB in the beginning and 76.0MB in the end (delta: 6.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 15168.68ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 75.8MB in the beginning and 173.8MB in the end (delta: -98.1MB). Peak memory consumption was 217.0MB. Max. memory is 16.1GB. * CodeCheck took 94879.51ms. Allocated memory was 427.8MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 173.8MB in the beginning and 990.7MB in the end (delta: -816.8MB). Peak memory consumption was 398.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-11-13 23:13:57,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/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_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/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_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/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_760d1b22-3e18-4496-ad19-9118db901e41/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 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 23:14:00,512 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 23:14:00,646 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 23:14:00,693 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 23:14:00,695 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 23:14:00,696 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 23:14:00,696 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 23:14:00,697 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 23:14:00,697 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 23:14:00,698 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 23:14:00,698 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 23:14:00,698 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 23:14:00,698 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 23:14:00,699 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 23:14:00,699 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 23:14:00,699 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 23:14:00,700 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:00,700 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 23:14:00,701 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 23:14:00,701 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:00,701 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 23:14:00,702 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 23:14:00,702 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 23:14:00,702 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 23:14:00,702 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 23:14:00,703 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 23:14:00,703 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_760d1b22-3e18-4496-ad19-9118db901e41/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 -> 6915ca7c38b22dabdfa0a60568fe3819ee729e5435cec7a2a93391b1f034f0d0 [2024-11-13 23:14:01,001 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 23:14:01,012 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 23:14:01,014 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 23:14:01,016 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 23:14:01,017 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 23:14:01,020 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0530b.c Unable to find full path for "g++" [2024-11-13 23:14:03,110 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 23:14:03,453 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 23:14:03,454 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c [2024-11-13 23:14:03,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/data/03d54da7b/95340a85d7eb4f82b01e3c7ab830b91e/FLAG0c1225d37 [2024-11-13 23:14:03,494 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/data/03d54da7b/95340a85d7eb4f82b01e3c7ab830b91e [2024-11-13 23:14:03,496 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 23:14:03,498 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 23:14:03,500 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:03,501 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 23:14:03,505 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 23:14:03,506 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:03" (1/1) ... [2024-11-13 23:14:03,508 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bade8e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:03, skipping insertion in model container [2024-11-13 23:14:03,508 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 11:14:03" (1/1) ... [2024-11-13 23:14:03,547 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 23:14:03,919 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_760d1b22-3e18-4496-ad19-9118db901e41/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2024-11-13 23:14:03,926 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:03,999 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 23:14:04,139 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_760d1b22-3e18-4496-ad19-9118db901e41/sv-benchmarks/c/float-newlib/float_req_bl_0530b.c[15592,15605] [2024-11-13 23:14:04,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 23:14:04,204 INFO L204 MainTranslator]: Completed translation [2024-11-13 23:14:04,205 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04 WrapperNode [2024-11-13 23:14:04,205 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 23:14:04,206 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:04,206 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 23:14:04,206 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 23:14:04,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,253 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,359 INFO L138 Inliner]: procedures = 30, calls = 519, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 1027 [2024-11-13 23:14:04,359 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 23:14:04,360 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 23:14:04,360 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 23:14:04,360 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 23:14:04,373 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,394 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,466 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,484 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,496 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,504 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,519 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 23:14:04,520 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 23:14:04,522 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 23:14:04,522 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 23:14:04,523 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 11:14:04" (1/1) ... [2024-11-13 23:14:04,533 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 23:14:04,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 23:14:04,569 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 23:14:04,573 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 23:14:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 23:14:04,600 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 23:14:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE4 [2024-11-13 23:14:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 23:14:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 23:14:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure fabs_float [2024-11-13 23:14:04,601 INFO L138 BoogieDeclarations]: Found implementation of procedure fabs_float [2024-11-13 23:14:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 23:14:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intINTTYPE4 [2024-11-13 23:14:04,601 INFO L130 BoogieDeclarations]: Found specification of procedure scalbn_float [2024-11-13 23:14:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure scalbn_float [2024-11-13 23:14:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 23:14:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure copysign_float [2024-11-13 23:14:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure copysign_float [2024-11-13 23:14:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure __kernel_tanf [2024-11-13 23:14:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure __kernel_tanf [2024-11-13 23:14:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~intFLOATTYPE4 [2024-11-13 23:14:04,602 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 23:14:04,602 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 23:14:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 23:14:04,603 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 23:14:04,805 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 23:14:04,807 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 23:15:48,323 INFO L? ?]: Removed 240 outVars from TransFormulas that were not future-live. [2024-11-13 23:15:48,323 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 23:15:48,656 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 23:15:48,657 INFO L316 CfgBuilder]: Removed 65 assume(true) statements. [2024-11-13 23:15:48,657 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:48 BoogieIcfgContainer [2024-11-13 23:15:48,657 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 23:15:48,658 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 23:15:48,658 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 23:15:48,668 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 23:15:48,668 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 11:15:48" (1/1) ... [2024-11-13 23:15:48,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 23:15:48,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:15:48,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 277 states to 168 states and 277 transitions. [2024-11-13 23:15:48,743 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 277 transitions. [2024-11-13 23:15:48,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 23:15:48,745 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:15:48,747 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:15:48,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:15:48,751 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:15:48,753 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 23:16:11,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:11,146 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:16:30,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:16:30,778 INFO L255 TraceCheckSpWp]: Trace formula consists of 363 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:16:30,781 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:16:30,795 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 23:16:30,806 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 23:16:40,968 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:16:41,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:16:41,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 274 states to 168 states and 274 transitions. [2024-11-13 23:16:41,049 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 274 transitions. [2024-11-13 23:16:41,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 23:16:41,052 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:16:41,052 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:16:41,053 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:16:41,055 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:16:41,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 23:17:03,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:03,823 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:17:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:24,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 375 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-13 23:17:24,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:17:24,760 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:17:24,762 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 14 [2024-11-13 23:17:25,170 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 23:17:25,186 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Forceful destruction successful, exit code 0 [2024-11-13 23:17:35,495 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [] [2024-11-13 23:17:36,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:17:36,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 48 states and 69 transitions. [2024-11-13 23:17:36,255 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 69 transitions. [2024-11-13 23:17:36,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-13 23:17:36,256 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:17:36,256 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:17:36,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:17:36,259 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:17:36,261 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 23:17:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:17:57,826 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:13,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:14,007 INFO L255 TraceCheckSpWp]: Trace formula consists of 394 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 23:18:14,008 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:18:14,011 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 23:18:14,023 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 23:18:14,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:18:14,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 48 states and 67 transitions. [2024-11-13 23:18:14,031 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 67 transitions. [2024-11-13 23:18:14,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:18:14,031 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:18:14,032 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:18:14,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:18:14,034 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:18:14,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 23:18:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:40,026 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:18:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:18:54,827 INFO L255 TraceCheckSpWp]: Trace formula consists of 406 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-13 23:18:54,829 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:19:22,925 WARN L286 SmtUtils]: Spent 8.74s on a formula simplification that was a NOOP. DAG size: 15 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:19:33,323 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 23:19:33,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 23:19:58,460 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:20:00,630 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:20:41,679 WARN L286 SmtUtils]: Spent 11.44s on a formula simplification that was a NOOP. DAG size: 16 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-11-13 23:20:51,708 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:21:01,989 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.28s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:21:07,226 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 5.24s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:21:11,011 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.78s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:21:15,657 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:21:17,180 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.52s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:21:27,300 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.12s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:21:37,558 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:21:41,212 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.65s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:21:50,037 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.40s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:21:56,501 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.46s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [] [2024-11-13 23:22:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 23:22:12,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 53 states and 76 transitions. [2024-11-13 23:22:12,599 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 76 transitions. [2024-11-13 23:22:12,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-13 23:22:12,600 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 23:22:12,600 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 23:22:12,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 23:22:12,603 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 23:22:12,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 23:22:37,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:37,004 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 23:22:56,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 23:22:56,619 INFO L255 TraceCheckSpWp]: Trace formula consists of 409 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 23:22:56,621 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 23:23:01,130 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 23:23:01,131 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 13 [2024-11-13 23:23:13,138 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 23:23:13,170 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_760d1b22-3e18-4496-ad19-9118db901e41/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 23:24:05,436 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:24:16,141 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.70s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:24:26,953 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.81s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:24:37,718 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.76s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=true, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:24:48,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.73s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:24:58,714 WARN L539 Checker$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 23:25:08,979 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.26s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:25:19,467 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 10.49s for a HTC check with result UNKNOWN. Formula has sorts [Bool, FloatingPoint, RoundingMode, Real, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 23:26:15,833 WARN L286 SmtUtils]: Spent 13.45s on a formula simplification that was a NOOP. DAG size: 30 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate)