./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-newlib/float_req_bl_0920a.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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/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 d4bd0cf85a8b4097fbfac5e1603bb0ef2263d21f1b9906b4152c353aa17e726a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:36:32,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:36:32,999 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 20:36:33,004 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 20:36:33,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 20:36:33,038 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:36:33,039 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:36:33,039 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:36:33,040 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:36:33,040 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:36:33,040 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:36:33,040 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:36:33,040 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:36:33,040 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 20:36:33,041 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:36:33,041 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:36:33,041 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:36:33,041 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:36:33,041 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:36:33,041 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:36:33,041 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:36:33,041 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:36:33,041 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:36:33,042 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:36:33,042 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:36:33,042 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:36:33,042 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:36:33,042 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:33,042 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:36:33,042 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:36:33,042 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:36:33,043 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 20:36:33,043 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 20:36:33,043 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/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 -> d4bd0cf85a8b4097fbfac5e1603bb0ef2263d21f1b9906b4152c353aa17e726a [2024-11-13 20:36:33,331 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:36:33,339 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:36:33,341 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:36:33,342 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:36:33,343 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:36:33,344 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c Unable to find full path for "g++" [2024-11-13 20:36:35,189 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:36:35,502 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:36:35,506 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2024-11-13 20:36:35,536 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/data/4f614c6cf/442fe8df7ca04d9d954d6ae630dcede7/FLAGf59b44fc9 [2024-11-13 20:36:35,780 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/data/4f614c6cf/442fe8df7ca04d9d954d6ae630dcede7 [2024-11-13 20:36:35,782 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:36:35,784 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:36:35,788 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:35,788 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:36:35,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:36:35,794 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:35" (1/1) ... [2024-11-13 20:36:35,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2918782f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:35, skipping insertion in model container [2024-11-13 20:36:35,795 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:35" (1/1) ... [2024-11-13 20:36:35,814 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:36:36,031 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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c[3541,3554] [2024-11-13 20:36:36,035 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:36,050 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:36:36,107 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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c[3541,3554] [2024-11-13 20:36:36,108 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:36,132 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:36:36,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36 WrapperNode [2024-11-13 20:36:36,134 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:36,135 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:36,135 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:36:36,136 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:36:36,148 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,157 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,191 INFO L138 Inliner]: procedures = 19, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 202 [2024-11-13 20:36:36,191 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:36,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:36:36,195 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:36:36,195 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:36:36,204 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,204 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,211 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,223 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,230 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,236 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,237 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,243 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:36:36,246 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:36:36,246 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:36:36,246 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:36:36,247 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:36,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:36,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:36:36,285 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:36:36,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:36:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:36:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 20:36:36,318 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:36:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-11-13 20:36:36,319 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2024-11-13 20:36:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2024-11-13 20:36:36,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:36:36,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:36:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2024-11-13 20:36:36,321 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:36:36,418 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:36:36,419 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:36:36,762 INFO L? ?]: Removed 40 outVars from TransFormulas that were not future-live. [2024-11-13 20:36:36,762 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:36:36,981 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:36:36,981 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 20:36:36,982 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:36 BoogieIcfgContainer [2024-11-13 20:36:36,982 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:36:36,983 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:36:36,983 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:36:36,994 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:36:36,994 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:36" (1/1) ... [2024-11-13 20:36:37,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:36:37,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:37,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-11-13 20:36:37,065 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-11-13 20:36:37,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:36:37,067 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:37,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:37,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:37,265 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:36:37,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:37,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-13 20:36:37,322 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-13 20:36:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:36:37,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:37,323 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:37,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:36:37,379 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:36:37,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:36:37,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-11-13 20:36:37,391 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 20:36:37,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:36:37,391 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:36:37,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 20:36:37,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:37,492 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:36:37,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:37,654 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-13 20:36:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-13 20:36:37,728 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 3 iterations. [2024-11-13 20:36:37,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 08:36:37 ImpRootNode [2024-11-13 20:36:37,770 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 20:36:37,771 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 20:36:37,771 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 20:36:37,772 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 20:36:37,772 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:36:36" (3/4) ... [2024-11-13 20:36:37,775 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-13 20:36:37,776 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 20:36:37,779 INFO L158 Benchmark]: Toolchain (without parser) took 1993.03ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 106.6MB in the end (delta: 12.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-13 20:36:37,779 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:37,779 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.66ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 106.3MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:36:37,780 INFO L158 Benchmark]: Boogie Procedure Inliner took 58.62ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:36:37,780 INFO L158 Benchmark]: Boogie Preprocessor took 50.39ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:37,780 INFO L158 Benchmark]: RCFGBuilder took 736.35ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 68.1MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 20:36:37,781 INFO L158 Benchmark]: CodeCheck took 787.18ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 106.6MB in the end (delta: -38.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:36:37,781 INFO L158 Benchmark]: Witness Printer took 4.67ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 106.6MB in the end (delta: 27.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:36:37,787 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 26 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.7s, OverallIterations: 3, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 62 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 26 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 16 IncrementalHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 26 mSDtfsCounter, 16 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 140 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 34 NumberOfCodeBlocks, 34 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 20 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 142]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 136, overapproximation of someBinaryFLOATComparisonOperation at line 113, overapproximation of someBinaryArithmeticFLOAToperation at line 46. Possible FailurePath: [L26-L30] static const float ln2_hi_log = 6.9313812256e-01, ln2_lo_log = 9.0580006145e-06, two25_log = 3.355443200e+07, Lg1_log = 6.6666668653e-01, Lg2_log = 4.0000000596e-01, Lg3_log = 2.8571429849e-01, Lg4_log = 2.2222198546e-01, Lg5_log = 1.8183572590e-01, Lg6_log = 1.5313838422e-01, Lg7_log = 1.4798198640e-01; [L32] static const float zero_log = 0.0; [L134] float x = __VERIFIER_nondet_float(); [L136] EXPR x < 0 && isfinite_float(x) [L136] CALL, EXPR isfinite_float(x) [L117] __int32_t ix; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L119] ieee_float_shape_type gf_u; [L120] gf_u.value = (x) [L121] EXPR gf_u.word [L121] (ix) = gf_u.word [L123] ix &= 0x7fffffff [L124] return (((ix) < 0x7f800000L)); [L136] RET, EXPR isfinite_float(x) [L136] EXPR x < 0 && isfinite_float(x) VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L136] COND TRUE (x < 0 && isfinite_float(x)) [L138] CALL, EXPR __ieee754_logf(x) [L35] float hfsq, f, s, z, R, w, t1, t2, dk; [L36] __int32_t k, ix, i, j; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L39] ieee_float_shape_type gf_u; [L40] gf_u.value = (x) [L41] EXPR gf_u.word [L41] (ix) = gf_u.word [L44] k = 0 VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ix=0, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L45] COND TRUE ((ix & 0x7fffffff) == 0) [L46] return -two25_log / zero_log; VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, k=0, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, x=2, zero_log=0] [L138] RET, EXPR __ieee754_logf(x) [L138] float res = __ieee754_logf(x); [L141] CALL, EXPR isnan_float(res) [L113] return x != x; [L141] RET, EXPR isnan_float(res) [L141] COND TRUE !isnan_float(res) [L142] reach_error() VAL [Lg1_log=66666668653/100000000000, Lg2_log=10000000149/25000000000, Lg3_log=28571429849/100000000000, Lg4_log=11111099273/50000000000, Lg5_log=1818357259/10000000000, Lg6_log=7656919211/50000000000, Lg7_log=184977483/1250000000, ln2_hi_log=2166056633/3125000000, ln2_lo_log=18116001229/2000000000000000, two25_log=33554432, zero_log=0] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 142.6MB. Free memory is still 79.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.66ms. Allocated memory is still 142.6MB. Free memory was 119.3MB in the beginning and 106.3MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 58.62ms. Allocated memory is still 142.6MB. Free memory was 106.1MB in the beginning and 104.3MB in the end (delta: 1.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 50.39ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 102.8MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 736.35ms. Allocated memory is still 142.6MB. Free memory was 102.8MB in the beginning and 68.1MB in the end (delta: 34.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 787.18ms. Allocated memory is still 142.6MB. Free memory was 68.1MB in the beginning and 106.6MB in the end (delta: -38.5MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.67ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 106.6MB in the end (delta: 27.0kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-13 20:36:37,815 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/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 d4bd0cf85a8b4097fbfac5e1603bb0ef2263d21f1b9906b4152c353aa17e726a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 20:36:40,526 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 20:36:40,658 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-13 20:36:40,704 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 20:36:40,705 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 20:36:40,705 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 20:36:40,705 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 20:36:40,705 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 20:36:40,706 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 20:36:40,706 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 20:36:40,706 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 20:36:40,706 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 20:36:40,706 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 20:36:40,706 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 20:36:40,706 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 20:36:40,706 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 20:36:40,706 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-13 20:36:40,707 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-13 20:36:40,708 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 20:36:40,709 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-13 20:36:40,709 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 20:36:40,709 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 20:36:40,709 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 20:36:40,709 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 20:36:40,709 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 20:36:40,709 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 20:36:40,709 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:36:40,709 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-13 20:36:40,709 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 20:36:40,710 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:40,710 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 20:36:40,710 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 20:36:40,710 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 20:36:40,710 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-13 20:36:40,710 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-13 20:36:40,710 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-13 20:36:40,710 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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/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 -> d4bd0cf85a8b4097fbfac5e1603bb0ef2263d21f1b9906b4152c353aa17e726a [2024-11-13 20:36:41,034 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 20:36:41,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 20:36:41,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 20:36:41,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 20:36:41,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 20:36:41,053 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/float-newlib/float_req_bl_0920a.c Unable to find full path for "g++" [2024-11-13 20:36:42,938 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 20:36:43,192 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 20:36:43,195 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c [2024-11-13 20:36:43,206 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/data/7790b8a2a/f0b7c89a14fc41739af39c2993f714bc/FLAG41557f689 [2024-11-13 20:36:43,233 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/data/7790b8a2a/f0b7c89a14fc41739af39c2993f714bc [2024-11-13 20:36:43,235 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 20:36:43,237 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 20:36:43,240 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:43,241 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 20:36:43,246 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 20:36:43,247 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,250 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2958c221 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43, skipping insertion in model container [2024-11-13 20:36:43,250 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,271 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 20:36:43,521 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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c[3541,3554] [2024-11-13 20:36:43,526 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:43,546 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 20:36:43,608 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_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/sv-benchmarks/c/float-newlib/float_req_bl_0920a.c[3541,3554] [2024-11-13 20:36:43,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 20:36:43,632 INFO L204 MainTranslator]: Completed translation [2024-11-13 20:36:43,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43 WrapperNode [2024-11-13 20:36:43,633 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 20:36:43,635 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:43,635 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 20:36:43,635 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 20:36:43,642 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,662 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,697 INFO L138 Inliner]: procedures = 22, calls = 30, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 167 [2024-11-13 20:36:43,702 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 20:36:43,703 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 20:36:43,703 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 20:36:43,703 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 20:36:43,711 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,712 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,719 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,719 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,740 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,748 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,750 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,755 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,760 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 20:36:43,761 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 20:36:43,761 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 20:36:43,761 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 20:36:43,766 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 08:36:43" (1/1) ... [2024-11-13 20:36:43,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 20:36:43,792 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 20:36:43,808 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 20:36:43,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 20:36:43,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 20:36:43,841 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-13 20:36:43,841 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-13 20:36:43,842 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-11-13 20:36:43,843 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4 [2024-11-13 20:36:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 20:36:43,844 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 20:36:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intFLOATTYPE4 [2024-11-13 20:36:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4 [2024-11-13 20:36:43,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-13 20:36:43,970 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 20:36:43,972 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 20:37:36,821 INFO L? ?]: Removed 61 outVars from TransFormulas that were not future-live. [2024-11-13 20:37:36,821 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 20:37:36,946 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 20:37:36,949 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-13 20:37:36,950 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:36 BoogieIcfgContainer [2024-11-13 20:37:36,950 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 20:37:36,951 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 20:37:36,951 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 20:37:36,962 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 20:37:36,962 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 08:37:36" (1/1) ... [2024-11-13 20:37:36,970 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 20:37:37,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:37,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 26 states and 40 transitions. [2024-11-13 20:37:37,023 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 40 transitions. [2024-11-13 20:37:37,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 20:37:37,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:37,026 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:37,026 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:37:37,028 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:37:37,031 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-13 20:37:37,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:37,530 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:37:37,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:37,584 INFO L255 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:37:37,587 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:37:37,603 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:37:37,608 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-13 20:37:47,776 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 20:37:48,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:48,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 26 states and 37 transitions. [2024-11-13 20:37:48,164 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 37 transitions. [2024-11-13 20:37:48,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-13 20:37:48,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:48,164 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:48,165 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:37:48,169 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:37:48,170 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-11-13 20:37:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:48,608 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:37:48,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:48,664 INFO L255 TraceCheckSpWp]: Trace formula consists of 48 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-13 20:37:48,665 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:37:48,804 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:37:48,808 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-11-13 20:37:49,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:49,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38 states to 27 states and 38 transitions. [2024-11-13 20:37:49,037 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 38 transitions. [2024-11-13 20:37:49,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2024-11-13 20:37:49,037 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:49,038 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:49,038 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:37:49,040 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:37:49,042 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-11-13 20:37:49,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:49,495 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:37:49,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:49,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-13 20:37:49,541 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:37:49,543 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:37:49,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-11-13 20:37:49,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:49,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 27 states and 36 transitions. [2024-11-13 20:37:49,551 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 36 transitions. [2024-11-13 20:37:49,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 20:37:49,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:49,552 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:49,552 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:37:49,554 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:37:49,556 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-11-13 20:37:51,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:51,086 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:37:51,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:37:51,229 INFO L255 TraceCheckSpWp]: Trace formula consists of 64 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-13 20:37:51,232 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:37:52,713 INFO L159 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size [2024-11-13 20:37:52,715 INFO L164 QuantifierPusher]: treesize reduction 0, result has 100.0 percent of original size 15 [2024-11-13 20:37:53,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 20:37:53,137 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-11-13 20:37:58,519 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.15s for a HTC check with result INVALID. Formula has sorts [Bool, FloatingPoint, RoundingMode, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-11-13 20:37:58,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 20:37:58,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 27 states and 35 transitions. [2024-11-13 20:37:58,624 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 35 transitions. [2024-11-13 20:37:58,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-13 20:37:58,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 20:37:58,624 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-13 20:37:58,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 [2024-11-13 20:37:58,626 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-13 20:37:58,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-11-13 20:38:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:00,504 ERROR L567 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-13 20:38:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 20:38:00,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-13 20:38:00,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-13 20:38:02,907 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 20:38:02,949 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 20:38:16,271 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1) with exit command (exit)) stderr output: (error "out of memory") [2024-11-13 20:38:16,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 101 [2024-11-13 20:38:16,280 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7e4b442-fbcd-4f8e-a73d-cc2db12821d0/bin/ukojak-verify-EEHR8qb7sm/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-11-13 20:38:16,281 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.AssertionError: No Interpolants at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:467) 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 20:38:16,285 INFO L158 Benchmark]: Toolchain (without parser) took 93047.40ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 42.6MB in the end (delta: 18.6MB). Peak memory consumption was 14.5MB. Max. memory is 16.1GB. [2024-11-13 20:38:16,285 INFO L158 Benchmark]: CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:38:16,285 INFO L158 Benchmark]: CACSL2BoogieTranslator took 394.99ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 47.4MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 20:38:16,286 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.60ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:38:16,286 INFO L158 Benchmark]: Boogie Preprocessor took 57.39ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 43.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 20:38:16,287 INFO L158 Benchmark]: RCFGBuilder took 53189.33ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 57.4MB in the end (delta: -13.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. [2024-11-13 20:38:16,287 INFO L158 Benchmark]: CodeCheck took 39332.94ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 42.6MB in the end (delta: 14.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. [2024-11-13 20:38:16,290 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: AssertionError: No Interpolants de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: AssertionError: No Interpolants: de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.getInterpolants(InterpolatingTraceCheck.java:138) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.47ms. Allocated memory is still 83.9MB. Free memory was 64.8MB in the beginning and 64.7MB in the end (delta: 37.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 394.99ms. Allocated memory is still 83.9MB. Free memory was 61.2MB in the beginning and 47.4MB in the end (delta: 13.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.60ms. Allocated memory is still 83.9MB. Free memory was 47.4MB in the beginning and 45.5MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.39ms. Allocated memory is still 83.9MB. Free memory was 45.5MB in the beginning and 43.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 53189.33ms. Allocated memory is still 83.9MB. Free memory was 43.7MB in the beginning and 57.4MB in the end (delta: -13.6MB). Peak memory consumption was 29.7MB. Max. memory is 16.1GB. * CodeCheck took 39332.94ms. Allocated memory is still 83.9MB. Free memory was 57.4MB in the beginning and 42.6MB in the end (delta: 14.8MB). Peak memory consumption was 9.9MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: No Interpolants