./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3 --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 4ba0922fbaee541ed4ded1889d0ea25cfcdd1e879f7757f1ef1aa76d5475dafa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:02:53,800 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:02:53,895 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 05:02:53,903 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 05:02:53,904 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 05:02:53,947 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:02:53,948 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:02:53,948 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:02:53,948 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:02:53,948 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:02:53,949 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:02:53,949 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:02:53,949 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:02:53,949 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 05:02:53,949 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:02:53,950 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:02:53,950 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:02:53,950 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:02:53,950 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:02:53,950 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:02:53,950 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:02:53,951 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:02:53,951 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:02:53,951 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:02:53,951 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:02:53,951 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:02:53,952 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:02:53,952 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:02:53,952 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:02:53,952 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:02:53,952 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:02:53,953 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 05:02:53,953 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 05:02:53,953 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_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3 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 -> 4ba0922fbaee541ed4ded1889d0ea25cfcdd1e879f7757f1ef1aa76d5475dafa [2024-11-25 05:02:54,291 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:02:54,303 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:02:54,309 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:02:54,311 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:02:54,312 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:02:54,313 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c [2024-11-25 05:02:57,344 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/data/76523f218/7995952a07574348b5897026514fcb94/FLAG9a586db9c [2024-11-25 05:02:57,689 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:02:57,690 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c [2024-11-25 05:02:57,701 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/data/76523f218/7995952a07574348b5897026514fcb94/FLAG9a586db9c [2024-11-25 05:02:57,727 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/data/76523f218/7995952a07574348b5897026514fcb94 [2024-11-25 05:02:57,731 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:02:57,734 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:02:57,736 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:02:57,737 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:02:57,743 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:02:57,745 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:02:57" (1/1) ... [2024-11-25 05:02:57,747 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@488d5790 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:57, skipping insertion in model container [2024-11-25 05:02:57,749 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:02:57" (1/1) ... [2024-11-25 05:02:57,786 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:02:58,028 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_a197b059-9c29-4590-a8ef-580882d05ed0/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2024-11-25 05:02:58,036 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_a197b059-9c29-4590-a8ef-580882d05ed0/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2024-11-25 05:02:58,112 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:02:58,128 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:02:58,148 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_a197b059-9c29-4590-a8ef-580882d05ed0/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2024-11-25 05:02:58,150 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_a197b059-9c29-4590-a8ef-580882d05ed0/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2024-11-25 05:02:58,211 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:02:58,237 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:02:58,237 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58 WrapperNode [2024-11-25 05:02:58,237 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:02:58,238 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:02:58,239 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:02:58,239 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:02:58,246 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,258 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,289 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2024-11-25 05:02:58,290 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:02:58,290 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:02:58,290 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:02:58,290 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:02:58,302 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,303 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,310 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,321 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,335 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,337 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,342 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,344 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:02:58,349 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:02:58,349 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:02:58,349 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:02:58,350 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:02:58" (1/1) ... [2024-11-25 05:02:58,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:02:58,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:02:58,404 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:02:58,408 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:02:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:02:58,437 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-25 05:02:58,438 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-25 05:02:58,438 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-25 05:02:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-25 05:02:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 05:02:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:02:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:02:58,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:02:58,439 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:02:58,544 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:02:58,547 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:02:59,081 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-11-25 05:02:59,085 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:02:59,413 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:02:59,414 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 05:02:59,415 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:59 BoogieIcfgContainer [2024-11-25 05:02:59,415 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:02:59,416 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:02:59,416 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:02:59,431 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:02:59,432 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:59" (1/1) ... [2024-11-25 05:02:59,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:02:59,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:02:59,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-25 05:02:59,509 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-25 05:02:59,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:02:59,511 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:02:59,513 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 05:02:59,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:02:59,611 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:02:59,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:02:59,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:02:59,667 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:02:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:02:59,683 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 05:02:59,707 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 05:02:59 ImpRootNode [2024-11-25 05:02:59,707 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 05:02:59,709 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 05:02:59,709 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 05:02:59,710 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 05:02:59,710 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:02:59" (3/4) ... [2024-11-25 05:02:59,713 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 05:02:59,714 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 05:02:59,716 INFO L158 Benchmark]: Toolchain (without parser) took 1982.39ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 31.4MB in the end (delta: 67.7MB). Peak memory consumption was 67.1MB. Max. memory is 16.1GB. [2024-11-25 05:02:59,718 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:02:59,718 INFO L158 Benchmark]: CACSL2BoogieTranslator took 502.32ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 85.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 05:02:59,719 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.31ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:02:59,719 INFO L158 Benchmark]: Boogie Preprocessor took 57.67ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 82.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:02:59,720 INFO L158 Benchmark]: RCFGBuilder took 1066.96ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 42.4MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 05:02:59,720 INFO L158 Benchmark]: CodeCheck took 291.57ms. Allocated memory is still 142.6MB. Free memory was 42.4MB in the beginning and 31.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 05:02:59,724 INFO L158 Benchmark]: Witness Printer took 4.99ms. Allocated memory is still 142.6MB. Free memory was 31.8MB in the beginning and 31.4MB in the end (delta: 333.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 05:02:59,726 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 4 procedures, 47 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 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, ConComCheckerStatistics: No data available - UnprovableResult [Line: 48]: 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 40, overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L310] COND TRUE __VERIFIER_nondet_int() [L311] CALL main1() [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L34] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN >= 0.0f && IN < 1.0f) [L42] float x = IN; [L44-L45] float result = 1.0f + 0.5f*x - 0.125f*x*x + 0.0625f*x*x*x - 0.0390625f*x*x*x*x; [L47] COND TRUE !(result >= 0.0f && result < 1.39843f) [L48] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 167.8MB. Free memory is still 106.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 502.32ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 85.0MB in the end (delta: 14.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.31ms. Allocated memory is still 142.6MB. Free memory was 85.0MB in the beginning and 83.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 57.67ms. Allocated memory is still 142.6MB. Free memory was 83.6MB in the beginning and 82.2MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 1066.96ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 42.4MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 291.57ms. Allocated memory is still 142.6MB. Free memory was 42.4MB in the beginning and 31.8MB in the end (delta: 10.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.99ms. Allocated memory is still 142.6MB. Free memory was 31.8MB in the beginning and 31.4MB in the end (delta: 333.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 05:02:59,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, 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_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3 --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 4ba0922fbaee541ed4ded1889d0ea25cfcdd1e879f7757f1ef1aa76d5475dafa --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 05:03:02,841 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 05:03:02,976 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 05:03:03,028 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 05:03:03,029 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 05:03:03,029 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 05:03:03,030 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 05:03:03,030 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 05:03:03,030 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 05:03:03,030 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 05:03:03,030 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 05:03:03,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 05:03:03,031 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 05:03:03,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 05:03:03,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 05:03:03,031 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 05:03:03,031 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 05:03:03,031 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 05:03:03,031 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 05:03:03,031 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 05:03:03,032 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 05:03:03,032 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 05:03:03,032 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 05:03:03,032 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 05:03:03,032 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 05:03:03,032 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 05:03:03,032 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:03:03,032 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 05:03:03,032 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 05:03:03,033 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:03:03,033 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 05:03:03,033 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 05:03:03,033 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 05:03:03,033 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 05:03:03,033 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 05:03:03,033 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 05:03:03,034 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_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3 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 -> 4ba0922fbaee541ed4ded1889d0ea25cfcdd1e879f7757f1ef1aa76d5475dafa [2024-11-25 05:03:03,398 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 05:03:03,407 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 05:03:03,410 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 05:03:03,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 05:03:03,412 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 05:03:03,413 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c [2024-11-25 05:03:06,499 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/data/d69a231c9/b651778dc82d41f1a8d5693f9f9c69c5/FLAGd3ab88d4a [2024-11-25 05:03:06,794 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 05:03:06,798 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c [2024-11-25 05:03:06,813 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/data/d69a231c9/b651778dc82d41f1a8d5693f9f9c69c5/FLAGd3ab88d4a [2024-11-25 05:03:07,068 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/data/d69a231c9/b651778dc82d41f1a8d5693f9f9c69c5 [2024-11-25 05:03:07,071 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 05:03:07,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 05:03:07,075 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 05:03:07,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 05:03:07,082 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 05:03:07,083 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,083 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@316a0d24 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07, skipping insertion in model container [2024-11-25 05:03:07,084 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,113 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 05:03:07,315 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_a197b059-9c29-4590-a8ef-580882d05ed0/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2024-11-25 05:03:07,322 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_a197b059-9c29-4590-a8ef-580882d05ed0/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2024-11-25 05:03:07,386 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:03:07,400 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 05:03:07,416 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_a197b059-9c29-4590-a8ef-580882d05ed0/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2024-11-25 05:03:07,418 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_a197b059-9c29-4590-a8ef-580882d05ed0/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2024-11-25 05:03:07,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 05:03:07,482 INFO L204 MainTranslator]: Completed translation [2024-11-25 05:03:07,483 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07 WrapperNode [2024-11-25 05:03:07,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 05:03:07,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 05:03:07,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 05:03:07,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 05:03:07,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,511 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,539 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-11-25 05:03:07,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 05:03:07,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 05:03:07,542 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 05:03:07,542 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 05:03:07,549 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,550 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,553 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,553 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,571 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,572 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,580 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,586 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,588 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,592 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 05:03:07,593 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 05:03:07,593 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 05:03:07,593 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 05:03:07,594 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 05:03:07" (1/1) ... [2024-11-25 05:03:07,600 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 05:03:07,615 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 05:03:07,629 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 05:03:07,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 05:03:07,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 05:03:07,665 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 05:03:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-25 05:03:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-25 05:03:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-25 05:03:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-25 05:03:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 05:03:07,666 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 05:03:07,666 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-25 05:03:07,667 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-25 05:03:07,754 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 05:03:07,757 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 05:03:18,370 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-11-25 05:03:18,370 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 05:03:18,464 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 05:03:18,464 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-11-25 05:03:18,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:03:18 BoogieIcfgContainer [2024-11-25 05:03:18,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 05:03:18,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 05:03:18,480 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 05:03:18,491 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 05:03:18,491 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 05:03:18" (1/1) ... [2024-11-25 05:03:18,500 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 05:03:18,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 05:03:18,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-11-25 05:03:18,567 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-11-25 05:03:18,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 05:03:18,569 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 05:03:18,571 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 05:03:18,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 05:03:18,577 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 05:03:18,581 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_a197b059-9c29-4590-a8ef-580882d05ed0/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 05:03:26,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 05:03:26,243 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 05:03:33,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat