./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_2+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_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b --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 af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:06:40,445 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:06:40,500 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:06:40,505 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:06:40,505 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:06:40,525 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:06:40,526 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:06:40,526 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:06:40,527 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:06:40,527 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:06:40,527 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:06:40,527 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:06:40,527 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:06:40,527 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:06:40,527 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:06:40,527 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:06:40,528 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:06:40,528 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:06:40,528 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:06:40,528 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:06:40,528 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:06:40,528 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:06:40,528 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:06:40,528 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:06:40,528 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:06:40,528 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:06:40,529 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:06:40,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:40,529 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:06:40,529 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:06:40,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:06:40,529 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:06:40,529 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:06:40,529 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_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b 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 -> af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c [2024-12-06 01:06:40,754 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:06:40,762 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:06:40,764 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:06:40,766 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:06:40,766 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:06:40,767 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2024-12-06 01:06:43,400 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/data/c1582491b/8dc33cc537a94a47b01d463e2d91eaae/FLAGbc8ee130c [2024-12-06 01:06:43,636 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:06:43,636 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2024-12-06 01:06:43,645 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/data/c1582491b/8dc33cc537a94a47b01d463e2d91eaae/FLAGbc8ee130c [2024-12-06 01:06:43,985 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/data/c1582491b/8dc33cc537a94a47b01d463e2d91eaae [2024-12-06 01:06:43,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:06:43,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:06:43,989 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:43,989 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:06:43,992 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:06:43,992 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:43" (1/1) ... [2024-12-06 01:06:43,993 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7e14d443 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:43, skipping insertion in model container [2024-12-06 01:06:43,993 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:43" (1/1) ... [2024-12-06 01:06:44,010 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:06:44,123 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_d99befc5-668d-470f-83c7-53e3110cbdf4/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2024-12-06 01:06:44,127 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_d99befc5-668d-470f-83c7-53e3110cbdf4/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2024-12-06 01:06:44,161 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:44,169 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:06:44,178 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_d99befc5-668d-470f-83c7-53e3110cbdf4/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2024-12-06 01:06:44,179 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_d99befc5-668d-470f-83c7-53e3110cbdf4/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2024-12-06 01:06:44,199 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:44,209 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:06:44,210 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44 WrapperNode [2024-12-06 01:06:44,210 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:44,211 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:44,211 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:06:44,211 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:06:44,215 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,223 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,236 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 77 [2024-12-06 01:06:44,237 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:44,237 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:06:44,237 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:06:44,237 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:06:44,243 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,244 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,245 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,249 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,256 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,259 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:06:44,260 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:06:44,260 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:06:44,260 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:06:44,261 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:44,279 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:06:44,290 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:06:44,293 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:06:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:06:44,317 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 01:06:44,317 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 01:06:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-12-06 01:06:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-12-06 01:06:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:06:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:06:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:06:44,318 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:06:44,318 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:06:44,382 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:06:44,383 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:06:44,653 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2024-12-06 01:06:44,653 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:06:44,772 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:06:44,772 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:06:44,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:44 BoogieIcfgContainer [2024-12-06 01:06:44,773 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:06:44,773 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:06:44,773 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:06:44,781 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:06:44,781 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:44" (1/1) ... [2024-12-06 01:06:44,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:06:44,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:06:44,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-12-06 01:06:44,828 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-12-06 01:06:44,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:06:44,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:06:44,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:06:44,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:44,902 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:06:44,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:44,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:44,941 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:06:44,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:06:44,953 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:06:44,969 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:06:44 ImpRootNode [2024-12-06 01:06:44,970 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:06:44,970 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:06:44,970 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:06:44,970 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:06:44,971 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:06:44" (3/4) ... [2024-12-06 01:06:44,973 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:06:44,974 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:06:44,975 INFO L158 Benchmark]: Toolchain (without parser) took 987.11ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 109.9MB in the end (delta: 6.6MB). Peak memory consumption was 4.9MB. Max. memory is 16.1GB. [2024-12-06 01:06:44,975 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:44,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 221.58ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 102.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:06:44,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.19ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 101.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:44,976 INFO L158 Benchmark]: Boogie Preprocessor took 21.56ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:44,976 INFO L158 Benchmark]: RCFGBuilder took 512.99ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 59.9MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-12-06 01:06:44,977 INFO L158 Benchmark]: CodeCheck took 196.26ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 110.6MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:44,977 INFO L158 Benchmark]: Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 109.9MB in the end (delta: 682.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:06:44,979 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 47, overapproximation of someBinaryFLOATComparisonOperation at line 40, 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 < 1.398f) [L48] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 221.58ms. Allocated memory is still 142.6MB. Free memory was 116.5MB in the beginning and 102.4MB in the end (delta: 14.1MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.19ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 101.0MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.56ms. Allocated memory is still 142.6MB. Free memory was 101.0MB in the beginning and 99.6MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 512.99ms. Allocated memory is still 142.6MB. Free memory was 99.6MB in the beginning and 59.9MB in the end (delta: 39.8MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 196.26ms. Allocated memory is still 142.6MB. Free memory was 59.6MB in the beginning and 110.6MB in the end (delta: -51.0MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.83ms. Allocated memory is still 142.6MB. Free memory was 110.6MB in the beginning and 109.9MB in the end (delta: 682.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:06:44,994 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/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_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b --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 af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:06:46,927 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:06:47,012 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:06:47,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:06:47,038 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:06:47,038 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:06:47,038 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:06:47,039 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:06:47,039 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:06:47,039 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:06:47,039 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:06:47,039 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:06:47,039 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:06:47,039 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:06:47,039 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:06:47,039 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:06:47,040 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:47,040 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:06:47,041 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:06:47,041 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:47,041 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:06:47,041 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:06:47,041 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:06:47,041 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:06:47,041 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:06:47,041 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:06:47,041 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_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b 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 -> af68db482217344707737f8e87f1bf38c34023f3266d60519ba723388f89d51c [2024-12-06 01:06:47,273 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:06:47,281 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:06:47,283 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:06:47,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:06:47,285 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:06:47,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2024-12-06 01:06:49,960 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/data/3364741ea/6383cddd43494f819eec2c1070ed2028/FLAG607af48a3 [2024-12-06 01:06:50,151 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:06:50,152 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c [2024-12-06 01:06:50,158 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/data/3364741ea/6383cddd43494f819eec2c1070ed2028/FLAG607af48a3 [2024-12-06 01:06:50,511 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/data/3364741ea/6383cddd43494f819eec2c1070ed2028 [2024-12-06 01:06:50,513 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:06:50,514 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:06:50,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:50,515 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:06:50,518 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:06:50,518 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,519 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76783ee2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50, skipping insertion in model container [2024-12-06 01:06:50,519 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,535 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:06:50,653 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_d99befc5-668d-470f-83c7-53e3110cbdf4/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2024-12-06 01:06:50,657 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_d99befc5-668d-470f-83c7-53e3110cbdf4/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2024-12-06 01:06:50,690 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:50,701 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:06:50,713 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_d99befc5-668d-470f-83c7-53e3110cbdf4/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[1997,2010] [2024-12-06 01:06:50,715 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_d99befc5-668d-470f-83c7-53e3110cbdf4/sv-benchmarks/c/combinations/square_2+soft_float_4-2a.c.cil.c[2391,2404] [2024-12-06 01:06:50,736 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:06:50,751 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:06:50,752 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50 WrapperNode [2024-12-06 01:06:50,752 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:06:50,753 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:50,753 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:06:50,753 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:06:50,759 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,768 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,784 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 73 [2024-12-06 01:06:50,785 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:06:50,785 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:06:50,785 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:06:50,785 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:06:50,791 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,792 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,794 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,794 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,801 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,802 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,807 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,808 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,811 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:06:50,812 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:06:50,812 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:06:50,812 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:06:50,813 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:06:50" (1/1) ... [2024-12-06 01:06:50,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:06:50,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:06:50,839 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:06:50,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:06:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:06:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:06:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 01:06:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 01:06:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-12-06 01:06:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-12-06 01:06:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:06:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:06:50,860 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:06:50,860 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:06:50,921 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:06:50,923 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:07:01,383 INFO L? ?]: Removed 44 outVars from TransFormulas that were not future-live. [2024-12-06 01:07:01,384 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:07:01,424 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:07:01,424 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:07:01,424 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:07:01 BoogieIcfgContainer [2024-12-06 01:07:01,424 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:07:01,425 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:07:01,425 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:07:01,431 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:07:01,431 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:07:01" (1/1) ... [2024-12-06 01:07:01,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:07:01,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:07:01,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 47 states and 65 transitions. [2024-12-06 01:07:01,469 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 65 transitions. [2024-12-06 01:07:01,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:07:01,470 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:07:01,471 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:07:01,471 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:07:01,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:07:01,474 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d99befc5-668d-470f-83c7-53e3110cbdf4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:07:07,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:07:07,275 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:07:12,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat