./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_1+soft_float_5a.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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/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 2353b893872e012206111abb166a426e9f40d30394d7ebef586e8dc818388f82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:47:59,895 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:47:59,949 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 04:47:59,953 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 04:47:59,953 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 04:47:59,972 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:47:59,973 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:47:59,973 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:47:59,973 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:47:59,974 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:47:59,974 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:47:59,974 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:47:59,974 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:47:59,974 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 04:47:59,974 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:47:59,974 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:47:59,974 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:47:59,974 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:47:59,975 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:47:59,975 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:47:59,975 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:47:59,975 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:47:59,975 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:47:59,975 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:47:59,975 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:47:59,975 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:47:59,975 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:47:59,975 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:47:59,976 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:47:59,976 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:47:59,976 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:47:59,976 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 04:47:59,976 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 04:47:59,976 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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/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 -> 2353b893872e012206111abb166a426e9f40d30394d7ebef586e8dc818388f82 [2024-12-06 04:48:00,185 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:48:00,192 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:48:00,194 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:48:00,195 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:48:00,195 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:48:00,197 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c [2024-12-06 04:48:02,786 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/data/980d7c52d/f82338beb7a745908b45fe008e028a27/FLAG55671c3a6 [2024-12-06 04:48:03,006 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:48:03,006 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c [2024-12-06 04:48:03,015 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/data/980d7c52d/f82338beb7a745908b45fe008e028a27/FLAG55671c3a6 [2024-12-06 04:48:03,029 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/data/980d7c52d/f82338beb7a745908b45fe008e028a27 [2024-12-06 04:48:03,032 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:48:03,033 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:48:03,034 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:48:03,035 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:48:03,038 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:48:03,038 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,039 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@d70b717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03, skipping insertion in model container [2024-12-06 04:48:03,039 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,059 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:48:03,199 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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[1996,2009] [2024-12-06 04:48:03,204 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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[2365,2378] [2024-12-06 04:48:03,241 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:48:03,250 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:48:03,259 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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[1996,2009] [2024-12-06 04:48:03,260 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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[2365,2378] [2024-12-06 04:48:03,280 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:48:03,293 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:48:03,293 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03 WrapperNode [2024-12-06 04:48:03,294 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:48:03,294 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:48:03,294 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:48:03,294 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:48:03,299 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,306 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,322 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 168 [2024-12-06 04:48:03,323 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:48:03,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:48:03,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:48:03,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:48:03,331 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,331 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,333 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,333 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,339 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,340 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,344 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,346 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,347 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:48:03,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:48:03,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:48:03,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:48:03,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:48:03,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:48:03,380 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:48:03,383 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:48:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:48:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 04:48:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 04:48:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 04:48:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:48:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:48:03,404 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:48:03,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:48:03,464 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:48:03,465 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:48:03,761 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-12-06 04:48:03,762 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:48:03,923 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:48:03,923 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 04:48:03,923 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:48:03 BoogieIcfgContainer [2024-12-06 04:48:03,924 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:48:03,924 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:48:03,924 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:48:03,934 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:48:03,935 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:48:03" (1/1) ... [2024-12-06 04:48:03,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:48:03,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:03,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2024-12-06 04:48:03,993 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2024-12-06 04:48:03,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:48:03,994 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:03,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 04:48:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:48:04,067 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:48:04,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:48:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:48:04,105 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:48:04,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:48:04,117 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 04:48:04,134 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 04:48:04 ImpRootNode [2024-12-06 04:48:04,134 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 04:48:04,135 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 04:48:04,135 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 04:48:04,135 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 04:48:04,136 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:48:03" (3/4) ... [2024-12-06 04:48:04,138 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 04:48:04,139 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 04:48:04,140 INFO L158 Benchmark]: Toolchain (without parser) took 1106.71ms. Allocated memory is still 142.6MB. Free memory was 119.1MB in the beginning and 101.1MB in the end (delta: 17.9MB). Peak memory consumption was 12.5MB. Max. memory is 16.1GB. [2024-12-06 04:48:04,141 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:48:04,141 INFO L158 Benchmark]: CACSL2BoogieTranslator took 259.47ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 104.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 04:48:04,141 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.42ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 102.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:48:04,142 INFO L158 Benchmark]: Boogie Preprocessor took 26.14ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:48:04,142 INFO L158 Benchmark]: RCFGBuilder took 573.81ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 112.1MB in the end (delta: -10.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. [2024-12-06 04:48:04,143 INFO L158 Benchmark]: CodeCheck took 210.21ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 101.6MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 04:48:04,143 INFO L158 Benchmark]: Witness Printer took 4.22ms. Allocated memory is still 142.6MB. Free memory is still 101.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 04:48:04,145 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 3 procedures, 43 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: [L322] COND TRUE __VERIFIER_nondet_int() [L323] 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 < 1.39f) [L48] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 82.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 259.47ms. Allocated memory is still 142.6MB. Free memory was 118.9MB in the beginning and 104.5MB in the end (delta: 14.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.42ms. Allocated memory is still 142.6MB. Free memory was 104.5MB in the beginning and 102.8MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.14ms. Allocated memory is still 142.6MB. Free memory was 102.7MB in the beginning and 101.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 573.81ms. Allocated memory is still 142.6MB. Free memory was 101.4MB in the beginning and 112.1MB in the end (delta: -10.7MB). Peak memory consumption was 46.1MB. Max. memory is 16.1GB. * CodeCheck took 210.21ms. Allocated memory is still 142.6MB. Free memory was 112.1MB in the beginning and 101.6MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.22ms. Allocated memory is still 142.6MB. Free memory is still 101.1MB. 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 04:48:04,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/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 2353b893872e012206111abb166a426e9f40d30394d7ebef586e8dc818388f82 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 04:48:06,061 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 04:48:06,131 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 04:48:06,156 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 04:48:06,157 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 04:48:06,157 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 04:48:06,158 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 04:48:06,158 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 04:48:06,158 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 04:48:06,158 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 04:48:06,158 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 04:48:06,158 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 04:48:06,158 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 04:48:06,158 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 04:48:06,159 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 04:48:06,159 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 04:48:06,159 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 04:48:06,159 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 04:48:06,159 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 04:48:06,159 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 04:48:06,159 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 04:48:06,159 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 04:48:06,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 04:48:06,160 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 04:48:06,160 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 04:48:06,160 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 04:48:06,160 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:06,160 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 04:48:06,160 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 04:48:06,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:48:06,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 04:48:06,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 04:48:06,161 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 04:48:06,161 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 04:48:06,161 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:06,161 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 04:48:06,161 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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/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 -> 2353b893872e012206111abb166a426e9f40d30394d7ebef586e8dc818388f82 [2024-12-06 04:48:06,388 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 04:48:06,395 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 04:48:06,398 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 04:48:06,399 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 04:48:06,399 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 04:48:06,400 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c [2024-12-06 04:48:09,088 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/data/e31d41d1b/198f86f37c054d42a3f37c949bec3195/FLAGedb90b7f4 [2024-12-06 04:48:09,289 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 04:48:09,290 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c [2024-12-06 04:48:09,298 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/data/e31d41d1b/198f86f37c054d42a3f37c949bec3195/FLAGedb90b7f4 [2024-12-06 04:48:09,641 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/data/e31d41d1b/198f86f37c054d42a3f37c949bec3195 [2024-12-06 04:48:09,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 04:48:09,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 04:48:09,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 04:48:09,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 04:48:09,647 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 04:48:09,648 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,648 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4aa4160b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09, skipping insertion in model container [2024-12-06 04:48:09,649 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,661 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 04:48:09,761 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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[1996,2009] [2024-12-06 04:48:09,765 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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[2365,2378] [2024-12-06 04:48:09,799 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:48:09,810 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 04:48:09,822 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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[1996,2009] [2024-12-06 04:48:09,823 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_84459e16-93e4-498a-a0e8-2f1cb6612ad7/sv-benchmarks/c/combinations/square_1+soft_float_5a.c.cil.c[2365,2378] [2024-12-06 04:48:09,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 04:48:09,864 INFO L204 MainTranslator]: Completed translation [2024-12-06 04:48:09,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09 WrapperNode [2024-12-06 04:48:09,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 04:48:09,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 04:48:09,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 04:48:09,866 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 04:48:09,872 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,900 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 132 [2024-12-06 04:48:09,901 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 04:48:09,901 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 04:48:09,901 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 04:48:09,901 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 04:48:09,908 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,908 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,912 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,912 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,919 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,920 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,923 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,925 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,926 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,929 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 04:48:09,930 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 04:48:09,930 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 04:48:09,930 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 04:48:09,931 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 04:48:09" (1/1) ... [2024-12-06 04:48:09,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 04:48:09,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 04:48:09,959 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 04:48:09,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 04:48:09,979 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 04:48:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 04:48:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 04:48:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 04:48:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 04:48:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 04:48:09,980 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 04:48:09,980 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 04:48:10,043 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 04:48:10,044 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 04:48:20,503 INFO L? ?]: Removed 54 outVars from TransFormulas that were not future-live. [2024-12-06 04:48:20,503 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 04:48:20,566 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 04:48:20,566 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 04:48:20,567 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:48:20 BoogieIcfgContainer [2024-12-06 04:48:20,567 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 04:48:20,568 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 04:48:20,568 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 04:48:20,577 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 04:48:20,577 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 04:48:20" (1/1) ... [2024-12-06 04:48:20,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 04:48:20,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 04:48:20,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 43 states and 62 transitions. [2024-12-06 04:48:20,628 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 62 transitions. [2024-12-06 04:48:20,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 04:48:20,629 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 04:48:20,630 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 04:48:20,630 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 04:48:20,632 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 04:48:20,633 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_84459e16-93e4-498a-a0e8-2f1cb6612ad7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 04:48:22,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 04:48:22,687 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 04:48:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat