./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_1+soft_float_1-2a.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_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/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_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/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_e1ddbe44-811b-49a7-8773-8581c15d64a4/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 2f3d0efaf33b93df425f185e68aa4bb5fd862b42784228ced2cb70c663695e18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:03:00,182 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:03:00,231 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:03:00,235 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:03:00,235 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:03:00,251 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:03:00,252 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:03:00,252 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:03:00,252 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:03:00,252 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:03:00,253 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:03:00,253 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:03:00,253 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:03:00,253 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:03:00,253 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:03:00,253 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:03:00,253 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:03:00,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:03:00,253 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:03:00,253 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:03:00,253 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:03:00,254 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:03:00,254 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:03:00,254 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:03:00,254 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:03:00,254 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:03:00,254 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:03:00,254 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:03:00,254 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:03:00,255 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:03:00,255 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:03:00,255 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:03:00,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:03:00,255 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_e1ddbe44-811b-49a7-8773-8581c15d64a4/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 -> 2f3d0efaf33b93df425f185e68aa4bb5fd862b42784228ced2cb70c663695e18 [2024-12-05 23:03:00,450 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:03:00,456 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:03:00,458 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:03:00,459 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:03:00,459 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:03:00,460 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c [2024-12-05 23:03:03,021 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/data/89b21c84e/ae2c111f9a3c4f74b9eb2952f7ca0d85/FLAG0eaba1937 [2024-12-05 23:03:03,224 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:03:03,224 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c [2024-12-05 23:03:03,232 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/data/89b21c84e/ae2c111f9a3c4f74b9eb2952f7ca0d85/FLAG0eaba1937 [2024-12-05 23:03:03,246 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/data/89b21c84e/ae2c111f9a3c4f74b9eb2952f7ca0d85 [2024-12-05 23:03:03,248 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:03:03,249 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:03:03,250 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:03:03,250 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:03:03,254 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:03:03,254 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,255 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2310ca27 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03, skipping insertion in model container [2024-12-05 23:03:03,255 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,274 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:03:03,389 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_e1ddbe44-811b-49a7-8773-8581c15d64a4/sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c[1996,2009] [2024-12-05 23:03:03,393 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_e1ddbe44-811b-49a7-8773-8581c15d64a4/sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c[2390,2403] [2024-12-05 23:03:03,439 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:03:03,446 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:03:03,457 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_e1ddbe44-811b-49a7-8773-8581c15d64a4/sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c[1996,2009] [2024-12-05 23:03:03,458 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_e1ddbe44-811b-49a7-8773-8581c15d64a4/sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c[2390,2403] [2024-12-05 23:03:03,489 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:03:03,502 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:03:03,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03 WrapperNode [2024-12-05 23:03:03,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:03:03,503 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:03:03,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:03:03,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:03:03,508 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,540 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 211 [2024-12-05 23:03:03,540 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:03:03,541 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:03:03,541 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:03:03,541 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:03:03,548 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,548 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,550 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,550 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,557 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,559 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,564 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,567 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,568 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,571 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:03:03,572 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:03:03,572 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:03:03,572 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:03:03,573 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:03" (1/1) ... [2024-12-05 23:03:03,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:03:03,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:03:03,606 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:03:03,609 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:03:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:03:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-05 23:03:03,632 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-05 23:03:03,632 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:03:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:03:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:03:03,633 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:03:03,633 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:03:03,697 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:03:03,698 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:03:04,047 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-12-05 23:03:04,047 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:03:04,252 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:03:04,252 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 23:03:04,252 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:03:04 BoogieIcfgContainer [2024-12-05 23:03:04,252 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:03:04,253 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:03:04,253 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:03:04,262 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:03:04,262 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:03:04" (1/1) ... [2024-12-05 23:03:04,269 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:03:04,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:04,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2024-12-05 23:03:04,317 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-12-05 23:03:04,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:03:04,318 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:04,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:03:04,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:03:04,395 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:03:04,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:03:04,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:03:04,429 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:03:04,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:03:04,441 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:03:04,457 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:03:04 ImpRootNode [2024-12-05 23:03:04,457 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:03:04,458 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:03:04,458 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:03:04,458 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:03:04,458 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:03:04" (3/4) ... [2024-12-05 23:03:04,461 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:03:04,461 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:03:04,462 INFO L158 Benchmark]: Toolchain (without parser) took 1213.14ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 63.8MB in the end (delta: 28.9MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-12-05 23:03:04,463 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:03:04,463 INFO L158 Benchmark]: CACSL2BoogieTranslator took 252.23ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 77.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:03:04,463 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.09ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:03:04,464 INFO L158 Benchmark]: Boogie Preprocessor took 30.50ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 74.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:03:04,464 INFO L158 Benchmark]: RCFGBuilder took 680.17ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.4MB in the end (delta: 58.1kB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-12-05 23:03:04,465 INFO L158 Benchmark]: CodeCheck took 204.19ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 63.8MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:03:04,465 INFO L158 Benchmark]: Witness Printer took 3.71ms. Allocated memory is still 117.4MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:03:04,467 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, 49 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: [L403] COND TRUE __VERIFIER_nondet_int() [L404] 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 0.28ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 252.23ms. Allocated memory is still 117.4MB. Free memory was 92.8MB in the beginning and 77.8MB in the end (delta: 15.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.09ms. Allocated memory is still 117.4MB. Free memory was 77.8MB in the beginning and 75.8MB in the end (delta: 2.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.50ms. Allocated memory is still 117.4MB. Free memory was 75.8MB in the beginning and 74.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 680.17ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 74.4MB in the end (delta: 58.1kB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * CodeCheck took 204.19ms. Allocated memory is still 117.4MB. Free memory was 74.4MB in the beginning and 63.8MB in the end (delta: 10.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.71ms. Allocated memory is still 117.4MB. Free memory is still 63.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:03:04,483 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/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_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/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_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/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_e1ddbe44-811b-49a7-8773-8581c15d64a4/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 2f3d0efaf33b93df425f185e68aa4bb5fd862b42784228ced2cb70c663695e18 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:03:06,428 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:03:06,502 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:03:06,527 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:03:06,527 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:03:06,528 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:03:06,528 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:03:06,528 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:03:06,528 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:03:06,528 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:03:06,528 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:03:06,529 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:03:06,530 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:03:06,530 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:03:06,530 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:03:06,530 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:03:06,530 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:06,530 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:03:06,530 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:03:06,530 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:03:06,530 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:03:06,530 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:03:06,530 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:03:06,530 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:03:06,531 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:06,531 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:03:06,531 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_e1ddbe44-811b-49a7-8773-8581c15d64a4/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 -> 2f3d0efaf33b93df425f185e68aa4bb5fd862b42784228ced2cb70c663695e18 [2024-12-05 23:03:06,771 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:03:06,779 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:03:06,781 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:03:06,782 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:03:06,783 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:03:06,784 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c [2024-12-05 23:03:09,465 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/data/25bf906ff/811f77649de74bbb99478842a8dceec8/FLAGb3dbc35aa [2024-12-05 23:03:09,647 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:03:09,648 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c [2024-12-05 23:03:09,656 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/data/25bf906ff/811f77649de74bbb99478842a8dceec8/FLAGb3dbc35aa [2024-12-05 23:03:10,010 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/data/25bf906ff/811f77649de74bbb99478842a8dceec8 [2024-12-05 23:03:10,012 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:03:10,013 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:03:10,014 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:03:10,015 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:03:10,019 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:03:10,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5865df44 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10, skipping insertion in model container [2024-12-05 23:03:10,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:03:10,165 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_e1ddbe44-811b-49a7-8773-8581c15d64a4/sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c[1996,2009] [2024-12-05 23:03:10,170 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_e1ddbe44-811b-49a7-8773-8581c15d64a4/sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c[2390,2403] [2024-12-05 23:03:10,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:03:10,227 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:03:10,237 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_e1ddbe44-811b-49a7-8773-8581c15d64a4/sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c[1996,2009] [2024-12-05 23:03:10,238 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/sv-benchmarks/c/combinations/square_1+soft_float_1-2a.c.cil.c[2390,2403] [2024-12-05 23:03:10,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:03:10,278 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:03:10,279 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10 WrapperNode [2024-12-05 23:03:10,279 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:03:10,280 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:03:10,280 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:03:10,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:03:10,286 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,315 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 168 [2024-12-05 23:03:10,316 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:03:10,316 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:03:10,316 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:03:10,316 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:03:10,323 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,323 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,327 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,327 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,346 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:03:10,346 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:03:10,346 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:03:10,346 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:03:10,347 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:03:10" (1/1) ... [2024-12-05 23:03:10,352 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:03:10,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:03:10,373 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:03:10,375 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-05 23:03:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-05 23:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:03:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:03:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-05 23:03:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-05 23:03:10,455 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:03:10,457 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:03:21,033 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-12-05 23:03:21,033 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:03:21,146 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:03:21,146 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-05 23:03:21,146 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:03:21 BoogieIcfgContainer [2024-12-05 23:03:21,147 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:03:21,147 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:03:21,147 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:03:21,154 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:03:21,154 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:03:21" (1/1) ... [2024-12-05 23:03:21,159 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:03:21,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:03:21,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2024-12-05 23:03:21,196 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-12-05 23:03:21,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-05 23:03:21,197 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:03:21,197 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:03:21,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:03:21,199 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:03:21,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e1ddbe44-811b-49a7-8773-8581c15d64a4/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:03:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:03:23,341 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:03:26,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat