./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi --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 98ed95c4a54f5ccebfa7d8542fee1c186675c886b13abb30be9edee4d8cb102c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:13:14,668 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:14,813 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:13:14,823 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:13:14,826 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:13:14,867 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:14,870 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:13:14,871 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:13:14,872 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:14,878 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:14,880 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:14,880 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:13:14,881 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:13:14,883 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:13:14,884 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:13:14,884 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:14,885 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:13:14,885 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:14,886 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:13:14,886 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:13:14,887 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:13:14,888 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:14,889 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:14,890 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:14,890 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:14,891 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:14,891 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:14,892 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:14,893 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:14,893 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:13:14,895 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:13:14,896 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:13:14,896 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:13:14,896 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98ed95c4a54f5ccebfa7d8542fee1c186675c886b13abb30be9edee4d8cb102c [2023-11-24 22:13:15,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:15,276 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:15,279 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:15,281 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:15,282 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:15,283 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c [2023-11-24 22:13:18,471 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:18,798 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:18,811 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c [2023-11-24 22:13:18,825 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/data/17a7297d2/7d7556f8929f46c7b0573a75e0c584fe/FLAG5bef9ca61 [2023-11-24 22:13:18,846 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/data/17a7297d2/7d7556f8929f46c7b0573a75e0c584fe [2023-11-24 22:13:18,852 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:18,854 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:18,858 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:18,858 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:18,864 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:18,865 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,868 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28f86254 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:18, skipping insertion in model container [2023-11-24 22:13:18,868 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:18" (1/1) ... [2023-11-24 22:13:18,924 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:19,112 WARN L240 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_b9e3758f-7c12-45b2-8662-0ee1e0238128/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[1995,2008] [2023-11-24 22:13:19,119 WARN L240 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_b9e3758f-7c12-45b2-8662-0ee1e0238128/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[2364,2377] [2023-11-24 22:13:19,178 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:19,198 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:19,217 WARN L240 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_b9e3758f-7c12-45b2-8662-0ee1e0238128/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[1995,2008] [2023-11-24 22:13:19,219 WARN L240 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_b9e3758f-7c12-45b2-8662-0ee1e0238128/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[2364,2377] [2023-11-24 22:13:19,257 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:19,274 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:19,275 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19 WrapperNode [2023-11-24 22:13:19,275 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:19,277 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:19,277 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:19,277 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:19,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,295 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,327 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-24 22:13:19,327 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:19,328 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:19,328 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:19,328 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:19,338 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,339 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,342 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,342 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,358 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,366 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:19,367 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:19,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:19,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:19,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:19" (1/1) ... [2023-11-24 22:13:19,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:19,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:19,403 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:19,419 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:13:19,440 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:13:19,440 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:13:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:19,441 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:13:19,441 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:13:19,536 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:19,538 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:19,944 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:20,293 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:20,294 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:13:20,296 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:20 BoogieIcfgContainer [2023-11-24 22:13:20,296 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:20,299 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:20,299 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:20,313 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:20,313 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:20" (1/1) ... [2023-11-24 22:13:20,328 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:20,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:20,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:13:20,421 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:13:20,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:13:20,423 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:20,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:20,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:20,535 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:13:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:20,609 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:13:20,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:20,627 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:13:20,654 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:13:20 ImpRootNode [2023-11-24 22:13:20,655 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:13:20,657 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:13:20,657 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:13:20,657 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:13:20,658 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:20" (3/4) ... [2023-11-24 22:13:20,662 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:13:20,663 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:13:20,665 INFO L158 Benchmark]: Toolchain (without parser) took 1810.10ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 87.0MB in the end (delta: 10.8MB). Peak memory consumption was 12.2MB. Max. memory is 16.1GB. [2023-11-24 22:13:20,665 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:20,666 INFO L158 Benchmark]: CACSL2BoogieTranslator took 417.91ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 83.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:13:20,667 INFO L158 Benchmark]: Boogie Procedure Inliner took 50.77ms. Allocated memory is still 140.5MB. Free memory was 83.4MB in the beginning and 81.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:20,668 INFO L158 Benchmark]: Boogie Preprocessor took 38.35ms. Allocated memory is still 140.5MB. Free memory was 81.2MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:20,669 INFO L158 Benchmark]: RCFGBuilder took 929.12ms. Allocated memory is still 140.5MB. Free memory was 79.2MB in the beginning and 99.6MB in the end (delta: -20.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2023-11-24 22:13:20,670 INFO L158 Benchmark]: CodeCheck took 356.24ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 87.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-24 22:13:20,671 INFO L158 Benchmark]: Witness Printer took 6.98ms. Allocated memory is still 140.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:20,681 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, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, 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 - 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 someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L320] COND TRUE __VERIFIER_nondet_int() [L321] 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; VAL [IN=2, x=2] [L47] COND TRUE !(result >= 0.0f && result < 1.5f) VAL [IN=2, x=2] [L48] reach_error() VAL [IN=2, x=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 100.7MB. Free memory is still 76.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 417.91ms. Allocated memory is still 140.5MB. Free memory was 97.8MB in the beginning and 83.4MB in the end (delta: 14.4MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 50.77ms. Allocated memory is still 140.5MB. Free memory was 83.4MB in the beginning and 81.2MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.35ms. Allocated memory is still 140.5MB. Free memory was 81.2MB in the beginning and 79.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 929.12ms. Allocated memory is still 140.5MB. Free memory was 79.2MB in the beginning and 99.6MB in the end (delta: -20.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * CodeCheck took 356.24ms. Allocated memory is still 140.5MB. Free memory was 99.6MB in the beginning and 87.7MB in the end (delta: 11.8MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.98ms. Allocated memory is still 140.5MB. Free memory is still 87.0MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:13:20,716 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi --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 98ed95c4a54f5ccebfa7d8542fee1c186675c886b13abb30be9edee4d8cb102c --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:13:23,607 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:23,742 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:13:23,796 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:23,797 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:13:23,798 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:13:23,800 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:23,800 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:23,802 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:23,807 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:13:23,807 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:13:23,808 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:13:23,809 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:23,810 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:13:23,811 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:23,812 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:13:23,812 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:13:23,813 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:13:23,813 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:13:23,815 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:13:23,816 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:13:23,817 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:23,817 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:23,818 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:23,818 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:23,819 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:23,819 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:23,820 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:23,820 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:23,821 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:23,822 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:23,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:13:23,823 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:13:23,824 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:23,824 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:13:23,825 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:13:23,825 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:23,825 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 98ed95c4a54f5ccebfa7d8542fee1c186675c886b13abb30be9edee4d8cb102c [2023-11-24 22:13:24,286 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:24,323 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:24,326 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:24,328 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:24,328 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:24,330 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c [2023-11-24 22:13:27,579 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:27,883 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:27,884 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c [2023-11-24 22:13:27,895 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/data/bb6b79595/0bd0264d22c146749553c0293533ae47/FLAG1c4775a4e [2023-11-24 22:13:27,909 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/data/bb6b79595/0bd0264d22c146749553c0293533ae47 [2023-11-24 22:13:27,911 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:27,913 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:27,914 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:27,914 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:27,919 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:27,920 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,921 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2af334e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:27, skipping insertion in model container [2023-11-24 22:13:27,921 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:27" (1/1) ... [2023-11-24 22:13:27,956 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:28,179 WARN L240 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_b9e3758f-7c12-45b2-8662-0ee1e0238128/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[1995,2008] [2023-11-24 22:13:28,187 WARN L240 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_b9e3758f-7c12-45b2-8662-0ee1e0238128/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[2364,2377] [2023-11-24 22:13:28,259 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:28,274 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:28,311 WARN L240 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_b9e3758f-7c12-45b2-8662-0ee1e0238128/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[1995,2008] [2023-11-24 22:13:28,313 WARN L240 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_b9e3758f-7c12-45b2-8662-0ee1e0238128/sv-benchmarks/c/combinations/square_8+soft_float_3a.c.cil.c[2364,2377] [2023-11-24 22:13:28,376 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:28,401 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:28,402 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28 WrapperNode [2023-11-24 22:13:28,402 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:28,403 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:28,403 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:28,404 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:28,412 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,455 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,492 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-24 22:13:28,494 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:28,495 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:28,495 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:28,495 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:28,505 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,505 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,510 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,511 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,526 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,543 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,545 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,549 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,558 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:28,559 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:28,560 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:28,567 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:28,568 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:28" (1/1) ... [2023-11-24 22:13:28,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:28,591 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:28,609 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:28,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:28,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:13:28,686 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:13:28,686 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:13:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:28,687 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:13:28,687 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:13:28,802 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:28,807 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:39,344 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:39,474 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:39,474 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:13:39,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:39 BoogieIcfgContainer [2023-11-24 22:13:39,476 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:39,477 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:39,477 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:39,488 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:39,489 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:39" (1/1) ... [2023-11-24 22:13:39,499 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:39,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:13:39,563 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:13:39,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:13:39,565 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:39,566 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:39,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:13:39,571 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:13:39,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-24 22:13:44,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 22:13:44,639 ERROR L592 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2023-11-24 22:13:54,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2023-11-24 22:13:54,968 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2023-11-24 22:13:54,970 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2023-11-24 22:13:54,974 INFO L158 Benchmark]: Toolchain (without parser) took 27059.96ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 49.2MB in the beginning and 59.9MB in the end (delta: -10.7MB). Peak memory consumption was 9.3MB. Max. memory is 16.1GB. [2023-11-24 22:13:54,974 INFO L158 Benchmark]: CDTParser took 0.25ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:54,975 INFO L158 Benchmark]: CACSL2BoogieTranslator took 488.21ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 49.1MB in the beginning and 70.5MB in the end (delta: -21.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. [2023-11-24 22:13:54,976 INFO L158 Benchmark]: Boogie Procedure Inliner took 91.02ms. Allocated memory is still 92.3MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:54,976 INFO L158 Benchmark]: Boogie Preprocessor took 63.80ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 66.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:54,977 INFO L158 Benchmark]: RCFGBuilder took 10917.10ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 67.9MB in the end (delta: -1.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. [2023-11-24 22:13:54,978 INFO L158 Benchmark]: CodeCheck took 15494.92ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 59.9MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2023-11-24 22:13:54,981 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:488) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25ms. Allocated memory is still 73.4MB. Free memory is still 49.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 488.21ms. Allocated memory was 73.4MB in the beginning and 92.3MB in the end (delta: 18.9MB). Free memory was 49.1MB in the beginning and 70.5MB in the end (delta: -21.5MB). Peak memory consumption was 18.3MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 91.02ms. Allocated memory is still 92.3MB. Free memory was 70.5MB in the beginning and 68.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 63.80ms. Allocated memory is still 92.3MB. Free memory was 68.4MB in the beginning and 66.7MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 10917.10ms. Allocated memory is still 92.3MB. Free memory was 66.4MB in the beginning and 67.9MB in the end (delta: -1.5MB). Peak memory consumption was 24.5MB. Max. memory is 16.1GB. * CodeCheck took 15494.92ms. Allocated memory is still 92.3MB. Free memory was 67.9MB in the beginning and 59.9MB in the end (delta: 8.0MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2023-11-24 22:13:55,046 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b9e3758f-7c12-45b2-8662-0ee1e0238128/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown