./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL --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 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:32:28,909 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:32:29,024 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:32:29,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:32:29,032 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:32:29,069 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:32:29,070 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:32:29,070 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:32:29,072 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:32:29,076 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:32:29,077 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:32:29,078 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:32:29,078 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:32:29,080 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:32:29,080 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:32:29,081 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:32:29,081 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:32:29,082 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:32:29,082 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:32:29,083 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:32:29,083 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:32:29,084 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:32:29,085 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:32:29,085 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:32:29,085 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:32:29,086 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:32:29,087 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:29,087 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:32:29,088 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:32:29,089 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:32:29,090 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:32:29,090 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:32:29,090 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:32:29,091 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_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 [2023-11-19 02:32:29,481 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:32:29,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:32:29,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:32:29,514 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:32:29,514 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:32:29,516 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2023-11-19 02:32:32,502 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:32:32,705 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:32:32,706 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2023-11-19 02:32:32,716 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/data/0d4eaf969/f94cc93c77c840a48c43f31a2ff63ee9/FLAG2068ab551 [2023-11-19 02:32:32,781 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/data/0d4eaf969/f94cc93c77c840a48c43f31a2ff63ee9 [2023-11-19 02:32:32,785 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:32:32,786 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:32:32,789 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:32,789 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:32:32,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:32:32,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:32" (1/1) ... [2023-11-19 02:32:32,799 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@719d836 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:32, skipping insertion in model container [2023-11-19 02:32:32,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:32" (1/1) ... [2023-11-19 02:32:32,856 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:32:33,049 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_449deed8-da3d-4584-9f4c-96226846548c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2023-11-19 02:32:33,055 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_449deed8-da3d-4584-9f4c-96226846548c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2023-11-19 02:32:33,099 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:33,111 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:32:33,126 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_449deed8-da3d-4584-9f4c-96226846548c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2023-11-19 02:32:33,128 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_449deed8-da3d-4584-9f4c-96226846548c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2023-11-19 02:32:33,160 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:33,175 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:32:33,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33 WrapperNode [2023-11-19 02:32:33,176 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:33,177 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:33,178 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:32:33,178 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:32:33,187 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,202 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,240 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 02:32:33,241 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:33,242 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:32:33,242 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:32:33,242 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:32:33,252 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,255 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,256 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,263 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,268 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,275 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:32:33,276 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:32:33,277 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:32:33,277 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:32:33,278 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:33" (1/1) ... [2023-11-19 02:32:33,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:33,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:32:33,344 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:32:33,378 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:32:33,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:32:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:32:33,405 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:32:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:32:33,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:32:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:32:33,406 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:32:33,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:32:33,486 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:32:33,489 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:32:33,868 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:32:34,161 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:32:34,161 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:32:34,167 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:34 BoogieIcfgContainer [2023-11-19 02:32:34,168 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:32:34,171 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:32:34,171 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:32:34,184 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:32:34,184 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:34" (1/1) ... [2023-11-19 02:32:34,194 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:32:34,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:34,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 02:32:34,272 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 02:32:34,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:32:34,274 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:34,275 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:32:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:32:34,360 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:32:34,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:32:34,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:32:34,417 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:32:34,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:32:34,430 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:32:34,458 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:32:34 ImpRootNode [2023-11-19 02:32:34,459 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:32:34,461 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:32:34,461 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:32:34,461 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:32:34,462 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:34" (3/4) ... [2023-11-19 02:32:34,465 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:32:34,466 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:32:34,467 INFO L158 Benchmark]: Toolchain (without parser) took 1680.24ms. Allocated memory is still 180.4MB. Free memory was 152.3MB in the beginning and 97.0MB in the end (delta: 55.4MB). Peak memory consumption was 51.6MB. Max. memory is 16.1GB. [2023-11-19 02:32:34,468 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:32:34,468 INFO L158 Benchmark]: CACSL2BoogieTranslator took 387.88ms. Allocated memory is still 180.4MB. Free memory was 152.1MB in the beginning and 141.0MB in the end (delta: 11.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. [2023-11-19 02:32:34,470 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.91ms. Allocated memory is still 180.4MB. Free memory was 141.0MB in the beginning and 138.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:32:34,470 INFO L158 Benchmark]: Boogie Preprocessor took 33.82ms. Allocated memory is still 180.4MB. Free memory was 138.9MB in the beginning and 136.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:32:34,471 INFO L158 Benchmark]: RCFGBuilder took 891.48ms. Allocated memory is still 180.4MB. Free memory was 136.8MB in the beginning and 109.6MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2023-11-19 02:32:34,472 INFO L158 Benchmark]: CodeCheck took 288.51ms. Allocated memory is still 180.4MB. Free memory was 108.5MB in the beginning and 97.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:32:34,473 INFO L158 Benchmark]: Witness Printer took 5.01ms. Allocated memory is still 180.4MB. Free memory was 97.6MB in the beginning and 97.0MB in the end (delta: 642.5kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:32:34,478 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: 0.2s, 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 - 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 < 1.398f) 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 0.30ms. Allocated memory is still 130.0MB. Free memory is still 103.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 387.88ms. Allocated memory is still 180.4MB. Free memory was 152.1MB in the beginning and 141.0MB in the end (delta: 11.1MB). Peak memory consumption was 12.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.91ms. Allocated memory is still 180.4MB. Free memory was 141.0MB in the beginning and 138.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.82ms. Allocated memory is still 180.4MB. Free memory was 138.9MB in the beginning and 136.8MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 891.48ms. Allocated memory is still 180.4MB. Free memory was 136.8MB in the beginning and 109.6MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 288.51ms. Allocated memory is still 180.4MB. Free memory was 108.5MB in the beginning and 97.6MB in the end (delta: 10.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 5.01ms. Allocated memory is still 180.4MB. Free memory was 97.6MB in the beginning and 97.0MB in the end (delta: 642.5kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 02:32:34,524 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/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-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL --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 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:32:37,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:32:37,205 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:32:37,243 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:32:37,244 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:32:37,245 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:32:37,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:32:37,247 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:32:37,247 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:32:37,248 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:32:37,249 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:32:37,249 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:32:37,250 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:32:37,251 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:32:37,251 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:32:37,252 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:32:37,252 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:32:37,253 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:32:37,254 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:32:37,254 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:32:37,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:32:37,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:32:37,256 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:32:37,257 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:32:37,258 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:32:37,258 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:32:37,259 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:32:37,259 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:32:37,260 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:37,261 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:32:37,261 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:32:37,262 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:32:37,263 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:32:37,263 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:32:37,264 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:32:37,264 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:32:37,265 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:32:37,266 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_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 933072632c6a38270f958834ec21adc26eb3cd8e8e46c1ac850ead52e91fbd69 [2023-11-19 02:32:37,680 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:32:37,714 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:32:37,718 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:32:37,720 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:32:37,721 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:32:37,722 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2023-11-19 02:32:40,801 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:32:41,076 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:32:41,076 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c [2023-11-19 02:32:41,086 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/data/91100994c/89363fc2fed944c2808962ee2afa3b73/FLAG07f1735c3 [2023-11-19 02:32:41,100 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/data/91100994c/89363fc2fed944c2808962ee2afa3b73 [2023-11-19 02:32:41,102 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:32:41,103 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:32:41,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:41,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:32:41,109 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:32:41,110 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,111 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fbe295f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41, skipping insertion in model container [2023-11-19 02:32:41,111 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,144 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:32:41,307 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_449deed8-da3d-4584-9f4c-96226846548c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2023-11-19 02:32:41,313 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_449deed8-da3d-4584-9f4c-96226846548c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2023-11-19 02:32:41,352 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:41,384 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:32:41,404 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_449deed8-da3d-4584-9f4c-96226846548c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[1997,2010] [2023-11-19 02:32:41,406 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_449deed8-da3d-4584-9f4c-96226846548c/sv-benchmarks/c/combinations/square_2+soft_float_3a.c.cil.c[2366,2379] [2023-11-19 02:32:41,452 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:32:41,476 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:32:41,476 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41 WrapperNode [2023-11-19 02:32:41,477 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:32:41,478 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:41,478 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:32:41,478 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:32:41,485 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,512 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,550 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-19 02:32:41,551 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:32:41,552 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:32:41,553 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:32:41,553 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:32:41,562 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,563 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,579 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,594 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,607 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,611 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,618 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,622 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:32:41,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:32:41,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:32:41,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:32:41,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:32:41" (1/1) ... [2023-11-19 02:32:41,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:32:41,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:32:41,663 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:32:41,718 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:32:41,729 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:32:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:32:41,730 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:32:41,731 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:32:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:32:41,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:32:41,731 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:32:41,731 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:32:41,851 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:32:41,855 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:32:52,428 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:32:52,493 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:32:52,493 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:32:52,497 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:52 BoogieIcfgContainer [2023-11-19 02:32:52,498 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:32:52,498 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:32:52,499 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:32:52,508 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:32:52,508 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:32:52" (1/1) ... [2023-11-19 02:32:52,517 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:32:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:32:52,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 02:32:52,592 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 02:32:52,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:32:52,594 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:32:52,595 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:32:52,595 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:32:52,598 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:32:52,615 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_449deed8-da3d-4584-9f4c-96226846548c/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 02:32:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:32:59,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:33:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat