./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_4-3a.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_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/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_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/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_1ea89cc2-e352-45f4-978d-d4c9284596ff/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 317cf552303296ead23517bc3cb76b321aca03eab157d3f1e74014baa7d95db0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:13,328 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:13,440 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 04:02:13,455 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 04:02:13,456 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 04:02:13,504 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:13,505 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:13,506 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:13,507 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:13,514 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:13,515 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:13,515 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:13,516 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:13,518 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 04:02:13,519 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:13,519 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:13,520 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:13,520 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:13,521 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:13,522 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:13,522 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:13,523 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:13,524 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:13,524 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:13,525 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:13,526 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:13,527 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:13,528 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:13,528 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:13,529 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:13,530 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 04:02:13,531 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 04:02:13,531 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:13,532 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_1ea89cc2-e352-45f4-978d-d4c9284596ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 317cf552303296ead23517bc3cb76b321aca03eab157d3f1e74014baa7d95db0 [2023-11-19 04:02:13,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:13,977 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:13,980 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:13,982 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:13,982 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:13,984 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c [2023-11-19 04:02:17,196 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:17,458 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:17,458 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c [2023-11-19 04:02:17,470 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/data/500cb7144/0c8eb0cb5863459090c7d414f33fb733/FLAG53c0bb2e3 [2023-11-19 04:02:17,486 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/data/500cb7144/0c8eb0cb5863459090c7d414f33fb733 [2023-11-19 04:02:17,489 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:17,491 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:17,493 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:17,493 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:17,499 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:17,500 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:17,501 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aeef4e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17, skipping insertion in model container [2023-11-19 04:02:17,502 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:17,544 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:17,755 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_1ea89cc2-e352-45f4-978d-d4c9284596ff/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[1995,2008] [2023-11-19 04:02:17,762 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_1ea89cc2-e352-45f4-978d-d4c9284596ff/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[2364,2377] [2023-11-19 04:02:17,828 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:17,841 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:17,865 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_1ea89cc2-e352-45f4-978d-d4c9284596ff/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[1995,2008] [2023-11-19 04:02:17,867 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_1ea89cc2-e352-45f4-978d-d4c9284596ff/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[2364,2377] [2023-11-19 04:02:17,936 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:17,954 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:17,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17 WrapperNode [2023-11-19 04:02:17,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:17,960 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:17,960 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:17,960 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:17,969 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:17,981 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:18,010 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-19 04:02:18,011 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:18,012 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:18,012 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:18,012 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:18,023 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:18,024 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:18,027 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:18,028 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:18,041 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:18,059 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:18,062 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:18,064 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:18,069 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:18,083 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:18,083 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:18,083 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:18,084 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:17" (1/1) ... [2023-11-19 04:02:18,091 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:18,104 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:18,117 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:18,146 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:18,170 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 04:02:18,171 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 04:02:18,171 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 04:02:18,172 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 04:02:18,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 04:02:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:18,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:02:18,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:02:18,328 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:18,331 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:19,001 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:19,217 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:19,217 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:02:19,224 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:19 BoogieIcfgContainer [2023-11-19 04:02:19,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:19,227 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:19,227 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:19,240 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:19,240 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:19" (1/1) ... [2023-11-19 04:02:19,252 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:19,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2023-11-19 04:02:19,346 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-11-19 04:02:19,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:02:19,348 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:19,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 04:02:19,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:19,455 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:02:19,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:19,522 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 04:02:19,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 04:02:19,543 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 04:02:19,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 04:02:19 ImpRootNode [2023-11-19 04:02:19,574 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 04:02:19,577 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 04:02:19,578 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 04:02:19,578 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 04:02:19,579 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:19" (3/4) ... [2023-11-19 04:02:19,590 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 04:02:19,593 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 04:02:19,595 INFO L158 Benchmark]: Toolchain (without parser) took 2103.24ms. Allocated memory is still 172.0MB. Free memory was 126.7MB in the beginning and 103.6MB in the end (delta: 23.1MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2023-11-19 04:02:19,596 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 85.4MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:19,597 INFO L158 Benchmark]: CACSL2BoogieTranslator took 462.48ms. Allocated memory is still 172.0MB. Free memory was 126.7MB in the beginning and 112.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:02:19,599 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.36ms. Allocated memory is still 172.0MB. Free memory was 112.5MB in the beginning and 110.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:19,600 INFO L158 Benchmark]: Boogie Preprocessor took 57.47ms. Allocated memory is still 172.0MB. Free memory was 110.5MB in the beginning and 108.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 04:02:19,602 INFO L158 Benchmark]: RCFGBuilder took 1141.99ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 116.1MB in the end (delta: -7.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. [2023-11-19 04:02:19,603 INFO L158 Benchmark]: CodeCheck took 347.35ms. Allocated memory is still 172.0MB. Free memory was 115.9MB in the beginning and 103.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 04:02:19,603 INFO L158 Benchmark]: Witness Printer took 16.48ms. Allocated memory is still 172.0MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 04:02:19,614 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 4 procedures, 51 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: [L309] COND TRUE __VERIFIER_nondet_int() [L310] 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 < 1.4f) 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 0.33ms. Allocated memory is still 117.4MB. Free memory was 85.4MB in the beginning and 85.4MB in the end (delta: 28.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 462.48ms. Allocated memory is still 172.0MB. Free memory was 126.7MB in the beginning and 112.5MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.36ms. Allocated memory is still 172.0MB. Free memory was 112.5MB in the beginning and 110.5MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.47ms. Allocated memory is still 172.0MB. Free memory was 110.5MB in the beginning and 108.9MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1141.99ms. Allocated memory is still 172.0MB. Free memory was 108.9MB in the beginning and 116.1MB in the end (delta: -7.2MB). Peak memory consumption was 15.4MB. Max. memory is 16.1GB. * CodeCheck took 347.35ms. Allocated memory is still 172.0MB. Free memory was 115.9MB in the beginning and 103.6MB in the end (delta: 12.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 16.48ms. Allocated memory is still 172.0MB. Free memory was 103.6MB in the beginning and 103.6MB in the end (delta: 2.7kB). 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 04:02:19,665 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/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_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/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_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/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_1ea89cc2-e352-45f4-978d-d4c9284596ff/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 317cf552303296ead23517bc3cb76b321aca03eab157d3f1e74014baa7d95db0 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 04:02:22,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 04:02:22,828 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 04:02:22,885 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 04:02:22,886 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 04:02:22,887 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 04:02:22,888 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 04:02:22,889 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 04:02:22,891 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 04:02:22,897 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 04:02:22,897 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 04:02:22,898 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 04:02:22,898 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 04:02:22,900 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 04:02:22,901 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 04:02:22,901 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 04:02:22,902 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 04:02:22,902 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 04:02:22,903 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 04:02:22,904 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 04:02:22,905 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 04:02:22,905 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 04:02:22,906 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 04:02:22,906 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 04:02:22,907 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 04:02:22,907 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:22,908 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:22,908 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 04:02:22,909 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:22,909 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 04:02:22,911 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 04:02:22,911 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 04:02:22,911 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 04:02:22,912 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:22,912 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 04:02:22,913 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 04:02:22,913 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 04:02:22,913 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_1ea89cc2-e352-45f4-978d-d4c9284596ff/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 317cf552303296ead23517bc3cb76b321aca03eab157d3f1e74014baa7d95db0 [2023-11-19 04:02:23,344 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 04:02:23,367 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 04:02:23,370 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 04:02:23,371 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 04:02:23,372 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 04:02:23,373 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c [2023-11-19 04:02:26,572 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 04:02:26,938 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 04:02:26,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c [2023-11-19 04:02:26,957 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/data/0358c24c9/942efbfe0e444464ab17098928f79e18/FLAG086d854b8 [2023-11-19 04:02:26,984 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/data/0358c24c9/942efbfe0e444464ab17098928f79e18 [2023-11-19 04:02:26,992 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 04:02:26,994 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 04:02:27,002 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:27,003 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 04:02:27,008 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 04:02:27,009 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:26" (1/1) ... [2023-11-19 04:02:27,011 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7b1351 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27, skipping insertion in model container [2023-11-19 04:02:27,011 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 04:02:26" (1/1) ... [2023-11-19 04:02:27,074 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 04:02:27,317 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_1ea89cc2-e352-45f4-978d-d4c9284596ff/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[1995,2008] [2023-11-19 04:02:27,326 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_1ea89cc2-e352-45f4-978d-d4c9284596ff/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[2364,2377] [2023-11-19 04:02:27,381 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:27,397 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 04:02:27,416 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_1ea89cc2-e352-45f4-978d-d4c9284596ff/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[1995,2008] [2023-11-19 04:02:27,418 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_1ea89cc2-e352-45f4-978d-d4c9284596ff/sv-benchmarks/c/combinations/square_7+soft_float_4-3a.c.cil.c[2364,2377] [2023-11-19 04:02:27,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 04:02:27,500 INFO L206 MainTranslator]: Completed translation [2023-11-19 04:02:27,502 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27 WrapperNode [2023-11-19 04:02:27,502 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 04:02:27,504 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:27,504 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 04:02:27,504 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 04:02:27,513 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,545 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,581 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-11-19 04:02:27,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 04:02:27,583 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 04:02:27,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 04:02:27,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 04:02:27,594 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,632 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,645 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,649 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,651 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,656 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 04:02:27,657 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 04:02:27,657 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 04:02:27,658 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 04:02:27,662 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 04:02:27" (1/1) ... [2023-11-19 04:02:27,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 04:02:27,687 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 04:02:27,704 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 04:02:27,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 04:02:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 04:02:27,762 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 04:02:27,763 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 04:02:27,763 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 04:02:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 04:02:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 04:02:27,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 04:02:27,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 04:02:27,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 04:02:27,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 04:02:27,907 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 04:02:27,912 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 04:02:38,677 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 04:02:38,758 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 04:02:38,759 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 04:02:38,769 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:38 BoogieIcfgContainer [2023-11-19 04:02:38,770 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 04:02:38,772 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 04:02:38,772 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 04:02:38,784 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 04:02:38,784 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 04:02:38" (1/1) ... [2023-11-19 04:02:38,792 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 04:02:38,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 04:02:38,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 51 states and 71 transitions. [2023-11-19 04:02:38,872 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 71 transitions. [2023-11-19 04:02:38,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 04:02:38,874 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 04:02:38,875 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 04:02:38,875 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 04:02:38,878 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 04:02:38,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1ea89cc2-e352-45f4-978d-d4c9284596ff/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process