./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_3+soft_float_4-2a.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_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/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_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/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_42ccfc4c-6686-4e35-843c-5103fb133a2a/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 4ba0922fbaee541ed4ded1889d0ea25cfcdd1e879f7757f1ef1aa76d5475dafa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:25:03,797 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:25:03,957 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:25:03,963 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:25:03,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:25:04,015 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:25:04,016 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:25:04,017 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:25:04,018 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:25:04,024 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:25:04,026 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:25:04,026 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:25:04,027 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:25:04,029 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:25:04,030 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:25:04,030 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:25:04,031 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:25:04,031 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:25:04,032 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:25:04,032 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:25:04,033 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:25:04,033 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:25:04,034 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:25:04,034 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:25:04,035 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:25:04,036 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:25:04,036 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:04,037 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:25:04,037 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:25:04,038 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:25:04,040 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:25:04,040 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:25:04,040 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:25:04,040 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_42ccfc4c-6686-4e35-843c-5103fb133a2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ba0922fbaee541ed4ded1889d0ea25cfcdd1e879f7757f1ef1aa76d5475dafa [2023-11-19 03:25:04,341 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:25:04,373 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:25:04,376 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:25:04,377 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:25:04,379 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:25:04,380 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c [2023-11-19 03:25:07,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:25:07,830 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:25:07,831 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c [2023-11-19 03:25:07,849 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/data/c5814d139/8c66494044e646aaab52c6ff91db1c97/FLAG7e50ef353 [2023-11-19 03:25:07,868 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/data/c5814d139/8c66494044e646aaab52c6ff91db1c97 [2023-11-19 03:25:07,874 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:25:07,876 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:25:07,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:07,881 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:25:07,886 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:25:07,887 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:07" (1/1) ... [2023-11-19 03:25:07,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73701067 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:07, skipping insertion in model container [2023-11-19 03:25:07,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:07" (1/1) ... [2023-11-19 03:25:07,949 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:25:08,176 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_42ccfc4c-6686-4e35-843c-5103fb133a2a/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2023-11-19 03:25:08,184 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_42ccfc4c-6686-4e35-843c-5103fb133a2a/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2023-11-19 03:25:08,242 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:08,253 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:25:08,270 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_42ccfc4c-6686-4e35-843c-5103fb133a2a/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2023-11-19 03:25:08,272 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_42ccfc4c-6686-4e35-843c-5103fb133a2a/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2023-11-19 03:25:08,305 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:08,321 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:25:08,322 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08 WrapperNode [2023-11-19 03:25:08,322 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:08,323 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:08,324 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:25:08,324 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:25:08,332 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,344 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,368 INFO L138 Inliner]: procedures = 27, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 79 [2023-11-19 03:25:08,369 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:08,369 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:25:08,370 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:25:08,370 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:25:08,380 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,381 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,384 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,385 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,394 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,401 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,403 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,405 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,409 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:25:08,410 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:25:08,410 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:25:08,410 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:25:08,411 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:08" (1/1) ... [2023-11-19 03:25:08,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:08,434 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:25:08,446 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:25:08,451 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:25:08,481 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:25:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:25:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:25:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 03:25:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 03:25:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:25:08,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:25:08,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:25:08,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:25:08,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:25:08,569 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:25:08,575 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:09,041 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:09,280 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:09,280 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:25:09,286 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:09 BoogieIcfgContainer [2023-11-19 03:25:09,288 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:25:09,289 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:25:09,289 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:25:09,300 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:25:09,300 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:09" (1/1) ... [2023-11-19 03:25:09,313 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:25:09,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:09,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-19 03:25:09,372 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-19 03:25:09,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:25:09,374 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:09,375 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:25:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:09,478 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:09,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:09,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:09,542 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:25:09,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:25:09 ImpRootNode [2023-11-19 03:25:09,568 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:25:09,572 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:25:09,573 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:25:09,573 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:25:09,574 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:09" (3/4) ... [2023-11-19 03:25:09,581 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:25:09,582 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:25:09,584 INFO L158 Benchmark]: Toolchain (without parser) took 1706.75ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 112.2MB in the end (delta: 5.5MB). Peak memory consumption was 7.7MB. Max. memory is 16.1GB. [2023-11-19 03:25:09,585 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 130.0MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:09,586 INFO L158 Benchmark]: CACSL2BoogieTranslator took 442.37ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 103.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:25:09,587 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.36ms. Allocated memory is still 163.6MB. Free memory was 103.6MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:09,588 INFO L158 Benchmark]: Boogie Preprocessor took 39.72ms. Allocated memory is still 163.6MB. Free memory was 101.6MB in the beginning and 100.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:09,589 INFO L158 Benchmark]: RCFGBuilder took 878.43ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 124.1MB in the end (delta: -24.0MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. [2023-11-19 03:25:09,590 INFO L158 Benchmark]: CodeCheck took 279.21ms. Allocated memory is still 163.6MB. Free memory was 124.1MB in the beginning and 112.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:25:09,591 INFO L158 Benchmark]: Witness Printer took 10.54ms. Allocated memory is still 163.6MB. Free memory was 112.2MB in the beginning and 112.2MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:25:09,603 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, 49 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - 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: [L310] COND TRUE __VERIFIER_nondet_int() [L311] 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 < 1.39843f) 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 0.22ms. Allocated memory is still 130.0MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 442.37ms. Allocated memory is still 163.6MB. Free memory was 117.7MB in the beginning and 103.6MB in the end (delta: 14.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.36ms. Allocated memory is still 163.6MB. Free memory was 103.6MB in the beginning and 101.6MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 39.72ms. Allocated memory is still 163.6MB. Free memory was 101.6MB in the beginning and 100.4MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 878.43ms. Allocated memory is still 163.6MB. Free memory was 100.0MB in the beginning and 124.1MB in the end (delta: -24.0MB). Peak memory consumption was 37.1MB. Max. memory is 16.1GB. * CodeCheck took 279.21ms. Allocated memory is still 163.6MB. Free memory was 124.1MB in the beginning and 112.2MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 10.54ms. Allocated memory is still 163.6MB. Free memory was 112.2MB in the beginning and 112.2MB 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 03:25:09,651 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/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_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/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_42ccfc4c-6686-4e35-843c-5103fb133a2a/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 4ba0922fbaee541ed4ded1889d0ea25cfcdd1e879f7757f1ef1aa76d5475dafa --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:25:12,217 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:25:12,317 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:25:12,362 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:25:12,363 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:25:12,364 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:25:12,365 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:25:12,365 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:25:12,366 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:25:12,366 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:25:12,367 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:25:12,367 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:25:12,368 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:25:12,369 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:25:12,369 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:25:12,370 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:25:12,370 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:25:12,371 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:25:12,371 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:25:12,372 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:25:12,372 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:25:12,373 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:25:12,373 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:25:12,374 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:25:12,374 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:25:12,374 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:12,375 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:25:12,375 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:25:12,376 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:12,376 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:25:12,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:25:12,377 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:25:12,377 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:25:12,379 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:12,379 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:25:12,380 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:25:12,380 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:25:12,380 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_42ccfc4c-6686-4e35-843c-5103fb133a2a/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4ba0922fbaee541ed4ded1889d0ea25cfcdd1e879f7757f1ef1aa76d5475dafa [2023-11-19 03:25:12,775 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:25:12,798 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:25:12,801 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:25:12,803 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:25:12,804 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:25:12,808 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c [2023-11-19 03:25:16,068 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:25:16,398 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:25:16,398 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c [2023-11-19 03:25:16,410 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/data/f088d269d/4cf22a3ca7d24e34a85c53e0ddca23eb/FLAG4445bb83b [2023-11-19 03:25:16,435 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/data/f088d269d/4cf22a3ca7d24e34a85c53e0ddca23eb [2023-11-19 03:25:16,439 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:25:16,441 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:25:16,442 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:16,443 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:25:16,448 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:25:16,449 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:16,450 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@12e49f1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16, skipping insertion in model container [2023-11-19 03:25:16,451 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:16,487 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:25:16,721 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_42ccfc4c-6686-4e35-843c-5103fb133a2a/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2023-11-19 03:25:16,730 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_42ccfc4c-6686-4e35-843c-5103fb133a2a/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2023-11-19 03:25:16,814 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:16,838 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:25:16,865 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_42ccfc4c-6686-4e35-843c-5103fb133a2a/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[1999,2012] [2023-11-19 03:25:16,869 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_42ccfc4c-6686-4e35-843c-5103fb133a2a/sv-benchmarks/c/combinations/square_3+soft_float_4-2a.c.cil.c[2393,2406] [2023-11-19 03:25:16,918 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:25:16,946 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:25:16,947 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16 WrapperNode [2023-11-19 03:25:16,947 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:25:16,949 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:16,952 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:25:16,952 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:25:16,961 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:16,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:17,016 INFO L138 Inliner]: procedures = 28, calls = 19, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 75 [2023-11-19 03:25:17,018 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:25:17,019 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:25:17,020 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:25:17,021 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:25:17,030 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:17,031 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:17,052 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:17,055 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:17,065 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:17,074 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:17,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:17,090 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:17,095 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:25:17,096 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:25:17,096 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:25:17,096 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:25:17,097 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:25:16" (1/1) ... [2023-11-19 03:25:17,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:25:17,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:25:17,135 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:25:17,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:25:17,171 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:25:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:25:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:25:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:25:17,172 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2023-11-19 03:25:17,172 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2023-11-19 03:25:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:25:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:25:17,173 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:25:17,173 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:25:17,283 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:25:17,286 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:25:27,928 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:25:28,001 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:25:28,001 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:25:28,006 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:28 BoogieIcfgContainer [2023-11-19 03:25:28,006 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:25:28,007 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:25:28,007 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:25:28,017 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:25:28,017 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:25:28" (1/1) ... [2023-11-19 03:25:28,026 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:25:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:25:28,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 49 states and 68 transitions. [2023-11-19 03:25:28,085 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 68 transitions. [2023-11-19 03:25:28,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:25:28,086 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:25:28,087 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:25:28,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:25:28,088 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:25:28,109 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_42ccfc4c-6686-4e35-843c-5103fb133a2a/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:25:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:25:36,087 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:25:38,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat