./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 032bdbaadc57a40b0ab079d12fe59c315df9e45b2b10a57560568a476c18d976 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:12:58,845 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:12:58,959 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:12:58,965 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:12:58,966 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:12:58,991 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:12:58,992 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:12:58,993 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:12:58,994 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:12:58,994 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:12:58,995 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:12:58,996 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:12:58,997 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:12:58,997 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:12:58,998 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:12:58,999 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:12:58,999 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:12:59,000 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:12:59,001 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:12:59,001 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:12:59,002 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:12:59,003 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:12:59,004 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:12:59,005 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:12:59,005 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:12:59,006 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:12:59,007 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:12:59,008 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:12:59,008 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:12:59,009 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:12:59,010 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:12:59,010 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:12:59,011 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:12:59,011 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_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 032bdbaadc57a40b0ab079d12fe59c315df9e45b2b10a57560568a476c18d976 [2023-11-24 22:12:59,272 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:12:59,295 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:12:59,298 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:12:59,300 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:12:59,300 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:12:59,302 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c [2023-11-24 22:13:02,570 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:02,821 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:02,829 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c [2023-11-24 22:13:02,843 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/data/da35083f8/e271813fc45a48ea846c207e0892381e/FLAGbf0f82b85 [2023-11-24 22:13:02,860 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/data/da35083f8/e271813fc45a48ea846c207e0892381e [2023-11-24 22:13:02,863 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:02,865 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:02,867 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:02,867 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:02,873 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:02,874 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:02" (1/1) ... [2023-11-24 22:13:02,875 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8695747 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:02, skipping insertion in model container [2023-11-24 22:13:02,876 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:02" (1/1) ... [2023-11-24 22:13:02,918 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:03,092 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_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c[1995,2008] [2023-11-24 22:13:03,099 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_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c[2364,2377] [2023-11-24 22:13:03,144 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:03,156 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:03,173 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_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c[1995,2008] [2023-11-24 22:13:03,175 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_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c[2364,2377] [2023-11-24 22:13:03,211 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:03,228 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:03,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03 WrapperNode [2023-11-24 22:13:03,229 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:03,230 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:03,231 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:03,231 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:03,240 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,251 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,281 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-24 22:13:03,282 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:03,283 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:03,283 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:03,284 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:03,294 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,295 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,298 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,299 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,307 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,312 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,315 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,317 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,321 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:03,322 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:03,322 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:03,323 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:03,324 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:03" (1/1) ... [2023-11-24 22:13:03,330 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:03,348 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:03,362 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:03,385 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:03,413 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:13:03,413 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:13:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:13:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:03,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:03,414 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:13:03,415 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:13:03,505 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:03,507 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:04,114 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:04,315 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:04,316 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:13:04,318 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:04 BoogieIcfgContainer [2023-11-24 22:13:04,318 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:04,319 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:04,319 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:04,330 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:04,331 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:04" (1/1) ... [2023-11-24 22:13:04,340 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:04,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:04,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:13:04,402 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:13:04,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:13:04,404 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:04,405 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:13:04,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:04,497 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:13:04,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:04,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:04,566 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:13:04,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:13:04,579 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:13:04,603 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:13:04 ImpRootNode [2023-11-24 22:13:04,604 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:13:04,605 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:13:04,605 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:13:04,605 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:13:04,614 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:04" (3/4) ... [2023-11-24 22:13:04,616 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:13:04,618 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:13:04,619 INFO L158 Benchmark]: Toolchain (without parser) took 1753.75ms. Allocated memory is still 197.1MB. Free memory was 159.3MB in the beginning and 161.4MB in the end (delta: -2.1MB). Peak memory consumption was 173.0kB. Max. memory is 16.1GB. [2023-11-24 22:13:04,620 INFO L158 Benchmark]: CDTParser took 0.36ms. Allocated memory is still 134.2MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:04,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.13ms. Allocated memory is still 197.1MB. Free memory was 159.3MB in the beginning and 144.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 51.83ms. Allocated memory is still 197.1MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,623 INFO L158 Benchmark]: Boogie Preprocessor took 38.27ms. Allocated memory is still 197.1MB. Free memory was 142.5MB in the beginning and 140.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,624 INFO L158 Benchmark]: RCFGBuilder took 996.17ms. Allocated memory is still 197.1MB. Free memory was 140.4MB in the beginning and 99.1MB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2023-11-24 22:13:04,626 INFO L158 Benchmark]: CodeCheck took 284.70ms. Allocated memory is still 197.1MB. Free memory was 99.1MB in the beginning and 161.4MB in the end (delta: -62.3MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:04,627 INFO L158 Benchmark]: Witness Printer took 13.31ms. Allocated memory is still 197.1MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:13:04,639 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L322] COND TRUE __VERIFIER_nondet_int() [L323] 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 0.36ms. Allocated memory is still 134.2MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.13ms. Allocated memory is still 197.1MB. Free memory was 159.3MB in the beginning and 144.6MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 51.83ms. Allocated memory is still 197.1MB. Free memory was 144.6MB in the beginning and 142.5MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 38.27ms. Allocated memory is still 197.1MB. Free memory was 142.5MB in the beginning and 140.4MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 996.17ms. Allocated memory is still 197.1MB. Free memory was 140.4MB in the beginning and 99.1MB in the end (delta: 41.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. * CodeCheck took 284.70ms. Allocated memory is still 197.1MB. Free memory was 99.1MB in the beginning and 161.4MB in the end (delta: -62.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 13.31ms. Allocated memory is still 197.1MB. Free memory is still 161.4MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:13:04,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 032bdbaadc57a40b0ab079d12fe59c315df9e45b2b10a57560568a476c18d976 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:13:07,366 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:13:07,519 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:13:07,578 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:13:07,579 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:13:07,580 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:13:07,582 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:13:07,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:13:07,584 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:13:07,589 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:13:07,590 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:13:07,591 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:13:07,591 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:13:07,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:13:07,594 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:13:07,594 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:13:07,595 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:13:07,595 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:13:07,596 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:13:07,597 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:13:07,597 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:13:07,598 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:13:07,599 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:13:07,599 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:13:07,600 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:13:07,600 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:07,601 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:07,601 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:13:07,602 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:07,602 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:13:07,604 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:13:07,604 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:13:07,604 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:13:07,605 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:07,605 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:13:07,606 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:13:07,606 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:13:07,606 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_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 032bdbaadc57a40b0ab079d12fe59c315df9e45b2b10a57560568a476c18d976 [2023-11-24 22:13:08,059 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:13:08,090 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:13:08,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:13:08,095 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:13:08,096 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:13:08,097 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c [2023-11-24 22:13:11,273 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:13:11,582 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:13:11,583 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c [2023-11-24 22:13:11,597 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/data/639f20015/24ca42887a6747d9a48ed3e84c731497/FLAGc05112208 [2023-11-24 22:13:11,611 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/data/639f20015/24ca42887a6747d9a48ed3e84c731497 [2023-11-24 22:13:11,613 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:13:11,615 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:13:11,617 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:11,617 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:13:11,621 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:13:11,622 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:11" (1/1) ... [2023-11-24 22:13:11,623 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@254a9a8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:11, skipping insertion in model container [2023-11-24 22:13:11,623 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:13:11" (1/1) ... [2023-11-24 22:13:11,667 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:13:11,854 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_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c[1995,2008] [2023-11-24 22:13:11,862 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_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c[2364,2377] [2023-11-24 22:13:11,944 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:11,973 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:13:12,014 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_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c[1995,2008] [2023-11-24 22:13:12,016 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_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/sv-benchmarks/c/combinations/square_7+soft_float_2a.c.cil.c[2364,2377] [2023-11-24 22:13:12,105 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:13:12,130 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:13:12,131 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12 WrapperNode [2023-11-24 22:13:12,131 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:13:12,133 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:12,137 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:13:12,137 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:13:12,146 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,179 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,228 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-24 22:13:12,230 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:13:12,231 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:13:12,231 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:13:12,232 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:13:12,242 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,243 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,258 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,269 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,281 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,304 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,307 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,309 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,324 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:13:12,325 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:13:12,325 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:13:12,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:13:12,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:13:12" (1/1) ... [2023-11-24 22:13:12,333 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:13:12,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:13:12,368 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:13:12,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:13:12,420 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:13:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 22:13:12,421 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:13:12,422 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:13:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:13:12,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:13:12,422 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:13:12,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:13:12,560 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:13:12,564 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:13:23,249 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:13:23,348 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:13:23,348 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:13:23,350 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:23 BoogieIcfgContainer [2023-11-24 22:13:23,350 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:13:23,351 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:13:23,352 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:13:23,363 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:13:23,363 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:13:23" (1/1) ... [2023-11-24 22:13:23,373 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:13:23,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:13:23,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:13:23,440 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:13:23,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:13:23,442 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:13:23,443 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 22:13:23,443 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 22:13:23,449 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 22:13:23,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb57a8a3-0cfa-4c47-9973-113018d3a9cf/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process