./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/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 4afff0c8dc116ae0ea52d5228669475b8e2bd0f7c5a38e0115f3b3d6e8e4ef72 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:00,008 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:00,153 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:37:00,165 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:37:00,166 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:37:00,215 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:00,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:00,217 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:00,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:00,224 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:00,225 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:00,226 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:00,227 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:00,229 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:37:00,229 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:00,230 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:00,230 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:00,231 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:00,231 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:00,232 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:00,232 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:00,233 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:00,234 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:00,236 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:00,236 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:00,237 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:00,238 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:00,238 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:00,239 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:00,239 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:00,241 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:37:00,241 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:37:00,242 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:00,242 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4afff0c8dc116ae0ea52d5228669475b8e2bd0f7c5a38e0115f3b3d6e8e4ef72 [2023-11-19 03:37:00,557 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:00,586 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:00,589 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:00,591 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:00,591 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:00,593 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c [2023-11-19 03:37:03,959 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:04,208 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:04,208 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c [2023-11-19 03:37:04,227 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/data/8acec8844/2d59258f0298478e9fb004db81844605/FLAG86d28571e [2023-11-19 03:37:04,247 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/data/8acec8844/2d59258f0298478e9fb004db81844605 [2023-11-19 03:37:04,251 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:04,253 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:04,254 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:04,255 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:04,261 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:04,262 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,263 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17c23ef2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04, skipping insertion in model container [2023-11-19 03:37:04,263 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,305 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:04,473 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c[1999,2012] [2023-11-19 03:37:04,479 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c[2368,2381] [2023-11-19 03:37:04,523 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:04,534 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:04,550 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c[1999,2012] [2023-11-19 03:37:04,551 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c[2368,2381] [2023-11-19 03:37:04,584 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:04,600 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:04,601 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04 WrapperNode [2023-11-19 03:37:04,601 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:04,602 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:04,602 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:04,602 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:04,610 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,620 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,650 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 03:37:04,651 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:04,651 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:04,652 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:04,652 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:04,661 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,661 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,665 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,666 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,682 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,684 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,685 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,689 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:04,690 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:04,690 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:04,690 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:04,691 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:04" (1/1) ... [2023-11-19 03:37:04,697 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:04,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:04,724 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:04,742 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:04,771 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:37:04,772 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:37:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:37:04,772 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:04,773 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:04,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:37:04,774 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:37:04,907 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:04,909 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:05,520 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:05,743 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:05,744 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:37:05,749 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:05 BoogieIcfgContainer [2023-11-19 03:37:05,750 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:37:05,751 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:37:05,751 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:37:05,766 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:37:05,766 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:05" (1/1) ... [2023-11-19 03:37:05,781 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:37:05,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:05,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 03:37:05,866 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 03:37:05,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:37:05,867 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:05,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:37:05,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:05,963 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:37:05,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:06,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:06,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:37:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:06,056 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:37:06,087 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:37:06 ImpRootNode [2023-11-19 03:37:06,088 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:37:06,090 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:37:06,091 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:37:06,091 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:37:06,092 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:05" (3/4) ... [2023-11-19 03:37:06,095 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:37:06,097 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:37:06,098 INFO L158 Benchmark]: Toolchain (without parser) took 1845.01ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 76.7MB in the beginning and 87.3MB in the end (delta: -10.6MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2023-11-19 03:37:06,099 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 121.6MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:06,100 INFO L158 Benchmark]: CACSL2BoogieTranslator took 346.87ms. Allocated memory is still 121.6MB. Free memory was 76.3MB in the beginning and 62.0MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:37:06,102 INFO L158 Benchmark]: Boogie Procedure Inliner took 48.90ms. Allocated memory is still 121.6MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:06,103 INFO L158 Benchmark]: Boogie Preprocessor took 37.42ms. Allocated memory is still 121.6MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:06,105 INFO L158 Benchmark]: RCFGBuilder took 1060.23ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 58.1MB in the beginning and 98.8MB in the end (delta: -40.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. [2023-11-19 03:37:06,106 INFO L158 Benchmark]: CodeCheck took 337.21ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 87.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:37:06,106 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 153.1MB. Free memory is still 87.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:37:06,118 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 45 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.3s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - UnprovableResult [Line: 48]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of someBinaryFLOATComparisonOperation at line 47, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [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 < 1.39843f) 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 0.33ms. Allocated memory is still 121.6MB. Free memory is still 69.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 346.87ms. Allocated memory is still 121.6MB. Free memory was 76.3MB in the beginning and 62.0MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 48.90ms. Allocated memory is still 121.6MB. Free memory was 62.0MB in the beginning and 59.9MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.42ms. Allocated memory is still 121.6MB. Free memory was 59.9MB in the beginning and 58.1MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1060.23ms. Allocated memory was 121.6MB in the beginning and 153.1MB in the end (delta: 31.5MB). Free memory was 58.1MB in the beginning and 98.8MB in the end (delta: -40.7MB). Peak memory consumption was 25.1MB. Max. memory is 16.1GB. * CodeCheck took 337.21ms. Allocated memory is still 153.1MB. Free memory was 98.8MB in the beginning and 87.3MB in the end (delta: 11.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 153.1MB. Free memory is still 87.3MB. 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 03:37:06,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/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 4afff0c8dc116ae0ea52d5228669475b8e2bd0f7c5a38e0115f3b3d6e8e4ef72 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:37:09,077 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:37:09,173 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:37:09,214 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:37:09,216 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:37:09,216 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:37:09,218 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:37:09,218 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:37:09,219 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:37:09,220 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:37:09,221 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:37:09,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:37:09,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:37:09,223 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:37:09,224 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:37:09,225 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:37:09,225 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:37:09,226 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:37:09,227 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:37:09,228 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:37:09,229 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:37:09,229 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:37:09,230 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:37:09,231 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:37:09,232 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:37:09,232 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:09,233 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:09,234 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:37:09,234 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:09,235 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:37:09,236 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:37:09,236 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:37:09,237 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:37:09,237 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:09,238 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:37:09,238 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:37:09,238 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:37:09,239 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4afff0c8dc116ae0ea52d5228669475b8e2bd0f7c5a38e0115f3b3d6e8e4ef72 [2023-11-19 03:37:09,749 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:37:09,778 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:37:09,783 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:37:09,785 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:37:09,786 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:37:09,788 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c [2023-11-19 03:37:13,381 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:37:13,709 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:37:13,710 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c [2023-11-19 03:37:13,728 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/data/8f8c3287e/d005b9c25eec4f9aa5312e507d28bde5/FLAGd59837ea8 [2023-11-19 03:37:13,745 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/data/8f8c3287e/d005b9c25eec4f9aa5312e507d28bde5 [2023-11-19 03:37:13,748 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:37:13,750 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:37:13,751 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:13,752 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:37:13,758 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:37:13,759 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:13" (1/1) ... [2023-11-19 03:37:13,760 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59828c61 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:13, skipping insertion in model container [2023-11-19 03:37:13,760 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:37:13" (1/1) ... [2023-11-19 03:37:13,802 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:37:14,008 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c[1999,2012] [2023-11-19 03:37:14,016 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c[2368,2381] [2023-11-19 03:37:14,063 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:14,090 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:37:14,127 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c[1999,2012] [2023-11-19 03:37:14,129 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_47d1bc25-3276-49d1-a4cc-bff0ead6d341/sv-benchmarks/c/combinations/square_3+soft_float_5a.c.cil.c[2368,2381] [2023-11-19 03:37:14,165 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:37:14,188 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:37:14,192 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14 WrapperNode [2023-11-19 03:37:14,192 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:37:14,194 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:14,194 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:37:14,194 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:37:14,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,225 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,279 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-19 03:37:14,285 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:37:14,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:37:14,286 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:37:14,286 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:37:14,297 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,322 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,322 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,335 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,341 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,359 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,362 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,374 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:37:14,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:37:14,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:37:14,376 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:37:14,378 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:37:14" (1/1) ... [2023-11-19 03:37:14,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:37:14,406 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:37:14,426 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:37:14,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:37:14,485 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:37:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:37:14,486 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 03:37:14,486 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 03:37:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:37:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:37:14,487 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 03:37:14,487 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 03:37:14,605 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:37:14,611 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:37:22,226 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:37:22,320 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:37:22,320 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 03:37:22,326 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:22 BoogieIcfgContainer [2023-11-19 03:37:22,326 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:37:22,328 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:37:22,328 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:37:22,340 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:37:22,341 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:37:22" (1/1) ... [2023-11-19 03:37:22,351 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:37:22,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:37:22,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 03:37:22,417 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 03:37:22,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:37:22,420 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:37:22,420 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:37:22,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:37:22,424 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:37:22,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_47d1bc25-3276-49d1-a4cc-bff0ead6d341/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2023-11-19 03:37:26,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:37:27,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:37:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat