./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_6+soft_float_5a.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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/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 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:48,657 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:48,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 22:59:48,797 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 22:59:48,798 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 22:59:48,845 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:48,847 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:48,848 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:48,849 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:48,855 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:48,856 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:48,856 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:48,857 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:48,859 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 22:59:48,859 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:48,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:48,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:48,861 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:48,861 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:48,862 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:48,862 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:48,863 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:48,864 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:48,865 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:48,865 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:48,866 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:48,866 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:48,867 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:48,867 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:48,868 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:48,869 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 22:59:48,869 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 22:59:48,870 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:48,870 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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db [2023-11-24 22:59:49,252 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:49,289 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:49,292 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:49,294 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:49,295 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:49,296 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-11-24 22:59:52,424 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 22:59:52,666 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 22:59:52,666 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-11-24 22:59:52,678 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/data/ef3cd8059/a71a93631ca0487aa69a90483e721f70/FLAGd17414c0d [2023-11-24 22:59:52,696 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/data/ef3cd8059/a71a93631ca0487aa69a90483e721f70 [2023-11-24 22:59:52,699 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 22:59:52,701 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 22:59:52,702 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:52,703 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 22:59:52,709 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 22:59:52,710 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:52,711 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b8cce97 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:52, skipping insertion in model container [2023-11-24 22:59:52,712 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 10:59:52" (1/1) ... [2023-11-24 22:59:52,782 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 22:59:52,978 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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-11-24 22:59:52,986 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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-11-24 22:59:53,037 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:53,050 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 22:59:53,070 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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-11-24 22:59:53,072 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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-11-24 22:59:53,111 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 22:59:53,131 INFO L206 MainTranslator]: Completed translation [2023-11-24 22:59:53,132 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53 WrapperNode [2023-11-24 22:59:53,132 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 22:59:53,134 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:53,134 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 22:59:53,134 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 22:59:53,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,158 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,196 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-24 22:59:53,197 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 22:59:53,198 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 22:59:53,198 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 22:59:53,199 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 22:59:53,233 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,234 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,241 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,242 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,257 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,267 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,272 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 22:59:53,277 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 22:59:53,284 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 22:59:53,284 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 22:59:53,285 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 10:59:53" (1/1) ... [2023-11-24 22:59:53,301 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:53,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 22:59:53,338 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 22:59:53,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 22:59:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 22:59:53,396 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 22:59:53,397 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 22:59:53,397 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 22:59:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 22:59:53,398 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 22:59:53,398 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 22:59:53,399 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 22:59:53,519 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 22:59:53,522 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 22:59:54,075 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 22:59:54,471 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 22:59:54,471 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 22:59:54,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:54 BoogieIcfgContainer [2023-11-24 22:59:54,474 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 22:59:54,475 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 22:59:54,475 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 22:59:54,489 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 22:59:54,489 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:54" (1/1) ... [2023-11-24 22:59:54,502 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 22:59:54,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 22:59:54,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 22:59:54,581 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 22:59:54,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 22:59:54,584 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 22:59:54,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 22:59:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:54,703 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:54,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:54,777 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-24 22:59:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-24 22:59:54,805 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-24 22:59:54,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 10:59:54 ImpRootNode [2023-11-24 22:59:54,833 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-24 22:59:54,835 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-24 22:59:54,835 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-24 22:59:54,836 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-24 22:59:54,838 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 10:59:54" (3/4) ... [2023-11-24 22:59:54,841 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-24 22:59:54,842 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-24 22:59:54,845 INFO L158 Benchmark]: Toolchain (without parser) took 2142.59ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 88.5MB in the beginning and 100.8MB in the end (delta: -12.2MB). Peak memory consumption was 16.7MB. Max. memory is 16.1GB. [2023-11-24 22:59:54,845 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 134.2MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:54,846 INFO L158 Benchmark]: CACSL2BoogieTranslator took 430.14ms. Allocated memory is still 134.2MB. Free memory was 88.5MB in the beginning and 74.4MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:59:54,848 INFO L158 Benchmark]: Boogie Procedure Inliner took 63.86ms. Allocated memory is still 134.2MB. Free memory was 74.4MB in the beginning and 72.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:54,849 INFO L158 Benchmark]: Boogie Preprocessor took 78.31ms. Allocated memory is still 134.2MB. Free memory was 72.3MB in the beginning and 70.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-24 22:59:54,850 INFO L158 Benchmark]: RCFGBuilder took 1196.43ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 70.3MB in the beginning and 112.4MB in the end (delta: -42.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. [2023-11-24 22:59:54,851 INFO L158 Benchmark]: CodeCheck took 358.32ms. Allocated memory is still 161.5MB. Free memory was 112.4MB in the beginning and 100.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-24 22:59:54,852 INFO L158 Benchmark]: Witness Printer took 7.52ms. Allocated memory is still 161.5MB. Free memory was 100.8MB in the beginning and 100.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-24 22:59:54,865 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 < 1.399f) 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 0.35ms. Allocated memory is still 134.2MB. Free memory is still 105.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 430.14ms. Allocated memory is still 134.2MB. Free memory was 88.5MB in the beginning and 74.4MB in the end (delta: 14.2MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 63.86ms. Allocated memory is still 134.2MB. Free memory was 74.4MB in the beginning and 72.3MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 78.31ms. Allocated memory is still 134.2MB. Free memory was 72.3MB in the beginning and 70.3MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1196.43ms. Allocated memory was 134.2MB in the beginning and 161.5MB in the end (delta: 27.3MB). Free memory was 70.3MB in the beginning and 112.4MB in the end (delta: -42.1MB). Peak memory consumption was 29.2MB. Max. memory is 16.1GB. * CodeCheck took 358.32ms. Allocated memory is still 161.5MB. Free memory was 112.4MB in the beginning and 100.8MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 7.52ms. Allocated memory is still 161.5MB. Free memory was 100.8MB in the beginning and 100.8MB in the end (delta: 2.7kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-24 22:59:54,898 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/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 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 22:59:57,670 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 22:59:57,836 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-24 22:59:57,910 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 22:59:57,911 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 22:59:57,912 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 22:59:57,913 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 22:59:57,914 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 22:59:57,915 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 22:59:57,921 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 22:59:57,922 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 22:59:57,922 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 22:59:57,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 22:59:57,925 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 22:59:57,925 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 22:59:57,926 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 22:59:57,926 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-24 22:59:57,927 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-24 22:59:57,927 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-24 22:59:57,929 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 22:59:57,929 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 22:59:57,930 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 22:59:57,930 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 22:59:57,931 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 22:59:57,931 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 22:59:57,932 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:57,932 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:57,933 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 22:59:57,934 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 22:59:57,934 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 22:59:57,936 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 22:59:57,936 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 22:59:57,936 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-24 22:59:57,937 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-24 22:59:57,937 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 22:59:57,938 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-24 22:59:57,938 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 22:59:57,938 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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5c4c867e245be659b2db84171c62e45b03155ac4269b1a7d8c363c8f991a60db [2023-11-24 22:59:58,379 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 22:59:58,404 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 22:59:58,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 22:59:58,409 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 22:59:58,410 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 22:59:58,411 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-11-24 23:00:02,132 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:00:02,551 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:00:02,552 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c [2023-11-24 23:00:02,567 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/data/a5d405749/c90fd08cc6d240518008ebde1812a72d/FLAG4ecba0829 [2023-11-24 23:00:02,585 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/data/a5d405749/c90fd08cc6d240518008ebde1812a72d [2023-11-24 23:00:02,589 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:00:02,591 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:00:02,593 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:02,594 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:00:02,600 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:00:02,601 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,603 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@72b89e06 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:02, skipping insertion in model container [2023-11-24 23:00:02,603 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:00:02" (1/1) ... [2023-11-24 23:00:02,649 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:00:02,914 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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-11-24 23:00:02,923 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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-11-24 23:00:03,027 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:03,057 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:00:03,080 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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[1997,2010] [2023-11-24 23:00:03,082 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_7b4c370c-fdbe-4fa9-8670-dea5ae508570/sv-benchmarks/c/combinations/square_6+soft_float_5a.c.cil.c[2366,2379] [2023-11-24 23:00:03,138 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:00:03,176 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:00:03,176 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03 WrapperNode [2023-11-24 23:00:03,177 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:00:03,182 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:03,183 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:00:03,183 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:00:03,193 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,230 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,281 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-24 23:00:03,284 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:00:03,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:00:03,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:00:03,288 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:00:03,301 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,302 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,318 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,321 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,342 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,347 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,351 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,369 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,375 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:00:03,376 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:00:03,376 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:00:03,377 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:00:03,381 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:00:03" (1/1) ... [2023-11-24 23:00:03,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:00:03,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:00:03,430 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:00:03,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:00:03,496 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:00:03,497 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-24 23:00:03,497 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-24 23:00:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-24 23:00:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:00:03,498 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:00:03,498 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-24 23:00:03,499 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-24 23:00:03,655 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:00:03,660 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:00:14,452 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:00:14,557 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:00:14,557 INFO L309 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-24 23:00:14,559 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:14 BoogieIcfgContainer [2023-11-24 23:00:14,559 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:00:14,561 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-24 23:00:14,561 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-24 23:00:14,574 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-24 23:00:14,574 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:00:14" (1/1) ... [2023-11-24 23:00:14,586 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:00:14,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-24 23:00:14,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-24 23:00:14,650 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-24 23:00:14,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-24 23:00:14,652 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-24 23:00:14,653 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-24 23:00:14,653 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/cvc4 [2023-11-24 23:00:14,676 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-24 23:00:14,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7b4c370c-fdbe-4fa9-8670-dea5ae508570/bin/ukojak-verify-afCqCEvfdi/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process