./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_4+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_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/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_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/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_94d51b12-9619-491b-97cc-d375d075e428/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 50d504012f389a6140cc9010c73b2ef8b99f486d5ac03bfa640c9832c20fe9d8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:18,635 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:18,754 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 02:50:18,761 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 02:50:18,764 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 02:50:18,806 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:18,807 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:18,807 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:18,808 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:18,813 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:18,814 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:18,815 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:18,815 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:18,817 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 02:50:18,817 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:18,817 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:18,818 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:18,818 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:18,819 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:18,819 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:18,820 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:18,820 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:18,821 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:18,821 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:18,821 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:18,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:18,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:18,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:18,824 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:18,824 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:18,825 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 02:50:18,826 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 02:50:18,826 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:18,826 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_94d51b12-9619-491b-97cc-d375d075e428/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50d504012f389a6140cc9010c73b2ef8b99f486d5ac03bfa640c9832c20fe9d8 [2023-11-19 02:50:19,183 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:19,226 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:19,229 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:19,230 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:19,231 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:19,232 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c [2023-11-19 02:50:22,120 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:22,369 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:22,370 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c [2023-11-19 02:50:22,381 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/data/cb4a8e379/ee470f1a753b427d910c86af07c5dd71/FLAG422dabefb [2023-11-19 02:50:22,397 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/data/cb4a8e379/ee470f1a753b427d910c86af07c5dd71 [2023-11-19 02:50:22,400 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:22,402 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:22,404 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:22,404 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:22,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:22,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,413 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@738e8b74 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22, skipping insertion in model container [2023-11-19 02:50:22,413 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,451 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:22,667 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_94d51b12-9619-491b-97cc-d375d075e428/sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c[1999,2012] [2023-11-19 02:50:22,674 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_94d51b12-9619-491b-97cc-d375d075e428/sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c[2368,2381] [2023-11-19 02:50:22,743 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:22,754 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:22,767 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_94d51b12-9619-491b-97cc-d375d075e428/sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c[1999,2012] [2023-11-19 02:50:22,769 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_94d51b12-9619-491b-97cc-d375d075e428/sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c[2368,2381] [2023-11-19 02:50:22,800 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:22,815 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:22,816 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22 WrapperNode [2023-11-19 02:50:22,816 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:22,817 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:22,817 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:22,817 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:22,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,835 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,864 INFO L138 Inliner]: procedures = 27, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 169 [2023-11-19 02:50:22,864 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:22,865 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:22,865 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:22,865 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:22,880 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,880 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,884 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,887 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,900 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,918 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,920 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,923 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:22,924 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:22,925 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:22,925 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:22,926 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:22" (1/1) ... [2023-11-19 02:50:22,932 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:22,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:22,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:22,999 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:23,019 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:50:23,020 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:50:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 02:50:23,020 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:23,021 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:50:23,021 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:50:23,169 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:23,181 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:23,676 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:23,927 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:23,927 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:50:23,935 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:23 BoogieIcfgContainer [2023-11-19 02:50:23,935 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:23,936 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:23,937 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:23,949 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:23,949 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:23" (1/1) ... [2023-11-19 02:50:23,957 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:24,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:24,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 02:50:24,021 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 02:50:24,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:50:24,023 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:24,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 02:50:24,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:24,128 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:50:24,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:24,204 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 02:50:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 02:50:24,228 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 02:50:24,254 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 02:50:24 ImpRootNode [2023-11-19 02:50:24,255 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 02:50:24,258 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 02:50:24,259 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 02:50:24,260 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 02:50:24,261 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:23" (3/4) ... [2023-11-19 02:50:24,264 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 02:50:24,265 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 02:50:24,267 INFO L158 Benchmark]: Toolchain (without parser) took 1864.00ms. Allocated memory is still 157.3MB. Free memory was 124.6MB in the beginning and 77.8MB in the end (delta: 46.8MB). Peak memory consumption was 44.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,268 INFO L158 Benchmark]: CDTParser took 0.24ms. Allocated memory is still 119.5MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:24,269 INFO L158 Benchmark]: CACSL2BoogieTranslator took 412.19ms. Allocated memory is still 157.3MB. Free memory was 124.6MB in the beginning and 109.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,270 INFO L158 Benchmark]: Boogie Procedure Inliner took 47.78ms. Allocated memory is still 157.3MB. Free memory was 109.9MB in the beginning and 108.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,271 INFO L158 Benchmark]: Boogie Preprocessor took 58.45ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 106.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,272 INFO L158 Benchmark]: RCFGBuilder took 1010.60ms. Allocated memory is still 157.3MB. Free memory was 105.9MB in the beginning and 88.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,274 INFO L158 Benchmark]: CodeCheck took 319.33ms. Allocated memory is still 157.3MB. Free memory was 88.9MB in the beginning and 77.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 02:50:24,275 INFO L158 Benchmark]: Witness Printer took 7.19ms. Allocated memory is still 157.3MB. Free memory is still 77.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 02:50:24,289 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 < 1.39844f) 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 0.24ms. Allocated memory is still 119.5MB. Free memory is still 92.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 412.19ms. Allocated memory is still 157.3MB. Free memory was 124.6MB in the beginning and 109.9MB in the end (delta: 14.7MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 47.78ms. Allocated memory is still 157.3MB. Free memory was 109.9MB in the beginning and 108.0MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 58.45ms. Allocated memory is still 157.3MB. Free memory was 108.0MB in the beginning and 106.5MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 1010.60ms. Allocated memory is still 157.3MB. Free memory was 105.9MB in the beginning and 88.9MB in the end (delta: 17.0MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 319.33ms. Allocated memory is still 157.3MB. Free memory was 88.9MB in the beginning and 77.8MB in the end (delta: 11.1MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 7.19ms. Allocated memory is still 157.3MB. Free memory is still 77.8MB. 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 02:50:24,335 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/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_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/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_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/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_94d51b12-9619-491b-97cc-d375d075e428/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 50d504012f389a6140cc9010c73b2ef8b99f486d5ac03bfa640c9832c20fe9d8 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 02:50:27,052 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 02:50:27,190 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 02:50:27,254 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 02:50:27,256 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 02:50:27,257 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 02:50:27,258 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 02:50:27,258 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 02:50:27,260 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 02:50:27,265 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 02:50:27,266 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 02:50:27,266 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 02:50:27,267 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 02:50:27,269 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 02:50:27,269 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 02:50:27,270 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 02:50:27,270 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 02:50:27,271 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 02:50:27,271 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 02:50:27,272 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 02:50:27,273 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 02:50:27,273 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 02:50:27,274 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 02:50:27,274 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 02:50:27,275 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 02:50:27,275 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:27,276 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 02:50:27,276 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 02:50:27,277 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:27,277 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 02:50:27,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 02:50:27,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 02:50:27,279 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 02:50:27,280 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:27,280 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 02:50:27,280 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 02:50:27,281 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 02:50:27,281 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_94d51b12-9619-491b-97cc-d375d075e428/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 50d504012f389a6140cc9010c73b2ef8b99f486d5ac03bfa640c9832c20fe9d8 [2023-11-19 02:50:27,672 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 02:50:27,692 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 02:50:27,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 02:50:27,696 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 02:50:27,696 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 02:50:27,698 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c [2023-11-19 02:50:31,026 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 02:50:31,305 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 02:50:31,305 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c [2023-11-19 02:50:31,318 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/data/476a89b6b/5c8762366d0743cbaa23c58e0b72c023/FLAGa42dfb60f [2023-11-19 02:50:31,332 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/data/476a89b6b/5c8762366d0743cbaa23c58e0b72c023 [2023-11-19 02:50:31,335 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 02:50:31,337 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 02:50:31,338 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:31,338 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 02:50:31,343 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 02:50:31,344 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,345 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1270e223 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31, skipping insertion in model container [2023-11-19 02:50:31,345 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,380 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 02:50:31,544 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_94d51b12-9619-491b-97cc-d375d075e428/sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c[1999,2012] [2023-11-19 02:50:31,550 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_94d51b12-9619-491b-97cc-d375d075e428/sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c[2368,2381] [2023-11-19 02:50:31,586 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:31,600 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 02:50:31,616 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_94d51b12-9619-491b-97cc-d375d075e428/sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c[1999,2012] [2023-11-19 02:50:31,617 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_94d51b12-9619-491b-97cc-d375d075e428/sv-benchmarks/c/combinations/square_4+soft_float_5a.c.cil.c[2368,2381] [2023-11-19 02:50:31,641 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 02:50:31,657 INFO L206 MainTranslator]: Completed translation [2023-11-19 02:50:31,658 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31 WrapperNode [2023-11-19 02:50:31,658 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 02:50:31,659 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:31,660 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 02:50:31,660 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 02:50:31,667 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,680 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,709 INFO L138 Inliner]: procedures = 28, calls = 17, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 134 [2023-11-19 02:50:31,709 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 02:50:31,710 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 02:50:31,710 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 02:50:31,711 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 02:50:31,725 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,725 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,738 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,741 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,758 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,773 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,776 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,785 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,790 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 02:50:31,798 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 02:50:31,799 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 02:50:31,799 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 02:50:31,800 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 02:50:31" (1/1) ... [2023-11-19 02:50:31,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 02:50:31,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 02:50:31,836 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 02:50:31,870 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 02:50:31,884 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 02:50:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 02:50:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2023-11-19 02:50:31,885 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2023-11-19 02:50:31,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 02:50:31,886 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 02:50:31,904 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2023-11-19 02:50:31,905 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2023-11-19 02:50:32,027 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 02:50:32,032 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 02:50:38,996 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 02:50:39,091 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 02:50:39,092 INFO L302 CfgBuilder]: Removed 2 assume(true) statements. [2023-11-19 02:50:39,097 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:39 BoogieIcfgContainer [2023-11-19 02:50:39,097 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 02:50:39,098 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 02:50:39,098 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 02:50:39,109 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 02:50:39,109 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 02:50:39" (1/1) ... [2023-11-19 02:50:39,118 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 02:50:39,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 02:50:39,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 45 states and 65 transitions. [2023-11-19 02:50:39,179 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 65 transitions. [2023-11-19 02:50:39,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 02:50:39,181 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 02:50:39,182 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 02:50:39,182 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 02:50:39,186 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 02:50:39,214 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_94d51b12-9619-491b-97cc-d375d075e428/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process