./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b --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 964037bccd5af2bec8208ce0f4b08447d41303350ff91bfe4b13e42b362dc54b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:25:21,546 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:25:21,604 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:25:21,609 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:25:21,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:25:21,628 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:25:21,628 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:25:21,629 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:25:21,629 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:25:21,629 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:25:21,629 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:25:21,629 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:25:21,629 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:25:21,629 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:25:21,629 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:25:21,630 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:25:21,630 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:25:21,630 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:25:21,630 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:25:21,630 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:25:21,630 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:25:21,630 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:25:21,630 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:25:21,630 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:25:21,630 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:25:21,630 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:25:21,630 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:25:21,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:21,631 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:25:21,631 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:25:21,631 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:25:21,631 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:25:21,631 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:25:21,631 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b 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 -> 964037bccd5af2bec8208ce0f4b08447d41303350ff91bfe4b13e42b362dc54b [2024-12-06 01:25:21,875 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:25:21,886 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:25:21,888 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:25:21,889 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:25:21,890 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:25:21,891 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c [2024-12-06 01:25:24,568 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/data/a44ec9340/fcbf984972fe4057b1c09c41046dbbe2/FLAGc39a89663 [2024-12-06 01:25:24,765 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:25:24,766 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c [2024-12-06 01:25:24,774 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/data/a44ec9340/fcbf984972fe4057b1c09c41046dbbe2/FLAGc39a89663 [2024-12-06 01:25:24,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/data/a44ec9340/fcbf984972fe4057b1c09c41046dbbe2 [2024-12-06 01:25:24,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:25:24,790 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:25:24,790 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:24,791 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:25:24,794 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:25:24,795 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:24" (1/1) ... [2024-12-06 01:25:24,795 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3be6844c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:24, skipping insertion in model container [2024-12-06 01:25:24,796 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:24" (1/1) ... [2024-12-06 01:25:24,817 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:25:24,961 WARN L250 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_7a2d84c1-1288-499d-9dad-d10960d7fa69/sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c[1999,2012] [2024-12-06 01:25:24,966 WARN L250 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_7a2d84c1-1288-499d-9dad-d10960d7fa69/sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c[2393,2406] [2024-12-06 01:25:25,009 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:25,018 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:25:25,030 WARN L250 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_7a2d84c1-1288-499d-9dad-d10960d7fa69/sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c[1999,2012] [2024-12-06 01:25:25,031 WARN L250 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_7a2d84c1-1288-499d-9dad-d10960d7fa69/sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c[2393,2406] [2024-12-06 01:25:25,057 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:25,071 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:25:25,072 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25 WrapperNode [2024-12-06 01:25:25,072 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:25,073 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:25,073 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:25:25,073 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:25:25,079 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,087 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,108 INFO L138 Inliner]: procedures = 27, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 211 [2024-12-06 01:25:25,108 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:25,109 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:25:25,109 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:25:25,109 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:25:25,116 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,116 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,118 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,119 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,124 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,125 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,129 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,131 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,132 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,135 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:25:25,136 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:25:25,136 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:25:25,136 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:25:25,137 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,143 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:25,154 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:25:25,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:25:25,168 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:25:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:25:25,188 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 01:25:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 01:25:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:25:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:25:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:25:25,189 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:25:25,189 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:25:25,259 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:25:25,261 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:25:25,595 INFO L? ?]: Removed 81 outVars from TransFormulas that were not future-live. [2024-12-06 01:25:25,595 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:25:25,781 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:25:25,781 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:25:25,782 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:25 BoogieIcfgContainer [2024-12-06 01:25:25,782 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:25:25,782 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:25:25,782 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:25:25,791 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:25:25,792 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:25" (1/1) ... [2024-12-06 01:25:25,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:25:25,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:25,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2024-12-06 01:25:25,843 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-12-06 01:25:25,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:25:25,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:25,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:25:25,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:25,908 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:25:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:25,945 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:25:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:25:25,958 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:25:25,973 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:25:25 ImpRootNode [2024-12-06 01:25:25,973 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:25:25,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:25:25,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:25:25,974 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:25:25,975 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:25" (3/4) ... [2024-12-06 01:25:25,977 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:25:25,978 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:25:25,979 INFO L158 Benchmark]: Toolchain (without parser) took 1189.04ms. Allocated memory is still 142.6MB. Free memory was 119.2MB in the beginning and 88.7MB in the end (delta: 30.5MB). Peak memory consumption was 29.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:25,979 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:25,979 INFO L158 Benchmark]: CACSL2BoogieTranslator took 281.94ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 104.1MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:25,980 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.44ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:25,980 INFO L158 Benchmark]: Boogie Preprocessor took 26.10ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:25,981 INFO L158 Benchmark]: RCFGBuilder took 646.14ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.2MB in the end (delta: 1.4MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. [2024-12-06 01:25:25,981 INFO L158 Benchmark]: CodeCheck took 190.98ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 89.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:25:25,981 INFO L158 Benchmark]: Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 88.7MB in the end (delta: 529.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:25:25,984 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, 49 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 4 NumberOfCodeBlocks, 4 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: 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 someBinaryFLOATComparisonOperation at line 40, overapproximation of someBinaryArithmeticFLOAToperation at line 45. Possible FailurePath: [L403] COND TRUE __VERIFIER_nondet_int() [L404] 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; [L47] COND TRUE !(result >= 0.0f && result < 1.39844f) [L48] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 281.94ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 104.1MB in the end (delta: 14.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.44ms. Allocated memory is still 142.6MB. Free memory was 104.1MB in the beginning and 102.2MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 26.10ms. Allocated memory is still 142.6MB. Free memory was 102.2MB in the beginning and 100.6MB in the end (delta: 1.6MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 646.14ms. Allocated memory is still 142.6MB. Free memory was 100.6MB in the beginning and 99.2MB in the end (delta: 1.4MB). Peak memory consumption was 46.2MB. Max. memory is 16.1GB. * CodeCheck took 190.98ms. Allocated memory is still 142.6MB. Free memory was 99.2MB in the beginning and 89.2MB in the end (delta: 10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.16ms. Allocated memory is still 142.6MB. Free memory was 89.2MB in the beginning and 88.7MB in the end (delta: 529.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:25:26,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b --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 964037bccd5af2bec8208ce0f4b08447d41303350ff91bfe4b13e42b362dc54b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:25:27,898 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:25:27,987 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:25:28,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:25:28,015 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:25:28,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:25:28,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:25:28,016 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:25:28,016 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:25:28,016 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:25:28,016 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:25:28,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:25:28,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:25:28,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:25:28,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:25:28,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:25:28,016 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:25:28,017 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:25:28,017 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:25:28,017 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:25:28,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:25:28,017 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:25:28,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:25:28,017 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:25:28,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:25:28,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:25:28,017 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:28,018 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:25:28,018 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:25:28,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:28,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:25:28,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:25:28,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:25:28,018 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:25:28,018 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:28,018 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:25:28,018 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b 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 -> 964037bccd5af2bec8208ce0f4b08447d41303350ff91bfe4b13e42b362dc54b [2024-12-06 01:25:28,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:25:28,270 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:25:28,273 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:25:28,274 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:25:28,274 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:25:28,275 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c [2024-12-06 01:25:30,950 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/data/601f2f5fd/698810b233f1445f9531dae6fc8ebed0/FLAG7dd279aaf [2024-12-06 01:25:31,144 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:25:31,144 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c [2024-12-06 01:25:31,153 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/data/601f2f5fd/698810b233f1445f9531dae6fc8ebed0/FLAG7dd279aaf [2024-12-06 01:25:31,512 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/data/601f2f5fd/698810b233f1445f9531dae6fc8ebed0 [2024-12-06 01:25:31,514 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:25:31,515 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:25:31,515 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:31,516 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:25:31,519 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:25:31,520 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,521 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7dbd9ab5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31, skipping insertion in model container [2024-12-06 01:25:31,521 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,540 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:25:31,662 WARN L250 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_7a2d84c1-1288-499d-9dad-d10960d7fa69/sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c[1999,2012] [2024-12-06 01:25:31,666 WARN L250 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_7a2d84c1-1288-499d-9dad-d10960d7fa69/sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c[2393,2406] [2024-12-06 01:25:31,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:31,713 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:25:31,724 WARN L250 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_7a2d84c1-1288-499d-9dad-d10960d7fa69/sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c[1999,2012] [2024-12-06 01:25:31,725 WARN L250 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_7a2d84c1-1288-499d-9dad-d10960d7fa69/sv-benchmarks/c/combinations/square_4+soft_float_1-2a.c.cil.c[2393,2406] [2024-12-06 01:25:31,747 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:25:31,763 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:25:31,764 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31 WrapperNode [2024-12-06 01:25:31,764 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:25:31,765 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:31,765 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:25:31,765 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:25:31,772 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,781 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,802 INFO L138 Inliner]: procedures = 28, calls = 20, calls flagged for inlining = 6, calls inlined = 6, statements flattened = 168 [2024-12-06 01:25:31,802 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:25:31,803 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:25:31,803 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:25:31,803 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:25:31,810 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,810 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,814 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,814 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,821 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,822 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,826 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,828 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,829 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,832 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:25:31,833 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:25:31,833 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:25:31,833 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:25:31,834 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:25:31" (1/1) ... [2024-12-06 01:25:31,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:25:31,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:25:31,863 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:25:31,866 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:25:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:25:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:25:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-12-06 01:25:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-12-06 01:25:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:25:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:25:31,889 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-12-06 01:25:31,889 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-12-06 01:25:31,957 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:25:31,958 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:25:42,478 INFO L? ?]: Removed 65 outVars from TransFormulas that were not future-live. [2024-12-06 01:25:42,478 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:25:42,585 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:25:42,585 INFO L312 CfgBuilder]: Removed 4 assume(true) statements. [2024-12-06 01:25:42,586 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:42 BoogieIcfgContainer [2024-12-06 01:25:42,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:25:42,586 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:25:42,587 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:25:42,596 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:25:42,596 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:25:42" (1/1) ... [2024-12-06 01:25:42,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:25:42,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:25:42,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 49 states and 72 transitions. [2024-12-06 01:25:42,640 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 72 transitions. [2024-12-06 01:25:42,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-12-06 01:25:42,642 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:25:42,642 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:25:42,643 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:25:42,644 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:25:42,645 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:36:07,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:36:07,492 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:36:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:36:17,835 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:36:17,837 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:36:17,841 INFO L158 Benchmark]: Toolchain (without parser) took 646325.72ms. Allocated memory is still 92.3MB. Free memory was 69.6MB in the beginning and 38.1MB in the end (delta: 31.5MB). Peak memory consumption was 28.7MB. Max. memory is 16.1GB. [2024-12-06 01:36:17,841 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:17,842 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.12ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 54.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:36:17,842 INFO L158 Benchmark]: Boogie Procedure Inliner took 37.09ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 52.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:17,842 INFO L158 Benchmark]: Boogie Preprocessor took 29.91ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 50.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:36:17,843 INFO L158 Benchmark]: RCFGBuilder took 10752.68ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 46.9MB in the end (delta: 3.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. [2024-12-06 01:36:17,843 INFO L158 Benchmark]: CodeCheck took 635253.30ms. Allocated memory is still 92.3MB. Free memory was 46.9MB in the beginning and 38.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:36:17,845 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 83.9MB. Free memory is still 48.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.12ms. Allocated memory is still 92.3MB. Free memory was 69.4MB in the beginning and 54.1MB in the end (delta: 15.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 37.09ms. Allocated memory is still 92.3MB. Free memory was 54.1MB in the beginning and 52.4MB in the end (delta: 1.7MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.91ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 50.7MB in the end (delta: 1.8MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10752.68ms. Allocated memory is still 92.3MB. Free memory was 50.7MB in the beginning and 46.9MB in the end (delta: 3.8MB). Peak memory consumption was 12.0MB. Max. memory is 16.1GB. * CodeCheck took 635253.30ms. Allocated memory is still 92.3MB. Free memory was 46.9MB in the beginning and 38.1MB in the end (delta: 8.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:36:17,911 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7a2d84c1-1288-499d-9dad-d10960d7fa69/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown