./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/addsub_float_inexact.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_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3 --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 724458914ec915bd8588c7b3947050b7176e90c12f1440cbedde17891f240f2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:58:48,931 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:58:49,022 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 04:58:49,029 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 04:58:49,029 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 04:58:49,061 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:58:49,063 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:58:49,064 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:58:49,064 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:58:49,065 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:58:49,065 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:58:49,066 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:58:49,066 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:58:49,067 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:58:49,067 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:58:49,068 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:58:49,068 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:58:49,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:49,068 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:58:49,068 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:58:49,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:58:49,068 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 04:58:49,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 04:58:49,068 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_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3 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 -> 724458914ec915bd8588c7b3947050b7176e90c12f1440cbedde17891f240f2d [2024-11-25 04:58:49,393 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:58:49,403 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:58:49,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:58:49,411 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:58:49,411 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:58:49,412 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2024-11-25 04:58:52,478 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/c1e73a0bc/30702f3db87e45cfbc68f7a455d38088/FLAGf50a5f2f4 [2024-11-25 04:58:52,780 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:58:52,781 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2024-11-25 04:58:52,791 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/c1e73a0bc/30702f3db87e45cfbc68f7a455d38088/FLAGf50a5f2f4 [2024-11-25 04:58:53,070 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/c1e73a0bc/30702f3db87e45cfbc68f7a455d38088 [2024-11-25 04:58:53,072 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:58:53,073 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:58:53,074 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:53,076 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:58:53,080 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:58:53,082 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,085 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55fc6545 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53, skipping insertion in model container [2024-11-25 04:58:53,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,100 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:58:53,268 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_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2024-11-25 04:58:53,278 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:53,290 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:58:53,299 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_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2024-11-25 04:58:53,301 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:58:53,316 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:58:53,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53 WrapperNode [2024-11-25 04:58:53,317 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:58:53,318 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:53,318 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:58:53,318 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:58:53,324 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,330 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,345 INFO L138 Inliner]: procedures = 12, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 26 [2024-11-25 04:58:53,346 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:58:53,346 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:58:53,346 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:58:53,347 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:58:53,353 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,354 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,354 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,357 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,358 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,360 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,361 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,362 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:58:53,363 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:58:53,363 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:58:53,363 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:58:53,364 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,370 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:53,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:58:53,399 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:58:53,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:58:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:58:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:58:53,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:58:53,433 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 04:58:53,486 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:58:53,488 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:58:53,562 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-11-25 04:58:53,563 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:58:53,585 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:58:53,585 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:58:53,585 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:53 BoogieIcfgContainer [2024-11-25 04:58:53,586 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:58:53,586 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:58:53,586 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:58:53,598 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:58:53,598 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:53" (1/1) ... [2024-11-25 04:58:53,607 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:58:53,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:58:53,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 04:58:53,669 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 04:58:53,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:58:53,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:58:53,672 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 04:58:53,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:53,768 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:58:53,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:53,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:53,832 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 04:58:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 04:58:53,848 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 04:58:53,874 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:58:53 ImpRootNode [2024-11-25 04:58:53,874 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:58:53,875 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:58:53,876 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:58:53,876 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:58:53,877 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:58:53" (3/4) ... [2024-11-25 04:58:53,879 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 04:58:53,880 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:58:53,884 INFO L158 Benchmark]: Toolchain (without parser) took 808.72ms. Allocated memory is still 142.6MB. Free memory was 117.7MB in the beginning and 85.6MB in the end (delta: 32.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 04:58:53,885 INFO L158 Benchmark]: CDTParser took 1.47ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:53,885 INFO L158 Benchmark]: CACSL2BoogieTranslator took 243.19ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 107.0MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:58:53,886 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.01ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:53,886 INFO L158 Benchmark]: Boogie Preprocessor took 15.71ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.2MB in the end (delta: 701.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:53,888 INFO L158 Benchmark]: RCFGBuilder took 222.96ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 95.8MB in the end (delta: 9.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 04:58:53,888 INFO L158 Benchmark]: CodeCheck took 288.09ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 85.8MB in the end (delta: 9.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:53,889 INFO L158 Benchmark]: Witness Printer took 5.74ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 85.6MB in the end (delta: 183.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:58:53,891 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 1 procedures, 6 locations, 1 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, 3 NumberOfCodeBlocks, 3 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: 6]: 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 16, overapproximation of someBinaryArithmeticFLOAToperation at line 13. Possible FailurePath: [L10] float x, y, z, r; [L12] x = 1e8f [L13] y = x + 1.f [L14] z = x - 1.f [L15] r = y - z [L16] CALL __VERIFIER_assert(r == 0.f) [L6] COND TRUE !(cond) [L6] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.47ms. Allocated memory is still 117.4MB. Free memory is still 74.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 243.19ms. Allocated memory is still 142.6MB. Free memory was 117.6MB in the beginning and 107.0MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.01ms. Allocated memory is still 142.6MB. Free memory was 107.0MB in the beginning and 105.9MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.71ms. Allocated memory is still 142.6MB. Free memory was 105.9MB in the beginning and 105.2MB in the end (delta: 701.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 222.96ms. Allocated memory is still 142.6MB. Free memory was 105.2MB in the beginning and 95.8MB in the end (delta: 9.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 288.09ms. Allocated memory is still 142.6MB. Free memory was 95.6MB in the beginning and 85.8MB in the end (delta: 9.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 5.74ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 85.6MB in the end (delta: 183.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 04:58:53,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3 --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 724458914ec915bd8588c7b3947050b7176e90c12f1440cbedde17891f240f2d --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 04:58:56,684 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 04:58:56,767 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 04:58:56,802 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 04:58:56,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 04:58:56,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 04:58:56,803 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 04:58:56,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 04:58:56,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 04:58:56,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 04:58:56,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 04:58:56,804 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 04:58:56,804 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 04:58:56,804 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 04:58:56,804 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 04:58:56,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 04:58:56,805 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 04:58:56,805 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 04:58:56,805 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 04:58:56,805 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 04:58:56,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 04:58:56,805 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 04:58:56,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 04:58:56,805 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 04:58:56,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 04:58:56,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 04:58:56,806 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:56,806 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 04:58:56,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 04:58:56,806 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:58:56,806 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 04:58:56,806 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 04:58:56,807 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 04:58:56,807 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 04:58:56,807 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 04:58:56,807 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 04:58:56,807 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_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3 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 -> 724458914ec915bd8588c7b3947050b7176e90c12f1440cbedde17891f240f2d [2024-11-25 04:58:57,140 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 04:58:57,148 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 04:58:57,150 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 04:58:57,151 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 04:58:57,152 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 04:58:57,153 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2024-11-25 04:59:00,149 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/1dd12a073/557014a988184ff9b22b4efb5e626c8d/FLAGfc6a0411b [2024-11-25 04:59:00,355 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 04:59:00,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c [2024-11-25 04:59:00,362 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/1dd12a073/557014a988184ff9b22b4efb5e626c8d/FLAGfc6a0411b [2024-11-25 04:59:00,377 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/data/1dd12a073/557014a988184ff9b22b4efb5e626c8d [2024-11-25 04:59:00,379 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 04:59:00,381 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 04:59:00,382 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 04:59:00,382 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 04:59:00,387 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 04:59:00,388 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,389 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1536940f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00, skipping insertion in model container [2024-11-25 04:59:00,389 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,404 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 04:59:00,582 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_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2024-11-25 04:59:00,592 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:59:00,616 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 04:59:00,628 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_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/sv-benchmarks/c/float-benchs/addsub_float_inexact.c[394,407] [2024-11-25 04:59:00,633 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 04:59:00,652 INFO L204 MainTranslator]: Completed translation [2024-11-25 04:59:00,653 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00 WrapperNode [2024-11-25 04:59:00,653 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 04:59:00,655 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 04:59:00,655 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 04:59:00,655 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 04:59:00,664 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,674 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,692 INFO L138 Inliner]: procedures = 13, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 27 [2024-11-25 04:59:00,692 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 04:59:00,694 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 04:59:00,694 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 04:59:00,694 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 04:59:00,700 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,703 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,711 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,713 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,717 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,722 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,724 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 04:59:00,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 04:59:00,728 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 04:59:00,728 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 04:59:00,729 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 04:59:00" (1/1) ... [2024-11-25 04:59:00,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 04:59:00,754 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 04:59:00,770 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 04:59:00,774 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 04:59:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 04:59:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 04:59:00,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 04:59:00,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 04:59:00,858 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 04:59:00,862 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 04:59:01,551 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-25 04:59:01,552 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 04:59:01,584 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 04:59:01,590 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-25 04:59:01,590 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:01 BoogieIcfgContainer [2024-11-25 04:59:01,591 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 04:59:01,591 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 04:59:01,592 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 04:59:01,603 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 04:59:01,603 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:01" (1/1) ... [2024-11-25 04:59:01,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 04:59:01,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:01,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 6 transitions. [2024-11-25 04:59:01,674 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states and 6 transitions. [2024-11-25 04:59:01,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-11-25 04:59:01,677 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 04:59:01,677 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 04:59:01,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 04:59:01,680 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 04:59:01,684 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-11-25 04:59:01,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:01,820 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-11-25 04:59:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 04:59:01,880 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-25 04:59:01,883 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-25 04:59:01,979 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 04:59:01,984 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-11-25 04:59:02,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 04:59:02,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 4 states and 3 transitions. [2024-11-25 04:59:02,099 INFO L276 IsEmpty]: Start isEmpty. Operand 4 states and 3 transitions. [2024-11-25 04:59:02,099 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 04:59:02,100 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 2 iterations. [2024-11-25 04:59:02,108 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 04:59:02,125 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 04:59:02,126 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 6) no Hoare annotation was computed. [2024-11-25 04:59:02,126 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 04:59:02,126 INFO L77 FloydHoareUtils]: At program point L6(line 6) the Hoare annotation is: (= (_ bv1 32) |ULTIMATE.start___VERIFIER_assert_~cond#1|) [2024-11-25 04:59:02,126 INFO L75 FloydHoareUtils]: For program point L6-1(line 6) no Hoare annotation was computed. [2024-11-25 04:59:02,126 INFO L77 FloydHoareUtils]: At program point L6-3(line 6) the Hoare annotation is: true [2024-11-25 04:59:02,133 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 04:59:02 ImpRootNode [2024-11-25 04:59:02,133 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 04:59:02,134 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 04:59:02,134 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 04:59:02,134 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 04:59:02,134 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 04:59:01" (3/4) ... [2024-11-25 04:59:02,137 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 04:59:02,143 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-11-25 04:59:02,144 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2024-11-25 04:59:02,144 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 04:59:02,144 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 04:59:02,237 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 04:59:02,237 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 04:59:02,237 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 04:59:02,240 INFO L158 Benchmark]: Toolchain (without parser) took 1857.43ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 57.7MB in the end (delta: 2.9MB). Peak memory consumption was 37.8MB. Max. memory is 16.1GB. [2024-11-25 04:59:02,241 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:59:02,241 INFO L158 Benchmark]: CACSL2BoogieTranslator took 271.93ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 49.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:59:02,241 INFO L158 Benchmark]: Boogie Procedure Inliner took 38.16ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 48.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:59:02,242 INFO L158 Benchmark]: Boogie Preprocessor took 30.58ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.6MB in the end (delta: 940.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 04:59:02,242 INFO L158 Benchmark]: RCFGBuilder took 865.89ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 37.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:59:02,242 INFO L158 Benchmark]: CodeCheck took 541.48ms. Allocated memory is still 83.9MB. Free memory was 37.3MB in the beginning and 24.4MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 04:59:02,245 INFO L158 Benchmark]: Witness Printer took 103.84ms. Allocated memory is still 83.9MB. Free memory was 24.4MB in the beginning and 57.7MB in the end (delta: -33.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-25 04:59:02,247 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 1 procedures, 6 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.5s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 1 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 4 IncrementalHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 1 mSDtfsCounter, 4 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 16 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 2 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, 0.1s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 2 ConstructedInterpolants, 0 QuantifiedInterpolants, 4 SizeOfPredicates, 1 NumberOfNonLiveVariables, 16 ConjunctsInSsa, 3 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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 - PositiveResult [Line: 6]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 83.9MB. Free memory is still 64.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 271.93ms. Allocated memory is still 83.9MB. Free memory was 60.6MB in the beginning and 49.5MB in the end (delta: 11.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 38.16ms. Allocated memory is still 83.9MB. Free memory was 49.5MB in the beginning and 48.5MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 30.58ms. Allocated memory is still 83.9MB. Free memory was 48.5MB in the beginning and 47.6MB in the end (delta: 940.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 865.89ms. Allocated memory is still 83.9MB. Free memory was 47.6MB in the beginning and 37.3MB in the end (delta: 10.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 541.48ms. Allocated memory is still 83.9MB. Free memory was 37.3MB in the beginning and 24.4MB in the end (delta: 12.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 103.84ms. Allocated memory is still 83.9MB. Free memory was 24.4MB in the beginning and 57.7MB in the end (delta: -33.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 04:59:02,270 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_ca8c4ae2-1909-4a6e-9cfb-e38aae39e2c3/bin/ukojak-verify-ENZ3QT5qd3/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 Writing output log to file Ultimate.log Result: TRUE