./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float2.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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/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 bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:32:39,615 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:32:39,675 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 23:32:39,680 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 23:32:39,680 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 23:32:39,700 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:32:39,701 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:32:39,701 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:32:39,702 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:32:39,702 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:32:39,702 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:32:39,702 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:32:39,702 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:32:39,702 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 23:32:39,703 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:32:39,703 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:32:39,703 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:32:39,703 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:32:39,703 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:32:39,703 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:32:39,703 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:32:39,703 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:32:39,703 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:32:39,703 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:32:39,703 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:32:39,704 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:32:39,704 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:32:39,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:32:39,704 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:32:39,704 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:32:39,704 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:32:39,704 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 23:32:39,704 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 23:32:39,704 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/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 -> bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 [2024-12-05 23:32:39,913 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:32:39,922 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:32:39,924 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:32:39,925 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:32:39,926 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:32:39,927 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float2.c [2024-12-05 23:32:42,611 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/data/0714e0e4d/9d26b7670bb24b829f5af87242503f26/FLAG2ad74a45e [2024-12-05 23:32:42,802 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:32:42,802 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c [2024-12-05 23:32:42,809 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/data/0714e0e4d/9d26b7670bb24b829f5af87242503f26/FLAG2ad74a45e [2024-12-05 23:32:42,824 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/data/0714e0e4d/9d26b7670bb24b829f5af87242503f26 [2024-12-05 23:32:42,826 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:32:42,828 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:32:42,829 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:32:42,829 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:32:42,834 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:32:42,834 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:32:42" (1/1) ... [2024-12-05 23:32:42,835 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@418346de and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:42, skipping insertion in model container [2024-12-05 23:32:42,836 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:32:42" (1/1) ... [2024-12-05 23:32:42,849 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:32:42,982 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-12-05 23:32:42,985 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-12-05 23:32:42,986 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-12-05 23:32:42,999 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-12-05 23:32:43,001 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:32:43,011 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:32:43,021 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-12-05 23:32:43,022 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-12-05 23:32:43,022 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-12-05 23:32:43,023 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-12-05 23:32:43,023 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:32:43,036 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:32:43,037 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43 WrapperNode [2024-12-05 23:32:43,037 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:32:43,038 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:32:43,038 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:32:43,038 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:32:43,044 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,050 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,064 INFO L138 Inliner]: procedures = 11, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 27 [2024-12-05 23:32:43,064 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:32:43,065 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:32:43,065 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:32:43,065 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:32:43,071 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,072 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,073 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,075 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,076 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,077 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,079 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,080 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:32:43,081 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:32:43,081 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:32:43,081 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:32:43,082 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:32:43,099 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:32:43,112 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:32:43,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:32:43,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:32:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:32:43,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:32:43,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 23:32:43,191 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:32:43,193 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:32:43,270 INFO L? ?]: Removed 6 outVars from TransFormulas that were not future-live. [2024-12-05 23:32:43,270 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:32:43,290 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:32:43,290 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:32:43,291 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:32:43 BoogieIcfgContainer [2024-12-05 23:32:43,291 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:32:43,292 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:32:43,292 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:32:43,302 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:32:43,302 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:32:43" (1/1) ... [2024-12-05 23:32:43,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:32:43,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:43,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-12-05 23:32:43,356 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-05 23:32:43,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:32:43,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:43,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 23:32:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:32:43,426 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:32:43,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:32:43,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:32:43,457 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-05 23:32:43,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-05 23:32:43,465 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-05 23:32:43,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:32:43 ImpRootNode [2024-12-05 23:32:43,479 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:32:43,480 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:32:43,480 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:32:43,480 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:32:43,481 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:32:43" (3/4) ... [2024-12-05 23:32:43,483 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-05 23:32:43,484 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:32:43,485 INFO L158 Benchmark]: Toolchain (without parser) took 657.24ms. Allocated memory is still 142.6MB. Free memory was 117.0MB in the beginning and 84.9MB in the end (delta: 32.2MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 23:32:43,485 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:32:43,486 INFO L158 Benchmark]: CACSL2BoogieTranslator took 207.95ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 106.2MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:32:43,486 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.46ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:32:43,487 INFO L158 Benchmark]: Boogie Preprocessor took 15.32ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.5MB in the end (delta: 596.2kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:32:43,487 INFO L158 Benchmark]: RCFGBuilder took 210.33ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 94.7MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 23:32:43,487 INFO L158 Benchmark]: CodeCheck took 187.64ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 85.2MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:32:43,488 INFO L158 Benchmark]: Witness Printer took 4.38ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 84.9MB in the end (delta: 275.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:32:43,490 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, 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: 12]: 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 someBinaryDOUBLEComparisonOperation at line 12. Possible FailurePath: [L7] float a; [L8] double b; [L11] a=1.25L [L12] COND TRUE !(a==1.25) [L12] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 207.95ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 106.2MB in the end (delta: 10.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.46ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 105.1MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 15.32ms. Allocated memory is still 142.6MB. Free memory was 105.1MB in the beginning and 104.5MB in the end (delta: 596.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 210.33ms. Allocated memory is still 142.6MB. Free memory was 104.2MB in the beginning and 94.7MB in the end (delta: 9.5MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 187.64ms. Allocated memory is still 142.6MB. Free memory was 94.7MB in the beginning and 85.2MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.38ms. Allocated memory is still 142.6MB. Free memory was 85.2MB in the beginning and 84.9MB in the end (delta: 275.0kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-05 23:32:43,508 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/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 bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 23:32:45,486 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 23:32:45,566 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-05 23:32:45,590 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 23:32:45,591 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 23:32:45,591 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 23:32:45,592 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 23:32:45,592 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 23:32:45,592 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 23:32:45,592 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 23:32:45,592 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 23:32:45,592 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 23:32:45,592 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 23:32:45,593 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 23:32:45,593 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 23:32:45,593 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 23:32:45,593 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-05 23:32:45,593 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-05 23:32:45,593 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-05 23:32:45,593 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 23:32:45,593 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 23:32:45,593 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 23:32:45,593 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 23:32:45,594 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 23:32:45,594 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 23:32:45,594 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 23:32:45,594 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:45,594 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-05 23:32:45,594 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 23:32:45,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:32:45,594 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 23:32:45,594 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 23:32:45,594 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 23:32:45,595 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-05 23:32:45,595 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:45,595 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-05 23:32:45,595 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/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 -> bcfb96d73d3159acff3d0fedafe635e3c1fa3ca1ecc4b177029539dd1ac5d911 [2024-12-05 23:32:45,826 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 23:32:45,835 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 23:32:45,837 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 23:32:45,839 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 23:32:45,839 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 23:32:45,840 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cbmc-regression/float2.c [2024-12-05 23:32:48,572 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/data/3b831f604/1b9947cfa08c41d7ae4b8e2ca9c36fc0/FLAGec51273f9 [2024-12-05 23:32:48,744 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 23:32:48,744 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c [2024-12-05 23:32:48,752 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/data/3b831f604/1b9947cfa08c41d7ae4b8e2ca9c36fc0/FLAGec51273f9 [2024-12-05 23:32:48,764 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/data/3b831f604/1b9947cfa08c41d7ae4b8e2ca9c36fc0 [2024-12-05 23:32:48,766 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 23:32:48,767 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 23:32:48,768 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 23:32:48,768 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 23:32:48,771 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 23:32:48,772 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,773 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96f4102 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48, skipping insertion in model container [2024-12-05 23:32:48,773 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,783 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 23:32:48,907 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-12-05 23:32:48,910 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-12-05 23:32:48,911 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-12-05 23:32:48,921 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-12-05 23:32:48,922 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:32:48,933 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 23:32:48,940 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[366,379] [2024-12-05 23:32:48,941 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[420,433] [2024-12-05 23:32:48,942 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[493,506] [2024-12-05 23:32:48,942 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_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/sv-benchmarks/c/floats-cbmc-regression/float2.c[557,570] [2024-12-05 23:32:48,943 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 23:32:48,954 INFO L204 MainTranslator]: Completed translation [2024-12-05 23:32:48,954 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48 WrapperNode [2024-12-05 23:32:48,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 23:32:48,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 23:32:48,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 23:32:48,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 23:32:48,962 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,967 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,979 INFO L138 Inliner]: procedures = 12, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 28 [2024-12-05 23:32:48,979 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 23:32:48,980 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 23:32:48,980 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 23:32:48,980 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 23:32:48,986 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,986 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,988 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,994 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,994 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,996 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,997 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,997 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:48,998 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 23:32:48,999 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 23:32:48,999 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 23:32:48,999 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 23:32:49,000 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 11:32:48" (1/1) ... [2024-12-05 23:32:49,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 23:32:49,018 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 23:32:49,029 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 23:32:49,033 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 23:32:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 23:32:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 23:32:49,055 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 23:32:49,055 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-05 23:32:49,107 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 23:32:49,109 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 23:32:49,317 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-05 23:32:49,317 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 23:32:49,340 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 23:32:49,340 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-05 23:32:49,340 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:32:49 BoogieIcfgContainer [2024-12-05 23:32:49,340 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 23:32:49,341 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 23:32:49,341 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 23:32:49,349 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 23:32:49,349 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:32:49" (1/1) ... [2024-12-05 23:32:49,355 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 23:32:49,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:49,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 18 states and 21 transitions. [2024-12-05 23:32:49,390 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 21 transitions. [2024-12-05 23:32:49,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-12-05 23:32:49,392 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:49,392 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:49,392 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:32:49,394 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:32:49,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-05 23:32:49,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:49,453 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:32:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:49,482 INFO L256 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-05 23:32:49,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:32:49,546 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:32:49,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-05 23:32:49,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:49,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-05 23:32:49,637 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-05 23:32:49,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 23:32:49,637 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:49,637 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:49,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:32:49,639 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:32:49,640 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-05 23:32:49,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:49,684 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:32:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:49,705 INFO L256 TraceCheckSpWp]: Trace formula consists of 18 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:32:49,706 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:32:49,731 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:32:49,733 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-05 23:32:49,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:49,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 14 states and 15 transitions. [2024-12-05 23:32:49,768 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 15 transitions. [2024-12-05 23:32:49,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-05 23:32:49,768 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:49,768 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:49,768 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:32:49,770 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:32:49,771 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-05 23:32:49,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:49,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:32:49,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:49,867 INFO L256 TraceCheckSpWp]: Trace formula consists of 20 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:32:49,868 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:32:49,907 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:32:49,909 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-05 23:32:49,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:49,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-12-05 23:32:49,960 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-12-05 23:32:49,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 23:32:49,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 23:32:49,960 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-05 23:32:49,961 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-05 23:32:49,963 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-05 23:32:49,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-05 23:32:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:50,038 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-05 23:32:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 23:32:50,068 INFO L256 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-05 23:32:50,069 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-05 23:32:50,115 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 23:32:50,117 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-05 23:32:50,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 23:32:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 10 states and 9 transitions. [2024-12-05 23:32:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 9 transitions. [2024-12-05 23:32:50,175 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 23:32:50,175 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-12-05 23:32:50,181 INFO L726 CodeCheckObserver]: All specifications hold 4 specifications checked. All of them hold [2024-12-05 23:32:50,210 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 23:32:50,211 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION(line 15) no Hoare annotation was computed. [2024-12-05 23:32:50,211 INFO L77 FloydHoareUtils]: At program point L23(line 23) the Hoare annotation is: (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 20.0)) |ULTIMATE.start_main_~a~0#1|) [2024-12-05 23:32:50,211 INFO L75 FloydHoareUtils]: For program point L23-1(line 23) no Hoare annotation was computed. [2024-12-05 23:32:50,211 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION(line 23) no Hoare annotation was computed. [2024-12-05 23:32:50,211 INFO L77 FloydHoareUtils]: At program point L19(line 19) the Hoare annotation is: (= ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 11 53) currentRoundingMode 50.0)) |ULTIMATE.start_main_~a~0#1|) [2024-12-05 23:32:50,211 INFO L75 FloydHoareUtils]: For program point L19-1(line 19) no Hoare annotation was computed. [2024-12-05 23:32:50,212 INFO L77 FloydHoareUtils]: At program point L19-3(line 19) the Hoare annotation is: true [2024-12-05 23:32:50,212 INFO L77 FloydHoareUtils]: At program point L15(line 15) the Hoare annotation is: (= ((_ to_fp 11 53) currentRoundingMode (/ 5.0 4.0)) |ULTIMATE.start_main_~b~0#1|) [2024-12-05 23:32:50,212 INFO L75 FloydHoareUtils]: For program point L15-1(line 15) no Hoare annotation was computed. [2024-12-05 23:32:50,212 INFO L77 FloydHoareUtils]: At program point L15-3(line 15) the Hoare annotation is: true [2024-12-05 23:32:50,212 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 23:32:50,212 INFO L77 FloydHoareUtils]: At program point L5(lines 5 24) the Hoare annotation is: true [2024-12-05 23:32:50,212 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 12) no Hoare annotation was computed. [2024-12-05 23:32:50,212 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION(line 19) no Hoare annotation was computed. [2024-12-05 23:32:50,212 INFO L77 FloydHoareUtils]: At program point L12(line 12) the Hoare annotation is: (and (= |ULTIMATE.start_main_~a~0#1| ((_ to_fp 8 24) currentRoundingMode ((_ to_fp 15 113) currentRoundingMode (/ 5.0 4.0)))) (= currentRoundingMode roundNearestTiesToEven)) [2024-12-05 23:32:50,212 INFO L75 FloydHoareUtils]: For program point L12-1(line 12) no Hoare annotation was computed. [2024-12-05 23:32:50,213 INFO L77 FloydHoareUtils]: At program point L12-3(line 12) the Hoare annotation is: true [2024-12-05 23:32:50,216 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 11:32:50 ImpRootNode [2024-12-05 23:32:50,216 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 23:32:50,216 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 23:32:50,216 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 23:32:50,217 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 23:32:50,217 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 11:32:49" (3/4) ... [2024-12-05 23:32:50,219 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 23:32:50,223 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2024-12-05 23:32:50,223 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-12-05 23:32:50,224 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-12-05 23:32:50,224 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 23:32:50,289 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 23:32:50,290 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 23:32:50,290 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 23:32:50,291 INFO L158 Benchmark]: Toolchain (without parser) took 1523.65ms. Allocated memory is still 92.3MB. Free memory was 70.1MB in the beginning and 48.5MB in the end (delta: 21.6MB). Peak memory consumption was 20.4MB. Max. memory is 16.1GB. [2024-12-05 23:32:50,291 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:32:50,291 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.95ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:32:50,291 INFO L158 Benchmark]: Boogie Procedure Inliner took 23.86ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 57.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:32:50,292 INFO L158 Benchmark]: Boogie Preprocessor took 18.98ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 56.5MB in the end (delta: 912.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:32:50,292 INFO L158 Benchmark]: RCFGBuilder took 341.22ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 46.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:32:50,292 INFO L158 Benchmark]: CodeCheck took 875.03ms. Allocated memory is still 92.3MB. Free memory was 46.6MB in the beginning and 52.9MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 23:32:50,293 INFO L158 Benchmark]: Witness Printer took 73.42ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 48.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 23:32:50,294 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, 18 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 0.8s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 58 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 16 SdHoareTripleChecker+Invalid, 0.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 26 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 34 IncrementalHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 26 mSolverCounterUnsat, 16 mSDtfsCounter, 34 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 20 ConstructedInterpolants, 0 QuantifiedInterpolants, 46 SizeOfPredicates, 4 NumberOfNonLiveVariables, 76 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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: 12]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 15]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 19]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - PositiveResult [Line: 23]: 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 4 specifications checked. All of them hold * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 83.9MB. Free memory is still 46.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.95ms. Allocated memory is still 92.3MB. Free memory was 70.0MB in the beginning and 58.5MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 23.86ms. Allocated memory is still 92.3MB. Free memory was 58.5MB in the beginning and 57.4MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.98ms. Allocated memory is still 92.3MB. Free memory was 57.4MB in the beginning and 56.5MB in the end (delta: 912.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 341.22ms. Allocated memory is still 92.3MB. Free memory was 56.5MB in the beginning and 46.6MB in the end (delta: 9.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 875.03ms. Allocated memory is still 92.3MB. Free memory was 46.6MB in the beginning and 52.9MB in the end (delta: -6.3MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 73.42ms. Allocated memory is still 92.3MB. Free memory was 52.9MB in the beginning and 48.5MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 23:32:50,316 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d9176cd6-ec34-4ee9-bd53-a648db57eaa7/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: TRUE