./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/interpolation2.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_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/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_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/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_04e9376b-5b66-4383-986c-827a959b2232/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 5f3bcf3c30f63fe0ad0702712c01ba8d1145d6fb2558cd3e5ee3c870476dc3b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:04:58,634 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:04:58,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 02:04:58,693 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 02:04:58,693 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 02:04:58,711 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:04:58,712 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:04:58,712 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:04:58,712 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:04:58,713 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:04:58,713 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:04:58,713 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:04:58,713 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:04:58,713 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 02:04:58,713 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:04:58,713 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:04:58,713 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:04:58,713 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:04:58,714 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:04:58,714 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:04:58,714 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:04:58,714 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:04:58,714 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:04:58,714 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:04:58,714 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:04:58,714 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:04:58,714 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:04:58,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:04:58,715 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:04:58,715 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:04:58,715 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:04:58,715 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 02:04:58,715 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 02:04:58,715 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_04e9376b-5b66-4383-986c-827a959b2232/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 -> 5f3bcf3c30f63fe0ad0702712c01ba8d1145d6fb2558cd3e5ee3c870476dc3b1 [2024-12-06 02:04:58,912 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:04:58,919 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:04:58,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:04:58,922 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:04:58,922 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:04:58,924 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/interpolation2.c [2024-12-06 02:05:01,522 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/data/fd81c3202/22ae5244fdac4fd0b6cb2a273ed4f455/FLAGf10572338 [2024-12-06 02:05:01,731 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:05:01,732 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/sv-benchmarks/c/float-benchs/interpolation2.c [2024-12-06 02:05:01,738 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/data/fd81c3202/22ae5244fdac4fd0b6cb2a273ed4f455/FLAGf10572338 [2024-12-06 02:05:02,102 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/data/fd81c3202/22ae5244fdac4fd0b6cb2a273ed4f455 [2024-12-06 02:05:02,103 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:05:02,104 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:05:02,105 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:05:02,105 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:05:02,108 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:05:02,109 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,109 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cd041fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02, skipping insertion in model container [2024-12-06 02:05:02,109 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,119 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:05:02,237 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_04e9376b-5b66-4383-986c-827a959b2232/sv-benchmarks/c/float-benchs/interpolation2.c[450,463] [2024-12-06 02:05:02,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:05:02,267 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:05:02,277 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_04e9376b-5b66-4383-986c-827a959b2232/sv-benchmarks/c/float-benchs/interpolation2.c[450,463] [2024-12-06 02:05:02,288 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:05:02,303 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:05:02,303 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02 WrapperNode [2024-12-06 02:05:02,303 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:05:02,304 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:05:02,304 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:05:02,304 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:05:02,311 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,318 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,335 INFO L138 Inliner]: procedures = 18, calls = 49, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 99 [2024-12-06 02:05:02,335 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:05:02,336 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:05:02,336 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:05:02,336 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:05:02,343 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,343 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,345 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,345 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,351 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,352 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,356 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,357 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,358 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,359 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:05:02,360 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:05:02,360 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:05:02,360 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:05:02,361 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:05:02,378 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:05:02,390 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:05:02,392 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:05:02,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:05:02,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 02:05:02,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:05:02,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2024-12-06 02:05:02,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:05:02,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:05:02,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~real [2024-12-06 02:05:02,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:05:02,483 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:05:02,485 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:05:02,606 INFO L? ?]: Removed 15 outVars from TransFormulas that were not future-live. [2024-12-06 02:05:02,607 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:05:02,669 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:05:02,669 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:05:02,669 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:02 BoogieIcfgContainer [2024-12-06 02:05:02,669 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:05:02,670 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:05:02,670 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:05:02,680 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:05:02,680 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:02" (1/1) ... [2024-12-06 02:05:02,687 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:05:02,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:02,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 02:05:02,737 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 02:05:02,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:05:02,739 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:02,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:02,948 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:05:02,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:02,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-06 02:05:02,977 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-06 02:05:02,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:05:02,977 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:02,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 02:05:02,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:05:02,999 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:05:03,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:05:03,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:05:03,057 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 02:05:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 02:05:03,078 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 02:05:03,102 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 02:05:03 ImpRootNode [2024-12-06 02:05:03,102 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 02:05:03,102 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 02:05:03,102 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 02:05:03,102 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 02:05:03,103 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:02" (3/4) ... [2024-12-06 02:05:03,105 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 02:05:03,106 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 02:05:03,107 INFO L158 Benchmark]: Toolchain (without parser) took 1002.43ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 62.4MB in the end (delta: 54.0MB). Peak memory consumption was 50.3MB. Max. memory is 16.1GB. [2024-12-06 02:05:03,107 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:05:03,108 INFO L158 Benchmark]: CACSL2BoogieTranslator took 198.63ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 104.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:05:03,108 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.13ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:05:03,108 INFO L158 Benchmark]: Boogie Preprocessor took 23.63ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:05:03,109 INFO L158 Benchmark]: RCFGBuilder took 309.31ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 85.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:05:03,109 INFO L158 Benchmark]: CodeCheck took 431.68ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 62.7MB in the end (delta: 23.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 02:05:03,109 INFO L158 Benchmark]: Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory was 62.7MB in the beginning and 62.4MB in the end (delta: 275.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:05:03,112 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, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.4s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 10 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 5 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 6 IncrementalHoareTripleChecker+Invalid, 8 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 5 mSDtfsCounter, 6 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 32 GetRequests, 30 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, 0.1s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 4 ConstructedInterpolants, 0 QuantifiedInterpolants, 6 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 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 - UnprovableResult [Line: 9]: 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 24, overapproximation of someBinaryFLOATComparisonOperation at line 21, overapproximation of someBinaryFLOATComparisonOperation at line 28, overapproximation of to_real at line 15, overapproximation of someBinaryArithmeticFLOAToperation at line 26. Possible FailurePath: [L13] int i; [L14] float z, t; [L15] float min[] = { 5, 10, 12, 30, 150 }; [L16] float max[] = { 10, 12, 30, 150, 300 }; [L17] float org[] = { 1, 5, -10, 30, 20 }; [L18] float slope[] = { 4, -15, 40, -10, 0 }; [L20] t = __VERIFIER_nondet_float() [L21] EXPR min[0] [L21] EXPR t >= min[0] && t <= max[sizeof(max) / sizeof(max[0]) - 1] [L21] EXPR max[sizeof(max) / sizeof(max[0]) - 1] [L21] EXPR t >= min[0] && t <= max[sizeof(max) / sizeof(max[0]) - 1] [L21] CALL assume_abort_if_not(t >= min[0] && t <= max[sizeof(max) / sizeof(max[0]) - 1]) [L7] COND FALSE !(!cond) [L21] RET assume_abort_if_not(t >= min[0] && t <= max[sizeof(max) / sizeof(max[0]) - 1]) [L23] i = 0 VAL [i=0, max={124:0}] [L23] COND TRUE i < sizeof(min) / sizeof(min[0]) [L24] EXPR max[i] VAL [i=0, max={124:0}] [L24] COND TRUE t <= max[i] [L26] EXPR org[i] [L26] EXPR slope[i] [L26] EXPR min[i] [L26] EXPR max[i] [L26] EXPR min[i] [L26] z = org[i] + slope[i] * (t - min[i]) / (max[i] - min[i]) [L28] CALL __VERIFIER_assert(z >= -10.f && z <= 30.f) [L9] COND TRUE !(cond) [L9] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 82.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 198.63ms. Allocated memory is still 142.6MB. Free memory was 116.4MB in the beginning and 104.9MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.13ms. Allocated memory is still 142.6MB. Free memory was 104.9MB in the beginning and 103.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 23.63ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 102.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 309.31ms. Allocated memory is still 142.6MB. Free memory was 102.3MB in the beginning and 85.8MB in the end (delta: 16.4MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 431.68ms. Allocated memory is still 142.6MB. Free memory was 85.8MB in the beginning and 62.7MB in the end (delta: 23.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * Witness Printer took 3.84ms. Allocated memory is still 142.6MB. Free memory was 62.7MB in the beginning and 62.4MB in the end (delta: 275.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 02:05:03,129 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/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_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/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_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/interpolation2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/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_04e9376b-5b66-4383-986c-827a959b2232/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 5f3bcf3c30f63fe0ad0702712c01ba8d1145d6fb2558cd3e5ee3c870476dc3b1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 02:05:05,019 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 02:05:05,101 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 02:05:05,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 02:05:05,126 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 02:05:05,126 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 02:05:05,126 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 02:05:05,126 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 02:05:05,127 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 02:05:05,127 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 02:05:05,127 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 02:05:05,127 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 02:05:05,127 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 02:05:05,127 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 02:05:05,127 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 02:05:05,127 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 02:05:05,127 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 02:05:05,128 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 02:05:05,128 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 02:05:05,128 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 02:05:05,128 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 02:05:05,128 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 02:05:05,128 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 02:05:05,128 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 02:05:05,128 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 02:05:05,128 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 02:05:05,129 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:05,129 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 02:05:05,129 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 02:05:05,129 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:05:05,129 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 02:05:05,129 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 02:05:05,129 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 02:05:05,129 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 02:05:05,129 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:05,129 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 02:05:05,130 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_04e9376b-5b66-4383-986c-827a959b2232/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 -> 5f3bcf3c30f63fe0ad0702712c01ba8d1145d6fb2558cd3e5ee3c870476dc3b1 [2024-12-06 02:05:05,351 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 02:05:05,358 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 02:05:05,359 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 02:05:05,360 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 02:05:05,361 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 02:05:05,362 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/interpolation2.c [2024-12-06 02:05:07,952 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/data/6c2b61250/486992f3328d429f87362061a47d6696/FLAG5de3141c5 [2024-12-06 02:05:08,172 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 02:05:08,173 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/sv-benchmarks/c/float-benchs/interpolation2.c [2024-12-06 02:05:08,179 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/data/6c2b61250/486992f3328d429f87362061a47d6696/FLAG5de3141c5 [2024-12-06 02:05:08,531 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/data/6c2b61250/486992f3328d429f87362061a47d6696 [2024-12-06 02:05:08,533 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 02:05:08,534 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 02:05:08,535 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 02:05:08,535 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 02:05:08,538 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 02:05:08,538 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,539 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@335c3db5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08, skipping insertion in model container [2024-12-06 02:05:08,540 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,549 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 02:05:08,669 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_04e9376b-5b66-4383-986c-827a959b2232/sv-benchmarks/c/float-benchs/interpolation2.c[450,463] [2024-12-06 02:05:08,689 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:05:08,699 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 02:05:08,706 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_04e9376b-5b66-4383-986c-827a959b2232/sv-benchmarks/c/float-benchs/interpolation2.c[450,463] [2024-12-06 02:05:08,717 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 02:05:08,733 INFO L204 MainTranslator]: Completed translation [2024-12-06 02:05:08,733 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08 WrapperNode [2024-12-06 02:05:08,733 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 02:05:08,734 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 02:05:08,734 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 02:05:08,735 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 02:05:08,741 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,750 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,768 INFO L138 Inliner]: procedures = 19, calls = 49, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 100 [2024-12-06 02:05:08,768 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 02:05:08,769 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 02:05:08,769 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 02:05:08,769 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 02:05:08,776 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,776 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,779 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,780 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,786 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,787 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,790 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,792 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,793 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,795 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 02:05:08,796 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 02:05:08,796 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 02:05:08,796 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 02:05:08,797 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 02:05:08" (1/1) ... [2024-12-06 02:05:08,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 02:05:08,815 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 02:05:08,826 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 02:05:08,828 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 02:05:08,849 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 02:05:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intFLOATTYPE4 [2024-12-06 02:05:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 02:05:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-12-06 02:05:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure read~intFLOATTYPE4 [2024-12-06 02:05:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 02:05:08,850 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 02:05:08,850 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-12-06 02:05:08,907 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 02:05:08,909 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 02:05:19,224 INFO L? ?]: Removed 17 outVars from TransFormulas that were not future-live. [2024-12-06 02:05:19,225 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 02:05:19,316 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 02:05:19,317 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 02:05:19,317 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:19 BoogieIcfgContainer [2024-12-06 02:05:19,317 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 02:05:19,318 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 02:05:19,318 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 02:05:19,324 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 02:05:19,325 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 02:05:19" (1/1) ... [2024-12-06 02:05:19,330 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 02:05:19,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:19,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 02:05:19,364 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 02:05:19,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 02:05:19,365 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:19,366 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:19,366 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:19,368 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:19,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 02:05:19,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:19,545 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:19,754 INFO L256 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-12-06 02:05:19,757 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 02:05:19,807 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 02:05:19,809 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 02:05:19,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 02:05:19,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 10 states and 12 transitions. [2024-12-06 02:05:19,912 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 12 transitions. [2024-12-06 02:05:19,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 02:05:19,912 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 02:05:19,912 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 02:05:19,913 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 02:05:19,914 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 02:05:19,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 02:05:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 02:05:21,023 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 02:05:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 02:05:31,357 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 02:05:31,358 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 02:05:31,362 INFO L158 Benchmark]: Toolchain (without parser) took 22827.30ms. Allocated memory is still 92.3MB. Free memory was 69.3MB in the beginning and 27.8MB in the end (delta: 41.6MB). Peak memory consumption was 36.7MB. Max. memory is 16.1GB. [2024-12-06 02:05:31,362 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:05:31,362 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.25ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 56.9MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:05:31,363 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.07ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 02:05:31,363 INFO L158 Benchmark]: Boogie Preprocessor took 26.61ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 54.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 02:05:31,363 INFO L158 Benchmark]: RCFGBuilder took 10520.91ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 52.5MB in the end (delta: 1.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. [2024-12-06 02:05:31,364 INFO L158 Benchmark]: CodeCheck took 12042.98ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 27.8MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 02:05:31,366 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: UnsupportedOperationException: Solver said unknown: de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.25ms. Allocated memory is still 92.3MB. Free memory was 69.2MB in the beginning and 56.9MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.07ms. Allocated memory is still 92.3MB. Free memory was 56.9MB in the beginning and 55.4MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.61ms. Allocated memory is still 92.3MB. Free memory was 55.4MB in the beginning and 54.0MB in the end (delta: 1.3MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10520.91ms. Allocated memory is still 92.3MB. Free memory was 53.9MB in the beginning and 52.5MB in the end (delta: 1.4MB). Peak memory consumption was 19.9MB. Max. memory is 16.1GB. * CodeCheck took 12042.98ms. Allocated memory is still 92.3MB. Free memory was 52.4MB in the beginning and 27.8MB in the end (delta: 24.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 02:05:31,403 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_04e9376b-5b66-4383-986c-827a959b2232/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: UnsupportedOperationException: Solver said unknown