./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/float-benchs/filter2.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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/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 e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:11,745 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:11,798 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:18:11,802 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:18:11,802 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:18:11,819 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:11,820 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:11,820 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:11,821 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:11,821 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:11,821 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:11,821 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:11,821 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:18:11,821 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:18:11,821 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:18:11,821 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:11,822 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:11,822 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:11,822 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:11,822 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:18:11,822 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:11,822 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:11,822 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:11,822 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:11,822 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:11,822 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:11,822 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:11,822 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:11,823 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:11,823 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:11,823 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:11,823 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:18:11,823 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:18:11,823 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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/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 -> e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 [2024-12-06 01:18:12,046 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:12,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:12,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:12,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:12,057 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:12,059 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/filter2.c [2024-12-06 01:18:14,720 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/data/cc271e9cf/27e04423b81e4c00bdd0d53e87b088a1/FLAGd13d6dc1c [2024-12-06 01:18:14,912 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:14,912 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/sv-benchmarks/c/float-benchs/filter2.c [2024-12-06 01:18:14,919 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/data/cc271e9cf/27e04423b81e4c00bdd0d53e87b088a1/FLAGd13d6dc1c [2024-12-06 01:18:14,933 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/data/cc271e9cf/27e04423b81e4c00bdd0d53e87b088a1 [2024-12-06 01:18:14,935 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:14,937 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:14,938 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:14,938 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:14,942 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:14,943 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:14" (1/1) ... [2024-12-06 01:18:14,944 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a193c59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:14, skipping insertion in model container [2024-12-06 01:18:14,944 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:14" (1/1) ... [2024-12-06 01:18:14,956 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:15,086 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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2024-12-06 01:18:15,103 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:15,111 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:15,120 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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2024-12-06 01:18:15,124 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:15,136 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:15,137 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15 WrapperNode [2024-12-06 01:18:15,137 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:15,138 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:15,138 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:15,138 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:15,144 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,150 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,163 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 51 [2024-12-06 01:18:15,164 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:15,164 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:15,164 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:15,164 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:15,171 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,171 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,172 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,172 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,175 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,176 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,179 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,179 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,180 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,181 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:18:15,182 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:18:15,182 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:18:15,182 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:18:15,183 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,188 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:15,198 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:18:15,209 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:18:15,212 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:18:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:18:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:18:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:18:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:18:15,236 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:18:15,236 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:18:15,286 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:18:15,287 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:18:15,366 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:18:15,366 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:18:15,386 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:18:15,386 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:18:15,386 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:15 BoogieIcfgContainer [2024-12-06 01:18:15,386 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:18:15,387 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:18:15,387 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:18:15,395 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:18:15,395 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:15" (1/1) ... [2024-12-06 01:18:15,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:18:15,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:15,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-06 01:18:15,446 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-06 01:18:15,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:18:15,450 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:15,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:18:15,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:15,531 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:15,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:15,589 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:18:15,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:18:15,613 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:18:15,633 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:18:15 ImpRootNode [2024-12-06 01:18:15,633 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:18:15,634 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:18:15,634 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:18:15,634 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:18:15,634 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:15" (3/4) ... [2024-12-06 01:18:15,636 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:18:15,637 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:18:15,637 INFO L158 Benchmark]: Toolchain (without parser) took 700.71ms. Allocated memory is still 142.6MB. Free memory was 116.8MB in the beginning and 79.1MB in the end (delta: 37.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:18:15,638 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:15,638 INFO L158 Benchmark]: CACSL2BoogieTranslator took 199.38ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.7MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:15,638 INFO L158 Benchmark]: Boogie Procedure Inliner took 25.67ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:15,638 INFO L158 Benchmark]: Boogie Preprocessor took 17.25ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.5MB in the end (delta: 805.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:15,639 INFO L158 Benchmark]: RCFGBuilder took 204.71ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 92.3MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:18:15,639 INFO L158 Benchmark]: CodeCheck took 246.29ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 79.3MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:15,639 INFO L158 Benchmark]: Witness Printer took 2.96ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 79.1MB in the end (delta: 272.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:15,641 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 2 procedures, 14 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.2s, OverallIterations: 1, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: 0 DeclaredPredicates, 0 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 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: 17]: 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 someBinaryArithmeticDOUBLEoperation at line 42, overapproximation of someBinaryDOUBLEComparisonOperation at line 27, overapproximation of someBinaryDOUBLEComparisonOperation at line 38, overapproximation of someBinaryDOUBLEComparisonOperation at line 44, overapproximation of someBinaryDOUBLEComparisonOperation at line 28, overapproximation of to_real at line 30. Possible FailurePath: [L22] double E, E0, E1, S0, S1, S; [L23] int i; [L25] E = __VERIFIER_nondet_double() [L26] E0 = __VERIFIER_nondet_double() [L27] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L27] RET assume_abort_if_not(E >= 0. && E <= 1.) [L28] CALL assume_abort_if_not(E0 >= 0. && E0 <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L28] RET assume_abort_if_not(E0 >= 0. && E0 <= 1.) [L30] S0 = 0 [L31] S = 0 [L33] i = 0 VAL [i=0] [L33] COND TRUE i <= 1000000 [L34] E1 = E0 [L35] E0 = E [L37] E = __VERIFIER_nondet_double() [L38] CALL assume_abort_if_not(E >= 0. && E <= 1.) VAL [\old(cond)=1] [L15] COND FALSE !(!cond) [L38] RET assume_abort_if_not(E >= 0. && E <= 1.) VAL [E0=2, i=0] [L40] S1 = S0 [L41] S0 = S [L42] S = 0.7*E - E0*1.3 + E1*1.1 + S0*1.4 - S1*0.7 [L44] CALL __VERIFIER_assert(S >= -4. && S <= 4.) [L17] COND TRUE !(cond) [L17] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 142.6MB. Free memory is still 83.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 199.38ms. Allocated memory is still 142.6MB. Free memory was 116.6MB in the beginning and 105.7MB in the end (delta: 10.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 25.67ms. Allocated memory is still 142.6MB. Free memory was 105.4MB in the beginning and 104.3MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.25ms. Allocated memory is still 142.6MB. Free memory was 104.3MB in the beginning and 103.5MB in the end (delta: 805.7kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 204.71ms. Allocated memory is still 142.6MB. Free memory was 103.5MB in the beginning and 92.3MB in the end (delta: 11.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 246.29ms. Allocated memory is still 142.6MB. Free memory was 92.3MB in the beginning and 79.3MB in the end (delta: 13.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 2.96ms. Allocated memory is still 142.6MB. Free memory was 79.3MB in the beginning and 79.1MB in the end (delta: 272.6kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 01:18:15,656 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/float-benchs/filter2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/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 e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:18:17,549 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:18:17,626 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:18:17,651 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:18:17,652 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:18:17,652 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:18:17,652 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:18:17,652 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:18:17,653 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:18:17,653 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:18:17,653 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:18:17,653 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:18:17,653 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:18:17,653 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:18:17,653 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:18:17,653 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:18:17,654 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:18:17,654 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:18:17,654 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:18:17,654 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:18:17,654 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:18:17,654 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:18:17,654 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:18:17,654 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:18:17,654 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:18:17,654 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:18:17,655 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:17,655 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:18:17,655 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:18:17,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:17,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:18:17,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:18:17,655 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:18:17,655 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:18:17,655 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:17,655 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:18:17,656 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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/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 -> e42e84729022b725ebcfce66d0ece68757a1a9b385230356b4d45a24fc6b4ef2 [2024-12-06 01:18:17,871 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:18:17,877 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:18:17,878 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:18:17,879 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:18:17,880 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:18:17,881 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/float-benchs/filter2.c [2024-12-06 01:18:20,477 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/data/4447986d7/0b81ab9d155a43d68416839ff01d8e3d/FLAGcee98a7af [2024-12-06 01:18:20,672 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:18:20,673 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/sv-benchmarks/c/float-benchs/filter2.c [2024-12-06 01:18:20,680 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/data/4447986d7/0b81ab9d155a43d68416839ff01d8e3d/FLAGcee98a7af [2024-12-06 01:18:21,056 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/data/4447986d7/0b81ab9d155a43d68416839ff01d8e3d [2024-12-06 01:18:21,058 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:18:21,059 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:18:21,060 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:21,060 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:18:21,063 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:18:21,063 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,064 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3ecfaf51 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21, skipping insertion in model container [2024-12-06 01:18:21,064 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,074 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:18:21,167 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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2024-12-06 01:18:21,179 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:21,186 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:18:21,193 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_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/sv-benchmarks/c/float-benchs/filter2.c[652,665] [2024-12-06 01:18:21,197 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:18:21,206 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:18:21,206 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21 WrapperNode [2024-12-06 01:18:21,206 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:18:21,207 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:21,207 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:18:21,207 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:18:21,211 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,216 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,225 INFO L138 Inliner]: procedures = 15, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 52 [2024-12-06 01:18:21,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:18:21,226 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:18:21,226 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:18:21,226 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:18:21,230 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,230 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,231 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,232 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,238 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,238 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,241 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,242 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,243 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,244 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:18:21,245 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:18:21,245 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:18:21,245 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:18:21,246 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:18:21" (1/1) ... [2024-12-06 01:18:21,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:18:21,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:18:21,271 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:18:21,273 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:18:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:18:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:18:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 01:18:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 01:18:21,293 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:18:21,293 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:18:21,345 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:18:21,347 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:18:31,608 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:18:31,608 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:18:31,638 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:18:31,638 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 01:18:31,639 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:31 BoogieIcfgContainer [2024-12-06 01:18:31,639 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:18:31,639 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:18:31,640 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:18:31,646 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:18:31,647 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:18:31" (1/1) ... [2024-12-06 01:18:31,652 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:18:31,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:18:31,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2024-12-06 01:18:31,689 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2024-12-06 01:18:31,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-12-06 01:18:31,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:18:31,693 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:18:31,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:18:31,695 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:18:31,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 01:18:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 01:18:34,751 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 01:18:44,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 01:18:45,263 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 01:18:45,264 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck has thrown an exception: java.lang.UnsupportedOperationException: Solver said unknown at de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.CodeCheckObserver.process(CodeCheckObserver.java:485) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.CFGWalker.runObserver(CFGWalker.java:57) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.runObserver(BaseWalker.java:93) at de.uni_freiburg.informatik.ultimate.core.coreplugin.modelwalker.BaseWalker.run(BaseWalker.java:86) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:166) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2024-12-06 01:18:45,267 INFO L158 Benchmark]: Toolchain (without parser) took 24207.87ms. Allocated memory is still 92.3MB. Free memory was 70.4MB in the beginning and 65.2MB in the end (delta: 5.3MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2024-12-06 01:18:45,267 INFO L158 Benchmark]: CDTParser took 0.25ms. 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 01:18:45,268 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.64ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 58.6MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:18:45,268 INFO L158 Benchmark]: Boogie Procedure Inliner took 18.65ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 57.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:45,268 INFO L158 Benchmark]: Boogie Preprocessor took 18.33ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 56.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:45,269 INFO L158 Benchmark]: RCFGBuilder took 10394.31ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 44.5MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 01:18:45,269 INFO L158 Benchmark]: CodeCheck took 13626.63ms. Allocated memory is still 92.3MB. Free memory was 44.5MB in the beginning and 65.2MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:18:45,271 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 0.25ms. Allocated memory is still 83.9MB. Free memory is still 48.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 146.64ms. Allocated memory is still 92.3MB. Free memory was 70.2MB in the beginning and 58.6MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 18.65ms. Allocated memory is still 92.3MB. Free memory was 58.6MB in the beginning and 57.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.33ms. Allocated memory is still 92.3MB. Free memory was 57.3MB in the beginning and 56.3MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 10394.31ms. Allocated memory is still 92.3MB. Free memory was 56.3MB in the beginning and 44.5MB in the end (delta: 11.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 13626.63ms. Allocated memory is still 92.3MB. Free memory was 44.5MB in the beginning and 65.2MB in the end (delta: -20.6MB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: Toolchain returned no result. [2024-12-06 01:18:45,353 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8e045a61-127e-49ea-aa27-7a4cfa42d5b3/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