./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i --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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/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 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:20:02,141 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:20:02,195 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 01:20:02,200 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 01:20:02,200 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 01:20:02,219 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:20:02,220 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:20:02,220 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:20:02,220 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:20:02,220 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:20:02,221 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:20:02,221 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:20:02,221 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:20:02,221 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 01:20:02,221 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:20:02,221 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:20:02,221 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:20:02,221 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:20:02,221 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:20:02,221 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:20:02,221 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:20:02,222 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:20:02,222 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:20:02,222 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:20:02,222 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:20:02,222 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:20:02,222 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:20:02,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:20:02,222 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:20:02,222 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:20:02,222 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:20:02,222 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 01:20:02,222 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 01:20:02,223 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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/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 -> 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 [2024-12-06 01:20:02,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:20:02,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:20:02,466 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:20:02,467 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:20:02,467 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:20:02,469 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2024-12-06 01:20:05,208 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/data/2e16362b0/5f943aa8d6c84ddb9e14bb5cd8f44cdb/FLAG649d041e4 [2024-12-06 01:20:05,371 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:20:05,371 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2024-12-06 01:20:05,376 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/data/2e16362b0/5f943aa8d6c84ddb9e14bb5cd8f44cdb/FLAG649d041e4 [2024-12-06 01:20:05,755 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/data/2e16362b0/5f943aa8d6c84ddb9e14bb5cd8f44cdb [2024-12-06 01:20:05,757 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:20:05,758 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:20:05,759 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:20:05,759 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:20:05,762 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:20:05,762 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:05,763 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5dd8d270 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05, skipping insertion in model container [2024-12-06 01:20:05,763 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:05,774 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:20:05,921 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2024-12-06 01:20:05,924 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:20:05,934 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:20:05,948 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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2024-12-06 01:20:05,949 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:20:05,962 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:20:05,963 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05 WrapperNode [2024-12-06 01:20:05,963 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:20:05,964 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:20:05,964 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:20:05,964 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:20:05,971 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:05,977 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:05,992 INFO L138 Inliner]: procedures = 17, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 29 [2024-12-06 01:20:05,992 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:20:05,992 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:20:05,992 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:20:05,992 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:20:05,999 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:05,999 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:06,000 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:06,000 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:06,003 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:06,004 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:06,006 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:06,007 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:06,007 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:06,008 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:20:06,009 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:20:06,009 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:20:06,009 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:20:06,010 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:05" (1/1) ... [2024-12-06 01:20:06,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:20:06,027 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:20:06,039 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:20:06,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:20:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:20:06,069 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:20:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:20:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:20:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:20:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 01:20:06,070 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:20:06,070 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:20:06,129 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:20:06,131 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:20:06,226 INFO L? ?]: Removed 10 outVars from TransFormulas that were not future-live. [2024-12-06 01:20:06,227 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:20:06,256 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:20:06,256 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:20:06,256 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:20:06 BoogieIcfgContainer [2024-12-06 01:20:06,256 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:20:06,257 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:20:06,257 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:20:06,265 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:20:06,265 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:20:06" (1/1) ... [2024-12-06 01:20:06,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:20:06,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:06,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 01:20:06,322 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 01:20:06,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:20:06,326 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:06,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 01:20:06,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:20:06,395 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:20:06,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:20:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:20:06,450 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 01:20:06,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 01:20:06,474 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-12-06 01:20:06,494 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 01:20:06 ImpRootNode [2024-12-06 01:20:06,494 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 01:20:06,494 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 01:20:06,494 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 01:20:06,495 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 01:20:06,495 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:20:06" (3/4) ... [2024-12-06 01:20:06,497 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 01:20:06,497 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 01:20:06,498 INFO L158 Benchmark]: Toolchain (without parser) took 740.28ms. Allocated memory is still 117.4MB. Free memory was 93.1MB in the beginning and 56.2MB in the end (delta: 36.9MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-06 01:20:06,498 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:20:06,499 INFO L158 Benchmark]: CACSL2BoogieTranslator took 204.90ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:20:06,499 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.84ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:20:06,499 INFO L158 Benchmark]: Boogie Preprocessor took 16.18ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.9MB in the end (delta: 740.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:20:06,499 INFO L158 Benchmark]: RCFGBuilder took 247.19ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 68.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:20:06,500 INFO L158 Benchmark]: CodeCheck took 237.08ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 56.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 01:20:06,500 INFO L158 Benchmark]: Witness Printer took 3.12ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 56.2MB in the end (delta: 199.3kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 01:20:06,502 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 16 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, 17 NumberOfCodeBlocks, 17 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: 51]: 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 40, overapproximation of someBinaryDOUBLEComparisonOperation at line 50, overapproximation of someBinaryArithmeticFLOAToperation at line 29, overapproximation of someBinaryArithmeticFLOAToperation at line 44, overapproximation of someBinaryArithmeticFLOAToperation at line 34, overapproximation of someBinaryArithmeticFLOAToperation at line 42. Possible FailurePath: [L39] float IN = __VERIFIER_nondet_float(); [L40] CALL assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L24] COND FALSE !(!cond) [L40] RET assume_abort_if_not(IN > -1.2f && IN < 1.2f) [L42] CALL, EXPR f(IN) VAL [\old(x)=2] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L42] RET, EXPR f(IN) VAL [IN=2] [L42] CALL, EXPR fp(IN) VAL [\old(x)=2] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L42] RET, EXPR fp(IN) VAL [IN=2] [L42] float x = IN - f(IN)/fp(IN); [L44] CALL, EXPR f(x) VAL [\old(x)=3] [L29] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L44] RET, EXPR f(x) VAL [IN=2, x=3] [L44] CALL, EXPR fp(x) VAL [\old(x)=3] [L34] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L44] RET, EXPR fp(x) VAL [IN=2, x=3] [L44] x = x - f(x)/fp(x) [L50] COND TRUE !(x < 0.1) VAL [IN=2] [L51] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 117.4MB. Free memory was 72.9MB in the beginning and 72.8MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 204.90ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.7MB in the end (delta: 11.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.84ms. Allocated memory is still 117.4MB. Free memory was 81.7MB in the beginning and 80.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 16.18ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.9MB in the end (delta: 740.6kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 247.19ms. Allocated memory is still 117.4MB. Free memory was 79.9MB in the beginning and 68.2MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * CodeCheck took 237.08ms. Allocated memory is still 117.4MB. Free memory was 68.2MB in the beginning and 56.4MB in the end (delta: 11.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 3.12ms. Allocated memory is still 117.4MB. Free memory was 56.4MB in the beginning and 56.2MB in the end (delta: 199.3kB). 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 01:20:06,517 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/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 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 01:20:08,452 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 01:20:08,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 01:20:08,554 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 01:20:08,554 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 01:20:08,554 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 01:20:08,555 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 01:20:08,555 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 01:20:08,555 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 01:20:08,555 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 01:20:08,555 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 01:20:08,555 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 01:20:08,555 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 01:20:08,555 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 01:20:08,556 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 01:20:08,556 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 01:20:08,557 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:08,557 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 01:20:08,557 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 01:20:08,557 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:20:08,557 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 01:20:08,557 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 01:20:08,557 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 01:20:08,557 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 01:20:08,557 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:08,557 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 01:20:08,557 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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/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 -> 2e48881fddee372e5aad046f2f519f188ef8a27fb46b046a6e106c678419a225 [2024-12-06 01:20:08,792 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 01:20:08,800 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 01:20:08,802 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 01:20:08,803 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 01:20:08,803 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 01:20:08,805 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2024-12-06 01:20:11,485 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/data/e4358fd11/625387ad3eb24fde83f3fd520559f985/FLAGfd906535f [2024-12-06 01:20:11,655 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 01:20:11,655 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/sv-benchmarks/c/floats-cdfpl/newton_2_6.i [2024-12-06 01:20:11,663 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/data/e4358fd11/625387ad3eb24fde83f3fd520559f985/FLAGfd906535f [2024-12-06 01:20:11,677 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/data/e4358fd11/625387ad3eb24fde83f3fd520559f985 [2024-12-06 01:20:11,679 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 01:20:11,680 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 01:20:11,682 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 01:20:11,682 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 01:20:11,686 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 01:20:11,687 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7eb0dd47 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11, skipping insertion in model container [2024-12-06 01:20:11,688 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,701 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 01:20:11,842 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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2024-12-06 01:20:11,845 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:20:11,857 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 01:20:11,875 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_57b0fbca-7a21-4416-8cbc-3bd9535f071c/sv-benchmarks/c/floats-cdfpl/newton_2_6.i[1743,1756] [2024-12-06 01:20:11,875 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 01:20:11,891 INFO L204 MainTranslator]: Completed translation [2024-12-06 01:20:11,891 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11 WrapperNode [2024-12-06 01:20:11,891 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 01:20:11,892 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 01:20:11,892 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 01:20:11,892 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 01:20:11,899 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,907 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,922 INFO L138 Inliner]: procedures = 18, calls = 11, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 30 [2024-12-06 01:20:11,922 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 01:20:11,923 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 01:20:11,923 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 01:20:11,923 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 01:20:11,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,931 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,931 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,936 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,937 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,939 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,940 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,941 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,943 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 01:20:11,944 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 01:20:11,944 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 01:20:11,944 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 01:20:11,945 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 01:20:11" (1/1) ... [2024-12-06 01:20:11,951 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 01:20:11,963 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 01:20:11,972 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 01:20:11,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 01:20:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 01:20:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 01:20:11,993 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 01:20:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 01:20:11,993 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 01:20:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 01:20:11,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 01:20:11,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 01:20:12,042 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 01:20:12,043 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 01:20:35,862 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-12-06 01:20:35,862 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 01:20:35,905 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 01:20:35,905 INFO L312 CfgBuilder]: Removed 0 assume(true) statements. [2024-12-06 01:20:35,906 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:20:35 BoogieIcfgContainer [2024-12-06 01:20:35,906 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 01:20:35,907 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 01:20:35,907 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 01:20:35,915 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 01:20:35,916 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 01:20:35" (1/1) ... [2024-12-06 01:20:35,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 01:20:35,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 01:20:35,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 16 states and 18 transitions. [2024-12-06 01:20:35,958 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 18 transitions. [2024-12-06 01:20:35,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 01:20:35,961 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 01:20:35,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 01:20:35,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 01:20:35,963 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 01:20:35,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_57b0fbca-7a21-4416-8cbc-3bd9535f071c/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process