./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_1_2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 9bd2c7ff Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL --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 f2d1b02369a1f0b5046b14bc967075017a0d2438bdce8876a41d0f5cadb3a872 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:21,194 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:21,273 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:09:21,278 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:09:21,279 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:09:21,307 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:21,308 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:09:21,308 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:09:21,309 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:21,310 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:21,311 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:21,311 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:21,312 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:21,312 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:09:21,313 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:21,313 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:21,314 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:21,314 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:21,315 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:21,315 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:21,316 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:21,316 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:21,317 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:21,317 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:21,318 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:21,318 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:21,319 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:21,319 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:21,319 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:21,320 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:09:21,320 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:09:21,321 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:09:21,321 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:09:21,321 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2d1b02369a1f0b5046b14bc967075017a0d2438bdce8876a41d0f5cadb3a872 [2023-11-19 03:09:21,560 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:21,582 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:21,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:21,586 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:21,586 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:21,588 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_1+newton_1_2.i [2023-11-19 03:09:24,706 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:24,924 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:24,925 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i [2023-11-19 03:09:24,934 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/data/cd0776559/f76dc4e64f01459387c4f9ae29969144/FLAGfefd99633 [2023-11-19 03:09:24,949 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/data/cd0776559/f76dc4e64f01459387c4f9ae29969144 [2023-11-19 03:09:24,952 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:24,953 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:24,955 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:24,955 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:24,961 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:24,962 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:24" (1/1) ... [2023-11-19 03:09:24,966 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b7966fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:24, skipping insertion in model container [2023-11-19 03:09:24,967 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:24" (1/1) ... [2023-11-19 03:09:24,997 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:25,151 WARN L240 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_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[1226,1239] [2023-11-19 03:09:25,178 WARN L240 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_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[2786,2799] [2023-11-19 03:09:25,179 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:25,191 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:25,211 WARN L240 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_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[1226,1239] [2023-11-19 03:09:25,221 WARN L240 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_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[2786,2799] [2023-11-19 03:09:25,223 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:25,242 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:25,243 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25 WrapperNode [2023-11-19 03:09:25,243 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:25,244 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:25,244 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:25,245 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:25,252 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,265 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,296 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 89 [2023-11-19 03:09:25,297 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:25,298 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:25,298 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:25,298 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:25,306 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,306 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,309 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,309 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,316 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,319 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,321 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,322 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,325 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:25,326 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:25,326 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:25,326 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:25,327 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,332 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:25,349 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:25,366 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:25,379 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:25,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:09:25,408 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:25,408 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:25,485 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:25,488 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:25,702 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:25,793 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:25,793 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:09:25,799 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:25 BoogieIcfgContainer [2023-11-19 03:09:25,800 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:25,801 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:25,801 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:25,812 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:25,812 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:25" (1/1) ... [2023-11-19 03:09:25,822 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:25,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:25,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 03:09:25,881 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 03:09:25,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:09:25,883 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:25,884 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:09:25,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:25,974 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:09:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:26,034 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:09:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:09:26,052 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:09:26,073 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:09:26 ImpRootNode [2023-11-19 03:09:26,073 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:09:26,074 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:09:26,074 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:09:26,075 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:09:26,075 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:25" (3/4) ... [2023-11-19 03:09:26,078 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:09:26,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:09:26,080 INFO L158 Benchmark]: Toolchain (without parser) took 1126.62ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 82.5MB in the beginning and 117.2MB in the end (delta: -34.7MB). Peak memory consumption was 3.2MB. Max. memory is 16.1GB. [2023-11-19 03:09:26,081 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:26,082 INFO L158 Benchmark]: CACSL2BoogieTranslator took 288.50ms. Allocated memory is still 127.9MB. Free memory was 82.5MB in the beginning and 70.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:09:26,082 INFO L158 Benchmark]: Boogie Procedure Inliner took 53.11ms. Allocated memory is still 127.9MB. Free memory was 70.7MB in the beginning and 68.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:09:26,083 INFO L158 Benchmark]: Boogie Preprocessor took 26.99ms. Allocated memory is still 127.9MB. Free memory was 68.7MB in the beginning and 67.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:26,084 INFO L158 Benchmark]: RCFGBuilder took 474.27ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 67.2MB in the beginning and 128.7MB in the end (delta: -61.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. [2023-11-19 03:09:26,085 INFO L158 Benchmark]: CodeCheck took 272.85ms. Allocated memory is still 163.6MB. Free memory was 128.7MB in the beginning and 117.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:09:26,085 INFO L158 Benchmark]: Witness Printer took 4.96ms. Allocated memory is still 163.6MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:09:26,103 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 15 locations, 2 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, 4 NumberOfCodeBlocks, 4 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 - UnprovableResult [Line: 102]: 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 91, overapproximation of someBinaryDOUBLEComparisonOperation at line 101, overapproximation of someBinaryArithmeticFLOAToperation at line 80. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L93] CALL, EXPR f(IN) [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L93] RET, EXPR f(IN) [L93] CALL, EXPR fp(IN) [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L93] RET, EXPR fp(IN) [L93] float x = IN - f(IN)/fp(IN); [L101] COND TRUE !(x < 0.1) [L102] reach_error() * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 127.9MB. Free memory is still 75.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 288.50ms. Allocated memory is still 127.9MB. Free memory was 82.5MB in the beginning and 70.7MB in the end (delta: 11.8MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 53.11ms. Allocated memory is still 127.9MB. Free memory was 70.7MB in the beginning and 68.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 26.99ms. Allocated memory is still 127.9MB. Free memory was 68.7MB in the beginning and 67.5MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 474.27ms. Allocated memory was 127.9MB in the beginning and 163.6MB in the end (delta: 35.7MB). Free memory was 67.2MB in the beginning and 128.7MB in the end (delta: -61.6MB). Peak memory consumption was 17.9MB. Max. memory is 16.1GB. * CodeCheck took 272.85ms. Allocated memory is still 163.6MB. Free memory was 128.7MB in the beginning and 117.2MB in the end (delta: 11.5MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.96ms. Allocated memory is still 163.6MB. Free memory is still 117.2MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:09:26,147 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL --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 f2d1b02369a1f0b5046b14bc967075017a0d2438bdce8876a41d0f5cadb3a872 --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:09:28,791 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:09:28,925 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:09:28,976 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:09:28,977 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:09:28,978 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:09:28,978 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:09:28,979 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:09:28,980 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:09:28,988 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:09:28,988 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:09:28,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:09:28,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:09:28,991 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:09:28,991 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:09:28,992 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:09:28,992 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:09:28,993 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:09:28,993 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:09:28,994 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:09:28,994 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:09:28,995 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:09:28,995 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:09:28,995 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:09:28,996 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:09:28,996 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:09:28,997 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:09:28,997 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:09:28,997 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:28,998 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:09:28,999 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:09:29,000 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:09:29,001 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:09:29,001 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:09:29,001 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:09:29,002 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:09:29,002 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:09:29,002 INFO L153 SettingsManager]: * Logic for external solver=AUFBV WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f2d1b02369a1f0b5046b14bc967075017a0d2438bdce8876a41d0f5cadb3a872 [2023-11-19 03:09:29,433 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:09:29,464 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:09:29,468 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:09:29,469 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:09:29,470 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:09:29,472 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_1+newton_1_2.i [2023-11-19 03:09:32,554 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:09:32,819 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:09:32,822 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i [2023-11-19 03:09:32,829 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/data/cb1db2b63/5c2b34f3a8a940229a35ae02f3b36731/FLAG18b785dec [2023-11-19 03:09:32,843 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/data/cb1db2b63/5c2b34f3a8a940229a35ae02f3b36731 [2023-11-19 03:09:32,846 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:09:32,847 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:09:32,849 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:32,849 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:09:32,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:09:32,856 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,857 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19d0a4c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:32, skipping insertion in model container [2023-11-19 03:09:32,857 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:09:32" (1/1) ... [2023-11-19 03:09:32,897 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:09:33,110 WARN L240 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_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[1226,1239] [2023-11-19 03:09:33,162 WARN L240 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_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[2786,2799] [2023-11-19 03:09:33,168 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:33,186 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:09:33,210 WARN L240 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_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[1226,1239] [2023-11-19 03:09:33,238 WARN L240 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_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/sv-benchmarks/c/combinations/gcd_1+newton_1_2.i[2786,2799] [2023-11-19 03:09:33,239 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:09:33,258 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:09:33,259 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33 WrapperNode [2023-11-19 03:09:33,259 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:09:33,261 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:33,265 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:09:33,265 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:09:33,273 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,300 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,381 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 84 [2023-11-19 03:09:33,381 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:09:33,382 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:09:33,382 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:09:33,383 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:09:33,392 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,392 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,396 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,397 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,421 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,426 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,429 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,430 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,434 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:09:33,435 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:09:33,435 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:09:33,436 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:09:33,436 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:09:33" (1/1) ... [2023-11-19 03:09:33,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:09:33,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:09:33,473 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:09:33,499 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:09:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:09:33,523 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:09:33,524 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:09:33,524 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:09:33,606 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:09:33,608 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:09:52,795 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:09:52,867 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:09:52,867 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:09:52,871 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:52 BoogieIcfgContainer [2023-11-19 03:09:52,872 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:09:52,873 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:09:52,873 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:09:52,884 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:09:52,884 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:09:52" (1/1) ... [2023-11-19 03:09:52,894 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:09:52,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:09:52,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 03:09:52,950 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 03:09:52,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:09:52,952 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:09:52,953 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:09:52,954 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:09:52,960 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:09:52,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f157cec6-43e5-4ed9-9615-4a5f07aebe7f/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process