./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_2+newton_1_7.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_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/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_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_1_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/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_bcb92c08-27d0-4621-9799-48b6dcd6837d/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 b8d2b9f69b0c816e269dea56d57200f8896cad5b0d3fcdf300db44a3be91845d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:18:55,147 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:18:55,211 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-19 03:18:55,217 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-19 03:18:55,217 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-19 03:18:55,241 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:18:55,242 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:18:55,243 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:18:55,243 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:18:55,244 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:18:55,245 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:18:55,245 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:18:55,246 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:18:55,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-19 03:18:55,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:18:55,248 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:18:55,249 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:18:55,249 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:18:55,250 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:18:55,250 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:18:55,251 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:18:55,252 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:18:55,253 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:18:55,253 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:18:55,254 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:18:55,255 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:18:55,255 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:55,256 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:18:55,260 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:18:55,260 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:18:55,262 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-19 03:18:55,262 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-19 03:18:55,262 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:18:55,263 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_bcb92c08-27d0-4621-9799-48b6dcd6837d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8d2b9f69b0c816e269dea56d57200f8896cad5b0d3fcdf300db44a3be91845d [2023-11-19 03:18:55,568 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:18:55,599 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:18:55,602 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:18:55,603 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:18:55,604 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:18:55,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_2+newton_1_7.i [2023-11-19 03:18:58,614 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:18:58,953 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:18:58,954 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/sv-benchmarks/c/combinations/gcd_2+newton_1_7.i [2023-11-19 03:18:58,964 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/data/3f185ec28/0b8c7a764d6e4620818249ee3fbc56e5/FLAG85a25c468 [2023-11-19 03:18:58,981 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/data/3f185ec28/0b8c7a764d6e4620818249ee3fbc56e5 [2023-11-19 03:18:58,987 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:18:58,989 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:18:58,993 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:58,993 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:18:58,998 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:18:58,998 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:58" (1/1) ... [2023-11-19 03:18:59,003 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@593b5465 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59, skipping insertion in model container [2023-11-19 03:18:59,003 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:18:58" (1/1) ... [2023-11-19 03:18:59,033 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:18:59,206 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_bcb92c08-27d0-4621-9799-48b6dcd6837d/sv-benchmarks/c/combinations/gcd_2+newton_1_7.i[1226,1239] [2023-11-19 03:18:59,232 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_bcb92c08-27d0-4621-9799-48b6dcd6837d/sv-benchmarks/c/combinations/gcd_2+newton_1_7.i[2820,2833] [2023-11-19 03:18:59,234 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:59,245 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:18:59,258 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_bcb92c08-27d0-4621-9799-48b6dcd6837d/sv-benchmarks/c/combinations/gcd_2+newton_1_7.i[1226,1239] [2023-11-19 03:18:59,271 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_bcb92c08-27d0-4621-9799-48b6dcd6837d/sv-benchmarks/c/combinations/gcd_2+newton_1_7.i[2820,2833] [2023-11-19 03:18:59,273 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:18:59,288 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:18:59,288 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59 WrapperNode [2023-11-19 03:18:59,288 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:18:59,290 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:59,290 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:18:59,290 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:18:59,298 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,307 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,336 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 89 [2023-11-19 03:18:59,336 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:18:59,337 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:18:59,337 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:18:59,338 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:18:59,347 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,347 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,350 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,350 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,356 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,360 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,361 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,363 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,365 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:18:59,366 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:18:59,367 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:18:59,367 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:18:59,368 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,374 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:18:59,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:18:59,402 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:18:59,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:18:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:18:59,447 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-19 03:18:59,448 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:18:59,448 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:18:59,515 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:18:59,517 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:18:59,713 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:18:59,785 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:18:59,785 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:18:59,790 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:59 BoogieIcfgContainer [2023-11-19 03:18:59,790 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:18:59,791 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:18:59,791 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:18:59,802 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:18:59,812 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:59" (1/1) ... [2023-11-19 03:18:59,823 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:18:59,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:18:59,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 03:18:59,889 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 03:18:59,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:18:59,892 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:18:59,892 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-19 03:19:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:19:00,016 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:19:00,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:19:00,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:19:00,077 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2023-11-19 03:19:00,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2023-11-19 03:19:00,106 WARN L476 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2023-11-19 03:19:00,127 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 03:19:00 ImpRootNode [2023-11-19 03:19:00,127 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2023-11-19 03:19:00,128 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2023-11-19 03:19:00,128 INFO L270 PluginConnector]: Initializing Witness Printer... [2023-11-19 03:19:00,129 INFO L274 PluginConnector]: Witness Printer initialized [2023-11-19 03:19:00,129 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:18:59" (3/4) ... [2023-11-19 03:19:00,131 INFO L140 WitnessPrinter]: No result that supports witness generation found [2023-11-19 03:19:00,133 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2023-11-19 03:19:00,134 INFO L158 Benchmark]: Toolchain (without parser) took 1144.03ms. Allocated memory is still 163.6MB. Free memory was 132.1MB in the beginning and 88.6MB in the end (delta: 43.5MB). Peak memory consumption was 44.0MB. Max. memory is 16.1GB. [2023-11-19 03:19:00,134 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 130.0MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:19:00,135 INFO L158 Benchmark]: CACSL2BoogieTranslator took 296.09ms. Allocated memory is still 163.6MB. Free memory was 131.7MB in the beginning and 120.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2023-11-19 03:19:00,136 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.98ms. Allocated memory is still 163.6MB. Free memory was 120.1MB in the beginning and 118.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:19:00,137 INFO L158 Benchmark]: Boogie Preprocessor took 28.40ms. Allocated memory is still 163.6MB. Free memory was 118.0MB in the beginning and 116.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-19 03:19:00,137 INFO L158 Benchmark]: RCFGBuilder took 423.59ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 100.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2023-11-19 03:19:00,138 INFO L158 Benchmark]: CodeCheck took 336.45ms. Allocated memory is still 163.6MB. Free memory was 100.9MB in the beginning and 89.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2023-11-19 03:19:00,139 INFO L158 Benchmark]: Witness Printer took 4.68ms. Allocated memory is still 163.6MB. Free memory was 89.0MB in the beginning and 88.6MB in the end (delta: 372.1kB). There was no memory consumed. Max. memory is 16.1GB. [2023-11-19 03:19:00,142 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: 0.3s, 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 > -1.4f && IN < 1.4f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -1.4f && IN < 1.4f) [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 0.28ms. Allocated memory is still 130.0MB. Free memory is still 88.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 296.09ms. Allocated memory is still 163.6MB. Free memory was 131.7MB in the beginning and 120.1MB in the end (delta: 11.6MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.98ms. Allocated memory is still 163.6MB. Free memory was 120.1MB in the beginning and 118.4MB in the end (delta: 1.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 28.40ms. Allocated memory is still 163.6MB. Free memory was 118.0MB in the beginning and 116.7MB in the end (delta: 1.3MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 423.59ms. Allocated memory is still 163.6MB. Free memory was 116.7MB in the beginning and 100.9MB in the end (delta: 15.8MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * CodeCheck took 336.45ms. Allocated memory is still 163.6MB. Free memory was 100.9MB in the beginning and 89.0MB in the end (delta: 11.9MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Witness Printer took 4.68ms. Allocated memory is still 163.6MB. Free memory was 89.0MB in the beginning and 88.6MB in the end (delta: 372.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2023-11-19 03:19:00,183 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/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_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/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_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_2+newton_1_7.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/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_bcb92c08-27d0-4621-9799-48b6dcd6837d/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 b8d2b9f69b0c816e269dea56d57200f8896cad5b0d3fcdf300db44a3be91845d --- Real Ultimate output --- This is Ultimate 0.2.3-dev-9bd2c7f [2023-11-19 03:19:02,923 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-19 03:19:03,051 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2023-11-19 03:19:03,096 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-19 03:19:03,097 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-19 03:19:03,098 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-19 03:19:03,099 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-19 03:19:03,100 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-19 03:19:03,101 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-19 03:19:03,106 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-19 03:19:03,106 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-19 03:19:03,107 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-19 03:19:03,107 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-19 03:19:03,109 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-19 03:19:03,110 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-19 03:19:03,110 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-19 03:19:03,110 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-19 03:19:03,111 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-19 03:19:03,111 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-19 03:19:03,112 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-19 03:19:03,113 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-19 03:19:03,113 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-19 03:19:03,114 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-19 03:19:03,114 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-19 03:19:03,115 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-19 03:19:03,115 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:19:03,115 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2023-11-19 03:19:03,116 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-19 03:19:03,116 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:03,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-19 03:19:03,118 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-19 03:19:03,118 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-19 03:19:03,119 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2023-11-19 03:19:03,119 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-19 03:19:03,119 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-19 03:19:03,120 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2023-11-19 03:19:03,120 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-19 03:19:03,120 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_bcb92c08-27d0-4621-9799-48b6dcd6837d/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b8d2b9f69b0c816e269dea56d57200f8896cad5b0d3fcdf300db44a3be91845d [2023-11-19 03:19:03,565 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-19 03:19:03,587 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-19 03:19:03,590 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-19 03:19:03,594 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-19 03:19:03,595 INFO L274 PluginConnector]: CDTParser initialized [2023-11-19 03:19:03,596 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/../../sv-benchmarks/c/combinations/gcd_2+newton_1_7.i [2023-11-19 03:19:06,916 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-19 03:19:07,160 INFO L384 CDTParser]: Found 1 translation units. [2023-11-19 03:19:07,161 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/sv-benchmarks/c/combinations/gcd_2+newton_1_7.i [2023-11-19 03:19:07,169 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/data/b5a9b016f/40c474d791cb4c1690dd65dad12b5a46/FLAG43524afdc [2023-11-19 03:19:07,182 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/data/b5a9b016f/40c474d791cb4c1690dd65dad12b5a46 [2023-11-19 03:19:07,185 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-19 03:19:07,186 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-19 03:19:07,187 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:07,187 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-19 03:19:07,192 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-19 03:19:07,193 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,194 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1cdac032 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07, skipping insertion in model container [2023-11-19 03:19:07,194 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,222 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-19 03:19:07,378 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_bcb92c08-27d0-4621-9799-48b6dcd6837d/sv-benchmarks/c/combinations/gcd_2+newton_1_7.i[1226,1239] [2023-11-19 03:19:07,405 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_bcb92c08-27d0-4621-9799-48b6dcd6837d/sv-benchmarks/c/combinations/gcd_2+newton_1_7.i[2820,2833] [2023-11-19 03:19:07,406 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:07,431 INFO L202 MainTranslator]: Completed pre-run [2023-11-19 03:19:07,443 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_bcb92c08-27d0-4621-9799-48b6dcd6837d/sv-benchmarks/c/combinations/gcd_2+newton_1_7.i[1226,1239] [2023-11-19 03:19:07,462 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_bcb92c08-27d0-4621-9799-48b6dcd6837d/sv-benchmarks/c/combinations/gcd_2+newton_1_7.i[2820,2833] [2023-11-19 03:19:07,464 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-19 03:19:07,480 INFO L206 MainTranslator]: Completed translation [2023-11-19 03:19:07,481 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07 WrapperNode [2023-11-19 03:19:07,481 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-19 03:19:07,482 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:07,482 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-19 03:19:07,482 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-19 03:19:07,489 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,500 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,525 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 84 [2023-11-19 03:19:07,525 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-19 03:19:07,526 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-19 03:19:07,526 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-19 03:19:07,526 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-19 03:19:07,542 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,542 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,548 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,548 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,561 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,565 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,568 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,570 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,574 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-19 03:19:07,575 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-19 03:19:07,576 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-19 03:19:07,576 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-19 03:19:07,605 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 03:19:07" (1/1) ... [2023-11-19 03:19:07,610 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-19 03:19:07,646 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/z3 [2023-11-19 03:19:07,658 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-19 03:19:07,660 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-19 03:19:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-19 03:19:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2023-11-19 03:19:07,690 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-19 03:19:07,691 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-19 03:19:07,767 INFO L236 CfgBuilder]: Building ICFG [2023-11-19 03:19:07,769 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-19 03:19:28,723 INFO L277 CfgBuilder]: Performing block encoding [2023-11-19 03:19:28,798 INFO L297 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-19 03:19:28,798 INFO L302 CfgBuilder]: Removed 1 assume(true) statements. [2023-11-19 03:19:28,805 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:28 BoogieIcfgContainer [2023-11-19 03:19:28,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-19 03:19:28,806 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-11-19 03:19:28,806 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-11-19 03:19:28,814 INFO L274 PluginConnector]: CodeCheck initialized [2023-11-19 03:19:28,814 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 03:19:28" (1/1) ... [2023-11-19 03:19:28,821 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-19 03:19:28,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-11-19 03:19:28,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2023-11-19 03:19:28,876 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2023-11-19 03:19:28,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2023-11-19 03:19:28,880 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-11-19 03:19:28,880 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2023-11-19 03:19:28,880 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/cvc4 [2023-11-19 03:19:28,882 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2023-11-19 03:19:28,905 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bcb92c08-27d0-4621-9799-48b6dcd6837d/bin/ukojak-verify-G8NBE6pJGL/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process