./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_1_8.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3 --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 5ae61279460707eb31ef5192dbacafd71ee43f81800041bfc80550692238d3f1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:44:51,717 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:44:51,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 02:44:51,782 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 02:44:51,783 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 02:44:51,805 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:44:51,805 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:44:51,806 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:44:51,806 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:44:51,806 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:44:51,806 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:44:51,806 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:44:51,806 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:44:51,807 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 02:44:51,807 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:44:51,807 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:44:51,807 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:44:51,807 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:44:51,807 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:44:51,807 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:44:51,807 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:44:51,807 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:44:51,808 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:44:51,808 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:44:51,808 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:44:51,808 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:44:51,808 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:44:51,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:44:51,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:44:51,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:44:51,809 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:44:51,809 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 02:44:51,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 02:44:51,809 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3 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 -> 5ae61279460707eb31ef5192dbacafd71ee43f81800041bfc80550692238d3f1 [2024-11-25 02:44:52,090 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:44:52,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:44:52,100 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:44:52,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:44:52,102 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:44:52,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/combinations/gcd_1+newton_1_8.i [2024-11-25 02:44:55,042 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/data/5c20de1a2/4a662e44f8684b30b55ec282ec836644/FLAGe60ba48d1 [2024-11-25 02:44:55,334 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:44:55,335 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/sv-benchmarks/c/combinations/gcd_1+newton_1_8.i [2024-11-25 02:44:55,345 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/data/5c20de1a2/4a662e44f8684b30b55ec282ec836644/FLAGe60ba48d1 [2024-11-25 02:44:55,370 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/data/5c20de1a2/4a662e44f8684b30b55ec282ec836644 [2024-11-25 02:44:55,372 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:44:55,376 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:44:55,378 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:44:55,378 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:44:55,386 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:44:55,387 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,388 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27c9f72f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55, skipping insertion in model container [2024-11-25 02:44:55,388 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,409 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:44:55,595 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/sv-benchmarks/c/combinations/gcd_1+newton_1_8.i[1226,1239] [2024-11-25 02:44:55,641 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/sv-benchmarks/c/combinations/gcd_1+newton_1_8.i[2786,2799] [2024-11-25 02:44:55,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:44:55,665 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:44:55,684 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/sv-benchmarks/c/combinations/gcd_1+newton_1_8.i[1226,1239] [2024-11-25 02:44:55,704 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/sv-benchmarks/c/combinations/gcd_1+newton_1_8.i[2786,2799] [2024-11-25 02:44:55,705 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:44:55,724 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:44:55,724 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55 WrapperNode [2024-11-25 02:44:55,725 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:44:55,726 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:44:55,726 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:44:55,726 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:44:55,738 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,747 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,772 INFO L138 Inliner]: procedures = 27, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 86 [2024-11-25 02:44:55,772 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:44:55,776 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:44:55,776 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:44:55,776 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:44:55,783 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,784 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,785 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,786 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,794 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,799 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,805 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,806 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,807 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,808 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:44:55,813 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:44:55,813 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:44:55,813 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:44:55,814 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:44:55" (1/1) ... [2024-11-25 02:44:55,825 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:44:55,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:44:55,857 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:44:55,864 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:44:55,888 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:44:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 02:44:55,889 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:44:55,889 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:44:55,969 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:44:55,971 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:44:56,159 INFO L? ?]: Removed 29 outVars from TransFormulas that were not future-live. [2024-11-25 02:44:56,159 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:44:56,224 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:44:56,224 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:44:56,225 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:44:56 BoogieIcfgContainer [2024-11-25 02:44:56,225 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:44:56,226 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:44:56,226 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:44:56,236 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:44:56,236 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:44:56" (1/1) ... [2024-11-25 02:44:56,244 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:44:56,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:44:56,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-25 02:44:56,300 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-25 02:44:56,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:44:56,302 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:44:56,304 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 02:44:56,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:44:56,398 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:44:56,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:44:56,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:44:56,470 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-25 02:44:56,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-25 02:44:56,490 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 1 iterations. [2024-11-25 02:44:56,512 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 02:44:56 ImpRootNode [2024-11-25 02:44:56,512 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 02:44:56,513 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 02:44:56,513 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 02:44:56,513 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 02:44:56,514 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:44:56" (3/4) ... [2024-11-25 02:44:56,516 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-25 02:44:56,517 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 02:44:56,518 INFO L158 Benchmark]: Toolchain (without parser) took 1142.03ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 50.8MB in the end (delta: 42.2MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2024-11-25 02:44:56,519 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:44:56,519 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.22ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:44:56,520 INFO L158 Benchmark]: Boogie Procedure Inliner took 46.08ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:44:56,520 INFO L158 Benchmark]: Boogie Preprocessor took 32.51ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:44:56,520 INFO L158 Benchmark]: RCFGBuilder took 411.74ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 62.4MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 02:44:56,521 INFO L158 Benchmark]: CodeCheck took 286.52ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 50.8MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 02:44:56,521 INFO L158 Benchmark]: Witness Printer took 4.71ms. Allocated memory is still 117.4MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 02:44:56,523 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, ConComCheckerStatistics: 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 > -2.0f && IN < 2.0f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -2.0f && IN < 2.0f) [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 0.37ms. Allocated memory is still 117.4MB. Free memory is still 74.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.22ms. Allocated memory is still 117.4MB. Free memory was 92.9MB in the beginning and 81.1MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 46.08ms. Allocated memory is still 117.4MB. Free memory was 81.1MB in the beginning and 79.5MB in the end (delta: 1.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 32.51ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 78.3MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 411.74ms. Allocated memory is still 117.4MB. Free memory was 78.3MB in the beginning and 62.4MB in the end (delta: 15.9MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 286.52ms. Allocated memory is still 117.4MB. Free memory was 62.4MB in the beginning and 50.8MB in the end (delta: 11.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Witness Printer took 4.71ms. Allocated memory is still 117.4MB. Free memory is still 50.8MB. There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-25 02:44:56,547 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_1_8.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3 --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 5ae61279460707eb31ef5192dbacafd71ee43f81800041bfc80550692238d3f1 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 02:44:59,145 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 02:44:59,258 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-11-25 02:44:59,303 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 02:44:59,304 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 02:44:59,305 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 02:44:59,305 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 02:44:59,305 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 02:44:59,306 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 02:44:59,306 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 02:44:59,306 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 02:44:59,306 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 02:44:59,307 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 02:44:59,307 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 02:44:59,308 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 02:44:59,308 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 02:44:59,308 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-25 02:44:59,308 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-25 02:44:59,309 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-25 02:44:59,309 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 02:44:59,309 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 02:44:59,309 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 02:44:59,309 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 02:44:59,309 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 02:44:59,309 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 02:44:59,310 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 02:44:59,310 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:59,310 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-11-25 02:44:59,310 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 02:44:59,310 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:44:59,310 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 02:44:59,310 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 02:44:59,311 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 02:44:59,311 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-11-25 02:44:59,311 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-25 02:44:59,311 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-11-25 02:44:59,311 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3 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 -> 5ae61279460707eb31ef5192dbacafd71ee43f81800041bfc80550692238d3f1 [2024-11-25 02:44:59,629 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 02:44:59,637 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 02:44:59,639 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 02:44:59,641 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 02:44:59,641 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 02:44:59,642 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/combinations/gcd_1+newton_1_8.i [2024-11-25 02:45:02,552 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/data/f86a08ffe/124e85f1978247f4a5237697580f66ba/FLAG331a71be9 [2024-11-25 02:45:02,755 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 02:45:02,755 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/sv-benchmarks/c/combinations/gcd_1+newton_1_8.i [2024-11-25 02:45:02,765 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/data/f86a08ffe/124e85f1978247f4a5237697580f66ba/FLAG331a71be9 [2024-11-25 02:45:02,787 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/data/f86a08ffe/124e85f1978247f4a5237697580f66ba [2024-11-25 02:45:02,789 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 02:45:02,791 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 02:45:02,792 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 02:45:02,793 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 02:45:02,799 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 02:45:02,799 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:45:02" (1/1) ... [2024-11-25 02:45:02,800 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42439866 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:02, skipping insertion in model container [2024-11-25 02:45:02,800 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 02:45:02" (1/1) ... [2024-11-25 02:45:02,820 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 02:45:03,013 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/sv-benchmarks/c/combinations/gcd_1+newton_1_8.i[1226,1239] [2024-11-25 02:45:03,056 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/sv-benchmarks/c/combinations/gcd_1+newton_1_8.i[2786,2799] [2024-11-25 02:45:03,059 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:45:03,078 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 02:45:03,094 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/sv-benchmarks/c/combinations/gcd_1+newton_1_8.i[1226,1239] [2024-11-25 02:45:03,114 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/sv-benchmarks/c/combinations/gcd_1+newton_1_8.i[2786,2799] [2024-11-25 02:45:03,115 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 02:45:03,142 INFO L204 MainTranslator]: Completed translation [2024-11-25 02:45:03,142 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03 WrapperNode [2024-11-25 02:45:03,143 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 02:45:03,143 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 02:45:03,144 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 02:45:03,144 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 02:45:03,150 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,161 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,190 INFO L138 Inliner]: procedures = 28, calls = 22, calls flagged for inlining = 9, calls inlined = 9, statements flattened = 81 [2024-11-25 02:45:03,193 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 02:45:03,194 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 02:45:03,194 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 02:45:03,194 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 02:45:03,202 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,202 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,208 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,222 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,227 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,234 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,239 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,240 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,247 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 02:45:03,248 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 02:45:03,248 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 02:45:03,248 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 02:45:03,249 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 02:45:03" (1/1) ... [2024-11-25 02:45:03,255 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 02:45:03,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 02:45:03,279 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 02:45:03,282 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 02:45:03,308 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 02:45:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-11-25 02:45:03,309 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 02:45:03,309 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 02:45:03,377 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 02:45:03,379 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 02:45:25,709 INFO L? ?]: Removed 31 outVars from TransFormulas that were not future-live. [2024-11-25 02:45:25,709 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 02:45:25,804 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 02:45:25,804 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-25 02:45:25,804 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:45:25 BoogieIcfgContainer [2024-11-25 02:45:25,805 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 02:45:25,805 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 02:45:25,805 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 02:45:25,815 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 02:45:25,816 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 02:45:25" (1/1) ... [2024-11-25 02:45:25,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 02:45:25,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 02:45:25,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 15 states and 19 transitions. [2024-11-25 02:45:25,880 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states and 19 transitions. [2024-11-25 02:45:25,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2024-11-25 02:45:25,883 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 02:45:25,883 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-11-25 02:45:25,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/cvc4 [2024-11-25 02:45:25,887 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-11-25 02:45:25,889 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_46bfc9c4-bc23-4b0e-a55e-620d2324c976/bin/ukojak-verify-ENZ3QT5qd3/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process