./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_2_2.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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0125703895252bbc87284f9ee87e686d5271b5cf813038cb613c1b0c2ad30cb5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:06:01,372 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:06:01,428 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 06:06:01,433 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 06:06:01,433 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 06:06:01,452 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:06:01,452 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:06:01,452 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:06:01,453 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:06:01,453 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:06:01,453 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:06:01,453 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:06:01,453 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:06:01,453 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 06:06:01,453 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:06:01,454 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:06:01,454 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:06:01,454 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:01,455 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:06:01,455 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:06:01,455 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:06:01,455 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 06:06:01,455 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 06:06:01,455 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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0125703895252bbc87284f9ee87e686d5271b5cf813038cb613c1b0c2ad30cb5 [2024-12-06 06:06:01,691 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:06:01,700 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:06:01,702 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:06:01,703 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:06:01,703 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:06:01,705 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_2_2.i [2024-12-06 06:06:04,316 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/data/82f97145b/58df0ec9921344c89178a7b0f11c5b17/FLAGfb0067b1f [2024-12-06 06:06:04,523 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:06:04,524 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i [2024-12-06 06:06:04,533 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/data/82f97145b/58df0ec9921344c89178a7b0f11c5b17/FLAGfb0067b1f [2024-12-06 06:06:04,876 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/data/82f97145b/58df0ec9921344c89178a7b0f11c5b17 [2024-12-06 06:06:04,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:06:04,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:06:04,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:04,880 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:06:04,883 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:06:04,884 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:04" (1/1) ... [2024-12-06 06:06:04,884 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e6a913b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:04, skipping insertion in model container [2024-12-06 06:06:04,884 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:04" (1/1) ... [2024-12-06 06:06:04,895 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:06:04,998 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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[1226,1239] [2024-12-06 06:06:05,024 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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[2807,2820] [2024-12-06 06:06:05,026 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:05,035 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:06:05,044 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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[1226,1239] [2024-12-06 06:06:05,053 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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[2807,2820] [2024-12-06 06:06:05,054 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:05,066 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:06:05,066 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05 WrapperNode [2024-12-06 06:06:05,067 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:05,068 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:05,068 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:06:05,068 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:06:05,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,077 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,096 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 06:06:05,096 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:05,097 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:06:05,097 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:06:05,097 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:06:05,102 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,102 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,104 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,104 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,107 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,108 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,111 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,112 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,113 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,115 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:06:05,115 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:06:05,115 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:06:05,115 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:06:05,116 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:05,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:06:05,141 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:06:05,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 06:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 06:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 06:06:05,163 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 06:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 06:06:05,163 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:06:05,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:06:05,217 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:06:05,218 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:06:05,369 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 06:06:05,369 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:06:05,428 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:06:05,428 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:06:05,429 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:05 BoogieIcfgContainer [2024-12-06 06:06:05,429 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:06:05,429 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:06:05,429 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:06:05,436 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:06:05,437 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:05" (1/1) ... [2024-12-06 06:06:05,442 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:06:05,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:05,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 06:06:05,483 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 06:06:05,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:06:05,486 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:05,486 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:05,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:05,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:05,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-12-06 06:06:05,748 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-06 06:06:05,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:06:05,748 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:05,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:05,959 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:06,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:06,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 06:06:06,157 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 06:06:06,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:06:06,158 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:06,158 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:06,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:06:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:12,853 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 06:06:12,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:18,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:26,537 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 6.41s for a HTC check with result VALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2024-12-06 06:06:26,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:26,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2024-12-06 06:06:26,590 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-12-06 06:06:26,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:06:26,591 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:26,591 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:26,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 06:06:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:06:35,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 06:06:35,529 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:06:40,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:06:41,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:06:41,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-12-06 06:06:41,374 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-12-06 06:06:41,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 06:06:41,374 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:06:41,374 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 06:06:41,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:06:41,381 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:06:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:06:41,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:06:41,410 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 06:06:41,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 06:06:41,422 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 06:06:41,442 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 06:06:41 ImpRootNode [2024-12-06 06:06:41,442 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 06:06:41,442 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 06:06:41,442 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 06:06:41,442 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 06:06:41,443 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:06:05" (3/4) ... [2024-12-06 06:06:41,444 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 06:06:41,445 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 06:06:41,446 INFO L158 Benchmark]: Toolchain (without parser) took 36566.36ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 118.4MB in the beginning and 288.6MB in the end (delta: -170.2MB). Peak memory consumption was 97.0MB. Max. memory is 16.1GB. [2024-12-06 06:06:41,446 INFO L158 Benchmark]: CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:41,446 INFO L158 Benchmark]: CACSL2BoogieTranslator took 186.89ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 106.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:06:41,447 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.69ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:41,447 INFO L158 Benchmark]: Boogie Preprocessor took 18.20ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 06:06:41,447 INFO L158 Benchmark]: RCFGBuilder took 313.64ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 86.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 06:06:41,448 INFO L158 Benchmark]: CodeCheck took 36012.58ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 86.1MB in the beginning and 288.7MB in the end (delta: -202.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. [2024-12-06 06:06:41,448 INFO L158 Benchmark]: Witness Printer took 2.64ms. Allocated memory is still 411.0MB. Free memory was 288.7MB in the beginning and 288.6MB in the end (delta: 55.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 06:06:41,450 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 3 procedures, 25 locations, 2 error locations. Started 1 CEGAR loops. OverallTime: 36.0s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 56 SdHoareTripleChecker+Valid, 14.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 0 mSDsluCounter, 20 SdHoareTripleChecker+Invalid, 14.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 0 mSDsCounter, 47 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 153 IncrementalHoareTripleChecker+Invalid, 200 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 47 mSolverCounterUnsat, 20 mSDtfsCounter, 153 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 274 GetRequests, 240 SyntacticMatches, 4 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 15.5s SatisfiabilityAnalysisTime, 11.1s InterpolantComputationTime, 47 NumberOfCodeBlocks, 47 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 25 ConstructedInterpolants, 2 QuantifiedInterpolants, 208 SizeOfPredicates, 0 NumberOfNonLiveVariables, 136 ConjunctsInSsa, 46 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 4/7 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 93, overapproximation of someBinaryArithmeticFLOAToperation at line 80, overapproximation of someBinaryArithmeticFLOAToperation at line 95, overapproximation of someBinaryArithmeticFLOAToperation at line 85. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.4f && IN < 0.4f) [L93] CALL, EXPR f(IN) VAL [\old(x)=2] [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) VAL [IN=2] [L93] CALL, EXPR fp(IN) VAL [\old(x)=2] [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) VAL [IN=2] [L93] float x = IN - f(IN)/fp(IN); [L95] CALL, EXPR f(x) VAL [\old(x)=3] [L80] return x - (x*x*x)/6.0f + (x*x*x*x*x)/120.0f + (x*x*x*x*x*x*x)/5040.0f; [L95] RET, EXPR f(x) VAL [IN=2, x=3] [L95] CALL, EXPR fp(x) VAL [\old(x)=3] [L85] return 1 - (x*x)/2.0f + (x*x*x*x)/24.0f + (x*x*x*x*x*x)/720.0f; [L95] RET, EXPR fp(x) VAL [IN=2, x=3] [L95] x = x - f(x)/fp(x) [L101] COND TRUE !(x < 0.1) VAL [IN=2] [L102] reach_error() VAL [IN=2] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.32ms. Allocated memory is still 142.6MB. Free memory is still 83.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 186.89ms. Allocated memory is still 142.6MB. Free memory was 118.4MB in the beginning and 106.5MB in the end (delta: 11.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.69ms. Allocated memory is still 142.6MB. Free memory was 106.2MB in the beginning and 104.8MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 18.20ms. Allocated memory is still 142.6MB. Free memory was 104.8MB in the beginning and 103.8MB in the end (delta: 1.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 313.64ms. Allocated memory is still 142.6MB. Free memory was 103.8MB in the beginning and 86.1MB in the end (delta: 17.7MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 36012.58ms. Allocated memory was 142.6MB in the beginning and 411.0MB in the end (delta: 268.4MB). Free memory was 86.1MB in the beginning and 288.7MB in the end (delta: -202.6MB). Peak memory consumption was 63.4MB. Max. memory is 16.1GB. * Witness Printer took 2.64ms. Allocated memory is still 411.0MB. Free memory was 288.7MB in the beginning and 288.6MB in the end (delta: 55.1kB). There was no memory consumed. Max. memory is 16.1GB. RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-12-06 06:06:41,478 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 0125703895252bbc87284f9ee87e686d5271b5cf813038cb613c1b0c2ad30cb5 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 06:06:43,388 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 06:06:43,467 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 06:06:43,496 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 06:06:43,497 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 06:06:43,497 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 06:06:43,497 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 06:06:43,498 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 06:06:43,498 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 06:06:43,498 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 06:06:43,498 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 06:06:43,498 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 06:06:43,498 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 06:06:43,498 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 06:06:43,498 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 06:06:43,498 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 06:06:43,499 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 06:06:43,499 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 06:06:43,499 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 06:06:43,499 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 06:06:43,499 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 06:06:43,499 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 06:06:43,499 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 06:06:43,499 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 06:06:43,499 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 06:06:43,499 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 06:06:43,500 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:43,500 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 06:06:43,500 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 06:06:43,500 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:43,500 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 06:06:43,500 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 06:06:43,500 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 06:06:43,500 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 06:06:43,500 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 06:06:43,500 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 06:06:43,500 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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0125703895252bbc87284f9ee87e686d5271b5cf813038cb613c1b0c2ad30cb5 [2024-12-06 06:06:43,757 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 06:06:43,765 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 06:06:43,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 06:06:43,769 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 06:06:43,769 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 06:06:43,770 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_2_2.i [2024-12-06 06:06:46,459 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/data/e0a506791/235c360293e84f63a70a338dde171ec9/FLAG52830e3c5 [2024-12-06 06:06:46,621 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 06:06:46,622 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i [2024-12-06 06:06:46,629 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/data/e0a506791/235c360293e84f63a70a338dde171ec9/FLAG52830e3c5 [2024-12-06 06:06:46,643 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/data/e0a506791/235c360293e84f63a70a338dde171ec9 [2024-12-06 06:06:46,646 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 06:06:46,647 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 06:06:46,648 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:46,648 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 06:06:46,653 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 06:06:46,653 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,654 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465f077d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46, skipping insertion in model container [2024-12-06 06:06:46,654 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,669 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 06:06:46,807 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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[1226,1239] [2024-12-06 06:06:46,832 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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[2807,2820] [2024-12-06 06:06:46,834 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:46,845 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 06:06:46,856 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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[1226,1239] [2024-12-06 06:06:46,866 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_b2ed3a43-6c60-4d02-924f-b0f19644ebad/sv-benchmarks/c/combinations/gcd_1+newton_2_2.i[2807,2820] [2024-12-06 06:06:46,867 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 06:06:46,882 INFO L204 MainTranslator]: Completed translation [2024-12-06 06:06:46,883 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46 WrapperNode [2024-12-06 06:06:46,883 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 06:06:46,884 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:46,884 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 06:06:46,884 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 06:06:46,890 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,899 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,915 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-12-06 06:06:46,915 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 06:06:46,916 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 06:06:46,916 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 06:06:46,916 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 06:06:46,922 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,923 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,925 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,926 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,932 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,933 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,936 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,937 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,938 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,941 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 06:06:46,942 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 06:06:46,942 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 06:06:46,942 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 06:06:46,943 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 06:06:46" (1/1) ... [2024-12-06 06:06:46,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 06:06:46,960 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 06:06:46,971 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 06:06:46,979 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 06:06:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 06:06:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 06:06:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 06:06:46,997 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 06:06:46,997 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 06:06:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 06:06:46,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 06:06:46,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 06:06:47,052 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 06:06:47,053 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 06:07:10,513 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 06:07:10,513 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 06:07:10,567 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 06:07:10,568 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 06:07:10,568 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:10 BoogieIcfgContainer [2024-12-06 06:07:10,568 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 06:07:10,569 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 06:07:10,569 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 06:07:10,578 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 06:07:10,578 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 06:07:10" (1/1) ... [2024-12-06 06:07:10,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 06:07:10,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:10,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 06:07:10,622 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 06:07:10,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 06:07:10,625 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:10,626 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:07:10,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:07:10,628 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:07:10,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 06:07:10,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:10,759 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:07:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:10,794 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 06:07:10,797 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:07:10,926 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:10,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 06:07:11,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:11,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-12-06 06:07:11,122 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-06 06:07:11,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 06:07:11,123 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:11,123 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:07:11,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:07:11,125 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:07:11,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 06:07:11,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:11,379 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:07:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:11,412 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 06:07:11,413 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:07:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:11,748 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 06:07:13,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:13,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 06:07:13,230 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 06:07:13,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:07:13,231 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:13,231 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:07:13,231 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:07:13,233 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:07:13,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 06:07:13,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:13,894 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:07:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:15,474 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 06:07:15,475 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:07:24,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:24,631 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 06:07:34,223 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 06:07:37,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:07:37,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 06:07:37,428 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 06:07:37,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 06:07:37,428 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:07:37,428 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:07:37,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:07:37,430 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:07:37,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 06:07:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:38,092 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 06:07:39,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 06:07:39,937 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 06:07:39,938 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 06:07:50,223 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 06:07:50,228 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 06:08:03,626 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.93s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 06:08:07,148 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.46s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 06:08:09,445 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 06:08:11,034 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.48s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 06:08:12,319 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.17s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 06:08:13,895 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.46s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 06:08:14,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 06:08:14,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-12-06 06:08:14,034 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-12-06 06:08:14,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 06:08:14,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 06:08:14,035 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 06:08:14,035 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 06:08:14,037 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 06:08:14,038 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_b2ed3a43-6c60-4d02-924f-b0f19644ebad/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process