./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/combinations/gcd_1+newton_2_1.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_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/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_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/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_6a23c1cd-f31b-4d93-b58a-b983c442073b/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 dc4c84af925d120ea9b9db9aa78160f13c1157e642c02b4448c62c56bbe753dd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:03:20,676 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:03:20,729 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 05:03:20,733 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 05:03:20,734 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 05:03:20,752 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:03:20,753 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:03:20,753 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:03:20,754 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:03:20,754 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:03:20,754 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:03:20,754 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:03:20,754 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:03:20,754 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 05:03:20,754 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:03:20,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:03:20,754 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:03:20,754 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:03:20,754 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:03:20,755 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:03:20,755 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:03:20,755 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:03:20,755 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:03:20,755 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:03:20,755 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:03:20,755 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:03:20,755 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:03:20,755 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:03:20,755 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:03:20,755 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:03:20,756 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:03:20,756 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 05:03:20,756 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 05:03:20,756 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_6a23c1cd-f31b-4d93-b58a-b983c442073b/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 -> dc4c84af925d120ea9b9db9aa78160f13c1157e642c02b4448c62c56bbe753dd [2024-12-06 05:03:20,986 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:03:20,994 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:03:20,996 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:03:20,997 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:03:20,997 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:03:20,998 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_2_1.i [2024-12-06 05:03:23,656 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/data/01bc69c1f/647405a8353c4d61b02ab0dc664f8454/FLAG98f2f4b35 [2024-12-06 05:03:23,822 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:03:23,823 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i [2024-12-06 05:03:23,830 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/data/01bc69c1f/647405a8353c4d61b02ab0dc664f8454/FLAG98f2f4b35 [2024-12-06 05:03:24,203 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/data/01bc69c1f/647405a8353c4d61b02ab0dc664f8454 [2024-12-06 05:03:24,204 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:03:24,206 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:03:24,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:03:24,207 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:03:24,209 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:03:24,210 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,210 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2423275e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24, skipping insertion in model container [2024-12-06 05:03:24,211 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,221 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:03:24,339 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_6a23c1cd-f31b-4d93-b58a-b983c442073b/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[1226,1239] [2024-12-06 05:03:24,363 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_6a23c1cd-f31b-4d93-b58a-b983c442073b/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[2807,2820] [2024-12-06 05:03:24,365 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:03:24,373 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:03:24,383 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_6a23c1cd-f31b-4d93-b58a-b983c442073b/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[1226,1239] [2024-12-06 05:03:24,392 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_6a23c1cd-f31b-4d93-b58a-b983c442073b/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[2807,2820] [2024-12-06 05:03:24,393 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:03:24,406 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:03:24,407 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24 WrapperNode [2024-12-06 05:03:24,407 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:03:24,408 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:03:24,408 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:03:24,408 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:03:24,414 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,420 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,436 INFO L138 Inliner]: procedures = 27, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 85 [2024-12-06 05:03:24,437 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:03:24,437 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:03:24,437 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:03:24,437 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:03:24,444 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,444 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,446 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,446 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,451 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,452 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,455 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,456 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,457 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,458 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:03:24,459 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:03:24,459 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:03:24,459 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:03:24,460 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:03:24,476 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:03:24,487 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:03:24,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:03:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:03:24,512 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 05:03:24,512 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 05:03:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:03:24,513 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:03:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 05:03:24,513 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:03:24,513 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:03:24,570 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:03:24,571 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:03:24,723 INFO L? ?]: Removed 28 outVars from TransFormulas that were not future-live. [2024-12-06 05:03:24,723 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:03:24,775 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:03:24,775 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:03:24,775 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:03:24 BoogieIcfgContainer [2024-12-06 05:03:24,775 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:03:24,776 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:03:24,776 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:03:24,783 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:03:24,783 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:03:24" (1/1) ... [2024-12-06 05:03:24,789 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:03:24,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 05:03:24,825 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 05:03:24,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:03:24,828 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:24,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:24,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:25,028 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 05:03:25,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:25,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-12-06 05:03:25,086 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-06 05:03:25,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:03:25,087 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:25,087 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:25,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:25,292 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 05:03:25,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:25,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 05:03:25,496 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 05:03:25,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:03:25,497 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:25,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:25,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:03:32,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:32,254 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 05:03:32,257 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:03:38,090 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 05:03:45,979 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 05:03:46,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:03:46,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 30 states and 47 transitions. [2024-12-06 05:03:46,035 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 47 transitions. [2024-12-06 05:03:46,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:03:46,035 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:03:46,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:03:46,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 05:03:55,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:03:55,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 68 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 05:03:55,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:00,527 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 05:04:01,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:01,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-12-06 05:04:01,399 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-12-06 05:04:01,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:04:01,399 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:01,399 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 05:04:01,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:01,406 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:04:01,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:01,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:01,435 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 05:04:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 05:04:01,449 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 5 iterations. [2024-12-06 05:04:01,470 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 05:04:01 ImpRootNode [2024-12-06 05:04:01,471 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 05:04:01,471 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 05:04:01,471 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 05:04:01,471 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 05:04:01,472 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:03:24" (3/4) ... [2024-12-06 05:04:01,474 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 05:04:01,475 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 05:04:01,476 INFO L158 Benchmark]: Toolchain (without parser) took 37269.96ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 92.8MB in the beginning and 46.4MB in the end (delta: 46.4MB). Peak memory consumption was 72.5MB. Max. memory is 16.1GB. [2024-12-06 05:04:01,476 INFO L158 Benchmark]: CDTParser took 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:01,476 INFO L158 Benchmark]: CACSL2BoogieTranslator took 200.72ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:01,477 INFO L158 Benchmark]: Boogie Procedure Inliner took 29.11ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 05:04:01,477 INFO L158 Benchmark]: Boogie Preprocessor took 21.25ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.1MB in the end (delta: 991.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:01,477 INFO L158 Benchmark]: RCFGBuilder took 316.36ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 60.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-06 05:04:01,478 INFO L158 Benchmark]: CodeCheck took 36694.76ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.7MB in the beginning and 46.5MB in the end (delta: 14.3MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. [2024-12-06 05:04:01,478 INFO L158 Benchmark]: Witness Printer took 3.80ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 27.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 05:04:01,480 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: 36.7s, 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, 15.8s SatisfiabilityAnalysisTime, 11.5s 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 85, overapproximation of someBinaryArithmeticFLOAToperation at line 93, overapproximation of someBinaryArithmeticFLOAToperation at line 80, overapproximation of someBinaryArithmeticFLOAToperation at line 95. Possible FailurePath: [L108] COND FALSE !(__VERIFIER_nondet_int()) [L111] CALL main2() [L90] float IN = __VERIFIER_nondet_float(); [L91] CALL assume_abort_if_not(IN > -0.2f && IN < 0.2f) [L75] COND FALSE !(!cond) [L91] RET assume_abort_if_not(IN > -0.2f && IN < 0.2f) [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 0.26ms. Allocated memory is still 117.4MB. Free memory is still 72.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 200.72ms. Allocated memory is still 117.4MB. Free memory was 92.6MB in the beginning and 80.6MB in the end (delta: 12.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 29.11ms. Allocated memory is still 117.4MB. Free memory was 80.6MB in the beginning and 79.1MB in the end (delta: 1.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.25ms. Allocated memory is still 117.4MB. Free memory was 79.1MB in the beginning and 78.1MB in the end (delta: 991.4kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 316.36ms. Allocated memory is still 117.4MB. Free memory was 78.1MB in the beginning and 60.9MB in the end (delta: 17.2MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * CodeCheck took 36694.76ms. Allocated memory was 117.4MB in the beginning and 142.6MB in the end (delta: 25.2MB). Free memory was 60.7MB in the beginning and 46.5MB in the end (delta: 14.3MB). Peak memory consumption was 39.0MB. Max. memory is 16.1GB. * Witness Printer took 3.80ms. Allocated memory is still 142.6MB. Free memory was 46.5MB in the beginning and 46.4MB in the end (delta: 27.1kB). 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 05:04:01,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/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_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/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_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/combinations/gcd_1+newton_2_1.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/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_6a23c1cd-f31b-4d93-b58a-b983c442073b/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 dc4c84af925d120ea9b9db9aa78160f13c1157e642c02b4448c62c56bbe753dd --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 05:04:03,319 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 05:04:03,402 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 05:04:03,426 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 05:04:03,427 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 05:04:03,427 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 05:04:03,428 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 05:04:03,428 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 05:04:03,428 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 05:04:03,428 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 05:04:03,428 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 05:04:03,428 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 05:04:03,428 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 05:04:03,428 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 05:04:03,428 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 05:04:03,429 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 05:04:03,429 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 05:04:03,429 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 05:04:03,429 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 05:04:03,429 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 05:04:03,429 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 05:04:03,429 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 05:04:03,429 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 05:04:03,429 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 05:04:03,429 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 05:04:03,430 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 05:04:03,430 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:03,430 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 05:04:03,430 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 05:04:03,430 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:03,430 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 05:04:03,430 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 05:04:03,430 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 05:04:03,430 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 05:04:03,430 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:03,431 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 05:04:03,431 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_6a23c1cd-f31b-4d93-b58a-b983c442073b/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 -> dc4c84af925d120ea9b9db9aa78160f13c1157e642c02b4448c62c56bbe753dd [2024-12-06 05:04:03,652 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 05:04:03,659 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 05:04:03,660 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 05:04:03,661 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 05:04:03,661 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 05:04:03,663 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/combinations/gcd_1+newton_2_1.i [2024-12-06 05:04:06,269 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/data/6a3028548/9230317a30bd4c249e0dc6e565141531/FLAG06072baea [2024-12-06 05:04:06,482 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 05:04:06,482 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i [2024-12-06 05:04:06,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/data/6a3028548/9230317a30bd4c249e0dc6e565141531/FLAG06072baea [2024-12-06 05:04:06,848 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/data/6a3028548/9230317a30bd4c249e0dc6e565141531 [2024-12-06 05:04:06,850 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 05:04:06,851 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 05:04:06,852 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:06,852 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 05:04:06,855 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 05:04:06,855 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:06" (1/1) ... [2024-12-06 05:04:06,856 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ddaab18 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:06, skipping insertion in model container [2024-12-06 05:04:06,856 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 05:04:06" (1/1) ... [2024-12-06 05:04:06,866 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 05:04:06,982 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_6a23c1cd-f31b-4d93-b58a-b983c442073b/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[1226,1239] [2024-12-06 05:04:07,003 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_6a23c1cd-f31b-4d93-b58a-b983c442073b/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[2807,2820] [2024-12-06 05:04:07,004 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:07,012 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 05:04:07,020 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_6a23c1cd-f31b-4d93-b58a-b983c442073b/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[1226,1239] [2024-12-06 05:04:07,027 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_6a23c1cd-f31b-4d93-b58a-b983c442073b/sv-benchmarks/c/combinations/gcd_1+newton_2_1.i[2807,2820] [2024-12-06 05:04:07,028 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 05:04:07,039 INFO L204 MainTranslator]: Completed translation [2024-12-06 05:04:07,039 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07 WrapperNode [2024-12-06 05:04:07,040 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 05:04:07,040 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:07,040 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 05:04:07,040 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 05:04:07,045 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,054 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,066 INFO L138 Inliner]: procedures = 28, calls = 24, calls flagged for inlining = 7, calls inlined = 7, statements flattened = 80 [2024-12-06 05:04:07,067 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 05:04:07,067 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 05:04:07,067 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 05:04:07,067 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 05:04:07,072 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,072 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,074 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,074 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,079 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,079 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,082 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,083 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,083 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,086 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 05:04:07,087 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 05:04:07,087 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 05:04:07,087 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 05:04:07,088 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 05:04:07" (1/1) ... [2024-12-06 05:04:07,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 05:04:07,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 05:04:07,114 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 05:04:07,116 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 05:04:07,139 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 05:04:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 05:04:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure fp [2024-12-06 05:04:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure fp [2024-12-06 05:04:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure f [2024-12-06 05:04:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2024-12-06 05:04:07,140 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 05:04:07,140 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 05:04:07,206 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 05:04:07,207 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 05:04:29,988 INFO L? ?]: Removed 27 outVars from TransFormulas that were not future-live. [2024-12-06 05:04:29,988 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 05:04:30,050 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 05:04:30,051 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-12-06 05:04:30,051 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:30 BoogieIcfgContainer [2024-12-06 05:04:30,051 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 05:04:30,052 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 05:04:30,052 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 05:04:30,061 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 05:04:30,061 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 05:04:30" (1/1) ... [2024-12-06 05:04:30,068 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 05:04:30,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:30,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 25 states and 31 transitions. [2024-12-06 05:04:30,114 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 31 transitions. [2024-12-06 05:04:30,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-12-06 05:04:30,118 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:30,119 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:30,119 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:30,121 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:30,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 05:04:30,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:30,247 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:30,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:30,290 INFO L256 TraceCheckSpWp]: Trace formula consists of 30 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-12-06 05:04:30,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:30,418 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 05:04:30,421 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 05:04:30,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:30,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 26 states and 33 transitions. [2024-12-06 05:04:30,643 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 33 transitions. [2024-12-06 05:04:30,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-12-06 05:04:30,643 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:30,643 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:30,644 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:30,645 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:30,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 05:04:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:30,884 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:30,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 33 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-12-06 05:04:30,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:31,307 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 05:04:31,311 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 05:04:32,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:32,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 29 states and 43 transitions. [2024-12-06 05:04:32,849 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 43 transitions. [2024-12-06 05:04:32,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:04:32,850 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:32,850 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:32,850 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:32,852 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:32,853 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 05:04:33,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:33,478 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:35,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:35,101 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:04:35,102 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:04:43,853 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 05:04:43,858 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 05:04:52,670 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.78s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:04:55,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:04:55,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 30 states and 46 transitions. [2024-12-06 05:04:55,870 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 46 transitions. [2024-12-06 05:04:55,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-12-06 05:04:55,870 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:04:55,871 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:04:55,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:04:55,873 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:04:55,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 05:04:56,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:56,507 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 05:04:58,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 05:04:58,478 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-12-06 05:04:58,479 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 05:05:09,405 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 05:05:09,410 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 05:05:15,289 WARN L286 SmtUtils]: Spent 5.33s on a formula simplification. DAG size of input: 27 DAG size of output: 26 (called from [L 388] de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUnifier.getOrConstructPredicate) [2024-12-06 05:05:26,677 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 8.68s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:05:31,533 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.79s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:05:33,295 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.76s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:05:34,661 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:05:36,377 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:05:37,543 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.04s for a HTC check with result VALID. Formula has sorts [Bool, BitVec], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-12-06 05:05:37,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 05:05:37,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 24 states and 28 transitions. [2024-12-06 05:05:37,694 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-12-06 05:05:37,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-12-06 05:05:37,694 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 05:05:37,694 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 05:05:37,694 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 05:05:37,696 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 05:05:37,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6a23c1cd-f31b-4d93-b58a-b983c442073b/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process