./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/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 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:17:42,908 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:17:42,963 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:17:42,967 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:17:42,967 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:17:42,987 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:17:42,988 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:17:42,988 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:17:42,988 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:17:42,988 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:17:42,989 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:17:42,989 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:17:42,989 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:17:42,989 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:17:42,989 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:17:42,989 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:17:42,989 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:17:42,989 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:17:42,989 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:17:42,989 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:17:42,989 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:17:42,990 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:17:42,990 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:17:42,990 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:17:42,990 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:17:42,990 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:17:42,990 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:17:42,990 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:17:42,990 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:17:42,990 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:17:42,991 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:17:42,991 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:17:42,991 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:17:42,991 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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/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 -> 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 [2024-12-06 00:17:43,205 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:17:43,213 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:17:43,214 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:17:43,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:17:43,216 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:17:43,217 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i [2024-12-06 00:17:45,823 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/data/25662306a/4052b0d14a4b40c6ae96b71fb79132fb/FLAG19ae6c5ab [2024-12-06 00:17:46,054 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:17:46,054 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i [2024-12-06 00:17:46,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/data/25662306a/4052b0d14a4b40c6ae96b71fb79132fb/FLAG19ae6c5ab [2024-12-06 00:17:46,413 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/data/25662306a/4052b0d14a4b40c6ae96b71fb79132fb [2024-12-06 00:17:46,415 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:17:46,416 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:17:46,417 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:17:46,418 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:17:46,420 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:17:46,421 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,422 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53197130 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46, skipping insertion in model container [2024-12-06 00:17:46,422 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,434 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:17:46,531 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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2024-12-06 00:17:46,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:17:46,574 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:17:46,582 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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2024-12-06 00:17:46,599 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:17:46,613 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:17:46,613 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46 WrapperNode [2024-12-06 00:17:46,614 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:17:46,614 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:17:46,614 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:17:46,614 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:17:46,619 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,624 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,646 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-12-06 00:17:46,646 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:17:46,647 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:17:46,647 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:17:46,647 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:17:46,654 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,654 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,656 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,656 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,660 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,662 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,664 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,666 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,667 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,668 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:17:46,669 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:17:46,669 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:17:46,669 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:17:46,670 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:46" (1/1) ... [2024-12-06 00:17:46,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:17:46,688 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:17:46,699 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:17:46,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:17:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:17:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:17:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:17:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:17:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:17:46,725 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:17:46,781 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:17:46,783 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:17:46,980 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 00:17:46,980 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:17:47,084 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:17:47,084 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:17:47,084 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:17:47 BoogieIcfgContainer [2024-12-06 00:17:47,085 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:17:47,085 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:17:47,085 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:17:47,095 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:17:47,095 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:17:47" (1/1) ... [2024-12-06 00:17:47,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:17:47,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:47,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 00:17:47,150 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 00:17:47,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 00:17:47,155 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:47,155 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:17:47,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:48,290 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-12-06 00:17:48,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:48,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 36 states and 53 transitions. [2024-12-06 00:17:48,489 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 53 transitions. [2024-12-06 00:17:48,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:17:48,491 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:48,491 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:17:48,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:17:48,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:17:48,666 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:17:48,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:17:48,767 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:17:48,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:17:48 ImpRootNode [2024-12-06 00:17:48,816 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:17:48,816 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:17:48,816 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:17:48,817 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:17:48,817 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:17:47" (3/4) ... [2024-12-06 00:17:48,819 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:17:48,820 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:17:48,821 INFO L158 Benchmark]: Toolchain (without parser) took 2404.61ms. Allocated memory is still 142.6MB. Free memory was 117.4MB in the beginning and 43.7MB in the end (delta: 73.6MB). Peak memory consumption was 72.2MB. Max. memory is 16.1GB. [2024-12-06 00:17:48,821 INFO L158 Benchmark]: CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:17:48,822 INFO L158 Benchmark]: CACSL2BoogieTranslator took 196.43ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.7MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:17:48,822 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.88ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 102.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:17:48,822 INFO L158 Benchmark]: Boogie Preprocessor took 21.86ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 101.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:17:48,823 INFO L158 Benchmark]: RCFGBuilder took 415.47ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 74.6MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:17:48,823 INFO L158 Benchmark]: CodeCheck took 1730.52ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 43.7MB in the end (delta: 30.6MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. [2024-12-06 00:17:48,823 INFO L158 Benchmark]: Witness Printer took 3.94ms. Allocated memory is still 142.6MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:17:48,826 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 2 procedures, 22 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 1.7s, OverallIterations: 2, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 50 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 8 mSDsluCounter, 65 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 30 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 55 mSDtfsCounter, 30 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 195 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 639 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 56/56 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: 19]: 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 73, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of someBinaryFLOATComparisonOperation at line 83, overapproximation of bitwiseOr at line 38, overapproximation of someBinaryArithmeticFLOAToperation at line 51. Possible FailurePath: [L21] unsigned char isInitial = 0; [L22] signed short int var_1_1 = -10; [L23] unsigned char var_1_7 = 200; [L24] unsigned char var_1_8 = 4; [L25] signed char var_1_9 = 50; [L26] signed char var_1_12 = -5; [L27] float var_1_13 = 999999999999.8; [L28] float var_1_14 = 100.5; [L29] float var_1_15 = 32.75; [L30] unsigned char var_1_16 = 1; [L31] unsigned char var_1_17 = 1; [L32] unsigned char var_1_18 = 128; [L33] unsigned char last_1_var_1_7 = 200; [L34] signed char last_1_var_1_9 = 50; [L87] isInitial = 1 [L88] FCALL initially() [L90] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-5, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_14=201/2, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_15=131/4, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=128, var_1_1=-10, var_1_7=200, var_1_8=-255, var_1_9=50] [L91] RET updateVariables() [L92] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 [L46] COND TRUE var_1_18 == var_1_18 [L47] var_1_7 = var_1_8 [L49] signed short int stepLocal_3 = var_1_1; [L50] COND FALSE !(var_1_18 == stepLocal_3) [L53] signed short int stepLocal_2 = var_1_1; [L54] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L55] COND TRUE \read(var_1_16) [L56] COND FALSE !(stepLocal_1 && var_1_16) [L92] RET step() [L93] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND FALSE !(!(cond)) VAL [isInitial=1, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=-255, var_1_9=50] [L93] RET __VERIFIER_assert(property()) [L94] isInitial = 0 VAL [isInitial=0, last_1_var_1_7=200, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=-255, var_1_9=50] [L90] CALL updateLastVariables() [L79] last_1_var_1_7 = var_1_7 [L80] last_1_var_1_9 = var_1_9 [L90] RET updateLastVariables() [L91] CALL updateVariables() [L64] var_1_8 = __VERIFIER_nondet_uchar() [L65] CALL assume_abort_if_not(var_1_8 >= 0) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_9=50] [L20] COND FALSE !(!cond) [L65] RET assume_abort_if_not(var_1_8 >= 0) VAL [isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_9=50] [L66] CALL assume_abort_if_not(var_1_8 <= 254) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L66] RET assume_abort_if_not(var_1_8 <= 254) VAL [isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L67] var_1_12 = __VERIFIER_nondet_char() [L68] CALL assume_abort_if_not(var_1_12 >= -127) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L68] RET assume_abort_if_not(var_1_12 >= -127) VAL [isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L69] CALL assume_abort_if_not(var_1_12 <= 126) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L69] RET assume_abort_if_not(var_1_12 <= 126) VAL [isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L70] var_1_14 = __VERIFIER_nondet_float() [L71] CALL assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L71] RET assume_abort_if_not((var_1_14 >= 0.0F && var_1_14 <= -1.0e-20F) || (var_1_14 <= 9223372.036854765600e+12F && var_1_14 >= 1.0e-20F )) VAL [isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L72] var_1_15 = __VERIFIER_nondet_float() [L73] CALL assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L73] RET assume_abort_if_not((var_1_15 >= 0.0F && var_1_15 <= -1.0e-20F) || (var_1_15 <= 9223372.036854765600e+12F && var_1_15 >= 1.0e-20F )) VAL [isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L74] var_1_17 = __VERIFIER_nondet_uchar() [L75] CALL assume_abort_if_not(var_1_17 >= 1) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L75] RET assume_abort_if_not(var_1_17 >= 1) VAL [isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L76] CALL assume_abort_if_not(var_1_17 <= 1) VAL [\old(cond)=1, isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L20] COND FALSE !(!cond) [L76] RET assume_abort_if_not(var_1_17 <= 1) VAL [isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=4999999999999/5, var_1_16=1, var_1_17=1, var_1_18=-255, var_1_1=-272, var_1_7=-255, var_1_8=126, var_1_9=50] [L91] RET updateVariables() [L92] CALL step() [L38] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L38] signed long int stepLocal_0 = (last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9; [L39] COND FALSE !(stepLocal_0 < -1) [L42] var_1_1 = (128 - (last_1_var_1_7 + last_1_var_1_7)) [L44] var_1_16 = var_1_17 [L45] var_1_18 = var_1_8 [L46] COND TRUE var_1_18 == var_1_18 [L47] var_1_7 = var_1_8 [L49] signed short int stepLocal_3 = var_1_1; [L50] COND TRUE var_1_18 == stepLocal_3 [L51] var_1_13 = (var_1_14 - var_1_15) [L53] signed short int stepLocal_2 = var_1_1; [L54] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L55] COND TRUE \read(var_1_16) [L56] COND FALSE !(stepLocal_1 && var_1_16) [L92] RET step() [L93] CALL, EXPR property() [L83] EXPR last_1_var_1_9 ^ last_1_var_1_9 [L83-L84] return ((((((((last_1_var_1_9 ^ last_1_var_1_9) + last_1_var_1_9) < -1) ? (var_1_1 == ((signed short int) 8)) : (var_1_1 == ((signed short int) (128 - (last_1_var_1_7 + last_1_var_1_7))))) && ((var_1_18 == var_1_18) ? (var_1_7 == ((unsigned char) var_1_8)) : 1)) && (var_1_16 ? ((((var_1_1 * var_1_18) < -10000) && var_1_16) ? ((var_1_1 > var_1_1) ? (var_1_9 == ((signed char) var_1_12)) : 1) : 1) : 1)) && ((var_1_18 == var_1_1) ? (var_1_13 == ((float) (var_1_14 - var_1_15))) : 1)) && (var_1_16 == ((unsigned char) var_1_17))) && (var_1_18 == ((unsigned char) var_1_8)) ; [L93] RET, EXPR property() [L93] CALL __VERIFIER_assert(property()) [L19] COND TRUE !(cond) VAL [isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=0, var_1_16=1, var_1_17=1, var_1_18=126, var_1_1=126, var_1_7=126, var_1_8=126, var_1_9=50] [L19] reach_error() VAL [isInitial=0, last_1_var_1_7=-255, last_1_var_1_9=50, var_1_12=-127, var_1_13=0, var_1_16=1, var_1_17=1, var_1_18=126, var_1_1=126, var_1_7=126, var_1_8=126, var_1_9=50] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23ms. Allocated memory is still 142.6MB. Free memory is still 84.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 196.43ms. Allocated memory is still 142.6MB. Free memory was 117.1MB in the beginning and 104.7MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.88ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 102.9MB in the end (delta: 1.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 21.86ms. Allocated memory is still 142.6MB. Free memory was 102.9MB in the beginning and 101.5MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 415.47ms. Allocated memory is still 142.6MB. Free memory was 101.5MB in the beginning and 74.6MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1730.52ms. Allocated memory is still 142.6MB. Free memory was 74.3MB in the beginning and 43.7MB in the end (delta: 30.6MB). Peak memory consumption was 30.2MB. Max. memory is 16.1GB. * Witness Printer took 3.94ms. Allocated memory is still 142.6MB. Free memory was 43.7MB in the beginning and 43.7MB in the end (delta: 17.7kB). 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 00:17:48,844 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/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 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:17:50,834 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:17:50,914 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:17:50,941 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:17:50,942 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:17:50,942 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:17:50,943 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:17:50,943 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:17:50,943 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:17:50,943 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:17:50,943 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:17:50,943 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:17:50,943 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:17:50,944 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:17:50,944 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:17:50,944 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:17:50,944 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:17:50,944 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:17:50,944 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:17:50,944 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:17:50,944 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:17:50,944 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:17:50,944 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:17:50,945 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:17:50,945 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:17:50,945 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:17:50,945 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:50,945 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:17:50,945 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:17:50,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:17:50,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:17:50,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:17:50,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:17:50,945 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:17:50,946 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:50,946 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:17:50,946 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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/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 -> 4d07f6d4eb00f77dbf0a6f761a1dfb43bb3a584f994c1eafe03cf0135e1262b3 [2024-12-06 00:17:51,184 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:17:51,193 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:17:51,195 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:17:51,197 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:17:51,197 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:17:51,198 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i [2024-12-06 00:17:53,867 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/data/4eeeef7f1/c896c79d6b124f5ca9497d34e71416a3/FLAG9fe637924 [2024-12-06 00:17:54,046 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:17:54,046 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i [2024-12-06 00:17:54,053 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/data/4eeeef7f1/c896c79d6b124f5ca9497d34e71416a3/FLAG9fe637924 [2024-12-06 00:17:54,066 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/data/4eeeef7f1/c896c79d6b124f5ca9497d34e71416a3 [2024-12-06 00:17:54,068 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:17:54,069 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:17:54,070 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:17:54,070 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:17:54,074 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:17:54,075 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,075 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@320d8afa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54, skipping insertion in model container [2024-12-06 00:17:54,075 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,087 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:17:54,191 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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2024-12-06 00:17:54,225 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:17:54,238 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:17:54,246 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_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/sv-benchmarks/c/hardness-nfm22/hardness_loopvsstraightlinecode_25-while_file-33.i[915,928] [2024-12-06 00:17:54,263 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:17:54,278 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:17:54,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54 WrapperNode [2024-12-06 00:17:54,278 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:17:54,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:17:54,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:17:54,280 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:17:54,285 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,293 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,310 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-12-06 00:17:54,311 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:17:54,311 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:17:54,311 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:17:54,311 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:17:54,316 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,316 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,319 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,319 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,326 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,326 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,329 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,331 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,332 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,335 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:17:54,336 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:17:54,336 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:17:54,336 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:17:54,337 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,342 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:17:54,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:17:54,361 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:17:54,364 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:17:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:17:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:17:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:17:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:17:54,382 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:17:54,382 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:17:54,441 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:17:54,442 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:17:54,774 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 00:17:54,774 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:17:54,873 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:17:54,873 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:17:54,873 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:17:54 BoogieIcfgContainer [2024-12-06 00:17:54,873 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:17:54,874 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:17:54,874 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:17:54,881 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:17:54,881 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:17:54" (1/1) ... [2024-12-06 00:17:54,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:17:54,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:54,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 00:17:54,932 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 00:17:54,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 00:17:54,936 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:54,936 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:17:54,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:17:54,939 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:17:54,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:17:55,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:55,262 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:17:55,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:17:55,322 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:17:55,328 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:15,574 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 00:18:15,578 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:18:16,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:16,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 54 transitions. [2024-12-06 00:18:16,085 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-12-06 00:18:16,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:18:16,086 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:16,086 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:16,086 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:16,088 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:16,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:18:16,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:16,509 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:16,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:16,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:18:16,807 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:18:45,654 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:18:45,659 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:18:49,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:18:49,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 72 states and 113 transitions. [2024-12-06 00:18:49,522 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2024-12-06 00:18:49,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:18:49,525 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:18:49,525 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:18:49,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:18:49,526 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:18:49,527 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:18:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:49,953 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:18:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:18:50,303 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:18:50,305 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:18,512 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:19:18,516 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:19:18,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:18,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 72 states and 113 transitions. [2024-12-06 00:19:18,596 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 113 transitions. [2024-12-06 00:19:18,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:19:18,598 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:18,598 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:18,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:18,599 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:18,600 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:19:19,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:19,021 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:19,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:19,348 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:19:19,350 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:43,968 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 53 proven. 151 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-06 00:19:43,972 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:19:49,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:49,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 146 transitions. [2024-12-06 00:19:49,933 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 146 transitions. [2024-12-06 00:19:49,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:19:49,935 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:49,935 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:49,935 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:49,937 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:49,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:19:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:50,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:50,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:50,655 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:19:50,657 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:14,676 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 53 proven. 151 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-06 00:20:14,679 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:20:15,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:15,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 146 transitions. [2024-12-06 00:20:15,012 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 146 transitions. [2024-12-06 00:20:15,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:20:15,013 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:15,013 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:15,013 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:15,015 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:15,016 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:20:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:15,429 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:15,886 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:20:15,888 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:39,821 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 00:20:39,825 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:20:40,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:40,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 146 transitions. [2024-12-06 00:20:40,593 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 146 transitions. [2024-12-06 00:20:40,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:20:40,594 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:40,594 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:40,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:40,595 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:40,596 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:20:41,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:41,000 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:41,293 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:20:41,295 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:09,257 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:21:09,261 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:21:09,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:09,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 146 transitions. [2024-12-06 00:21:09,939 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 146 transitions. [2024-12-06 00:21:09,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:21:09,940 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:09,940 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:09,940 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:09,942 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:09,943 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:21:10,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:10,359 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:10,643 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:21:10,644 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:39,155 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:21:39,159 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:21:39,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:39,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 84 states and 146 transitions. [2024-12-06 00:21:39,846 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 146 transitions. [2024-12-06 00:21:39,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:21:39,847 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:39,847 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:39,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:39,849 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:39,849 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:21:40,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:40,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:40,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:40,749 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:21:40,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:04,324 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 00:22:04,327 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:22:04,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:04,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 147 transitions. [2024-12-06 00:22:04,966 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2024-12-06 00:22:04,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:22:04,967 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:04,967 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:04,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:04,969 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:04,969 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:22:05,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:05,384 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:05,777 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:22:05,779 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:34,024 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:22:34,028 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:22:34,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 147 transitions. [2024-12-06 00:22:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2024-12-06 00:22:34,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:22:34,733 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:34,733 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:34,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:34,735 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:34,736 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:22:35,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:35,148 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:35,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:22:35,533 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:00,001 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 53 proven. 151 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-06 00:23:00,005 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:23:00,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:00,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 147 transitions. [2024-12-06 00:23:00,173 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2024-12-06 00:23:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:23:00,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:00,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:00,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:00,175 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:00,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:23:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:00,586 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:00,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:00,901 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:23:00,903 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:28,593 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 00:23:28,597 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:23:28,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:28,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 147 transitions. [2024-12-06 00:23:28,819 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2024-12-06 00:23:28,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:23:28,820 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:28,820 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:28,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:28,822 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:28,823 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:23:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:29,346 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:29,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:29,768 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:23:29,771 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:06,929 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:24:06,933 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:24:07,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 86 states and 147 transitions. [2024-12-06 00:24:07,802 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 147 transitions. [2024-12-06 00:24:07,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:24:07,803 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:07,803 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:07,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:07,805 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:07,807 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:24:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:08,364 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:08,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:08,946 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 00:24:08,949 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:18,313 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 154 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 00:25:18,317 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Forceful destruction successful, exit code 0 [2024-12-06 00:25:30,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:30,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 116 states and 205 transitions. [2024-12-06 00:25:30,461 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 205 transitions. [2024-12-06 00:25:30,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:25:30,462 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:30,462 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:30,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:30,464 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:30,465 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:25:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:30,872 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:31,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:31,287 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:25:31,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:55,736 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 53 proven. 151 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2024-12-06 00:25:55,739 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:25:57,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:57,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 267 states to 116 states and 205 transitions. [2024-12-06 00:25:57,123 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 205 transitions. [2024-12-06 00:25:57,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:25:57,124 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:57,124 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:57,124 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:57,126 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:57,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:25:57,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:57,535 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:58,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:58,160 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 00:25:58,162 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:22,527 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 56 proven. 150 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 00:26:22,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:26:25,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:25,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:26:25,177 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:26:25,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:26:25,178 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:25,178 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:25,178 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:25,180 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:25,181 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:26:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:25,596 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:26,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:26,132 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:26:26,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:55,073 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:26:55,076 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:26:55,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:55,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:26:55,362 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:26:55,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:26:55,363 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:55,363 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:55,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:55,365 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:55,365 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:26:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:55,765 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:56,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:56,123 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:26:56,125 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:27:19,750 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 00:27:19,754 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:27:19,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:27:19,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:27:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:27:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:27:19,833 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:27:19,833 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:27:19,833 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:27:19,834 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:27:19,835 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:27:20,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:27:20,223 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:27:20,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:27:20,686 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:27:20,688 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:27:48,281 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:27:48,285 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:27:48,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:27:48,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:27:48,567 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:27:48,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:27:48,568 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:27:48,568 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:27:48,568 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:27:48,570 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:27:48,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:27:48,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:27:48,969 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:27:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:27:49,263 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:27:49,266 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:08,422 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 154 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2024-12-06 00:29:08,426 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-12-06 00:29:10,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:10,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:29:10,961 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:29:10,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:29:10,962 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:10,962 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:10,962 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:10,964 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:10,964 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:29:11,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:11,360 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:11,738 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:29:11,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:35,414 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 00:29:35,418 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 00:29:35,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:35,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:29:35,484 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:29:35,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:29:35,484 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:35,484 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:35,484 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:35,486 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:35,486 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:29:35,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:35,887 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:29:36,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:29:36,266 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:29:36,268 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:29:59,795 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 38 proven. 154 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-12-06 00:29:59,799 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 00:29:59,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:29:59,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:29:59,871 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:29:59,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:29:59,872 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:29:59,872 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:29:59,872 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:29:59,873 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:29:59,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:30:00,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:00,265 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:00,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:00,693 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:30:00,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:28,360 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:30:28,364 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 00:30:28,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:28,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:30:28,679 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:30:28,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:30:28,680 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:28,680 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:28,680 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:28,681 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:28,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:30:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:29,071 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:29,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:30:29,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:57,055 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:30:57,059 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 00:30:57,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:57,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:30:57,830 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:30:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:30:57,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:57,830 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:57,830 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:57,832 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:57,832 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 00:30:58,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:58,234 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:58,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:58,551 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:30:58,553 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:21,912 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 00:31:21,915 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 00:31:21,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:21,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:31:21,979 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:31:21,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:31:21,979 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:21,979 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:21,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:21,981 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:21,982 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 00:31:22,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:22,382 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:22,766 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:31:22,768 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:50,892 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 93 proven. 18 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2024-12-06 00:31:50,895 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 00:31:51,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:51,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:31:51,206 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:31:51,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:31:51,206 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:51,207 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:51,207 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:51,208 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:51,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 00:31:51,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:51,598 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:52,117 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:31:52,119 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:22,150 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 94 proven. 25 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2024-12-06 00:32:22,154 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 00:32:22,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:22,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:32:22,503 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:32:22,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:32:22,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:22,504 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:22,504 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:22,505 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:22,506 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 00:32:22,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:22,911 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:23,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:23,530 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:32:23,531 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 34 proven. 153 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2024-12-06 00:32:48,127 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Ended with exit code 0 [2024-12-06 00:32:48,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:48,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 289 states to 118 states and 217 transitions. [2024-12-06 00:32:48,196 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 217 transitions. [2024-12-06 00:32:48,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:32:48,196 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:48,196 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:48,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:48,198 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:48,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_499f45c6-f28e-4c39-bcc8-7bc7197e38b8/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (30)] Waiting until timeout for monitored process [2024-12-06 00:32:48,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:48,643 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:49,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:49,278 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:32:49,280 INFO L279 TraceCheckSpWp]: Computing forward predicates...