./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/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 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:18:56,282 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:18:56,359 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:18:56,365 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:18:56,365 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:18:56,392 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:18:56,393 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:18:56,393 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:18:56,393 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:18:56,393 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:18:56,394 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:18:56,394 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:18:56,394 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:18:56,394 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:18:56,394 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:18:56,394 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:18:56,394 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:18:56,395 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:18:56,395 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:18:56,395 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:18:56,395 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:18:56,395 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:18:56,395 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:18:56,395 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:18:56,395 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:18:56,396 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:18:56,396 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:18:56,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:18:56,396 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:18:56,396 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:18:56,396 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:18:56,396 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:18:56,396 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:18:56,397 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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/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 -> 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 [2024-12-06 00:18:56,723 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:18:56,734 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:18:56,737 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:18:56,739 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:18:56,739 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:18:56,741 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i [2024-12-06 00:19:00,069 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/data/9220fa922/847742eaf54c41fbb7f133a8eb91c430/FLAGbc09b705c [2024-12-06 00:19:00,254 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:19:00,255 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i [2024-12-06 00:19:00,266 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/data/9220fa922/847742eaf54c41fbb7f133a8eb91c430/FLAGbc09b705c [2024-12-06 00:19:00,282 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/data/9220fa922/847742eaf54c41fbb7f133a8eb91c430 [2024-12-06 00:19:00,285 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:19:00,286 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:19:00,288 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:19:00,288 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:19:00,291 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:19:00,292 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,293 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e191646 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00, skipping insertion in model container [2024-12-06 00:19:00,293 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,306 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:19:00,411 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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-12-06 00:19:00,444 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:19:00,453 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:19:00,461 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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-12-06 00:19:00,478 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:19:00,493 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:19:00,493 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00 WrapperNode [2024-12-06 00:19:00,493 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:19:00,494 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:19:00,494 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:19:00,494 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:19:00,499 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,506 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,527 INFO L138 Inliner]: procedures = 26, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 110 [2024-12-06 00:19:00,527 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:19:00,528 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:19:00,528 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:19:00,528 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:19:00,534 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,534 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,536 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,536 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,541 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,542 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,545 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,547 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,549 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:19:00,550 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:19:00,550 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:19:00,550 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:19:00,551 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,556 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:19:00,566 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:19:00,576 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:19:00,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:19:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:19:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:19:00,597 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:19:00,597 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:19:00,598 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:19:00,598 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:19:00,657 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:19:00,659 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:19:00,854 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 00:19:00,855 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:19:00,956 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:19:00,957 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:19:00,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:19:00 BoogieIcfgContainer [2024-12-06 00:19:00,957 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:19:00,958 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:19:00,958 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:19:00,967 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:19:00,967 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:19:00" (1/1) ... [2024-12-06 00:19:00,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:19:01,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 00:19:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 00:19:01,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 00:19:01,020 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:01,020 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:01,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:02,318 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 00:19:02,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:02,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 36 states and 54 transitions. [2024-12-06 00:19:02,467 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 54 transitions. [2024-12-06 00:19:02,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:19:02,469 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:02,469 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:19:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-12-06 00:19:02,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:19:02,673 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-12-06 00:19:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-12-06 00:19:02,780 WARN L473 CodeCheckObserver]: This program is UNSAFE, Check terminated with 2 iterations. [2024-12-06 00:19:02,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 12:19:02 ImpRootNode [2024-12-06 00:19:02,832 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 00:19:02,833 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 00:19:02,833 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 00:19:02,833 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 00:19:02,834 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:19:00" (3/4) ... [2024-12-06 00:19:02,836 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-12-06 00:19:02,837 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 00:19:02,838 INFO L158 Benchmark]: Toolchain (without parser) took 2551.82ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 119.0MB in the beginning and 371.4MB in the end (delta: -252.4MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2024-12-06 00:19:02,838 INFO L158 Benchmark]: CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:19:02,839 INFO L158 Benchmark]: CACSL2BoogieTranslator took 206.06ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:19:02,839 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.25ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 104.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:19:02,839 INFO L158 Benchmark]: Boogie Preprocessor took 21.80ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 00:19:02,840 INFO L158 Benchmark]: RCFGBuilder took 406.88ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 76.7MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 00:19:02,840 INFO L158 Benchmark]: CodeCheck took 1874.59ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 76.7MB in the beginning and 371.4MB in the end (delta: -294.7MB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:19:02,841 INFO L158 Benchmark]: Witness Printer took 4.05ms. Allocated memory is still 419.4MB. Free memory was 371.4MB in the beginning and 371.4MB in the end (delta: 17.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 00:19:02,843 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: 1.8s, 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, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31 IncrementalHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 55 mSDtfsCounter, 31 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, 1.1s InterpolantComputationTime, 98 NumberOfCodeBlocks, 98 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 32 ConstructedInterpolants, 0 QuantifiedInterpolants, 183 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 83, overapproximation of someBinaryFLOATComparisonOperation at line 71, overapproximation of bitwiseOr at line 38, overapproximation of someBinaryArithmeticFLOAToperation at line 60. 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=-256, 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=-256, 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=-256, 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=-256, 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=-256, 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=-256, 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=-256, 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=-256, 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=-256, 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=-256, 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=-256, 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=-256, 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=-256, 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=-256, 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] signed short int stepLocal_2 = var_1_1; [L47] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L48] COND TRUE \read(var_1_16) [L49] COND FALSE !(stepLocal_1 && var_1_16) [L55] COND TRUE var_1_18 == var_1_18 [L56] var_1_7 = var_1_8 [L58] signed short int stepLocal_3 = var_1_1; [L59] COND FALSE !(var_1_18 == stepLocal_3) [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=-256, var_1_1=-272, var_1_7=-256, var_1_8=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=-256, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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=-256, 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=-256, var_1_1=-272, var_1_7=-256, var_1_8=128, 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] signed short int stepLocal_2 = var_1_1; [L47] unsigned char stepLocal_1 = (var_1_1 * var_1_18) < -10000; [L48] COND TRUE \read(var_1_16) [L49] COND FALSE !(stepLocal_1 && var_1_16) [L55] COND TRUE var_1_18 == var_1_18 [L56] var_1_7 = var_1_8 [L58] signed short int stepLocal_3 = var_1_1; [L59] COND TRUE var_1_18 == stepLocal_3 [L60] var_1_13 = (var_1_14 - var_1_15) [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=-256, 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=128, var_1_1=128, var_1_7=128, var_1_8=128, var_1_9=50] [L19] reach_error() VAL [isInitial=0, last_1_var_1_7=-256, 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=128, var_1_1=128, var_1_7=128, var_1_8=128, var_1_9=50] * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38ms. Allocated memory is still 142.6MB. Free memory is still 82.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 206.06ms. Allocated memory is still 142.6MB. Free memory was 119.0MB in the beginning and 106.6MB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.25ms. Allocated memory is still 142.6MB. Free memory was 106.6MB in the beginning and 104.7MB in the end (delta: 1.9MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.80ms. Allocated memory is still 142.6MB. Free memory was 104.7MB in the beginning and 103.4MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 406.88ms. Allocated memory is still 142.6MB. Free memory was 103.4MB in the beginning and 76.7MB in the end (delta: 26.7MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * CodeCheck took 1874.59ms. Allocated memory was 142.6MB in the beginning and 419.4MB in the end (delta: 276.8MB). Free memory was 76.7MB in the beginning and 371.4MB in the end (delta: -294.7MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 4.05ms. Allocated memory is still 419.4MB. Free memory was 371.4MB in the beginning and 371.4MB 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 00:19:02,863 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/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 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:19:05,173 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:19:05,268 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Bitvector.epf [2024-12-06 00:19:05,297 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:19:05,298 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:19:05,298 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:19:05,299 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:19:05,299 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:19:05,299 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:19:05,299 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:19:05,299 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:19:05,300 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:19:05,300 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:19:05,300 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:19:05,300 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:19:05,300 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:19:05,300 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-12-06 00:19:05,300 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-12-06 00:19:05,300 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-12-06 00:19:05,301 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:19:05,301 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:19:05,301 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:19:05,301 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:19:05,302 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:19:05,302 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:19:05,302 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:19:05,302 INFO L153 SettingsManager]: * Command for calling external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:05,302 INFO L153 SettingsManager]: * Choose which separate solver to use for tracechecks=External_ModelsAndUnsatCoreMode [2024-12-06 00:19:05,302 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:19:05,302 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:19:05,303 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:19:05,303 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:19:05,303 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:19:05,303 INFO L153 SettingsManager]: * Trace refinement strategy=WALRUS [2024-12-06 00:19:05,303 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:05,303 INFO L153 SettingsManager]: * Use separate solver for trace checks=false [2024-12-06 00:19:05,303 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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/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 -> 9be54bf039b1b69bac47621c18caa89883f4e5db7b74fe4f3e62990547785f77 [2024-12-06 00:19:05,597 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:19:05,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:19:05,610 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:19:05,612 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:19:05,612 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:19:05,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i [2024-12-06 00:19:09,088 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/data/e2b5774ed/05a44c1a5d7b46669ff259a0f498f9c6/FLAG6ab276126 [2024-12-06 00:19:09,305 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:19:09,306 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i [2024-12-06 00:19:09,316 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/data/e2b5774ed/05a44c1a5d7b46669ff259a0f498f9c6/FLAG6ab276126 [2024-12-06 00:19:09,335 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/data/e2b5774ed/05a44c1a5d7b46669ff259a0f498f9c6 [2024-12-06 00:19:09,338 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:19:09,340 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:19:09,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:19:09,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:19:09,348 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:19:09,349 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,350 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@261b3114 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09, skipping insertion in model container [2024-12-06 00:19:09,350 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,370 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:19:09,540 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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-12-06 00:19:09,579 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:19:09,594 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:19:09,605 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_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/sv-benchmarks/c/hardness-nfm22/hardness_operatoramount_amount25_file-33.i[915,928] [2024-12-06 00:19:09,624 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:19:09,646 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:19:09,646 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09 WrapperNode [2024-12-06 00:19:09,647 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:19:09,648 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:19:09,648 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:19:09,648 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:19:09,656 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,666 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,690 INFO L138 Inliner]: procedures = 27, calls = 21, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 88 [2024-12-06 00:19:09,691 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:19:09,691 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:19:09,692 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:19:09,692 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:19:09,701 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,701 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,704 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,704 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,711 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,712 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,716 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,718 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,720 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,723 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:19:09,725 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:19:09,725 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:19:09,725 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:19:09,726 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:19:09" (1/1) ... [2024-12-06 00:19:09,732 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:19:09,749 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:19:09,764 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:19:09,767 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:19:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:19:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1 [2024-12-06 00:19:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-12-06 00:19:09,799 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-12-06 00:19:09,799 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:19:09,799 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:19:09,875 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:19:09,877 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:19:10,246 INFO L? ?]: Removed 16 outVars from TransFormulas that were not future-live. [2024-12-06 00:19:10,246 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:19:10,380 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:19:10,381 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:19:10,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:19:10 BoogieIcfgContainer [2024-12-06 00:19:10,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:19:10,382 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:19:10,382 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:19:10,395 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:19:10,395 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:19:10" (1/1) ... [2024-12-06 00:19:10,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:19:10,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:10,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 22 states and 30 transitions. [2024-12-06 00:19:10,461 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 30 transitions. [2024-12-06 00:19:10,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-12-06 00:19:10,466 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:10,466 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:10,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:10,469 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:10,471 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Waiting until timeout for monitored process [2024-12-06 00:19:10,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:10,848 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:10,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:10,921 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-12-06 00:19:10,928 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:19:36,530 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 00:19:36,535 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (2)] Ended with exit code 0 [2024-12-06 00:19:37,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:19:37,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 38 states and 54 transitions. [2024-12-06 00:19:37,260 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 54 transitions. [2024-12-06 00:19:37,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:19:37,262 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:19:37,262 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:19:37,262 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:19:37,264 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:19:37,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Waiting until timeout for monitored process [2024-12-06 00:19:37,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:37,881 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:19:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:19:38,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 00:19:38,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:10,298 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 00:20:10,302 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (3)] Ended with exit code 0 [2024-12-06 00:20:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:18,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 72 states and 119 transitions. [2024-12-06 00:20:18,893 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 119 transitions. [2024-12-06 00:20:18,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:20:18,895 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:18,895 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:18,895 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:18,897 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:18,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Waiting until timeout for monitored process [2024-12-06 00:20:19,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:19,388 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:19,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:19,747 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:20:19,750 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:20:52,846 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 00:20:52,851 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (4)] Ended with exit code 0 [2024-12-06 00:20:57,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:20:57,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 133 transitions. [2024-12-06 00:20:57,121 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2024-12-06 00:20:57,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:20:57,122 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:20:57,122 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:20:57,122 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:20:57,124 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:20:57,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Waiting until timeout for monitored process [2024-12-06 00:20:57,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:57,524 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:20:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:20:57,881 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:20:57,884 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:23,354 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 00:21:23,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (5)] Ended with exit code 0 [2024-12-06 00:21:23,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:24,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 133 transitions. [2024-12-06 00:21:24,001 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2024-12-06 00:21:24,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:21:24,002 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:24,002 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:24,002 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:24,003 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:24,004 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Waiting until timeout for monitored process [2024-12-06 00:21:24,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:24,412 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:24,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:24,811 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-12-06 00:21:24,814 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:21:52,770 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 00:21:52,775 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (6)] Ended with exit code 0 [2024-12-06 00:21:54,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:21:54,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 133 transitions. [2024-12-06 00:21:54,492 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2024-12-06 00:21:54,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:21:54,494 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:21:54,494 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:21:54,494 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:21:54,496 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:21:54,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Waiting until timeout for monitored process [2024-12-06 00:21:55,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:55,101 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:21:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:21:55,535 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 00:21:55,538 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:22:26,845 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 00:22:26,850 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (7)] Ended with exit code 0 [2024-12-06 00:22:27,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:22:27,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 133 transitions. [2024-12-06 00:22:27,671 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2024-12-06 00:22:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:22:27,672 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:22:27,672 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:22:27,672 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:22:27,674 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:22:27,676 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Waiting until timeout for monitored process [2024-12-06 00:22:28,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:28,269 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:22:28,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:22:28,813 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-12-06 00:22:28,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:00,679 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 00:23:00,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (8)] Ended with exit code 0 [2024-12-06 00:23:01,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:01,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 133 transitions. [2024-12-06 00:23:01,661 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2024-12-06 00:23:01,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:23:01,662 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:01,662 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:01,662 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:01,665 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:01,666 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Waiting until timeout for monitored process [2024-12-06 00:23:02,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:02,272 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:02,769 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 00:23:02,772 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:29,627 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 00:23:29,630 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (9)] Ended with exit code 0 [2024-12-06 00:23:30,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:30,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 133 transitions. [2024-12-06 00:23:30,245 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2024-12-06 00:23:30,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:23:30,246 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:30,246 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:30,246 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:30,248 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:30,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Waiting until timeout for monitored process [2024-12-06 00:23:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:30,696 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:31,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:31,095 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:23:31,097 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:23:56,989 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 00:23:56,993 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (10)] Ended with exit code 0 [2024-12-06 00:23:57,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:23:57,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 78 states and 133 transitions. [2024-12-06 00:23:57,638 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2024-12-06 00:23:57,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:23:57,639 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:23:57,639 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:23:57,639 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:23:57,640 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:23:57,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Waiting until timeout for monitored process [2024-12-06 00:23:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:58,054 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:23:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:23:58,533 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-12-06 00:23:58,536 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:24:28,508 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 100 proven. 45 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2024-12-06 00:24:28,513 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (11)] Ended with exit code 0 [2024-12-06 00:24:31,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:24:31,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 146 transitions. [2024-12-06 00:24:31,406 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:24:31,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:24:31,408 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:24:31,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:24:31,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:24:31,409 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:24:31,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Waiting until timeout for monitored process [2024-12-06 00:24:31,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:31,811 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:24:32,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:24:32,150 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:24:32,153 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:07,947 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 00:25:07,952 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (12)] Ended with exit code 0 [2024-12-06 00:25:08,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:08,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 146 transitions. [2024-12-06 00:25:08,094 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:25:08,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:25:08,095 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:08,095 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:08,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:08,096 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:08,097 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Waiting until timeout for monitored process [2024-12-06 00:25:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:08,553 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:09,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:09,020 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 00:25:09,022 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 00:25:32,685 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (13)] Ended with exit code 0 [2024-12-06 00:25:32,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:25:32,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 146 transitions. [2024-12-06 00:25:32,817 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:25:32,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:25:32,818 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:25:32,818 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:25:32,818 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:25:32,819 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:25:32,820 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Waiting until timeout for monitored process [2024-12-06 00:25:33,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:33,211 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:25:33,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:25:33,627 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:25:33,630 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:25:59,695 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 00:25:59,698 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (14)] Ended with exit code 0 [2024-12-06 00:26:00,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:00,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 146 transitions. [2024-12-06 00:26:00,407 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:26:00,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:26:00,407 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:00,408 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:00,408 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:00,409 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:00,410 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Waiting until timeout for monitored process [2024-12-06 00:26:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:00,841 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:01,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:01,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:26:01,203 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:31,195 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 00:26:31,198 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (15)] Ended with exit code 0 [2024-12-06 00:26:31,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:31,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 146 transitions. [2024-12-06 00:26:31,304 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:26:31,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:26:31,305 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:31,305 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:31,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:31,306 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:31,307 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Waiting until timeout for monitored process [2024-12-06 00:26:31,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:31,774 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:32,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:32,104 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:26:32,105 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:26:57,804 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 00:26:57,807 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (16)] Ended with exit code 0 [2024-12-06 00:26:58,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:26:58,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 146 transitions. [2024-12-06 00:26:58,552 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:26:58,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:26:58,552 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:26:58,553 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:26:58,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:26:58,554 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:26:58,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Waiting until timeout for monitored process [2024-12-06 00:26:58,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:58,984 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:26:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:26:59,463 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 00:26:59,464 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:27:23,288 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 147 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-12-06 00:27:23,291 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (17)] Ended with exit code 0 [2024-12-06 00:27:23,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:27:23,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 146 transitions. [2024-12-06 00:27:23,885 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:27:23,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:27:23,886 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:27:23,886 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:27:23,886 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:27:23,887 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:27:23,888 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Waiting until timeout for monitored process [2024-12-06 00:27:24,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:27:24,306 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:27:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:27:24,616 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:27:24,617 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:27:54,362 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 00:27:54,365 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (18)] Ended with exit code 0 [2024-12-06 00:27:54,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:27:54,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 146 transitions. [2024-12-06 00:27:54,768 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:27:54,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:27:54,769 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:27:54,769 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:27:54,769 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:27:54,771 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:27:54,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Waiting until timeout for monitored process [2024-12-06 00:27:55,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:27:55,179 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:27:55,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:27:55,554 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:27:55,556 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:28:25,065 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 00:28:25,069 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (19)] Ended with exit code 0 [2024-12-06 00:28:25,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:28:25,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 146 transitions. [2024-12-06 00:28:25,174 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:28:25,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:28:25,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:28:25,174 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:25,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:28:25,176 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:28:25,177 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Waiting until timeout for monitored process [2024-12-06 00:28:25,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:25,619 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:28:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:25,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-12-06 00:28:25,981 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:28:50,685 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 00:28:50,688 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (20)] Ended with exit code 0 [2024-12-06 00:28:51,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:28:51,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 80 states and 146 transitions. [2024-12-06 00:28:51,351 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:28:51,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:28:51,352 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:28:51,352 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:28:51,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:28:51,354 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:28:51,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Waiting until timeout for monitored process [2024-12-06 00:28:51,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:51,757 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:28:52,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:28:52,110 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-12-06 00:28:52,113 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:30:29,097 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 58 proven. 155 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-12-06 00:30:29,101 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (21)] Forceful destruction successful, exit code 0 [2024-12-06 00:30:32,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:30:32,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 80 states and 146 transitions. [2024-12-06 00:30:32,591 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:30:32,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:30:32,592 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:30:32,592 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:30:32,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:30:32,593 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:30:32,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Waiting until timeout for monitored process [2024-12-06 00:30:33,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:33,007 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:30:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:30:33,365 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 19 conjuncts are in the unsatisfiable core [2024-12-06 00:30:33,366 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:02,893 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 100 proven. 40 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2024-12-06 00:31:02,896 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (22)] Ended with exit code 0 [2024-12-06 00:31:03,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:03,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 80 states and 146 transitions. [2024-12-06 00:31:03,081 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 146 transitions. [2024-12-06 00:31:03,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:31:03,081 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:03,081 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:03,081 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:03,083 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:03,083 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Waiting until timeout for monitored process [2024-12-06 00:31:03,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:03,494 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:03,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:03,861 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-12-06 00:31:03,863 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:32,926 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 00:31:32,930 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (23)] Ended with exit code 0 [2024-12-06 00:31:34,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:34,327 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 82 states and 158 transitions. [2024-12-06 00:31:34,327 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2024-12-06 00:31:34,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:31:34,327 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:34,328 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:34,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:34,329 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:34,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Waiting until timeout for monitored process [2024-12-06 00:31:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:34,734 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:31:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:31:35,198 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-12-06 00:31:35,200 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:31:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 63 proven. 145 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-12-06 00:31:58,980 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (24)] Ended with exit code 0 [2024-12-06 00:31:59,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:31:59,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 82 states and 158 transitions. [2024-12-06 00:31:59,621 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2024-12-06 00:31:59,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:31:59,621 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:31:59,621 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:31:59,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:31:59,623 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:31:59,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Waiting until timeout for monitored process [2024-12-06 00:32:00,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:00,064 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:00,710 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-12-06 00:32:00,713 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:24,838 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 59 proven. 148 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2024-12-06 00:32:24,842 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (25)] Ended with exit code 0 [2024-12-06 00:32:25,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 82 states and 158 transitions. [2024-12-06 00:32:25,724 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2024-12-06 00:32:25,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:32:25,725 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:25,725 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:25,725 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:25,726 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:25,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Waiting until timeout for monitored process [2024-12-06 00:32:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:26,141 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:26,567 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-12-06 00:32:26,569 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:32:56,400 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 00:32:56,404 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (26)] Ended with exit code 0 [2024-12-06 00:32:56,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:32:56,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 82 states and 158 transitions. [2024-12-06 00:32:56,527 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2024-12-06 00:32:56,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:32:56,528 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:32:56,528 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:32:56,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:32:56,530 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:32:56,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Waiting until timeout for monitored process [2024-12-06 00:32:56,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:56,939 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:32:57,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:32:57,212 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-12-06 00:32:57,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:21,329 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 114 proven. 28 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2024-12-06 00:33:21,333 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (27)] Ended with exit code 0 [2024-12-06 00:33:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:23,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 82 states and 158 transitions. [2024-12-06 00:33:23,248 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2024-12-06 00:33:23,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:33:23,248 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:23,249 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:23,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:23,250 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:23,251 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Waiting until timeout for monitored process [2024-12-06 00:33:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:23,666 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:24,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:24,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-12-06 00:33:24,213 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-12-06 00:33:49,055 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 00:33:49,058 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (28)] Ended with exit code 0 [2024-12-06 00:33:49,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:33:49,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 190 states to 82 states and 158 transitions. [2024-12-06 00:33:49,749 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 158 transitions. [2024-12-06 00:33:49,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-12-06 00:33:49,749 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:33:49,749 INFO L173 SolverBuilder]: Constructing external solver with command: cvc4 --incremental --print-success --lang smt [2024-12-06 00:33:49,750 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 [2024-12-06 00:33:49,751 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (exit command is (exit), workingDir is null) [2024-12-06 00:33:49,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_59fc54d0-87d7-4b10-a148-80ac6c79d8a5/bin/ukojak-verify-CZk0znPC7b/cvc4 --incremental --print-success --lang smt (29)] Waiting until timeout for monitored process [2024-12-06 00:33:50,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:50,162 ERROR L568 CodeCheckObserver]: First Tracecheck threw exception Proofs are not supported [2024-12-06 00:33:50,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:33:50,454 INFO L256 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-12-06 00:33:50,455 INFO L279 TraceCheckSpWp]: Computing forward predicates...