./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c --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_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5b769442af2d950aaf4b68e467259bd2e1d98c5d8ca4dcdd5a740ef956112baf --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:03:48,617 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:03:48,703 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:03:48,707 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:03:48,708 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:03:48,729 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:03:48,730 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:03:48,730 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:03:48,731 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:03:48,731 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:03:48,731 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:03:48,731 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:03:48,731 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:03:48,731 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:03:48,731 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:03:48,731 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:03:48,731 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:03:48,731 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:03:48,732 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:03:48,732 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:03:48,732 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:03:48,732 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:03:48,732 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:03:48,732 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:03:48,732 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:03:48,732 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:03:48,732 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:03:48,732 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:03:48,733 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:03:48,733 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:03:48,733 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:03:48,733 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:03:48,737 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:03:48,737 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_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5b769442af2d950aaf4b68e467259bd2e1d98c5d8ca4dcdd5a740ef956112baf [2024-11-25 03:03:49,037 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:03:49,045 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:03:49,047 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:03:49,049 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:03:49,049 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:03:49,050 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2024-11-25 03:03:51,975 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/data/2bd76e480/71b4f659fd4c454c93157ad62a0e34ab/FLAG18e865feb [2024-11-25 03:03:52,405 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:03:52,406 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/sv-benchmarks/c/eca-rers2012/Problem14_label19.c [2024-11-25 03:03:52,431 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/data/2bd76e480/71b4f659fd4c454c93157ad62a0e34ab/FLAG18e865feb [2024-11-25 03:03:52,456 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/data/2bd76e480/71b4f659fd4c454c93157ad62a0e34ab [2024-11-25 03:03:52,460 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:03:52,462 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:03:52,465 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:03:52,466 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:03:52,471 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:03:52,472 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:03:52" (1/1) ... [2024-11-25 03:03:52,474 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3396942f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:52, skipping insertion in model container [2024-11-25 03:03:52,474 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:03:52" (1/1) ... [2024-11-25 03:03:52,543 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:03:52,855 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_e9678530-55de-4eb9-b865-d4fca5a2d79e/sv-benchmarks/c/eca-rers2012/Problem14_label19.c[6323,6336] [2024-11-25 03:03:53,080 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:03:53,095 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:03:53,152 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_e9678530-55de-4eb9-b865-d4fca5a2d79e/sv-benchmarks/c/eca-rers2012/Problem14_label19.c[6323,6336] [2024-11-25 03:03:53,312 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:03:53,333 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:03:53,334 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53 WrapperNode [2024-11-25 03:03:53,335 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:03:53,336 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:03:53,336 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:03:53,337 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:03:53,353 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,378 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,468 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-25 03:03:53,468 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:03:53,469 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:03:53,469 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:03:53,469 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:03:53,479 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,479 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,486 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,489 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,521 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,524 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,534 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,546 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,555 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,570 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:03:53,574 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:03:53,575 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:03:53,575 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:03:53,576 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:03:53" (1/1) ... [2024-11-25 03:03:53,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:03:53,600 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:03:53,621 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:03:53,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:03:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:03:53,664 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:03:53,665 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:03:53,665 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:03:53,760 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:03:53,763 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:03:55,798 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-25 03:03:55,799 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:04:00,498 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:04:00,498 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:04:00,499 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:04:00 BoogieIcfgContainer [2024-11-25 03:04:00,499 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:04:00,500 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:04:00,501 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:04:00,509 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:04:00,509 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:04:00" (1/1) ... [2024-11-25 03:04:00,516 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:04:00,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:00,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 03:04:00,565 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 03:04:00,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:04:00,567 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:00,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:00,906 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:04:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:01,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-25 03:04:01,181 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-25 03:04:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:04:01,182 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:01,182 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:01,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:04:26,548 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:04:27,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:04:27,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 17 states and 25 transitions. [2024-11-25 03:04:27,023 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 25 transitions. [2024-11-25 03:04:27,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:04:27,025 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:04:27,026 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:04:27,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:07,810 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:05:09,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:09,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 28 states and 51 transitions. [2024-11-25 03:05:09,155 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 51 transitions. [2024-11-25 03:05:09,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:05:09,156 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:09,156 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:05:49,300 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-25 03:05:49,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:05:49,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 32 states and 61 transitions. [2024-11-25 03:05:49,854 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 61 transitions. [2024-11-25 03:05:49,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:05:49,855 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:05:49,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:05:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:10:03,087 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 03:10:03,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:10:03,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 27 states and 55 transitions. [2024-11-25 03:10:03,161 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 55 transitions. [2024-11-25 03:10:03,162 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:10:03,162 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-11-25 03:10:03,170 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:10:03,374 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 6)) (not (= ~a21~0 6)) (< 0 (+ ~a12~0 43))) [2024-11-25 03:10:03,374 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:10:03,374 INFO L77 FloydHoareUtils]: At program point L196-1(lines 30 882) the Hoare annotation is: (or (< 0 (+ ~a12~0 22)) (not (= ~a24~0 1)) (not (= ~a15~0 6)) (not (= ~a21~0 6))) [2024-11-25 03:10:03,374 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2024-11-25 03:10:03,375 INFO L77 FloydHoareUtils]: At program point L199-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 6)) (not (= ~a21~0 6)) (< 0 (+ ~a12~0 43))) [2024-11-25 03:10:03,375 INFO L75 FloydHoareUtils]: For program point L200(line 200) no Hoare annotation was computed. [2024-11-25 03:10:03,375 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-25 03:10:03,375 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:10:03,375 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a15~0 6)) (not (= ~a21~0 6)) (< 0 (+ ~a12~0 43))) [2024-11-25 03:10:03,390 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:10:03 ImpRootNode [2024-11-25 03:10:03,390 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:10:03,391 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:10:03,391 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:10:03,391 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:10:03,392 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:04:00" (3/4) ... [2024-11-25 03:10:03,395 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:10:03,421 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 232 nodes and edges [2024-11-25 03:10:03,423 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-25 03:10:03,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-25 03:10:03,426 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:10:03,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:10:03,620 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:10:03,620 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:10:03,623 INFO L158 Benchmark]: Toolchain (without parser) took 371159.18ms. Allocated memory was 142.6MB in the beginning and 2.2GB in the end (delta: 2.0GB). Free memory was 117.3MB in the beginning and 1.3GB in the end (delta: -1.2GB). Peak memory consumption was 856.0MB. Max. memory is 16.1GB. [2024-11-25 03:10:03,624 INFO L158 Benchmark]: CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:10:03,624 INFO L158 Benchmark]: CACSL2BoogieTranslator took 870.26ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 84.9MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-25 03:10:03,625 INFO L158 Benchmark]: Boogie Procedure Inliner took 132.16ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 75.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:10:03,626 INFO L158 Benchmark]: Boogie Preprocessor took 101.93ms. Allocated memory is still 142.6MB. Free memory was 75.6MB in the beginning and 70.0MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:10:03,627 INFO L158 Benchmark]: RCFGBuilder took 6925.76ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 69.8MB in the beginning and 243.4MB in the end (delta: -173.7MB). Peak memory consumption was 351.8MB. Max. memory is 16.1GB. [2024-11-25 03:10:03,627 INFO L158 Benchmark]: CodeCheck took 362890.05ms. Allocated memory was 620.8MB in the beginning and 2.2GB in the end (delta: 1.5GB). Free memory was 243.4MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 495.7MB. Max. memory is 16.1GB. [2024-11-25 03:10:03,627 INFO L158 Benchmark]: Witness Printer took 229.29ms. Allocated memory is still 2.2GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:10:03,630 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 9 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 362.6s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 156 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 122 mSDsluCounter, 125 SdHoareTripleChecker+Invalid, 3.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 70 mSDsCounter, 68 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 400 IncrementalHoareTripleChecker+Invalid, 468 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 68 mSolverCounterUnsat, 55 mSDtfsCounter, 400 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 526 GetRequests, 457 SyntacticMatches, 9 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1448 ImplicationChecksByTransitivity, 2.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 358.8s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 495 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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 - PositiveResult [Line: 200]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((a24 != 1) || (a15 != 6)) || (a21 != 6)) || (0 < ((long long) a12 + 43))) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a24 != 1) || (a15 != 6)) || (a21 != 6)) || (0 < ((long long) a12 + 43))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33ms. Allocated memory is still 142.6MB. Free memory is still 80.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 870.26ms. Allocated memory is still 142.6MB. Free memory was 117.3MB in the beginning and 84.9MB in the end (delta: 32.4MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 132.16ms. Allocated memory is still 142.6MB. Free memory was 84.9MB in the beginning and 75.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 101.93ms. Allocated memory is still 142.6MB. Free memory was 75.6MB in the beginning and 70.0MB in the end (delta: 5.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6925.76ms. Allocated memory was 142.6MB in the beginning and 620.8MB in the end (delta: 478.2MB). Free memory was 69.8MB in the beginning and 243.4MB in the end (delta: -173.7MB). Peak memory consumption was 351.8MB. Max. memory is 16.1GB. * CodeCheck took 362890.05ms. Allocated memory was 620.8MB in the beginning and 2.2GB in the end (delta: 1.5GB). Free memory was 243.4MB in the beginning and 1.3GB in the end (delta: -1.0GB). Peak memory consumption was 495.7MB. Max. memory is 16.1GB. * Witness Printer took 229.29ms. Allocated memory is still 2.2GB. Free memory was 1.3GB in the beginning and 1.3GB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:10:03,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e9678530-55de-4eb9-b865-d4fca5a2d79e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE