./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.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_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/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_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/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_c7c883f8-7dea-47c5-b4a6-c055e6475c26/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 05304907b173f35ae86ead9bea08abf85c97bbd94fd3cf389c54ce6fac582ae4 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 03:32:54,690 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 03:32:54,748 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 03:32:54,753 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 03:32:54,753 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 03:32:54,774 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 03:32:54,775 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 03:32:54,775 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 03:32:54,775 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 03:32:54,775 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 03:32:54,775 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 03:32:54,775 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 03:32:54,776 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 03:32:54,777 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 03:32:54,777 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 03:32:54,777 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 03:32:54,777 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 03:32:54,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:32:54,777 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 03:32:54,777 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 03:32:54,777 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 03:32:54,777 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 03:32:54,777 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 03:32:54,777 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_c7c883f8-7dea-47c5-b4a6-c055e6475c26/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 -> 05304907b173f35ae86ead9bea08abf85c97bbd94fd3cf389c54ce6fac582ae4 [2024-12-06 03:32:55,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 03:32:55,036 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 03:32:55,038 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 03:32:55,039 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 03:32:55,040 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 03:32:55,041 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2024-12-06 03:32:57,715 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/data/3e494b2a2/c1c25b436c7f440aa044b68ce6b6cd2b/FLAGe186f15d3 [2024-12-06 03:32:57,955 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 03:32:57,956 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/sv-benchmarks/c/eca-rers2012/Problem10_label11.c [2024-12-06 03:32:57,968 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/data/3e494b2a2/c1c25b436c7f440aa044b68ce6b6cd2b/FLAGe186f15d3 [2024-12-06 03:32:58,264 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/data/3e494b2a2/c1c25b436c7f440aa044b68ce6b6cd2b [2024-12-06 03:32:58,266 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 03:32:58,267 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 03:32:58,268 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 03:32:58,268 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 03:32:58,272 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 03:32:58,273 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,273 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42abd6f1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58, skipping insertion in model container [2024-12-06 03:32:58,274 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,300 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 03:32:58,479 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_c7c883f8-7dea-47c5-b4a6-c055e6475c26/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2024-12-06 03:32:58,565 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:32:58,574 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 03:32:58,600 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_c7c883f8-7dea-47c5-b4a6-c055e6475c26/sv-benchmarks/c/eca-rers2012/Problem10_label11.c[6968,6981] [2024-12-06 03:32:58,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 03:32:58,667 INFO L204 MainTranslator]: Completed translation [2024-12-06 03:32:58,667 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58 WrapperNode [2024-12-06 03:32:58,667 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 03:32:58,668 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 03:32:58,668 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 03:32:58,669 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 03:32:58,675 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,688 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,735 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-12-06 03:32:58,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 03:32:58,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 03:32:58,737 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 03:32:58,737 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 03:32:58,744 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,744 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,749 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,750 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,770 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,773 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,779 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,784 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,787 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,794 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 03:32:58,795 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 03:32:58,795 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 03:32:58,795 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 03:32:58,796 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 03:32:58" (1/1) ... [2024-12-06 03:32:58,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 03:32:58,812 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 03:32:58,824 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 03:32:58,827 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 03:32:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 03:32:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 03:32:58,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 03:32:58,853 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 03:32:58,908 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 03:32:58,910 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 03:32:59,824 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-12-06 03:32:59,824 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 03:33:01,564 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 03:33:01,564 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 03:33:01,564 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:01 BoogieIcfgContainer [2024-12-06 03:33:01,564 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 03:33:01,565 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 03:33:01,565 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 03:33:01,572 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 03:33:01,572 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:01" (1/1) ... [2024-12-06 03:33:01,580 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 03:33:01,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-06 03:33:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-06 03:33:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-06 03:33:01,624 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:01,625 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:01,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:01,836 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:01,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-06 03:33:01,916 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-06 03:33:01,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-06 03:33:01,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:01,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:02,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:10,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:10,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:10,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-06 03:33:10,380 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-06 03:33:10,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:33:10,382 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:10,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:10,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:24,281 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:25,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:25,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-12-06 03:33:25,159 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-12-06 03:33:25,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-06 03:33:25,160 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:25,160 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:25,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:37,484 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 03:33:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:37,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 33 states and 59 transitions. [2024-12-06 03:33:37,737 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 59 transitions. [2024-12-06 03:33:37,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:33:37,738 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:37,738 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:37,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 03:33:47,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:47,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 37 states and 66 transitions. [2024-12-06 03:33:47,693 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 66 transitions. [2024-12-06 03:33:47,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-06 03:33:47,693 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 03:33:47,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 03:33:47,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 03:33:55,966 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-06 03:33:56,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 03:33:56,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2024-12-06 03:33:56,125 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2024-12-06 03:33:56,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-06 03:33:56,125 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-06 03:33:56,131 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-06 03:33:56,403 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (< 0 (+ ~a1~0 13)) (not (= ~a10~0 3)))) [2024-12-06 03:33:56,403 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-12-06 03:33:56,403 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-06 03:33:56,403 INFO L77 FloydHoareUtils]: At program point L193-1(lines 30 584) the Hoare annotation is: (let ((.cse0 (= 14 ~a4~0)) (.cse1 (= ~a12~0 0))) (or (and (not (= ~a19~0 6)) .cse0 .cse1) (and .cse0 .cse1 (not (= ~a10~0 0)) (not (= ~a10~0 3))))) [2024-12-06 03:33:56,403 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-06 03:33:56,404 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (< 0 (+ ~a1~0 13)) (not (= ~a10~0 3)))) [2024-12-06 03:33:56,404 INFO L77 FloydHoareUtils]: At program point L196-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (not (= ~a10~0 3)))) [2024-12-06 03:33:56,404 INFO L75 FloydHoareUtils]: For program point L197(line 197) no Hoare annotation was computed. [2024-12-06 03:33:56,404 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 197) no Hoare annotation was computed. [2024-12-06 03:33:56,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 06.12 03:33:56 ImpRootNode [2024-12-06 03:33:56,412 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-06 03:33:56,413 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-06 03:33:56,413 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-06 03:33:56,413 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-06 03:33:56,413 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 03:33:01" (3/4) ... [2024-12-06 03:33:56,415 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-06 03:33:56,423 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-12-06 03:33:56,423 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-12-06 03:33:56,424 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-06 03:33:56,425 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-06 03:33:56,525 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-06 03:33:56,525 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-06 03:33:56,525 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-06 03:33:56,526 INFO L158 Benchmark]: Toolchain (without parser) took 58259.24ms. Allocated memory was 142.6MB in the beginning and 1.7GB in the end (delta: 1.5GB). Free memory was 115.2MB in the beginning and 711.5MB in the end (delta: -596.2MB). Peak memory consumption was 935.2MB. Max. memory is 16.1GB. [2024-12-06 03:33:56,527 INFO L158 Benchmark]: CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-06 03:33:56,527 INFO L158 Benchmark]: CACSL2BoogieTranslator took 399.90ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 88.0MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-06 03:33:56,527 INFO L158 Benchmark]: Boogie Procedure Inliner took 67.66ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 80.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:33:56,528 INFO L158 Benchmark]: Boogie Preprocessor took 57.96ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 75.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:33:56,528 INFO L158 Benchmark]: RCFGBuilder took 2769.46ms. Allocated memory was 142.6MB in the beginning and 461.4MB in the end (delta: 318.8MB). Free memory was 75.9MB in the beginning and 299.4MB in the end (delta: -223.5MB). Peak memory consumption was 160.0MB. Max. memory is 16.1GB. [2024-12-06 03:33:56,528 INFO L158 Benchmark]: CodeCheck took 54847.11ms. Allocated memory was 461.4MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 299.4MB in the beginning and 723.8MB in the end (delta: -424.4MB). Peak memory consumption was 793.2MB. Max. memory is 16.1GB. [2024-12-06 03:33:56,529 INFO L158 Benchmark]: Witness Printer took 112.69ms. Allocated memory is still 1.7GB. Free memory was 723.8MB in the beginning and 711.5MB in the end (delta: 12.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-06 03:33:56,531 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: 54.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 217 SdHoareTripleChecker+Valid, 2.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 184 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 2.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 105 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 545 IncrementalHoareTripleChecker+Invalid, 650 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 105 mSolverCounterUnsat, 84 mSDtfsCounter, 545 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 734 GetRequests, 619 SyntacticMatches, 31 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3245 ImplicationChecksByTransitivity, 2.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 51.6s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 809 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 30/65 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: 197]: 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: 592]: Loop Invariant Derived loop invariant: (((14 == a4) && (a12 == 0)) && (((a19 != 6) || (0 < ((long long) a1 + 13))) || (a10 != 3))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && ((a19 != 6) || (a10 != 3))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30ms. Allocated memory is still 142.6MB. Free memory is still 83.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 399.90ms. Allocated memory is still 142.6MB. Free memory was 115.1MB in the beginning and 88.0MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 67.66ms. Allocated memory is still 142.6MB. Free memory was 88.0MB in the beginning and 80.4MB in the end (delta: 7.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.96ms. Allocated memory is still 142.6MB. Free memory was 80.4MB in the beginning and 75.9MB in the end (delta: 4.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 2769.46ms. Allocated memory was 142.6MB in the beginning and 461.4MB in the end (delta: 318.8MB). Free memory was 75.9MB in the beginning and 299.4MB in the end (delta: -223.5MB). Peak memory consumption was 160.0MB. Max. memory is 16.1GB. * CodeCheck took 54847.11ms. Allocated memory was 461.4MB in the beginning and 1.7GB in the end (delta: 1.2GB). Free memory was 299.4MB in the beginning and 723.8MB in the end (delta: -424.4MB). Peak memory consumption was 793.2MB. Max. memory is 16.1GB. * Witness Printer took 112.69ms. Allocated memory is still 1.7GB. Free memory was 723.8MB in the beginning and 711.5MB 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! [2024-12-06 03:33:56,549 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_c7c883f8-7dea-47c5-b4a6-c055e6475c26/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 Writing output log to file Ultimate.log Result: TRUE