./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.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_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/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_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/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_1397883c-f31e-47f6-a628-7cd9e43c7c99/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 c9eb90925d47f37111e721f09771224a790dabc9ce225b22a0b9e014b4a14c96 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:07:09,592 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:07:09,684 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:07:09,690 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:07:09,690 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:07:09,716 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:07:09,717 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:07:09,717 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:07:09,717 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:07:09,718 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:07:09,718 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:07:09,718 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:07:09,718 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:07:09,718 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:07:09,719 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:07:09,719 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:07:09,719 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:07:09,719 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:07:09,723 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:07:09,723 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:07:09,723 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:07:09,723 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:07:09,724 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:07:09,724 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:07:09,724 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:07:09,724 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:07:09,724 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:07:09,724 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:07:09,724 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:07:09,724 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:07:09,725 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:07:09,725 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:07:09,725 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:07:09,725 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_1397883c-f31e-47f6-a628-7cd9e43c7c99/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 -> c9eb90925d47f37111e721f09771224a790dabc9ce225b22a0b9e014b4a14c96 [2024-11-25 03:07:10,088 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:07:10,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:07:10,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:07:10,102 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:07:10,103 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:07:10,104 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2024-11-25 03:07:15,427 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/data/e9728af2f/a07db10965714f1fa39af52f0035133b/FLAG631fa673b [2024-11-25 03:07:15,872 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:07:15,873 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/sv-benchmarks/c/eca-rers2012/Problem10_label49.c [2024-11-25 03:07:15,888 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/data/e9728af2f/a07db10965714f1fa39af52f0035133b/FLAG631fa673b [2024-11-25 03:07:15,918 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/data/e9728af2f/a07db10965714f1fa39af52f0035133b [2024-11-25 03:07:15,921 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:07:15,925 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:07:15,927 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:07:15,927 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:07:15,933 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:07:15,934 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:07:15" (1/1) ... [2024-11-25 03:07:15,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@740a9cdb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:15, skipping insertion in model container [2024-11-25 03:07:15,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:07:15" (1/1) ... [2024-11-25 03:07:16,008 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:07:16,264 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_1397883c-f31e-47f6-a628-7cd9e43c7c99/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2024-11-25 03:07:16,468 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:07:16,481 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:07:16,509 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_1397883c-f31e-47f6-a628-7cd9e43c7c99/sv-benchmarks/c/eca-rers2012/Problem10_label49.c[2714,2727] [2024-11-25 03:07:16,645 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:07:16,673 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:07:16,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16 WrapperNode [2024-11-25 03:07:16,674 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:07:16,675 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:07:16,676 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:07:16,677 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:07:16,686 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,713 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,813 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 03:07:16,814 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:07:16,814 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:07:16,815 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:07:16,815 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:07:16,825 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,825 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,836 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,836 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,865 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,868 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,876 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,881 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,885 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,900 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:07:16,900 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:07:16,901 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:07:16,901 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:07:16,902 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:07:16" (1/1) ... [2024-11-25 03:07:16,915 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:07:16,939 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:07:16,956 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:07:16,961 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:07:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:07:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:07:16,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:07:16,999 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:07:17,091 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:07:17,093 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:07:18,894 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 03:07:18,895 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:07:22,478 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:07:22,478 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:07:22,479 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:07:22 BoogieIcfgContainer [2024-11-25 03:07:22,479 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:07:22,480 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:07:22,480 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:07:22,491 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:07:22,492 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:07:22" (1/1) ... [2024-11-25 03:07:22,503 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:07:22,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:22,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 03:07:22,582 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 03:07:22,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:07:22,585 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:22,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:07:22,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:22,884 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 03:07:23,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:23,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 03:07:23,004 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 03:07:23,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:07:23,005 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:23,005 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:07:23,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:07:38,360 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 03:07:38,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:07:38,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-25 03:07:38,913 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-25 03:07:38,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:07:38,916 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:07:38,916 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:07:39,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:02,429 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 03:08:04,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:04,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 30 states and 55 transitions. [2024-11-25 03:08:04,357 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 55 transitions. [2024-11-25 03:08:04,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:08:04,358 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:04,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:25,218 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 03:08:27,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:27,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 36 states and 72 transitions. [2024-11-25 03:08:27,214 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 72 transitions. [2024-11-25 03:08:27,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:08:27,214 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:27,215 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:27,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:40,222 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 03:08:41,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:41,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 42 states and 83 transitions. [2024-11-25 03:08:41,477 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 83 transitions. [2024-11-25 03:08:41,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:08:41,477 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:41,478 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:41,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:08:55,078 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 8 proven. 3 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-25 03:08:55,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:08:55,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 45 states and 86 transitions. [2024-11-25 03:08:55,941 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 86 transitions. [2024-11-25 03:08:55,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:08:55,942 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:08:55,942 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:08:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:09:10,208 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 10 proven. 3 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:09:10,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:09:10,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 33 states and 66 transitions. [2024-11-25 03:09:10,557 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 66 transitions. [2024-11-25 03:09:10,557 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:09:10,558 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-25 03:09:10,565 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:09:11,375 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:09:11,376 INFO L77 FloydHoareUtils]: At program point L76-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:09:11,376 INFO L77 FloydHoareUtils]: At program point L79-1(lines 30 584) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:09:11,376 INFO L75 FloydHoareUtils]: For program point L80(line 80) no Hoare annotation was computed. [2024-11-25 03:09:11,376 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 03:09:11,376 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:09:11,376 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:09:11,376 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (or (not (= ~a10~0 2)) (< 218 ~a1~0) (not (= ~a19~0 8)) (< ~a1~0 39)) (= 14 ~a4~0) (= ~a12~0 0)) [2024-11-25 03:09:11,376 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 80) no Hoare annotation was computed. [2024-11-25 03:09:11,391 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:09:11 ImpRootNode [2024-11-25 03:09:11,391 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:09:11,392 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:09:11,393 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:09:11,393 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:09:11,394 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:07:22" (3/4) ... [2024-11-25 03:09:11,397 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:09:11,431 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-25 03:09:11,436 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 03:09:11,437 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 03:09:11,439 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:09:11,614 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:09:11,615 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:09:11,615 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:09:11,617 INFO L158 Benchmark]: Toolchain (without parser) took 115691.43ms. Allocated memory was 142.6MB in the beginning and 1.9GB in the end (delta: 1.8GB). Free memory was 117.2MB in the beginning and 1.8GB in the end (delta: -1.7GB). Peak memory consumption was 89.8MB. Max. memory is 16.1GB. [2024-11-25 03:09:11,621 INFO L158 Benchmark]: CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:11,621 INFO L158 Benchmark]: CACSL2BoogieTranslator took 747.96ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 90.0MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:09:11,622 INFO L158 Benchmark]: Boogie Procedure Inliner took 138.53ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 82.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:09:11,622 INFO L158 Benchmark]: Boogie Preprocessor took 85.24ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 77.5MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:09:11,622 INFO L158 Benchmark]: RCFGBuilder took 5578.47ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 77.5MB in the beginning and 264.1MB in the end (delta: -186.6MB). Peak memory consumption was 235.1MB. Max. memory is 16.1GB. [2024-11-25 03:09:11,623 INFO L158 Benchmark]: CodeCheck took 108911.85ms. Allocated memory was 427.8MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 264.1MB in the beginning and 1.8GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:09:11,623 INFO L158 Benchmark]: Witness Printer took 222.51ms. Allocated memory is still 1.9GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-25 03:09:11,626 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: 108.0s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 311 SdHoareTripleChecker+Valid, 6.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 271 mSDsluCounter, 307 SdHoareTripleChecker+Invalid, 6.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 186 mSDsCounter, 153 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 832 IncrementalHoareTripleChecker+Invalid, 985 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 153 mSolverCounterUnsat, 121 mSDtfsCounter, 832 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 926 GetRequests, 794 SyntacticMatches, 38 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4311 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 99.7s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 48/86 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: 80]: 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: ((((((a10 != 2) || (218 < a1)) || (a19 != 8)) || (a1 < 39)) && (14 == a4)) && (a12 == 0)) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: ((((((a10 != 2) || (218 < a1)) || (a19 != 8)) || (a1 < 39)) && (14 == a4)) && (a12 == 0)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.37ms. Allocated memory is still 142.6MB. Free memory is still 79.6MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 747.96ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 90.0MB in the end (delta: 27.2MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 138.53ms. Allocated memory is still 142.6MB. Free memory was 89.7MB in the beginning and 82.2MB in the end (delta: 7.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 85.24ms. Allocated memory is still 142.6MB. Free memory was 82.2MB in the beginning and 77.5MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5578.47ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 77.5MB in the beginning and 264.1MB in the end (delta: -186.6MB). Peak memory consumption was 235.1MB. Max. memory is 16.1GB. * CodeCheck took 108911.85ms. Allocated memory was 427.8MB in the beginning and 1.9GB in the end (delta: 1.5GB). Free memory was 264.1MB in the beginning and 1.8GB in the end (delta: -1.5GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 222.51ms. Allocated memory is still 1.9GB. Free memory was 1.8GB in the beginning and 1.8GB in the end (delta: 12.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:09:11,657 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1397883c-f31e-47f6-a628-7cd9e43c7c99/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