./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label18.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_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/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_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/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_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/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 6e8254ecedecc9535504848892d4cb38230112d354b6a5568b33ee9f0c006af3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-25 03:10:49,715 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-25 03:10:49,827 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-25 03:10:49,835 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-25 03:10:49,835 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-25 03:10:49,857 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-25 03:10:49,858 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-25 03:10:49,858 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-25 03:10:49,859 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-25 03:10:49,859 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-25 03:10:49,859 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-25 03:10:49,859 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-25 03:10:49,860 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-25 03:10:49,861 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-25 03:10:49,861 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-25 03:10:49,861 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-25 03:10:49,861 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-25 03:10:49,861 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:10:49,861 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-25 03:10:49,861 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-25 03:10:49,862 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-25 03:10:49,862 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-25 03:10:49,862 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-25 03:10:49,862 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_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/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 -> 6e8254ecedecc9535504848892d4cb38230112d354b6a5568b33ee9f0c006af3 [2024-11-25 03:10:50,187 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-25 03:10:50,198 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-25 03:10:50,203 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-25 03:10:50,205 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-25 03:10:50,205 INFO L274 PluginConnector]: CDTParser initialized [2024-11-25 03:10:50,206 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2024-11-25 03:10:53,568 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/data/1d232970a/b4a086990cae4714975bed4f49efb3e8/FLAGf006397b7 [2024-11-25 03:10:54,187 INFO L384 CDTParser]: Found 1 translation units. [2024-11-25 03:10:54,188 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/sv-benchmarks/c/eca-rers2012/Problem10_label18.c [2024-11-25 03:10:54,222 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/data/1d232970a/b4a086990cae4714975bed4f49efb3e8/FLAGf006397b7 [2024-11-25 03:10:54,256 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/data/1d232970a/b4a086990cae4714975bed4f49efb3e8 [2024-11-25 03:10:54,260 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-25 03:10:54,262 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-25 03:10:54,266 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-25 03:10:54,266 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-25 03:10:54,277 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-25 03:10:54,278 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:54,280 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@19c83f9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54, skipping insertion in model container [2024-11-25 03:10:54,281 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:54,347 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-25 03:10:54,637 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_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681] [2024-11-25 03:10:54,787 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:10:54,796 INFO L200 MainTranslator]: Completed pre-run [2024-11-25 03:10:54,839 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_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/sv-benchmarks/c/eca-rers2012/Problem10_label18.c[6668,6681] [2024-11-25 03:10:54,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-25 03:10:54,918 INFO L204 MainTranslator]: Completed translation [2024-11-25 03:10:54,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54 WrapperNode [2024-11-25 03:10:54,919 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-25 03:10:54,920 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-25 03:10:54,920 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-25 03:10:54,921 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-25 03:10:54,928 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:54,944 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,026 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-25 03:10:55,026 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-25 03:10:55,027 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-25 03:10:55,027 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-25 03:10:55,027 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-25 03:10:55,038 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,039 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,049 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,053 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,100 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,103 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,123 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,134 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,139 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,150 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-25 03:10:55,152 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-25 03:10:55,152 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-25 03:10:55,152 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-25 03:10:55,153 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.11 03:10:54" (1/1) ... [2024-11-25 03:10:55,161 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-25 03:10:55,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-25 03:10:55,198 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-25 03:10:55,204 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-25 03:10:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-25 03:10:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-25 03:10:55,239 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-25 03:10:55,240 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-25 03:10:55,332 INFO L234 CfgBuilder]: Building ICFG [2024-11-25 03:10:55,335 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-25 03:10:57,144 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-25 03:10:57,145 INFO L283 CfgBuilder]: Performing block encoding [2024-11-25 03:11:00,672 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-25 03:11:00,672 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-25 03:11:00,673 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:11:00 BoogieIcfgContainer [2024-11-25 03:11:00,673 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-25 03:11:00,674 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-25 03:11:00,675 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-25 03:11:00,690 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-25 03:11:00,690 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:11:00" (1/1) ... [2024-11-25 03:11:00,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-25 03:11:00,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:00,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-25 03:11:00,787 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-25 03:11:00,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-25 03:11:00,790 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:00,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:00,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:01,191 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 03:11:01,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:01,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-25 03:11:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-25 03:11:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-25 03:11:01,297 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:01,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:18,360 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 03:11:18,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:18,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 19 states and 27 transitions. [2024-11-25 03:11:18,838 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 27 transitions. [2024-11-25 03:11:18,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:11:18,841 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:18,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:19,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:11:41,400 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 03:11:42,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:11:42,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2024-11-25 03:11:42,321 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2024-11-25 03:11:42,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-25 03:11:42,323 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:11:42,324 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:11:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:07,440 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 03:12:08,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:08,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59 states to 32 states and 59 transitions. [2024-11-25 03:12:08,829 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 59 transitions. [2024-11-25 03:12:08,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:12:08,830 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:08,830 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:12:09,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:12:20,131 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 03:12:21,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:12:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 36 states and 66 transitions. [2024-11-25 03:12:21,231 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 66 transitions. [2024-11-25 03:12:21,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:12:21,232 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:12:21,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:12:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:14:58,676 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-25 03:14:59,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:14:59,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 39 states and 69 transitions. [2024-11-25 03:14:59,021 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 69 transitions. [2024-11-25 03:14:59,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-25 03:14:59,022 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-25 03:14:59,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-25 03:14:59,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-25 03:15:10,775 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 03:15:11,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-25 03:15:11,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 29 states and 53 transitions. [2024-11-25 03:15:11,193 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 53 transitions. [2024-11-25 03:15:11,193 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-25 03:15:11,194 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2024-11-25 03:15:11,205 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-25 03:15:11,752 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)) (not (= ~a10~0 4)) (< ~a1~0 219))) [2024-11-25 03:15:11,752 INFO L77 FloydHoareUtils]: At program point L184-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (not (= ~a10~0 4)) (< ~a1~0 219))) [2024-11-25 03:15:11,753 INFO L77 FloydHoareUtils]: At program point L187-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a19~0 6)) (not (= ~a10~0 4)) (< ~a1~0 219))) [2024-11-25 03:15:11,753 INFO L75 FloydHoareUtils]: For program point L188(line 188) no Hoare annotation was computed. [2024-11-25 03:15:11,753 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-25 03:15:11,753 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-25 03:15:11,753 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-25 03:15:11,753 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)) (not (= ~a10~0 4)) (< ~a1~0 219))) [2024-11-25 03:15:11,753 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2024-11-25 03:15:11,772 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 25.11 03:15:11 ImpRootNode [2024-11-25 03:15:11,772 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-25 03:15:11,773 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-25 03:15:11,773 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-25 03:15:11,774 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-25 03:15:11,775 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.11 03:11:00" (3/4) ... [2024-11-25 03:15:11,778 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-25 03:15:11,802 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 196 nodes and edges [2024-11-25 03:15:11,803 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-25 03:15:11,805 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-25 03:15:11,806 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-25 03:15:11,992 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-25 03:15:11,993 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-25 03:15:11,993 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-25 03:15:11,998 INFO L158 Benchmark]: Toolchain (without parser) took 257732.16ms. Allocated memory was 117.4MB in the beginning and 1.8GB in the end (delta: 1.7GB). Free memory was 91.8MB in the beginning and 1.0GB in the end (delta: -925.8MB). Peak memory consumption was 730.5MB. Max. memory is 16.1GB. [2024-11-25 03:15:11,998 INFO L158 Benchmark]: CDTParser took 1.68ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-25 03:15:11,999 INFO L158 Benchmark]: CACSL2BoogieTranslator took 654.03ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 64.8MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-25 03:15:11,999 INFO L158 Benchmark]: Boogie Procedure Inliner took 106.27ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 57.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:15:11,999 INFO L158 Benchmark]: Boogie Preprocessor took 122.72ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 52.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:15:12,000 INFO L158 Benchmark]: RCFGBuilder took 5521.57ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 52.4MB in the beginning and 384.6MB in the end (delta: -332.3MB). Peak memory consumption was 194.9MB. Max. memory is 16.1GB. [2024-11-25 03:15:12,000 INFO L158 Benchmark]: CodeCheck took 251097.93ms. Allocated memory was 511.7MB in the beginning and 1.8GB in the end (delta: 1.3GB). Free memory was 384.6MB in the beginning and 1.0GB in the end (delta: -645.4MB). Peak memory consumption was 620.3MB. Max. memory is 16.1GB. [2024-11-25 03:15:12,000 INFO L158 Benchmark]: Witness Printer took 220.16ms. Allocated memory is still 1.8GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-25 03:15:12,006 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: 250.5s, OverallIterations: 8, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 289 SdHoareTripleChecker+Valid, 4.7s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 236 mSDsluCounter, 265 SdHoareTripleChecker+Invalid, 4.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 158 mSDsCounter, 109 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 645 IncrementalHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 109 mSolverCounterUnsat, 107 mSDtfsCounter, 645 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 864 GetRequests, 744 SyntacticMatches, 42 SemanticMatches, 78 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3032 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 244.3s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 84 ConstructedInterpolants, 0 QuantifiedInterpolants, 1004 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 36/86 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: 188]: 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) || (a10 != 4)) || (a1 < 219))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && (((a19 != 6) || (a10 != 4)) || (a1 < 219))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.68ms. Allocated memory is still 167.8MB. Free memory is still 105.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 654.03ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 64.8MB in the end (delta: 27.0MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 106.27ms. Allocated memory is still 117.4MB. Free memory was 64.8MB in the beginning and 57.1MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 122.72ms. Allocated memory is still 117.4MB. Free memory was 57.1MB in the beginning and 52.4MB in the end (delta: 4.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5521.57ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 52.4MB in the beginning and 384.6MB in the end (delta: -332.3MB). Peak memory consumption was 194.9MB. Max. memory is 16.1GB. * CodeCheck took 251097.93ms. Allocated memory was 511.7MB in the beginning and 1.8GB in the end (delta: 1.3GB). Free memory was 384.6MB in the beginning and 1.0GB in the end (delta: -645.4MB). Peak memory consumption was 620.3MB. Max. memory is 16.1GB. * Witness Printer took 220.16ms. Allocated memory is still 1.8GB. Free memory was 1.0GB in the beginning and 1.0GB in the end (delta: 12.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-25 03:15:12,036 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cf896d6c-0aec-4926-81ce-8aa3c35b59a1/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE