./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 826ab2ba Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label20.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm --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 cc39b25e5d6bf00ba7a149cc452827f6c69f8a46e091e8e5858372a0b5fafb1a --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 22:07:12,655 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 22:07:12,757 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 22:07:12,765 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 22:07:12,765 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 22:07:12,801 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 22:07:12,803 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 22:07:12,803 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 22:07:12,804 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 22:07:12,804 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 22:07:12,804 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 22:07:12,804 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 22:07:12,804 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 22:07:12,804 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 22:07:12,805 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 22:07:12,805 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 22:07:12,805 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 22:07:12,805 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 22:07:12,805 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 22:07:12,805 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 22:07:12,805 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 22:07:12,805 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 22:07:12,805 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 22:07:12,806 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 22:07:12,806 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 22:07:12,806 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 22:07:12,806 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 22:07:12,808 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:07:12,808 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 22:07:12,808 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 22:07:12,808 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 22:07:12,809 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 22:07:12,809 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 22:07:12,809 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_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm 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 -> cc39b25e5d6bf00ba7a149cc452827f6c69f8a46e091e8e5858372a0b5fafb1a [2024-11-13 22:07:13,101 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 22:07:13,111 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 22:07:13,116 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 22:07:13,118 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 22:07:13,119 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 22:07:13,120 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem14_label20.c Unable to find full path for "g++" [2024-11-13 22:07:15,012 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 22:07:15,380 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 22:07:15,381 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/sv-benchmarks/c/eca-rers2012/Problem14_label20.c [2024-11-13 22:07:15,396 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/data/2dc377685/9ed4993977f94925b73fab639ae90e2c/FLAGb3702b038 [2024-11-13 22:07:15,426 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/data/2dc377685/9ed4993977f94925b73fab639ae90e2c [2024-11-13 22:07:15,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 22:07:15,431 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 22:07:15,433 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 22:07:15,433 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 22:07:15,441 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 22:07:15,442 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:07:15" (1/1) ... [2024-11-13 22:07:15,443 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@78f862e2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:15, skipping insertion in model container [2024-11-13 22:07:15,443 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 10:07:15" (1/1) ... [2024-11-13 22:07:15,481 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 22:07:15,721 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_10170b85-060c-40ea-af81-1e86ef5fa048/sv-benchmarks/c/eca-rers2012/Problem14_label20.c[6130,6143] [2024-11-13 22:07:16,077 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:07:16,091 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 22:07:16,146 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_10170b85-060c-40ea-af81-1e86ef5fa048/sv-benchmarks/c/eca-rers2012/Problem14_label20.c[6130,6143] [2024-11-13 22:07:16,276 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 22:07:16,296 INFO L204 MainTranslator]: Completed translation [2024-11-13 22:07:16,297 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16 WrapperNode [2024-11-13 22:07:16,297 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 22:07:16,299 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 22:07:16,299 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 22:07:16,299 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 22:07:16,308 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,329 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,447 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-13 22:07:16,450 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 22:07:16,450 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 22:07:16,451 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 22:07:16,451 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 22:07:16,461 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,461 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,470 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,470 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,504 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,515 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,529 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,535 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,561 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 22:07:16,562 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 22:07:16,563 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 22:07:16,563 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 22:07:16,567 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 10:07:16" (1/1) ... [2024-11-13 22:07:16,577 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 22:07:16,594 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 22:07:16,616 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 22:07:16,622 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 22:07:16,658 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 22:07:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 22:07:16,659 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 22:07:16,659 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 22:07:16,764 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 22:07:16,766 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 22:07:18,677 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-13 22:07:18,677 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 22:07:23,573 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 22:07:23,573 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 22:07:23,574 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:07:23 BoogieIcfgContainer [2024-11-13 22:07:23,574 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 22:07:23,576 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 22:07:23,576 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 22:07:23,587 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 22:07:23,588 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:07:23" (1/1) ... [2024-11-13 22:07:23,597 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 22:07:23,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:23,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 22:07:23,650 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 22:07:23,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 22:07:23,653 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:23,654 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:23,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:23,945 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:24,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:24,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-13 22:07:24,090 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-13 22:07:24,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 22:07:24,090 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:24,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:24,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:07:47,891 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:07:48,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:07:48,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-11-13 22:07:48,357 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-11-13 22:07:48,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 22:07:48,361 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:07:48,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:07:48,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:24,958 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-13 22:08:25,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:25,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 27 states and 43 transitions. [2024-11-13 22:08:25,562 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 43 transitions. [2024-11-13 22:08:25,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 22:08:25,563 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 22:08:25,563 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 22:08:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 22:08:47,352 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 22:08:47,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 22:08:47,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2024-11-13 22:08:47,700 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2024-11-13 22:08:47,701 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 22:08:47,701 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2024-11-13 22:08:47,712 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 22:08:47,949 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (not (= ~a15~0 6))) [2024-11-13 22:08:47,950 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 22:08:47,950 INFO L77 FloydHoareUtils]: At program point L190-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (not (= ~a15~0 6))) [2024-11-13 22:08:47,950 INFO L77 FloydHoareUtils]: At program point L193-1(lines 30 882) the Hoare annotation is: (or (and (<= ~a12~0 11) (<= 0 (+ ~a12~0 42))) (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (not (= ~a15~0 6))) [2024-11-13 22:08:47,953 INFO L75 FloydHoareUtils]: For program point L194(line 194) no Hoare annotation was computed. [2024-11-13 22:08:47,953 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 194) no Hoare annotation was computed. [2024-11-13 22:08:47,953 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-13 22:08:47,953 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 22:08:47,953 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= 7 ~a21~0)) (not (= ~a15~0 6))) [2024-11-13 22:08:47,971 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 10:08:47 ImpRootNode [2024-11-13 22:08:47,973 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 22:08:47,974 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 22:08:47,974 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 22:08:47,974 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 22:08:47,975 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 10:07:23" (3/4) ... [2024-11-13 22:08:47,977 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 22:08:48,005 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2024-11-13 22:08:48,006 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-13 22:08:48,007 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 22:08:48,009 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 22:08:48,208 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 22:08:48,209 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 22:08:48,209 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 22:08:48,212 INFO L158 Benchmark]: Toolchain (without parser) took 92778.91ms. Allocated memory was 142.6MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 117.4MB in the beginning and 2.6GB in the end (delta: -2.4GB). Peak memory consumption was 143.7MB. Max. memory is 16.1GB. [2024-11-13 22:08:48,212 INFO L158 Benchmark]: CDTParser took 2.00ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:48,212 INFO L158 Benchmark]: CACSL2BoogieTranslator took 865.05ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 85.9MB in the end (delta: 31.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-13 22:08:48,213 INFO L158 Benchmark]: Boogie Procedure Inliner took 151.25ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 76.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:08:48,213 INFO L158 Benchmark]: Boogie Preprocessor took 111.21ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 70.7MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 22:08:48,214 INFO L158 Benchmark]: RCFGBuilder took 7011.47ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 70.7MB in the beginning and 321.1MB in the end (delta: -250.4MB). Peak memory consumption was 311.9MB. Max. memory is 16.1GB. [2024-11-13 22:08:48,214 INFO L158 Benchmark]: CodeCheck took 84397.24ms. Allocated memory was 704.6MB in the beginning and 2.7GB in the end (delta: 2.0GB). Free memory was 321.1MB in the beginning and 2.6GB in the end (delta: -2.3GB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 22:08:48,214 INFO L158 Benchmark]: Witness Printer took 235.37ms. Allocated memory is still 2.7GB. Free memory was 2.6GB in the beginning and 2.6GB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-13 22:08:48,216 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: 84.1s, OverallIterations: 5, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 93 SdHoareTripleChecker+Valid, 1.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 75 mSDsluCounter, 94 SdHoareTripleChecker+Invalid, 1.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 52 mSDsCounter, 48 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 221 IncrementalHoareTripleChecker+Invalid, 269 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 48 mSolverCounterUnsat, 42 mSDtfsCounter, 221 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 376 GetRequests, 334 SyntacticMatches, 4 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 661 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 81.6s InterpolantComputationTime, 44 NumberOfCodeBlocks, 44 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 40 ConstructedInterpolants, 0 QuantifiedInterpolants, 288 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 21/34 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 - PositiveResult [Line: 194]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a12 <= 11) && (0 <= ((long long) a12 + 42))) || (a24 != 1)) || (7 != a21)) || (a15 != 6)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((a24 != 1) || (7 != a21)) || (a15 != 6)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 2.00ms. Allocated memory is still 142.6MB. Free memory is still 80.2MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 865.05ms. Allocated memory is still 142.6MB. Free memory was 117.2MB in the beginning and 85.9MB in the end (delta: 31.3MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 151.25ms. Allocated memory is still 142.6MB. Free memory was 85.9MB in the beginning and 76.5MB in the end (delta: 9.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 111.21ms. Allocated memory is still 142.6MB. Free memory was 76.5MB in the beginning and 70.7MB in the end (delta: 5.8MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 7011.47ms. Allocated memory was 142.6MB in the beginning and 704.6MB in the end (delta: 562.0MB). Free memory was 70.7MB in the beginning and 321.1MB in the end (delta: -250.4MB). Peak memory consumption was 311.9MB. Max. memory is 16.1GB. * CodeCheck took 84397.24ms. Allocated memory was 704.6MB in the beginning and 2.7GB in the end (delta: 2.0GB). Free memory was 321.1MB in the beginning and 2.6GB in the end (delta: -2.3GB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 235.37ms. Allocated memory is still 2.7GB. Free memory was 2.6GB in the beginning and 2.6GB in the end (delta: 16.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 22:08:48,253 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_10170b85-060c-40ea-af81-1e86ef5fa048/bin/ukojak-verify-EEHR8qb7sm/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