./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label38.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_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/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_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label38.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/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_9921b563-665c-4271-89a1-e7fcccdaafd5/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 f760d06abb26d5723ce99b8dc28d6dd16ec1947aefbd90d28b2817b55d29a0fc --- Real Ultimate output --- This is Ultimate 0.3.0-dev-826ab2b [2024-11-13 16:38:14,776 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-13 16:38:14,872 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-13 16:38:14,879 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-13 16:38:14,880 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-13 16:38:14,918 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-13 16:38:14,919 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-13 16:38:14,920 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-13 16:38:14,921 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-13 16:38:14,921 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-13 16:38:14,921 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-13 16:38:14,922 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-13 16:38:14,922 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-13 16:38:14,923 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-13 16:38:14,923 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-13 16:38:14,923 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-13 16:38:14,923 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-13 16:38:14,924 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-13 16:38:14,924 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-13 16:38:14,924 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-13 16:38:14,924 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-13 16:38:14,924 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-13 16:38:14,925 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-13 16:38:14,925 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-13 16:38:14,925 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-13 16:38:14,925 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-13 16:38:14,925 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-13 16:38:14,925 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:14,926 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-13 16:38:14,926 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-13 16:38:14,926 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-13 16:38:14,926 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-13 16:38:14,927 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-13 16:38:14,927 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_9921b563-665c-4271-89a1-e7fcccdaafd5/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 -> f760d06abb26d5723ce99b8dc28d6dd16ec1947aefbd90d28b2817b55d29a0fc [2024-11-13 16:38:15,295 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-13 16:38:15,307 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-13 16:38:15,314 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-13 16:38:15,315 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-13 16:38:15,318 INFO L274 PluginConnector]: CDTParser initialized [2024-11-13 16:38:15,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/../../sv-benchmarks/c/eca-rers2012/Problem10_label38.c Unable to find full path for "g++" [2024-11-13 16:38:17,348 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-13 16:38:17,735 INFO L384 CDTParser]: Found 1 translation units. [2024-11-13 16:38:17,735 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/sv-benchmarks/c/eca-rers2012/Problem10_label38.c [2024-11-13 16:38:17,760 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/data/110e4943e/5e41f80a49814599ab010c23ea7982cc/FLAG09663e527 [2024-11-13 16:38:17,798 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/data/110e4943e/5e41f80a49814599ab010c23ea7982cc [2024-11-13 16:38:17,801 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-13 16:38:17,804 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-13 16:38:17,807 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:17,807 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-13 16:38:17,813 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-13 16:38:17,814 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,815 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1f53e995 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:17, skipping insertion in model container [2024-11-13 16:38:17,815 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 04:38:17" (1/1) ... [2024-11-13 16:38:17,856 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-13 16:38:18,123 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_9921b563-665c-4271-89a1-e7fcccdaafd5/sv-benchmarks/c/eca-rers2012/Problem10_label38.c[3802,3815] [2024-11-13 16:38:18,298 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:18,311 INFO L200 MainTranslator]: Completed pre-run [2024-11-13 16:38:18,349 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_9921b563-665c-4271-89a1-e7fcccdaafd5/sv-benchmarks/c/eca-rers2012/Problem10_label38.c[3802,3815] [2024-11-13 16:38:18,462 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-13 16:38:18,483 INFO L204 MainTranslator]: Completed translation [2024-11-13 16:38:18,484 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18 WrapperNode [2024-11-13 16:38:18,484 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-13 16:38:18,485 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:18,485 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-13 16:38:18,485 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-13 16:38:18,493 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,516 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,595 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 597 [2024-11-13 16:38:18,596 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-13 16:38:18,596 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-13 16:38:18,596 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-13 16:38:18,597 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-13 16:38:18,605 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,605 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,611 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,611 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,638 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,654 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,662 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,670 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,682 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-13 16:38:18,686 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-13 16:38:18,695 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-13 16:38:18,695 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-13 16:38:18,696 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 04:38:18" (1/1) ... [2024-11-13 16:38:18,706 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-13 16:38:18,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/z3 [2024-11-13 16:38:18,743 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-13 16:38:18,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-13 16:38:18,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-13 16:38:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-13 16:38:18,784 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-13 16:38:18,784 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-13 16:38:18,883 INFO L238 CfgBuilder]: Building ICFG [2024-11-13 16:38:18,886 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-13 16:38:20,656 INFO L? ?]: Removed 84 outVars from TransFormulas that were not future-live. [2024-11-13 16:38:20,657 INFO L287 CfgBuilder]: Performing block encoding [2024-11-13 16:38:24,392 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-13 16:38:24,393 INFO L316 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-13 16:38:24,394 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:24 BoogieIcfgContainer [2024-11-13 16:38:24,394 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-13 16:38:24,395 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-13 16:38:24,395 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-13 16:38:24,408 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-13 16:38:24,408 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:24" (1/1) ... [2024-11-13 16:38:24,421 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-13 16:38:24,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:24,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-13 16:38:24,500 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-13 16:38:24,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-13 16:38:24,503 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:24,505 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:24,996 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 16:38:25,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:25,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2024-11-13 16:38:25,147 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2024-11-13 16:38:25,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-13 16:38:25,147 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:25,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:25,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:39,014 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 16:38:39,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:38:39,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-13 16:38:39,685 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-13 16:38:39,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-13 16:38:39,688 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:38:39,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:38:39,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:38:59,190 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 16:39:00,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:00,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 46 states to 26 states and 46 transitions. [2024-11-13 16:39:00,174 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 46 transitions. [2024-11-13 16:39:00,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:39:00,174 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:00,175 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:11,632 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 16:39:12,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:12,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2024-11-13 16:39:12,930 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2024-11-13 16:39:12,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:39:12,930 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:12,931 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-13 16:39:26,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:26,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 36 states and 67 transitions. [2024-11-13 16:39:26,216 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 67 transitions. [2024-11-13 16:39:26,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-13 16:39:26,218 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:26,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:26,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:38,623 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 1 proven. 17 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-13 16:39:38,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:38,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2024-11-13 16:39:38,959 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2024-11-13 16:39:38,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:39:38,960 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:38,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:39,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:39:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 24 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-13 16:39:52,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:39:52,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 39 states and 70 transitions. [2024-11-13 16:39:52,889 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 70 transitions. [2024-11-13 16:39:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-13 16:39:52,892 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-13 16:39:52,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-13 16:39:53,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-13 16:40:08,124 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-13 16:40:08,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-13 16:40:08,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 24 states and 41 transitions. [2024-11-13 16:40:08,763 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 41 transitions. [2024-11-13 16:40:08,764 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-13 16:40:08,764 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2024-11-13 16:40:08,772 INFO L729 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-13 16:40:09,180 INFO L77 FloydHoareUtils]: At program point L597(line 597) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 4)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-13 16:40:09,181 INFO L77 FloydHoareUtils]: At program point L106-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 4)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-13 16:40:09,181 INFO L77 FloydHoareUtils]: At program point L109-1(lines 30 584) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 4)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-13 16:40:09,181 INFO L75 FloydHoareUtils]: For program point L110(line 110) no Hoare annotation was computed. [2024-11-13 16:40:09,181 INFO L77 FloydHoareUtils]: At program point L586(lines 586 602) the Hoare annotation is: true [2024-11-13 16:40:09,181 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-13 16:40:09,181 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-13 16:40:09,182 INFO L77 FloydHoareUtils]: At program point L592-2(lines 592 601) the Hoare annotation is: (and (= 14 ~a4~0) (= ~a12~0 0) (or (not (= ~a10~0 4)) (< ~a1~0 219) (not (= 7 ~a19~0)))) [2024-11-13 16:40:09,182 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 110) no Hoare annotation was computed. [2024-11-13 16:40:09,194 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 13.11 04:40:09 ImpRootNode [2024-11-13 16:40:09,195 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-13 16:40:09,195 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-13 16:40:09,196 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-13 16:40:09,196 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-13 16:40:09,197 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 04:38:24" (3/4) ... [2024-11-13 16:40:09,201 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-13 16:40:09,231 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 195 nodes and edges [2024-11-13 16:40:09,232 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-11-13 16:40:09,235 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-13 16:40:09,236 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-13 16:40:09,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/witness.graphml [2024-11-13 16:40:09,410 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/bin/ukojak-verify-EEHR8qb7sm/witness.yml [2024-11-13 16:40:09,411 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-13 16:40:09,414 INFO L158 Benchmark]: Toolchain (without parser) took 111607.57ms. Allocated memory was 117.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 92.1MB in the beginning and 1.1GB in the end (delta: -1.0GB). Peak memory consumption was 831.6MB. Max. memory is 16.1GB. [2024-11-13 16:40:09,415 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-13 16:40:09,415 INFO L158 Benchmark]: CACSL2BoogieTranslator took 677.85ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 64.3MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-11-13 16:40:09,416 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.67ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 56.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:09,416 INFO L158 Benchmark]: Boogie Preprocessor took 89.30ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 52.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:09,416 INFO L158 Benchmark]: RCFGBuilder took 5707.53ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 51.9MB in the beginning and 375.0MB in the end (delta: -323.1MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. [2024-11-13 16:40:09,417 INFO L158 Benchmark]: CodeCheck took 104800.07ms. Allocated memory was 511.7MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 375.0MB in the beginning and 1.1GB in the end (delta: -755.6MB). Peak memory consumption was 711.5MB. Max. memory is 16.1GB. [2024-11-13 16:40:09,417 INFO L158 Benchmark]: Witness Printer took 215.33ms. Allocated memory is still 2.0GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-13 16:40:09,419 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: 104.3s, OverallIterations: 9, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 358 SdHoareTripleChecker+Valid, 5.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 302 mSDsluCounter, 314 SdHoareTripleChecker+Invalid, 4.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 188 mSDsCounter, 156 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 856 IncrementalHoareTripleChecker+Invalid, 1012 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 156 mSolverCounterUnsat, 126 mSDtfsCounter, 856 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1171 GetRequests, 1001 SyntacticMatches, 68 SemanticMatches, 102 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4786 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 97.2s InterpolantComputationTime, 120 NumberOfCodeBlocks, 120 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 112 ConstructedInterpolants, 0 QuantifiedInterpolants, 1259 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 64/148 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: 110]: 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)) && (((a10 != 4) || (a1 < 219)) || (7 != a19))) - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((14 == a4) && (a12 == 0)) && (((a10 != 4) || (a1 < 219)) || (7 != a19))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 167.8MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 677.85ms. Allocated memory is still 117.4MB. Free memory was 91.8MB in the beginning and 64.3MB in the end (delta: 27.5MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.67ms. Allocated memory is still 117.4MB. Free memory was 64.3MB in the beginning and 56.6MB in the end (delta: 7.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 89.30ms. Allocated memory is still 117.4MB. Free memory was 56.6MB in the beginning and 52.2MB in the end (delta: 4.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 5707.53ms. Allocated memory was 117.4MB in the beginning and 511.7MB in the end (delta: 394.3MB). Free memory was 51.9MB in the beginning and 375.0MB in the end (delta: -323.1MB). Peak memory consumption was 195.6MB. Max. memory is 16.1GB. * CodeCheck took 104800.07ms. Allocated memory was 511.7MB in the beginning and 2.0GB in the end (delta: 1.5GB). Free memory was 375.0MB in the beginning and 1.1GB in the end (delta: -755.6MB). Peak memory consumption was 711.5MB. Max. memory is 16.1GB. * Witness Printer took 215.33ms. Allocated memory is still 2.0GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-13 16:40:09,453 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_9921b563-665c-4271-89a1-e7fcccdaafd5/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