./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.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_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/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_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/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_1125ffa3-3de7-420d-8474-1070e3a5f27e/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 d4466c84cf3346dae2c632daaf2229efd1401f42fa973f4243eec5185ec47b02 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-24 18:18:52,937 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 18:18:53,017 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-24 18:18:53,023 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 18:18:53,023 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-24 18:18:53,060 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 18:18:53,061 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 18:18:53,061 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-24 18:18:53,061 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 18:18:53,061 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 18:18:53,062 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 18:18:53,062 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 18:18:53,062 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 18:18:53,062 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 18:18:53,062 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 18:18:53,062 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 18:18:53,062 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 18:18:53,062 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 18:18:53,063 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 18:18:53,063 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 18:18:53,063 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 18:18:53,063 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 18:18:53,063 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 18:18:53,066 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-24 18:18:53,066 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-24 18:18:53,066 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-24 18:18:53,067 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 18:18:53,067 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:18:53,067 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 18:18:53,067 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 18:18:53,068 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 18:18:53,068 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-24 18:18:53,068 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 18:18:53,068 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_1125ffa3-3de7-420d-8474-1070e3a5f27e/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 -> d4466c84cf3346dae2c632daaf2229efd1401f42fa973f4243eec5185ec47b02 [2024-11-24 18:18:53,428 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 18:18:53,440 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 18:18:53,443 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 18:18:53,445 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 18:18:53,447 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 18:18:53,448 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/../../sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2024-11-24 18:18:56,658 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/data/93da939bb/2b630f41919d43d6b23ea62ff7c7b52c/FLAG0ccebc284 [2024-11-24 18:18:57,045 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 18:18:57,045 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/sv-benchmarks/c/eca-rers2012/Problem14_label03.c [2024-11-24 18:18:57,061 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/data/93da939bb/2b630f41919d43d6b23ea62ff7c7b52c/FLAG0ccebc284 [2024-11-24 18:18:57,077 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/data/93da939bb/2b630f41919d43d6b23ea62ff7c7b52c [2024-11-24 18:18:57,079 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 18:18:57,080 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 18:18:57,081 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 18:18:57,081 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 18:18:57,085 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 18:18:57,085 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:57,086 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67ca6784 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57, skipping insertion in model container [2024-11-24 18:18:57,086 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:57,137 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 18:18:57,373 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_1125ffa3-3de7-420d-8474-1070e3a5f27e/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2024-11-24 18:18:57,646 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:18:57,656 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 18:18:57,696 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_1125ffa3-3de7-420d-8474-1070e3a5f27e/sv-benchmarks/c/eca-rers2012/Problem14_label03.c[5277,5290] [2024-11-24 18:18:57,819 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 18:18:57,836 INFO L204 MainTranslator]: Completed translation [2024-11-24 18:18:57,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57 WrapperNode [2024-11-24 18:18:57,837 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 18:18:57,838 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 18:18:57,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 18:18:57,839 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 18:18:57,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:57,873 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:57,966 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-11-24 18:18:57,967 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 18:18:57,968 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 18:18:57,968 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 18:18:57,969 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 18:18:57,976 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:57,977 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:57,988 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:57,989 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:58,037 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:58,049 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:58,064 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:58,078 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:58,084 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:58,100 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 18:18:58,102 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 18:18:58,102 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 18:18:58,103 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 18:18:58,105 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 06:18:57" (1/1) ... [2024-11-24 18:18:58,111 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-24 18:18:58,131 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/z3 [2024-11-24 18:18:58,147 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-24 18:18:58,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-24 18:18:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 18:18:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-24 18:18:58,182 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 18:18:58,182 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 18:18:58,258 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 18:18:58,296 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 18:18:59,878 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-11-24 18:18:59,878 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 18:19:04,936 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 18:19:04,936 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-24 18:19:04,936 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:04 BoogieIcfgContainer [2024-11-24 18:19:04,937 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 18:19:04,937 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-11-24 18:19:04,938 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-11-24 18:19:04,945 INFO L274 PluginConnector]: CodeCheck initialized [2024-11-24 18:19:04,945 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:04" (1/1) ... [2024-11-24 18:19:04,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 18:19:04,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:04,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-11-24 18:19:04,996 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-11-24 18:19:04,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 18:19:04,998 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:04,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:05,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:05,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:19:05,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-11-24 18:19:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-11-24 18:19:05,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-24 18:19:05,424 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:05,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:19:29,179 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:19:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:19:29,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-11-24 18:19:29,937 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-11-24 18:19:29,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:19:29,939 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:19:29,939 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:19:30,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:20:16,482 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:20:17,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:20:17,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 30 states and 53 transitions. [2024-11-24 18:20:17,946 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 53 transitions. [2024-11-24 18:20:17,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 18:20:17,946 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:20:17,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:20:18,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:21:01,808 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:21:02,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:21:02,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2024-11-24 18:21:02,994 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2024-11-24 18:21:02,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:21:02,995 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:21:02,995 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:21:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:35,598 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 18:22:37,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:37,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 48 states and 93 transitions. [2024-11-24 18:22:37,730 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 93 transitions. [2024-11-24 18:22:37,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-24 18:22:37,731 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-11-24 18:22:37,731 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 18:22:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 18:22:59,040 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-24 18:22:59,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-11-24 18:22:59,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 46 states and 91 transitions. [2024-11-24 18:22:59,503 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 91 transitions. [2024-11-24 18:22:59,504 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-24 18:22:59,504 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-11-24 18:22:59,516 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-11-24 18:22:59,897 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a21~0 10)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-24 18:22:59,897 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-11-24 18:22:59,897 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 167) no Hoare annotation was computed. [2024-11-24 18:22:59,898 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-11-24 18:22:59,898 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-11-24 18:22:59,898 INFO L77 FloydHoareUtils]: At program point L163-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a21~0 10)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-24 18:22:59,898 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a21~0 10)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-24 18:22:59,898 INFO L77 FloydHoareUtils]: At program point L166-1(lines 30 882) the Hoare annotation is: (or (not (= ~a24~0 1)) (not (= ~a21~0 10)) (< 0 (+ ~a12~0 43)) (not (= 5 ~a15~0))) [2024-11-24 18:22:59,898 INFO L75 FloydHoareUtils]: For program point L167(line 167) no Hoare annotation was computed. [2024-11-24 18:22:59,912 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 24.11 06:22:59 ImpRootNode [2024-11-24 18:22:59,912 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-11-24 18:22:59,913 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 18:22:59,913 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 18:22:59,913 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 18:22:59,914 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 06:19:04" (3/4) ... [2024-11-24 18:22:59,916 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-11-24 18:22:59,934 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2024-11-24 18:22:59,935 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-24 18:22:59,936 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-24 18:22:59,938 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-24 18:23:00,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/witness.graphml [2024-11-24 18:23:00,088 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/witness.yml [2024-11-24 18:23:00,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 18:23:00,089 INFO L158 Benchmark]: Toolchain (without parser) took 243009.04ms. Allocated memory was 117.4MB in the beginning and 2.0GB in the end (delta: 1.9GB). Free memory was 90.9MB in the beginning and 801.6MB in the end (delta: -710.7MB). Peak memory consumption was 1.2GB. Max. memory is 16.1GB. [2024-11-24 18:23:00,090 INFO L158 Benchmark]: CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 18:23:00,091 INFO L158 Benchmark]: CACSL2BoogieTranslator took 756.08ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 58.9MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-11-24 18:23:00,092 INFO L158 Benchmark]: Boogie Procedure Inliner took 129.36ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 49.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:23:00,092 INFO L158 Benchmark]: Boogie Preprocessor took 131.96ms. Allocated memory is still 117.4MB. Free memory was 49.6MB in the beginning and 43.9MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 18:23:00,093 INFO L158 Benchmark]: RCFGBuilder took 6834.74ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 43.7MB in the beginning and 321.9MB in the end (delta: -278.2MB). Peak memory consumption was 345.5MB. Max. memory is 16.1GB. [2024-11-24 18:23:00,095 INFO L158 Benchmark]: CodeCheck took 234974.77ms. Allocated memory was 604.0MB in the beginning and 2.0GB in the end (delta: 1.4GB). Free memory was 321.9MB in the beginning and 818.2MB in the end (delta: -496.3MB). Peak memory consumption was 917.0MB. Max. memory is 16.1GB. [2024-11-24 18:23:00,095 INFO L158 Benchmark]: Witness Printer took 175.77ms. Allocated memory is still 2.0GB. Free memory was 818.2MB in the beginning and 801.6MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-11-24 18:23:00,100 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: 234.5s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 271 SdHoareTripleChecker+Valid, 5.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 238 mSDsluCounter, 252 SdHoareTripleChecker+Invalid, 5.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 152 mSDsCounter, 135 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 713 IncrementalHoareTripleChecker+Invalid, 848 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 135 mSolverCounterUnsat, 100 mSDtfsCounter, 713 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 751 GetRequests, 641 SyntacticMatches, 10 SemanticMatches, 100 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4819 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 227.2s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 908 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 2 PerfectInterpolantSequences, 21/65 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available - PositiveResult [Line: 167]: 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: ((((a24 != 1) || (a21 != 10)) || (0 < ((long long) a12 + 43))) || (5 != a15)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: ((((a24 != 1) || (a21 != 10)) || (0 < ((long long) a12 + 43))) || (5 != a15)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.39ms. Allocated memory is still 117.4MB. Free memory is still 72.9MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 756.08ms. Allocated memory is still 117.4MB. Free memory was 90.7MB in the beginning and 58.9MB in the end (delta: 31.8MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 129.36ms. Allocated memory is still 117.4MB. Free memory was 58.9MB in the beginning and 49.6MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 131.96ms. Allocated memory is still 117.4MB. Free memory was 49.6MB in the beginning and 43.9MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 6834.74ms. Allocated memory was 117.4MB in the beginning and 604.0MB in the end (delta: 486.5MB). Free memory was 43.7MB in the beginning and 321.9MB in the end (delta: -278.2MB). Peak memory consumption was 345.5MB. Max. memory is 16.1GB. * CodeCheck took 234974.77ms. Allocated memory was 604.0MB in the beginning and 2.0GB in the end (delta: 1.4GB). Free memory was 321.9MB in the beginning and 818.2MB in the end (delta: -496.3MB). Peak memory consumption was 917.0MB. Max. memory is 16.1GB. * Witness Printer took 175.77ms. Allocated memory is still 2.0GB. Free memory was 818.2MB in the beginning and 801.6MB in the end (delta: 16.6MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-11-24 18:23:00,124 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1125ffa3-3de7-420d-8474-1070e3a5f27e/bin/ukojak-verify-ENZ3QT5qd3/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE