./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.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_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b --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 aec3d6b735697765f122fd4969787ab3e5c22f1789977e4ce823d6b216b50af2 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:19:39,170 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:19:39,223 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:19:39,226 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:19:39,227 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:19:39,245 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:19:39,245 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:19:39,246 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:19:39,246 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:19:39,246 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:19:39,246 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:19:39,246 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:19:39,247 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:19:39,248 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:19:39,248 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:19:39,248 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:19:39,248 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:19:39,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:19:39,248 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:19:39,248 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:19:39,248 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:19:39,248 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:19:39,248 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:19:39,249 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_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b 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 -> aec3d6b735697765f122fd4969787ab3e5c22f1789977e4ce823d6b216b50af2 [2024-12-05 22:19:39,454 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:19:39,461 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:19:39,462 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:19:39,463 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:19:39,464 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:19:39,465 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2024-12-05 22:19:42,215 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/data/fdf857bf9/c23c0783c8df4c838fb58fe5a77f55d7/FLAG135a79469 [2024-12-05 22:19:42,478 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:19:42,478 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/sv-benchmarks/c/eca-rers2012/Problem14_label33.c [2024-12-05 22:19:42,490 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/data/fdf857bf9/c23c0783c8df4c838fb58fe5a77f55d7/FLAG135a79469 [2024-12-05 22:19:42,504 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/data/fdf857bf9/c23c0783c8df4c838fb58fe5a77f55d7 [2024-12-05 22:19:42,506 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:19:42,507 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:19:42,509 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:19:42,509 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:19:42,513 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:19:42,513 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:42,514 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27ebbb8e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42, skipping insertion in model container [2024-12-05 22:19:42,514 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:42,545 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:19:42,713 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_e6179222-5dac-4d39-b82a-2602d46533e0/sv-benchmarks/c/eca-rers2012/Problem14_label33.c[5937,5950] [2024-12-05 22:19:42,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:19:42,857 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:19:42,876 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_e6179222-5dac-4d39-b82a-2602d46533e0/sv-benchmarks/c/eca-rers2012/Problem14_label33.c[5937,5950] [2024-12-05 22:19:42,951 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:19:42,965 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:19:42,966 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42 WrapperNode [2024-12-05 22:19:42,966 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:19:42,967 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:19:42,967 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:19:42,967 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:19:42,972 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:42,984 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,033 INFO L138 Inliner]: procedures = 14, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 858 [2024-12-05 22:19:43,033 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:19:43,033 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:19:43,033 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:19:43,034 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:19:43,041 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,041 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,046 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,046 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,067 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,069 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,076 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,081 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,085 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,094 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:19:43,095 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:19:43,095 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:19:43,095 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:19:43,096 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:19:42" (1/1) ... [2024-12-05 22:19:43,101 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:19:43,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:19:43,123 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:19:43,125 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:19:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:19:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:19:43,149 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:19:43,149 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:19:43,202 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:19:43,204 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:19:44,323 INFO L? ?]: Removed 123 outVars from TransFormulas that were not future-live. [2024-12-05 22:19:44,323 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:19:47,380 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:19:47,380 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:19:47,381 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:19:47 BoogieIcfgContainer [2024-12-05 22:19:47,381 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:19:47,381 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:19:47,382 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:19:47,390 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:19:47,390 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:19:47" (1/1) ... [2024-12-05 22:19:47,397 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:19:47,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:47,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 22:19:47,438 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 22:19:47,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:19:47,440 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:47,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:47,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:19:47,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:47,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-05 22:19:47,717 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-05 22:19:47,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:19:47,718 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:47,718 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:47,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:03,817 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:04,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:04,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2024-12-05 22:20:04,162 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2024-12-05 22:20:04,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:20:04,164 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:04,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:04,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:20:37,408 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:20:38,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:20:38,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 28 states and 50 transitions. [2024-12-05 22:20:38,135 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 50 transitions. [2024-12-05 22:20:38,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:20:38,136 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:20:38,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:20:38,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:21:14,059 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:21:14,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:21:14,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 34 states and 65 transitions. [2024-12-05 22:21:14,613 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 65 transitions. [2024-12-05 22:21:14,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:21:14,614 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:21:14,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:21:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:14,884 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-05 22:22:16,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:16,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 46 states and 93 transitions. [2024-12-05 22:22:16,340 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 93 transitions. [2024-12-05 22:22:16,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:22:16,340 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:22:16,341 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:22:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:22:36,155 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 12 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-12-05 22:22:36,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:22:36,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 41 states and 87 transitions. [2024-12-05 22:22:36,560 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 87 transitions. [2024-12-05 22:22:36,561 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:22:36,561 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2024-12-05 22:22:36,568 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 22:22:36,928 INFO L77 FloydHoareUtils]: At program point L895(line 895) the Hoare annotation is: (or (< ~a12~0 12) (not (= ~a24~0 1)) (< 80 ~a12~0) (not (= ~a15~0 6)) (not (= ~a21~0 10))) [2024-12-05 22:22:36,929 INFO L77 FloydHoareUtils]: At program point L184-1(lines 30 882) the Hoare annotation is: (let ((.cse4 (not (= ~a15~0 6)))) (let ((.cse1 (< ~a12~0 12)) (.cse2 (not (= ~a24~0 1))) (.cse3 (< 80 ~a12~0)) (.cse0 (or (< ~a21~0 10) (< 105886 ~a12~0) .cse4 (< ~a12~0 11))) (.cse5 (or (< 7 ~a15~0) (< ~a21~0 9)))) (or (and (not .cse0) (or .cse1 .cse2 .cse3 (not (= ~a21~0 10)))) (and (<= ~a21~0 7) (or .cse1 .cse2 .cse3 (not (= 7 ~a21~0)) .cse4)) (and .cse0 (not .cse5)) (and (< 7 ~a21~0) .cse5)))) [2024-12-05 22:22:36,929 INFO L77 FloydHoareUtils]: At program point L187-1(lines 30 882) the Hoare annotation is: (or (< ~a12~0 12) (not (= ~a24~0 1)) (< 80 ~a12~0) (not (= ~a15~0 6)) (not (= ~a21~0 10))) [2024-12-05 22:22:36,929 INFO L75 FloydHoareUtils]: For program point L188(line 188) no Hoare annotation was computed. [2024-12-05 22:22:36,929 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:22:36,929 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2024-12-05 22:22:36,929 INFO L77 FloydHoareUtils]: At program point L884(lines 884 900) the Hoare annotation is: true [2024-12-05 22:22:36,929 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:22:36,929 INFO L77 FloydHoareUtils]: At program point L890-2(lines 890 899) the Hoare annotation is: (or (< ~a12~0 12) (not (= ~a24~0 1)) (< 80 ~a12~0) (not (= ~a15~0 6)) (not (= ~a21~0 10))) [2024-12-05 22:22:36,944 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:22:36 ImpRootNode [2024-12-05 22:22:36,944 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:22:36,945 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:22:36,945 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:22:36,945 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:22:36,946 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:19:47" (3/4) ... [2024-12-05 22:22:36,948 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:22:36,963 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 233 nodes and edges [2024-12-05 22:22:36,965 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-05 22:22:36,966 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 22:22:36,968 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:22:37,087 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:22:37,088 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:22:37,088 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:22:37,089 INFO L158 Benchmark]: Toolchain (without parser) took 174581.37ms. Allocated memory was 142.6MB in the beginning and 1.6GB in the end (delta: 1.5GB). Free memory was 115.7MB in the beginning and 1.5GB in the end (delta: -1.4GB). Peak memory consumption was 112.4MB. Max. memory is 16.1GB. [2024-12-05 22:22:37,089 INFO L158 Benchmark]: CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:22:37,089 INFO L158 Benchmark]: CACSL2BoogieTranslator took 457.70ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 84.0MB in the end (delta: 31.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. [2024-12-05 22:22:37,089 INFO L158 Benchmark]: Boogie Procedure Inliner took 66.31ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 74.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:22:37,090 INFO L158 Benchmark]: Boogie Preprocessor took 61.12ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 69.1MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:22:37,090 INFO L158 Benchmark]: RCFGBuilder took 4285.64ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 68.9MB in the beginning and 268.0MB in the end (delta: -199.2MB). Peak memory consumption was 262.9MB. Max. memory is 16.1GB. [2024-12-05 22:22:37,090 INFO L158 Benchmark]: CodeCheck took 169562.62ms. Allocated memory was 453.0MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 268.0MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. [2024-12-05 22:22:37,091 INFO L158 Benchmark]: Witness Printer took 143.17ms. Allocated memory is still 1.6GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-12-05 22:22:37,092 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: 169.2s, OverallIterations: 7, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 249 SdHoareTripleChecker+Valid, 3.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 217 mSDsluCounter, 204 SdHoareTripleChecker+Invalid, 3.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 120 mSDsCounter, 121 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 710 IncrementalHoareTripleChecker+Invalid, 831 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 121 mSolverCounterUnsat, 84 mSDtfsCounter, 710 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 738 GetRequests, 616 SyntacticMatches, 16 SemanticMatches, 106 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5556 ImplicationChecksByTransitivity, 3.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 164.7s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 20/65 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: 188]: a call to reach_error is unreachable For all program executions holds that a call to reach_error is unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Location Invariant Derived location invariant: (((((a12 < 12) || (a24 != 1)) || (80 < a12)) || (a15 != 6)) || (a21 != 10)) - InvariantResult [Line: 890]: Loop Invariant Derived loop invariant: (((((a12 < 12) || (a24 != 1)) || (80 < a12)) || (a15 != 6)) || (a21 != 10)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31ms. Allocated memory is still 142.6MB. Free memory is still 82.7MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 457.70ms. Allocated memory is still 142.6MB. Free memory was 115.7MB in the beginning and 84.0MB in the end (delta: 31.7MB). Peak memory consumption was 33.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 66.31ms. Allocated memory is still 142.6MB. Free memory was 84.0MB in the beginning and 74.7MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 61.12ms. Allocated memory is still 142.6MB. Free memory was 74.7MB in the beginning and 69.1MB in the end (delta: 5.7MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 4285.64ms. Allocated memory was 142.6MB in the beginning and 453.0MB in the end (delta: 310.4MB). Free memory was 68.9MB in the beginning and 268.0MB in the end (delta: -199.2MB). Peak memory consumption was 262.9MB. Max. memory is 16.1GB. * CodeCheck took 169562.62ms. Allocated memory was 453.0MB in the beginning and 1.6GB in the end (delta: 1.2GB). Free memory was 268.0MB in the beginning and 1.5GB in the end (delta: -1.2GB). Peak memory consumption was 155.7MB. Max. memory is 16.1GB. * Witness Printer took 143.17ms. Allocated memory is still 1.6GB. Free memory was 1.5GB in the beginning and 1.5GB in the end (delta: 12.6MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:22:37,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e6179222-5dac-4d39-b82a-2602d46533e0/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE