./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label55.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_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/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_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label55.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/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_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/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 8e1a5ec7c69529be2d8c0f142d6c458fe9f526e0a4b1c8c2c339cb2c1b253dd3 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-05 22:18:00,099 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-05 22:18:00,154 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-05 22:18:00,158 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-05 22:18:00,158 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-05 22:18:00,177 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-05 22:18:00,178 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-05 22:18:00,178 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-05 22:18:00,179 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-05 22:18:00,179 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-05 22:18:00,179 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-05 22:18:00,179 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-05 22:18:00,179 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-05 22:18:00,179 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-05 22:18:00,179 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-05 22:18:00,179 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-05 22:18:00,180 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-05 22:18:00,180 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-05 22:18:00,180 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-05 22:18:00,180 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-05 22:18:00,180 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-05 22:18:00,180 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-05 22:18:00,180 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-05 22:18:00,180 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-05 22:18:00,180 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-05 22:18:00,180 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-05 22:18:00,181 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-05 22:18:00,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:18:00,181 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-05 22:18:00,181 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-05 22:18:00,181 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-05 22:18:00,181 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-05 22:18:00,181 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-05 22:18:00,181 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_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/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 -> 8e1a5ec7c69529be2d8c0f142d6c458fe9f526e0a4b1c8c2c339cb2c1b253dd3 [2024-12-05 22:18:00,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-05 22:18:00,405 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-05 22:18:00,407 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-05 22:18:00,408 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-05 22:18:00,408 INFO L274 PluginConnector]: CDTParser initialized [2024-12-05 22:18:00,409 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem16_label55.c [2024-12-05 22:18:03,077 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/data/dfed7083a/26a279dd133543e0a277715549bc518c/FLAG90d32975d [2024-12-05 22:18:03,371 INFO L384 CDTParser]: Found 1 translation units. [2024-12-05 22:18:03,372 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/sv-benchmarks/c/eca-rers2012/Problem16_label55.c [2024-12-05 22:18:03,386 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/data/dfed7083a/26a279dd133543e0a277715549bc518c/FLAG90d32975d [2024-12-05 22:18:03,400 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/data/dfed7083a/26a279dd133543e0a277715549bc518c [2024-12-05 22:18:03,403 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-05 22:18:03,404 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-05 22:18:03,406 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-05 22:18:03,406 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-05 22:18:03,410 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-05 22:18:03,411 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:18:03" (1/1) ... [2024-12-05 22:18:03,411 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f061469 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:03, skipping insertion in model container [2024-12-05 22:18:03,411 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 05.12 10:18:03" (1/1) ... [2024-12-05 22:18:03,454 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-05 22:18:03,637 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/sv-benchmarks/c/eca-rers2012/Problem16_label55.c[5995,6008] [2024-12-05 22:18:03,908 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:18:03,914 INFO L200 MainTranslator]: Completed pre-run [2024-12-05 22:18:03,933 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_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/sv-benchmarks/c/eca-rers2012/Problem16_label55.c[5995,6008] [2024-12-05 22:18:04,055 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-05 22:18:04,067 INFO L204 MainTranslator]: Completed translation [2024-12-05 22:18:04,068 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04 WrapperNode [2024-12-05 22:18:04,068 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-05 22:18:04,069 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-05 22:18:04,069 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-05 22:18:04,069 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-05 22:18:04,074 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,094 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,185 INFO L138 Inliner]: procedures = 15, calls = 9, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 1769 [2024-12-05 22:18:04,186 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-05 22:18:04,186 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-05 22:18:04,186 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-05 22:18:04,186 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-05 22:18:04,192 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,192 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,206 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,207 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,249 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,256 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,266 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,281 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,286 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,303 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-05 22:18:04,304 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-05 22:18:04,304 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-05 22:18:04,304 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-05 22:18:04,305 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 05.12 10:18:04" (1/1) ... [2024-12-05 22:18:04,309 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-05 22:18:04,318 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-05 22:18:04,329 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-05 22:18:04,331 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-05 22:18:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-05 22:18:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-05 22:18:04,351 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-05 22:18:04,352 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-05 22:18:04,400 INFO L234 CfgBuilder]: Building ICFG [2024-12-05 22:18:04,402 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-05 22:18:06,433 INFO L? ?]: Removed 276 outVars from TransFormulas that were not future-live. [2024-12-05 22:18:06,433 INFO L283 CfgBuilder]: Performing block encoding [2024-12-05 22:18:17,844 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-05 22:18:17,844 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-05 22:18:17,844 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:18:17 BoogieIcfgContainer [2024-12-05 22:18:17,844 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-05 22:18:17,845 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-05 22:18:17,845 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-05 22:18:17,852 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-05 22:18:17,852 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:18:17" (1/1) ... [2024-12-05 22:18:17,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-05 22:18:17,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:17,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2024-12-05 22:18:17,904 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2024-12-05 22:18:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-12-05 22:18:17,907 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:17,907 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:18:18,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:18:18,094 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 22:18:18,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:18:18,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 12 states and 14 transitions. [2024-12-05 22:18:18,263 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 14 transitions. [2024-12-05 22:18:18,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-12-05 22:18:18,263 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:18:18,263 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:18:18,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:19:59,227 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 22:19:59,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:19:59,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2024-12-05 22:19:59,613 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2024-12-05 22:19:59,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:19:59,615 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:19:59,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:19:59,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:24:34,075 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 22:24:35,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:24:35,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 30 states and 52 transitions. [2024-12-05 22:24:35,165 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 52 transitions. [2024-12-05 22:24:35,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-12-05 22:24:35,166 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:24:35,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:24:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:29:15,204 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 22:29:15,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:29:15,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 67 states to 37 states and 67 transitions. [2024-12-05 22:29:15,844 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 67 transitions. [2024-12-05 22:29:15,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-12-05 22:29:15,844 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-05 22:29:15,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-05 22:29:16,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-05 22:31:44,328 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-12-05 22:31:44,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-05 22:31:44,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 35 states and 65 transitions. [2024-12-05 22:31:44,644 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 65 transitions. [2024-12-05 22:31:44,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-12-05 22:31:44,644 WARN L417 CodeCheckObserver]: This Program is SAFE, Check terminated with 6 iterations. [2024-12-05 22:31:44,651 INFO L726 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2024-12-05 22:31:44,908 INFO L77 FloydHoareUtils]: At program point L184-1(lines 33 1502) the Hoare annotation is: (or (not (= ~a16~0 10)) (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156))) [2024-12-05 22:31:44,908 INFO L77 FloydHoareUtils]: At program point L187-1(lines 33 1502) the Hoare annotation is: (or (not (= ~a16~0 10)) (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156))) [2024-12-05 22:31:44,908 INFO L75 FloydHoareUtils]: For program point L188(line 188) no Hoare annotation was computed. [2024-12-05 22:31:44,908 INFO L77 FloydHoareUtils]: At program point ULTIMATE.startEXIT(line -1) the Hoare annotation is: true [2024-12-05 22:31:44,908 INFO L77 FloydHoareUtils]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2024-12-05 22:31:44,908 INFO L75 FloydHoareUtils]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 188) no Hoare annotation was computed. [2024-12-05 22:31:44,909 INFO L77 FloydHoareUtils]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (or (not (= ~a16~0 10)) (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156))) [2024-12-05 22:31:44,909 INFO L77 FloydHoareUtils]: At program point L1788(line 1788) the Hoare annotation is: (or (not (= ~a16~0 10)) (not (= ~a15~0 3)) (not (= ~a12~0 9)) (< 0 (+ ~a18~0 156))) [2024-12-05 22:31:44,909 INFO L77 FloydHoareUtils]: At program point $Ultimate##0(line -1) the Hoare annotation is: true [2024-12-05 22:31:44,921 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 05.12 10:31:44 ImpRootNode [2024-12-05 22:31:44,921 INFO L131 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2024-12-05 22:31:44,922 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-12-05 22:31:44,922 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-12-05 22:31:44,922 INFO L274 PluginConnector]: Witness Printer initialized [2024-12-05 22:31:44,923 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 05.12 10:18:17" (3/4) ... [2024-12-05 22:31:44,924 INFO L146 WitnessPrinter]: Generating witness for correct program [2024-12-05 22:31:44,945 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 385 nodes and edges [2024-12-05 22:31:44,946 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-12-05 22:31:44,948 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-12-05 22:31:44,949 INFO L919 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-12-05 22:31:45,079 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/witness.graphml [2024-12-05 22:31:45,079 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/witness.yml [2024-12-05 22:31:45,079 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-12-05 22:31:45,080 INFO L158 Benchmark]: Toolchain (without parser) took 821675.76ms. Allocated memory was 142.6MB in the beginning and 2.3GB in the end (delta: 2.1GB). Free memory was 113.0MB in the beginning and 500.1MB in the end (delta: -387.1MB). Peak memory consumption was 1.7GB. Max. memory is 16.1GB. [2024-12-05 22:31:45,080 INFO L158 Benchmark]: CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-12-05 22:31:45,080 INFO L158 Benchmark]: CACSL2BoogieTranslator took 662.62ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 56.4MB in the end (delta: 56.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. [2024-12-05 22:31:45,081 INFO L158 Benchmark]: Boogie Procedure Inliner took 117.25ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 92.0MB in the end (delta: -35.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2024-12-05 22:31:45,081 INFO L158 Benchmark]: Boogie Preprocessor took 116.85ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 78.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. [2024-12-05 22:31:45,081 INFO L158 Benchmark]: RCFGBuilder took 13540.78ms. Allocated memory was 142.6MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 78.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. [2024-12-05 22:31:45,082 INFO L158 Benchmark]: CodeCheck took 807075.69ms. Allocated memory was 2.1GB in the beginning and 2.3GB in the end (delta: 184.5MB). Free memory was 1.2GB in the beginning and 524.9MB in the end (delta: 672.0MB). Peak memory consumption was 856.2MB. Max. memory is 16.1GB. [2024-12-05 22:31:45,082 INFO L158 Benchmark]: Witness Printer took 157.36ms. Allocated memory is still 2.3GB. Free memory was 524.9MB in the beginning and 500.1MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. [2024-12-05 22:31:45,084 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: 806.8s, OverallIterations: 6, TraceHistogramMax: 0, PathProgramHistogramMax: 0, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 178 SdHoareTripleChecker+Valid, 4.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 152 mSDsluCounter, 167 SdHoareTripleChecker+Invalid, 3.9s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 98 mSDsCounter, 80 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 434 IncrementalHoareTripleChecker+Invalid, 514 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 80 mSolverCounterUnsat, 69 mSDtfsCounter, 434 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 538 GetRequests, 479 SyntacticMatches, 5 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1361 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, InterpolantAutomatonStates: 0, traceCheckStatistics: 0.1s SsaConstructionTime, 1.4s SatisfiabilityAnalysisTime, 802.5s InterpolantComputationTime, 57 NumberOfCodeBlocks, 57 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 52 ConstructedInterpolants, 0 QuantifiedInterpolants, 588 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 2 PerfectInterpolantSequences, 21/44 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: 1783]: Loop Invariant Derived loop invariant: ((((a16 != 10) || (a15 != 3)) || (a12 != 9)) || (0 < ((long long) a18 + 156))) - InvariantResult [Line: 33]: Location Invariant Derived location invariant: ((((a16 != 10) || (a15 != 3)) || (a12 != 9)) || (0 < ((long long) a18 + 156))) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.29ms. Allocated memory is still 142.6MB. Free memory is still 81.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 662.62ms. Allocated memory is still 142.6MB. Free memory was 112.8MB in the beginning and 56.4MB in the end (delta: 56.3MB). Peak memory consumption was 58.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 117.25ms. Allocated memory is still 142.6MB. Free memory was 56.2MB in the beginning and 92.0MB in the end (delta: -35.8MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 116.85ms. Allocated memory is still 142.6MB. Free memory was 92.0MB in the beginning and 78.7MB in the end (delta: 13.3MB). Peak memory consumption was 16.8MB. Max. memory is 16.1GB. * RCFGBuilder took 13540.78ms. Allocated memory was 142.6MB in the beginning and 2.1GB in the end (delta: 1.9GB). Free memory was 78.7MB in the beginning and 1.2GB in the end (delta: -1.1GB). Peak memory consumption was 1.6GB. Max. memory is 16.1GB. * CodeCheck took 807075.69ms. Allocated memory was 2.1GB in the beginning and 2.3GB in the end (delta: 184.5MB). Free memory was 1.2GB in the beginning and 524.9MB in the end (delta: 672.0MB). Peak memory consumption was 856.2MB. Max. memory is 16.1GB. * Witness Printer took 157.36ms. Allocated memory is still 2.3GB. Free memory was 524.9MB in the beginning and 500.1MB in the end (delta: 24.8MB). Peak memory consumption was 25.2MB. Max. memory is 16.1GB. RESULT: Ultimate proved your program to be correct! [2024-12-05 22:31:45,104 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5f7fa21f-ea10-4ae5-bd48-9a5f639f056d/bin/ukojak-verify-CZk0znPC7b/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