./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label43.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_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/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_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/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_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/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 01720117cd138704ea607e9dfb46a6d139de322d5e574284bc65da610502a343 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-12-06 00:11:51,928 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-12-06 00:11:51,988 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-12-06 00:11:51,993 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-12-06 00:11:51,993 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-12-06 00:11:52,014 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-12-06 00:11:52,014 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-12-06 00:11:52,015 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-12-06 00:11:52,015 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-12-06 00:11:52,015 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-12-06 00:11:52,015 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-12-06 00:11:52,015 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-12-06 00:11:52,016 INFO L153 SettingsManager]: * sizeof long=4 [2024-12-06 00:11:52,016 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-12-06 00:11:52,016 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-12-06 00:11:52,016 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-12-06 00:11:52,016 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-12-06 00:11:52,016 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-12-06 00:11:52,016 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-12-06 00:11:52,016 INFO L153 SettingsManager]: * sizeof long double=12 [2024-12-06 00:11:52,017 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-12-06 00:11:52,017 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-12-06 00:11:52,017 INFO L153 SettingsManager]: * Use constant arrays=true [2024-12-06 00:11:52,017 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-12-06 00:11:52,017 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-12-06 00:11:52,017 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-12-06 00:11:52,017 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-12-06 00:11:52,017 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:11:52,018 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-12-06 00:11:52,018 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-12-06 00:11:52,018 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-12-06 00:11:52,018 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-12-06 00:11:52,018 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-12-06 00:11:52,018 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_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/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 -> 01720117cd138704ea607e9dfb46a6d139de322d5e574284bc65da610502a343 [2024-12-06 00:11:52,249 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-12-06 00:11:52,258 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-12-06 00:11:52,260 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-12-06 00:11:52,261 INFO L270 PluginConnector]: Initializing CDTParser... [2024-12-06 00:11:52,261 INFO L274 PluginConnector]: CDTParser initialized [2024-12-06 00:11:52,263 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/../../sv-benchmarks/c/eca-rers2012/Problem09_label43.c [2024-12-06 00:11:55,123 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/data/cae3088ba/eed8a137f1eb4fe586b4b21d10ae849f/FLAG0b65ca291 [2024-12-06 00:11:57,320 INFO L384 CDTParser]: Found 1 translation units. [2024-12-06 00:11:57,320 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/sv-benchmarks/c/eca-rers2012/Problem09_label43.c [2024-12-06 00:11:57,624 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/data/cae3088ba/eed8a137f1eb4fe586b4b21d10ae849f/FLAG0b65ca291 [2024-12-06 00:11:57,673 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/data/cae3088ba/eed8a137f1eb4fe586b4b21d10ae849f [2024-12-06 00:11:57,676 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-12-06 00:11:57,678 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-12-06 00:11:57,679 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-12-06 00:11:57,680 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-12-06 00:11:57,685 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-12-06 00:11:57,686 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:11:57" (1/1) ... [2024-12-06 00:11:57,687 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3fcdada6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:11:57, skipping insertion in model container [2024-12-06 00:11:57,687 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 12:11:57" (1/1) ... [2024-12-06 00:11:58,780 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-12-06 00:12:24,181 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_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/sv-benchmarks/c/eca-rers2012/Problem09_label43.c[6307169,6307182] [2024-12-06 00:12:24,300 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:12:24,312 INFO L200 MainTranslator]: Completed pre-run [2024-12-06 00:12:38,322 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_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/sv-benchmarks/c/eca-rers2012/Problem09_label43.c[6307169,6307182] [2024-12-06 00:12:38,327 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-12-06 00:12:43,057 INFO L204 MainTranslator]: Completed translation [2024-12-06 00:12:43,058 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43 WrapperNode [2024-12-06 00:12:43,058 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-12-06 00:12:43,059 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-12-06 00:12:43,059 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-12-06 00:12:43,059 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-12-06 00:12:43,065 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:44,016 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:47,878 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197892 [2024-12-06 00:12:47,878 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-12-06 00:12:47,879 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-12-06 00:12:47,879 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-12-06 00:12:47,879 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-12-06 00:12:47,885 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:47,885 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:48,272 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:48,273 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:49,888 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:50,010 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:50,289 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:50,447 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:50,578 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:51,248 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-12-06 00:12:51,249 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-12-06 00:12:51,249 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-12-06 00:12:51,249 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-12-06 00:12:51,251 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 12:12:43" (1/1) ... [2024-12-06 00:12:51,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-12-06 00:12:51,272 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/z3 [2024-12-06 00:12:51,287 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-12-06 00:12:51,290 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e11a130f-47f3-4ec5-81ae-c5f94dcda3b4/bin/ukojak-verify-CZk0znPC7b/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-12-06 00:12:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-12-06 00:12:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-12-06 00:12:51,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-12-06 00:12:51,320 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-12-06 00:12:51,510 INFO L234 CfgBuilder]: Building ICFG [2024-12-06 00:12:51,511 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-12-06 00:14:15,504 INFO L? ?]: Removed 16399 outVars from TransFormulas that were not future-live. [2024-12-06 00:14:15,505 INFO L283 CfgBuilder]: Performing block encoding [2024-12-06 00:15:04,561 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-12-06 00:15:04,561 INFO L312 CfgBuilder]: Removed 2 assume(true) statements. [2024-12-06 00:15:04,561 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:04 BoogieIcfgContainer [2024-12-06 00:15:04,561 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-12-06 00:15:04,562 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2024-12-06 00:15:04,562 INFO L270 PluginConnector]: Initializing CodeCheck... [2024-12-06 00:15:04,569 INFO L274 PluginConnector]: CodeCheck initialized [2024-12-06 00:15:04,569 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 12:15:04" (1/1) ... [2024-12-06 00:15:04,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-12-06 00:15:04,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:15:04,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33006 states to 16544 states and 33006 transitions. [2024-12-06 00:15:04,761 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 33006 transitions. [2024-12-06 00:15:06,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16466 [2024-12-06 00:15:06,201 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:15:06,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:15:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-12-06 00:16:04,737 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-12-06 00:17:13,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2024-12-06 00:17:13,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 59022 states to 33007 states and 59022 transitions. [2024-12-06 00:17:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 33007 states and 59022 transitions. [2024-12-06 00:17:14,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16470 [2024-12-06 00:17:14,807 INFO L420 CodeCheckObserver]: Error Path is FOUND. [2024-12-06 00:17:14,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-12-06 00:17:17,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat