./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem09_label39.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem09_label39.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9 --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 3ced7ffa2366c8ff0393c7347a764fd0bfec82a7deca612624d1b2735d1ae0fe --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-12-03 02:23:44,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-12-03 02:23:45,039 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-12-03 02:23:45,043 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-12-03 02:23:45,044 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-12-03 02:23:45,066 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-12-03 02:23:45,067 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-12-03 02:23:45,067 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-12-03 02:23:45,068 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-12-03 02:23:45,069 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-12-03 02:23:45,069 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-12-03 02:23:45,070 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-12-03 02:23:45,070 INFO L153 SettingsManager]: * sizeof long=4 [2023-12-03 02:23:45,070 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-12-03 02:23:45,071 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-12-03 02:23:45,071 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-12-03 02:23:45,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-12-03 02:23:45,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-12-03 02:23:45,073 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-12-03 02:23:45,073 INFO L153 SettingsManager]: * sizeof long double=12 [2023-12-03 02:23:45,074 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-12-03 02:23:45,074 INFO L153 SettingsManager]: * Use constant arrays=true [2023-12-03 02:23:45,075 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-12-03 02:23:45,075 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-12-03 02:23:45,076 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-12-03 02:23:45,076 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-12-03 02:23:45,077 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:23:45,077 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-12-03 02:23:45,077 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-12-03 02:23:45,078 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-12-03 02:23:45,078 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-12-03 02:23:45,079 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-12-03 02:23:45,079 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-12-03 02:23:45,079 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3ced7ffa2366c8ff0393c7347a764fd0bfec82a7deca612624d1b2735d1ae0fe [2023-12-03 02:23:45,298 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-12-03 02:23:45,318 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-12-03 02:23:45,321 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-12-03 02:23:45,323 INFO L270 PluginConnector]: Initializing CDTParser... [2023-12-03 02:23:45,323 INFO L274 PluginConnector]: CDTParser initialized [2023-12-03 02:23:45,324 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/../../sv-benchmarks/c/eca-rers2012/Problem09_label39.c [2023-12-03 02:23:48,069 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-12-03 02:23:50,355 INFO L384 CDTParser]: Found 1 translation units. [2023-12-03 02:23:50,355 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/sv-benchmarks/c/eca-rers2012/Problem09_label39.c [2023-12-03 02:23:50,647 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/data/e035be3d8/39d052fba32a4e7e8eb758725b900a27/FLAG2769dc69c [2023-12-03 02:23:50,659 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/data/e035be3d8/39d052fba32a4e7e8eb758725b900a27 [2023-12-03 02:23:50,661 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-12-03 02:23:50,662 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-12-03 02:23:50,663 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-12-03 02:23:50,663 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-12-03 02:23:50,668 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-12-03 02:23:50,668 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:23:50" (1/1) ... [2023-12-03 02:23:50,670 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@70bad0a6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:23:50, skipping insertion in model container [2023-12-03 02:23:50,670 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:23:50" (1/1) ... [2023-12-03 02:23:52,318 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-12-03 02:24:17,674 WARN L240 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_58362b72-0bb4-4406-ba5b-62d3b535f8a9/sv-benchmarks/c/eca-rers2012/Problem09_label39.c[6308924,6308937] [2023-12-03 02:24:17,802 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:24:17,811 INFO L202 MainTranslator]: Completed pre-run [2023-12-03 02:24:31,497 WARN L240 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_58362b72-0bb4-4406-ba5b-62d3b535f8a9/sv-benchmarks/c/eca-rers2012/Problem09_label39.c[6308924,6308937] [2023-12-03 02:24:31,500 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-12-03 02:24:35,166 INFO L206 MainTranslator]: Completed translation [2023-12-03 02:24:35,166 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35 WrapperNode [2023-12-03 02:24:35,166 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-12-03 02:24:35,167 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-12-03 02:24:35,167 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-12-03 02:24:35,167 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-12-03 02:24:35,172 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:35,978 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:39,160 INFO L138 Inliner]: procedures = 88, calls = 82, calls flagged for inlining = 77, calls inlined = 77, statements flattened = 197819 [2023-12-03 02:24:39,161 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-12-03 02:24:39,161 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-12-03 02:24:39,161 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-12-03 02:24:39,161 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-12-03 02:24:39,169 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:39,169 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:39,724 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:39,724 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:41,317 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:41,575 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:41,868 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:41,995 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:42,612 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-12-03 02:24:42,613 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-12-03 02:24:42,613 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-12-03 02:24:42,613 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-12-03 02:24:42,614 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:35" (1/1) ... [2023-12-03 02:24:42,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-12-03 02:24:42,629 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/z3 [2023-12-03 02:24:42,640 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-12-03 02:24:42,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_58362b72-0bb4-4406-ba5b-62d3b535f8a9/bin/ukojak-verify-Qdu7aM0XO9/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-12-03 02:24:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-12-03 02:24:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-12-03 02:24:42,667 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-12-03 02:24:42,667 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-12-03 02:24:42,835 INFO L241 CfgBuilder]: Building ICFG [2023-12-03 02:24:42,837 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-12-03 02:26:03,331 INFO L282 CfgBuilder]: Performing block encoding [2023-12-03 02:27:00,506 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-12-03 02:27:00,506 INFO L309 CfgBuilder]: Removed 1 assume(true) statements. [2023-12-03 02:27:00,514 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:27:00 BoogieIcfgContainer [2023-12-03 02:27:00,514 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-12-03 02:27:00,515 INFO L112 PluginConnector]: ------------------------CodeCheck---------------------------- [2023-12-03 02:27:00,515 INFO L270 PluginConnector]: Initializing CodeCheck... [2023-12-03 02:27:00,522 INFO L274 PluginConnector]: CodeCheck initialized [2023-12-03 02:27:00,522 INFO L184 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:27:00" (1/1) ... [2023-12-03 02:27:00,531 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-12-03 02:27:00,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:27:00,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33006 states to 16544 states and 33006 transitions. [2023-12-03 02:27:00,808 INFO L276 IsEmpty]: Start isEmpty. Operand 16544 states and 33006 transitions. [2023-12-03 02:27:02,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16466 [2023-12-03 02:27:02,240 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:27:02,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:27:07,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-12-03 02:28:29,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-12-03 02:29:41,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2023-12-03 02:29:42,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53170 states to 33007 states and 53170 transitions. [2023-12-03 02:29:42,026 INFO L276 IsEmpty]: Start isEmpty. Operand 33007 states and 53170 transitions. [2023-12-03 02:29:43,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16476 [2023-12-03 02:29:43,327 INFO L423 CodeCheckObserver]: Error Path is FOUND. [2023-12-03 02:29:43,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-12-03 02:29:46,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat