./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem18_label31.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_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem18_label31.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi --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 48e151e171192faba98bea76b0a05f258efede2f42bdf4a8243efed731650338 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:12:10,778 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:12:10,857 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/config/svcomp-Reach-32bit-Kojak_Default.epf [2023-11-24 23:12:10,862 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:12:10,863 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2023-11-24 23:12:10,899 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:12:10,900 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:12:10,901 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2023-11-24 23:12:10,902 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-24 23:12:10,907 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-24 23:12:10,908 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:12:10,909 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:12:10,909 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-24 23:12:10,911 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:12:10,911 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-24 23:12:10,912 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:12:10,912 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:12:10,913 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:12:10,913 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:12:10,913 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-24 23:12:10,914 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:12:10,914 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:12:10,915 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2023-11-24 23:12:10,915 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2023-11-24 23:12:10,916 INFO L153 SettingsManager]: * Theory for external solver=ALL [2023-11-24 23:12:10,916 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:12:10,917 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:10,917 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:12:10,918 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:12:10,918 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:12:10,919 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2023-11-24 23:12:10,919 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:12:10,919 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:12:10,920 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_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48e151e171192faba98bea76b0a05f258efede2f42bdf4a8243efed731650338 [2023-11-24 23:12:11,179 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:12:11,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:12:11,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:12:11,217 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:12:11,218 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:12:11,219 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/../../sv-benchmarks/c/eca-rers2012/Problem18_label31.c [2023-11-24 23:12:14,332 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:12:14,858 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:12:14,860 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/sv-benchmarks/c/eca-rers2012/Problem18_label31.c [2023-11-24 23:12:14,892 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/data/f4947dc1d/333c69ef9e74421c9942c96b1b56d287/FLAG52f156ae1 [2023-11-24 23:12:14,913 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/data/f4947dc1d/333c69ef9e74421c9942c96b1b56d287 [2023-11-24 23:12:14,920 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:12:14,924 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:12:14,929 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:14,929 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:12:14,934 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:12:14,935 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:14" (1/1) ... [2023-11-24 23:12:14,937 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@531249d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:14, skipping insertion in model container [2023-11-24 23:12:14,937 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:12:14" (1/1) ... [2023-11-24 23:12:15,079 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:12:15,291 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_1a654a71-29d6-46d9-9533-6b1f681b5c5f/sv-benchmarks/c/eca-rers2012/Problem18_label31.c[1896,1909] [2023-11-24 23:12:16,366 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:16,378 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:12:16,403 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_1a654a71-29d6-46d9-9533-6b1f681b5c5f/sv-benchmarks/c/eca-rers2012/Problem18_label31.c[1896,1909] [2023-11-24 23:12:16,808 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:12:16,835 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:12:16,836 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16 WrapperNode [2023-11-24 23:12:16,836 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:12:16,837 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:16,838 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:12:16,838 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:12:16,846 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:16,908 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:17,171 INFO L138 Inliner]: procedures = 16, calls = 10, calls flagged for inlining = 5, calls inlined = 5, statements flattened = 4133 [2023-11-24 23:12:17,172 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:12:17,172 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:12:17,173 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:12:17,173 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:12:17,183 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:17,183 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:17,212 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:17,212 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:17,328 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:17,373 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:17,411 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:17,425 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:17,472 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:12:17,474 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:12:17,475 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:12:17,475 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:12:17,476 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:12:16" (1/1) ... [2023-11-24 23:12:17,482 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2023-11-24 23:12:17,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/z3 [2023-11-24 23:12:17,510 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2023-11-24 23:12:17,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1a654a71-29d6-46d9-9533-6b1f681b5c5f/bin/ukojak-verify-afCqCEvfdi/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2023-11-24 23:12:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:12:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:12:17,559 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:12:17,559 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:12:17,652 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:12:17,656 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:12:22,064 INFO L282 CfgBuilder]: Performing block encoding