./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-programs/Problem102_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-programs/Problem102_label48.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk --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 3a9392d1e3870f7bf34ff2155df40a11bd80e0253cc9561eec3e55c2a029b9b0 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-08 22:21:36,764 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-08 22:21:36,874 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/config/svcomp-Reach-32bit-Kojak_Default.epf [2024-11-08 22:21:36,881 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-08 22:21:36,882 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck.Interpolating solver [2024-11-08 22:21:36,924 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-08 22:21:36,928 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-08 22:21:36,928 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2024-11-08 22:21:36,929 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-08 22:21:36,930 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-08 22:21:36,931 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-08 22:21:36,931 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-08 22:21:36,932 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-08 22:21:36,934 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-08 22:21:36,936 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-08 22:21:36,936 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-08 22:21:36,937 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-08 22:21:36,937 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-08 22:21:36,937 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-08 22:21:36,942 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-08 22:21:36,942 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-08 22:21:36,943 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-08 22:21:36,943 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-08 22:21:36,943 INFO L151 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2024-11-08 22:21:36,944 INFO L153 SettingsManager]: * Timeout in seconds=1000000 [2024-11-08 22:21:36,944 INFO L153 SettingsManager]: * Theory for external solver=ALL [2024-11-08 22:21:36,944 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-08 22:21:36,945 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:21:36,945 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-08 22:21:36,945 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-08 22:21:36,945 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-08 22:21:36,946 INFO L153 SettingsManager]: * Trace refinement strategy=PENGUIN [2024-11-08 22:21:36,946 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-08 22:21:36,946 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_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a9392d1e3870f7bf34ff2155df40a11bd80e0253cc9561eec3e55c2a029b9b0 [2024-11-08 22:21:37,281 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-08 22:21:37,320 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-08 22:21:37,324 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-08 22:21:37,325 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-08 22:21:37,326 INFO L274 PluginConnector]: CDTParser initialized [2024-11-08 22:21:37,327 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/../../sv-benchmarks/c/eca-programs/Problem102_label48.c Unable to find full path for "g++" [2024-11-08 22:21:39,305 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-08 22:21:42,826 INFO L384 CDTParser]: Found 1 translation units. [2024-11-08 22:21:42,828 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/sv-benchmarks/c/eca-programs/Problem102_label48.c [2024-11-08 22:21:43,079 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/data/d98ed3677/a88634ed8773443db9daeefe60a3ccb8/FLAGd72c48ee0 [2024-11-08 22:21:43,165 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/data/d98ed3677/a88634ed8773443db9daeefe60a3ccb8 [2024-11-08 22:21:43,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-08 22:21:43,170 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-08 22:21:43,173 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-08 22:21:43,174 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-08 22:21:43,180 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-08 22:21:43,181 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:43" (1/1) ... [2024-11-08 22:21:43,185 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e1751c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:21:43, skipping insertion in model container [2024-11-08 22:21:43,186 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.11 10:21:43" (1/1) ... [2024-11-08 22:21:44,641 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-08 22:22:09,868 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_cb5e79de-4ceb-4402-8298-44f2bac9fddf/sv-benchmarks/c/eca-programs/Problem102_label48.c[5707336,5707349] [2024-11-08 22:22:09,987 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:09,998 INFO L200 MainTranslator]: Completed pre-run [2024-11-08 22:22:23,893 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_cb5e79de-4ceb-4402-8298-44f2bac9fddf/sv-benchmarks/c/eca-programs/Problem102_label48.c[5707336,5707349] [2024-11-08 22:22:23,910 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-08 22:22:28,954 INFO L204 MainTranslator]: Completed translation [2024-11-08 22:22:28,955 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28 WrapperNode [2024-11-08 22:22:28,955 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-08 22:22:28,956 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:28,956 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-08 22:22:28,957 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-08 22:22:28,964 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:30,259 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:34,957 INFO L138 Inliner]: procedures = 95, calls = 89, calls flagged for inlining = 84, calls inlined = 84, statements flattened = 184376 [2024-11-08 22:22:34,958 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-08 22:22:34,958 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-08 22:22:34,959 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-08 22:22:34,959 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-08 22:22:34,974 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:34,975 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:36,491 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:36,492 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:38,917 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:39,310 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:39,600 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:39,735 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:40,538 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-08 22:22:40,539 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-08 22:22:40,540 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-08 22:22:40,540 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-08 22:22:40,541 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.11 10:22:28" (1/1) ... [2024-11-08 22:22:40,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2024-11-08 22:22:40,559 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/z3 [2024-11-08 22:22:40,586 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) [2024-11-08 22:22:40,590 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cb5e79de-4ceb-4402-8298-44f2bac9fddf/bin/ukojak-verify-ImItNfHLgk/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (1)] Waiting until timeout for monitored process [2024-11-08 22:22:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-08 22:22:40,625 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-08 22:22:40,626 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-08 22:22:40,626 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-08 22:22:40,856 INFO L238 CfgBuilder]: Building ICFG [2024-11-08 22:22:40,858 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-08 22:24:17,937 INFO L? ?]: Removed 18122 outVars from TransFormulas that were not future-live. [2024-11-08 22:24:17,937 INFO L287 CfgBuilder]: Performing block encoding