./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem19_label32.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version a0165632 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_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem19_label32.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje --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 Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 945da3531442ca75d7daec1419723c023475934380c17b86b02d54eed69aad3f --- Real Ultimate output --- This is Ultimate 0.2.5-dev-a016563 [2024-11-09 06:05:59,005 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 06:05:59,120 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/config/svcomp-Reach-32bit-Taipan_Default.epf [2024-11-09 06:05:59,129 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 06:05:59,130 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 06:05:59,176 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 06:05:59,178 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 06:05:59,178 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 06:05:59,180 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 06:05:59,182 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 06:05:59,183 INFO L153 SettingsManager]: * User list type=DISABLED [2024-11-09 06:05:59,183 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2024-11-09 06:05:59,184 INFO L153 SettingsManager]: * Explicit value domain=true [2024-11-09 06:05:59,184 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2024-11-09 06:05:59,185 INFO L153 SettingsManager]: * Octagon Domain=false [2024-11-09 06:05:59,185 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2024-11-09 06:05:59,188 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2024-11-09 06:05:59,188 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2024-11-09 06:05:59,189 INFO L153 SettingsManager]: * Interval Domain=false [2024-11-09 06:05:59,193 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2024-11-09 06:05:59,193 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2024-11-09 06:05:59,194 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2024-11-09 06:05:59,195 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 06:05:59,195 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 06:05:59,196 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 06:05:59,196 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 06:05:59,196 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 06:05:59,197 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 06:05:59,197 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 06:05:59,200 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 06:05:59,200 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 06:05:59,201 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 06:05:59,202 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 06:05:59,202 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 06:05:59,203 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 06:05:59,204 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 06:05:59,204 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 06:05:59,204 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 06:05:59,205 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:05:59,205 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 06:05:59,206 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 06:05:59,206 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 06:05:59,206 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2024-11-09 06:05:59,207 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 06:05:59,208 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 06:05:59,208 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2024-11-09 06:05:59,209 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 06:05:59,209 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 945da3531442ca75d7daec1419723c023475934380c17b86b02d54eed69aad3f [2024-11-09 06:05:59,561 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 06:05:59,596 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 06:05:59,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 06:05:59,602 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 06:05:59,603 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 06:05:59,605 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/../../sv-benchmarks/c/eca-rers2012/Problem19_label32.c Unable to find full path for "g++" [2024-11-09 06:06:02,101 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 06:06:02,928 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 06:06:02,929 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/sv-benchmarks/c/eca-rers2012/Problem19_label32.c [2024-11-09 06:06:02,991 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/data/abde41310/6c21396e629e4840886355d1c013f1e9/FLAG75ff3dca3 [2024-11-09 06:06:03,196 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/data/abde41310/6c21396e629e4840886355d1c013f1e9 [2024-11-09 06:06:03,200 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 06:06:03,202 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 06:06:03,206 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 06:06:03,208 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 06:06:03,215 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 06:06:03,216 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:06:03" (1/1) ... [2024-11-09 06:06:03,218 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9f6945 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:03, skipping insertion in model container [2024-11-09 06:06:03,219 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 06:06:03" (1/1) ... [2024-11-09 06:06:03,565 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 06:06:04,032 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_4a280ce6-962c-44d7-a422-4e9800cce430/sv-benchmarks/c/eca-rers2012/Problem19_label32.c[2877,2890] [2024-11-09 06:06:06,397 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:06:06,413 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 06:06:06,442 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_4a280ce6-962c-44d7-a422-4e9800cce430/sv-benchmarks/c/eca-rers2012/Problem19_label32.c[2877,2890] [2024-11-09 06:06:07,903 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 06:06:07,956 INFO L204 MainTranslator]: Completed translation [2024-11-09 06:06:07,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07 WrapperNode [2024-11-09 06:06:07,957 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 06:06:07,959 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 06:06:07,959 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 06:06:07,959 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 06:06:07,968 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:08,096 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:09,791 INFO L138 Inliner]: procedures = 19, calls = 13, calls flagged for inlining = 8, calls inlined = 8, statements flattened = 9430 [2024-11-09 06:06:09,791 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 06:06:09,793 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 06:06:09,793 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 06:06:09,793 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 06:06:09,806 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:09,806 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:10,069 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:10,069 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:10,742 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:10,819 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:10,878 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:10,909 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:11,117 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 06:06:11,120 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 06:06:11,120 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 06:06:11,120 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 06:06:11,122 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 06:06:07" (1/1) ... [2024-11-09 06:06:11,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2024-11-09 06:06:11,145 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/z3 [2024-11-09 06:06:11,166 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2024-11-09 06:06:11,172 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4a280ce6-962c-44d7-a422-4e9800cce430/bin/utaipan-verify-YMUCfTKeje/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2024-11-09 06:06:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 06:06:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2024-11-09 06:06:11,213 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 06:06:11,215 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 06:06:11,336 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 06:06:11,340 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 06:06:24,685 INFO L? ?]: Removed 1320 outVars from TransFormulas that were not future-live. [2024-11-09 06:06:24,685 INFO L287 CfgBuilder]: Performing block encoding