./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label49.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label49.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme --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 Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 5486e3f63bfe23a44d43a7bb73e094c79a86db839c48318d8de3614bb7e48420 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 10:46:08,595 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 10:46:08,688 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 10:46:08,694 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 10:46:08,700 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 10:46:08,765 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 10:46:08,769 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 10:46:08,769 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 10:46:08,770 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 10:46:08,775 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 10:46:08,776 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 10:46:08,777 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 10:46:08,778 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 10:46:08,779 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 10:46:08,780 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 10:46:08,780 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 10:46:08,781 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 10:46:08,781 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 10:46:08,782 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 10:46:08,782 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 10:46:08,782 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 10:46:08,783 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 10:46:08,783 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 10:46:08,784 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 10:46:08,784 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 10:46:08,785 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 10:46:08,785 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 10:46:08,786 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 10:46:08,798 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 10:46:08,798 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 10:46:08,800 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 10:46:08,800 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:08,800 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 10:46:08,801 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 10:46:08,801 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 10:46:08,801 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 10:46:08,801 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 10:46:08,802 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 10:46:08,802 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 10:46:08,802 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 10:46:08,802 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 10:46:08,803 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 10:46:08,803 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5486e3f63bfe23a44d43a7bb73e094c79a86db839c48318d8de3614bb7e48420 [2023-11-26 10:46:09,120 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 10:46:09,154 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 10:46:09,157 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 10:46:09,158 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 10:46:09,159 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 10:46:09,160 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/eca-rers2012/Problem07_label49.c [2023-11-26 10:46:12,315 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 10:46:14,702 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 10:46:14,703 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/sv-benchmarks/c/eca-rers2012/Problem07_label49.c [2023-11-26 10:46:14,897 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/data/5e44fd7d6/0155a8d8e1d94404b10e38cab1b727de/FLAGc02ff6439 [2023-11-26 10:46:14,914 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/data/5e44fd7d6/0155a8d8e1d94404b10e38cab1b727de [2023-11-26 10:46:14,917 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 10:46:14,919 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 10:46:14,920 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:14,920 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 10:46:14,926 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 10:46:14,927 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:14" (1/1) ... [2023-11-26 10:46:14,928 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@25cca993 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:14, skipping insertion in model container [2023-11-26 10:46:14,928 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 10:46:14" (1/1) ... [2023-11-26 10:46:16,283 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 10:46:28,637 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_45300961-7a75-4e53-b1b8-c54ffda6db60/sv-benchmarks/c/eca-rers2012/Problem07_label49.c[2771201,2771214] [2023-11-26 10:46:28,706 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:28,714 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 10:46:36,680 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_45300961-7a75-4e53-b1b8-c54ffda6db60/sv-benchmarks/c/eca-rers2012/Problem07_label49.c[2771201,2771214] [2023-11-26 10:46:36,689 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 10:46:37,771 INFO L206 MainTranslator]: Completed translation [2023-11-26 10:46:37,771 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37 WrapperNode [2023-11-26 10:46:37,772 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 10:46:37,773 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:37,773 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 10:46:37,773 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 10:46:37,781 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:38,491 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:40,704 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774 [2023-11-26 10:46:40,705 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 10:46:40,706 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 10:46:40,706 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 10:46:40,706 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 10:46:40,716 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:40,716 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:41,439 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:41,939 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2023-11-26 10:46:41,939 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:41,939 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:43,443 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:43,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:43,729 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:43,826 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:44,282 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 10:46:44,284 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 10:46:44,285 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 10:46:44,286 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 10:46:44,286 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 10:46:37" (1/1) ... [2023-11-26 10:46:44,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 10:46:44,309 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 10:46:44,325 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 10:46:44,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45300961-7a75-4e53-b1b8-c54ffda6db60/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 10:46:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 10:46:44,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 10:46:44,370 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 10:46:44,370 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 10:46:44,560 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 10:46:44,562 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation