./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem07_label43.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_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/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_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem07_label43.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/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_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/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 cbc777c1af18504f81c2cf7bc023f1bdde84696b138e97064999620300c8b8bf --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-26 11:47:25,449 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-26 11:47:25,576 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-26 11:47:25,589 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-26 11:47:25,590 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-26 11:47:25,632 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-26 11:47:25,632 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-26 11:47:25,633 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-26 11:47:25,634 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-26 11:47:25,641 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-26 11:47:25,642 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-26 11:47:25,642 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-26 11:47:25,643 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-26 11:47:25,645 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-26 11:47:25,646 INFO L153 SettingsManager]: * Use SBE=true [2023-11-26 11:47:25,646 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-26 11:47:25,647 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-26 11:47:25,647 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-26 11:47:25,648 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-26 11:47:25,648 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-26 11:47:25,649 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-26 11:47:25,649 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-26 11:47:25,650 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-26 11:47:25,650 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-26 11:47:25,651 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-26 11:47:25,651 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-26 11:47:25,651 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-26 11:47:25,652 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-26 11:47:25,653 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-26 11:47:25,653 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-26 11:47:25,655 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-26 11:47:25,655 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:47:25,655 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-26 11:47:25,655 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-26 11:47:25,656 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-26 11:47:25,656 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-26 11:47:25,656 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-26 11:47:25,657 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-26 11:47:25,657 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-26 11:47:25,657 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-26 11:47:25,657 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-26 11:47:25,658 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-26 11:47:25,658 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_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> cbc777c1af18504f81c2cf7bc023f1bdde84696b138e97064999620300c8b8bf [2023-11-26 11:47:25,983 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-26 11:47:26,015 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-26 11:47:26,018 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-26 11:47:26,019 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-26 11:47:26,019 INFO L274 PluginConnector]: CDTParser initialized [2023-11-26 11:47:26,021 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme/../../sv-benchmarks/c/eca-rers2012/Problem07_label43.c [2023-11-26 11:47:29,113 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-26 11:47:31,382 INFO L384 CDTParser]: Found 1 translation units. [2023-11-26 11:47:31,383 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/sv-benchmarks/c/eca-rers2012/Problem07_label43.c [2023-11-26 11:47:31,529 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme/data/ec12bfb9f/794b420470404c4b973a16ee9388434d/FLAGab0547f5b [2023-11-26 11:47:31,543 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme/data/ec12bfb9f/794b420470404c4b973a16ee9388434d [2023-11-26 11:47:31,546 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-26 11:47:31,548 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-26 11:47:31,549 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:31,549 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-26 11:47:31,555 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-26 11:47:31,556 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:31" (1/1) ... [2023-11-26 11:47:31,557 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65d14966 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:31, skipping insertion in model container [2023-11-26 11:47:31,558 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 11:47:31" (1/1) ... [2023-11-26 11:47:32,554 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-26 11:47:44,537 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_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/sv-benchmarks/c/eca-rers2012/Problem07_label43.c[2774611,2774624] [2023-11-26 11:47:44,600 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:44,613 INFO L202 MainTranslator]: Completed pre-run [2023-11-26 11:47:52,186 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_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/sv-benchmarks/c/eca-rers2012/Problem07_label43.c[2774611,2774624] [2023-11-26 11:47:52,192 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-26 11:47:53,590 INFO L206 MainTranslator]: Completed translation [2023-11-26 11:47:53,591 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53 WrapperNode [2023-11-26 11:47:53,591 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-26 11:47:53,592 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:53,592 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-26 11:47:53,593 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-26 11:47:53,599 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:47:54,502 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:47:57,437 INFO L138 Inliner]: procedures = 59, calls = 53, calls flagged for inlining = 48, calls inlined = 48, statements flattened = 83774 [2023-11-26 11:47:57,438 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-26 11:47:57,438 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-26 11:47:57,438 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-26 11:47:57,439 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-26 11:47:57,450 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:47:57,451 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:47:57,918 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:47:58,220 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 11:47:58,221 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:47:58,221 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:47:59,987 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:48:00,271 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:48:00,374 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:48:00,508 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:48:01,088 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-26 11:48:01,089 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-26 11:48:01,089 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-26 11:48:01,089 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-26 11:48:01,091 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 11:47:53" (1/1) ... [2023-11-26 11:48:01,099 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-26 11:48:01,114 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme/z3 [2023-11-26 11:48:01,132 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-26 11:48:01,156 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_8b6fab6c-5b51-40da-a8f0-1ac6e5220648/bin/uautomizer-verify-VRDe98Ueme/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-26 11:48:01,191 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-26 11:48:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-26 11:48:01,192 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-26 11:48:01,192 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-26 11:48:01,435 INFO L241 CfgBuilder]: Building ICFG [2023-11-26 11:48:01,440 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation