./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/array-fpi/s4liff.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/array-fpi/s4liff.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC --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 7bc720b49036ae434d48a543e34b3029cd6dac2700d355b81aed2168ec15f73b --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 00:33:55,712 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 00:33:55,785 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-32bit-Automizer_Default.epf [2024-11-24 00:33:55,791 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 00:33:55,792 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 00:33:55,823 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 00:33:55,824 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 00:33:55,824 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 00:33:55,824 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 00:33:55,824 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 00:33:55,824 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 00:33:55,825 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 00:33:55,825 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 00:33:55,825 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 00:33:55,825 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 00:33:55,825 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 00:33:55,825 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 00:33:55,826 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-24 00:33:55,826 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 00:33:55,826 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-24 00:33:55,826 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 00:33:55,826 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 00:33:55,826 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 00:33:55,826 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 00:33:55,826 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-24 00:33:55,827 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 00:33:55,827 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 00:33:55,827 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 00:33:55,828 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 00:33:55,828 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:55,828 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:33:55,828 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:33:55,828 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:55,829 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 00:33:55,829 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 00:33:55,829 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 00:33:55,829 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 00:33:55,829 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:33:55,829 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 00:33:55,830 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 00:33:55,830 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 00:33:55,830 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 00:33:55,830 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 00:33:55,830 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 00:33:55,831 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 00:33:55,831 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 00:33:55,831 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 00:33:55,831 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 00:33:55,831 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC 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_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC 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 -> 7bc720b49036ae434d48a543e34b3029cd6dac2700d355b81aed2168ec15f73b [2024-11-24 00:33:56,202 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 00:33:56,212 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 00:33:56,215 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 00:33:56,216 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 00:33:56,217 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 00:33:56,218 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/array-fpi/s4liff.c [2024-11-24 00:33:59,506 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/data/eeaed60c8/961dffb3e14443489aa3ab7ef66aef99/FLAG7695ef9b6 [2024-11-24 00:33:59,817 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 00:33:59,818 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/sv-benchmarks/c/array-fpi/s4liff.c [2024-11-24 00:33:59,832 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/data/eeaed60c8/961dffb3e14443489aa3ab7ef66aef99/FLAG7695ef9b6 [2024-11-24 00:33:59,866 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/data/eeaed60c8/961dffb3e14443489aa3ab7ef66aef99 [2024-11-24 00:33:59,873 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 00:33:59,875 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 00:33:59,880 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 00:33:59,883 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 00:33:59,890 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 00:33:59,891 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:59" (1/1) ... [2024-11-24 00:33:59,894 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59713276 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:33:59, skipping insertion in model container [2024-11-24 00:33:59,894 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 12:33:59" (1/1) ... [2024-11-24 00:33:59,914 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 00:34:00,127 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_3758c487-d21d-4bde-a89d-ddba98351d5e/sv-benchmarks/c/array-fpi/s4liff.c[589,602] [2024-11-24 00:34:00,162 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:34:00,176 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 00:34:00,192 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_3758c487-d21d-4bde-a89d-ddba98351d5e/sv-benchmarks/c/array-fpi/s4liff.c[589,602] [2024-11-24 00:34:00,208 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 00:34:00,227 INFO L204 MainTranslator]: Completed translation [2024-11-24 00:34:00,227 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00 WrapperNode [2024-11-24 00:34:00,228 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 00:34:00,229 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 00:34:00,229 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 00:34:00,229 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 00:34:00,245 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,256 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,284 INFO L138 Inliner]: procedures = 17, calls = 24, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 78 [2024-11-24 00:34:00,286 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 00:34:00,286 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 00:34:00,287 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 00:34:00,287 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 00:34:00,300 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,301 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,305 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,327 INFO L175 MemorySlicer]: Split 13 memory accesses to 3 slices as follows [2, 4, 7]. 54 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 5 writes are split as follows [0, 2, 3]. [2024-11-24 00:34:00,328 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,328 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,335 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,336 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,340 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,342 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,343 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,349 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 00:34:00,350 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 00:34:00,350 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 00:34:00,350 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 00:34:00,351 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (1/1) ... [2024-11-24 00:34:00,361 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 00:34:00,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 00:34:00,392 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 00:34:00,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 00:34:00,434 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 00:34:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 00:34:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-24 00:34:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-24 00:34:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-24 00:34:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-24 00:34:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-24 00:34:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-24 00:34:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2024-11-24 00:34:00,435 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 00:34:00,435 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 00:34:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-24 00:34:00,436 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-24 00:34:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-24 00:34:00,437 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-24 00:34:00,535 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 00:34:00,537 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 00:34:00,795 INFO L? ?]: Removed 12 outVars from TransFormulas that were not future-live. [2024-11-24 00:34:00,795 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 00:34:00,814 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 00:34:00,815 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-24 00:34:00,815 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:34:00 BoogieIcfgContainer [2024-11-24 00:34:00,817 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 00:34:00,822 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 00:34:00,822 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 00:34:00,828 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 00:34:00,828 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 12:33:59" (1/3) ... [2024-11-24 00:34:00,829 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434211e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:34:00, skipping insertion in model container [2024-11-24 00:34:00,829 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 12:34:00" (2/3) ... [2024-11-24 00:34:00,830 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@434211e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 12:34:00, skipping insertion in model container [2024-11-24 00:34:00,830 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:34:00" (3/3) ... [2024-11-24 00:34:00,832 INFO L128 eAbstractionObserver]: Analyzing ICFG s4liff.c [2024-11-24 00:34:00,854 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 00:34:00,857 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG s4liff.c that has 1 procedures, 23 locations, 1 initial locations, 3 loop locations, and 1 error locations. [2024-11-24 00:34:00,953 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 00:34:00,976 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7077bf30, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 00:34:00,977 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 00:34:00,984 INFO L276 IsEmpty]: Start isEmpty. Operand has 23 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:34:00,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 00:34:00,993 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:34:00,994 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:00,994 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:34:01,001 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:01,002 INFO L85 PathProgramCache]: Analyzing trace with hash -1595760861, now seen corresponding path program 1 times [2024-11-24 00:34:01,012 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:34:01,013 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2076849542] [2024-11-24 00:34:01,013 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:01,014 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:34:01,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:01,253 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:34:01,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:34:01,254 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2076849542] [2024-11-24 00:34:01,254 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2076849542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:34:01,255 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:34:01,255 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-24 00:34:01,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [732230329] [2024-11-24 00:34:01,258 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:34:01,263 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-24 00:34:01,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:34:01,287 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-24 00:34:01,288 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:34:01,291 INFO L87 Difference]: Start difference. First operand has 23 states, 21 states have (on average 1.5238095238095237) internal successors, (32), 22 states have internal predecessors, (32), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:34:01,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:34:01,307 INFO L93 Difference]: Finished difference Result 42 states and 58 transitions. [2024-11-24 00:34:01,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-24 00:34:01,309 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-24 00:34:01,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:34:01,318 INFO L225 Difference]: With dead ends: 42 [2024-11-24 00:34:01,318 INFO L226 Difference]: Without dead ends: 19 [2024-11-24 00:34:01,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-24 00:34:01,326 INFO L435 NwaCegarLoop]: 27 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 00:34:01,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 00:34:01,345 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19 states. [2024-11-24 00:34:01,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19 to 19. [2024-11-24 00:34:01,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 18 states have (on average 1.2222222222222223) internal successors, (22), 18 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:34:01,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 22 transitions. [2024-11-24 00:34:01,363 INFO L78 Accepts]: Start accepts. Automaton has 19 states and 22 transitions. Word has length 13 [2024-11-24 00:34:01,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:34:01,364 INFO L471 AbstractCegarLoop]: Abstraction has 19 states and 22 transitions. [2024-11-24 00:34:01,364 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 6.5) internal successors, (13), 2 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:34:01,364 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 22 transitions. [2024-11-24 00:34:01,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-24 00:34:01,365 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:34:01,365 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:01,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 00:34:01,366 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:34:01,367 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:01,367 INFO L85 PathProgramCache]: Analyzing trace with hash -1988787871, now seen corresponding path program 1 times [2024-11-24 00:34:01,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:34:01,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2080232469] [2024-11-24 00:34:01,367 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:01,367 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:34:01,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 00:34:01,578 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 00:34:01,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 00:34:01,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2080232469] [2024-11-24 00:34:01,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2080232469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 00:34:01,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 00:34:01,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 00:34:01,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1850568534] [2024-11-24 00:34:01,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 00:34:01,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 00:34:01,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 00:34:01,583 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 00:34:01,583 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:34:01,584 INFO L87 Difference]: Start difference. First operand 19 states and 22 transitions. Second operand has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:34:01,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 00:34:01,691 INFO L93 Difference]: Finished difference Result 39 states and 48 transitions. [2024-11-24 00:34:01,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 00:34:01,692 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-24 00:34:01,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 00:34:01,692 INFO L225 Difference]: With dead ends: 39 [2024-11-24 00:34:01,692 INFO L226 Difference]: Without dead ends: 27 [2024-11-24 00:34:01,693 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-24 00:34:01,694 INFO L435 NwaCegarLoop]: 8 mSDtfsCounter, 32 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-24 00:34:01,694 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 11 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-24 00:34:01,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-24 00:34:01,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 22. [2024-11-24 00:34:01,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22 states, 21 states have (on average 1.1904761904761905) internal successors, (25), 21 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:34:01,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 25 transitions. [2024-11-24 00:34:01,700 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 25 transitions. Word has length 13 [2024-11-24 00:34:01,701 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 00:34:01,701 INFO L471 AbstractCegarLoop]: Abstraction has 22 states and 25 transitions. [2024-11-24 00:34:01,701 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 00:34:01,701 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 25 transitions. [2024-11-24 00:34:01,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-24 00:34:01,701 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 00:34:01,702 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-24 00:34:01,702 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 00:34:01,702 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 00:34:01,702 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 00:34:01,703 INFO L85 PathProgramCache]: Analyzing trace with hash -1925988239, now seen corresponding path program 1 times [2024-11-24 00:34:01,703 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 00:34:01,703 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570195108] [2024-11-24 00:34:01,703 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 00:34:01,703 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 00:34:01,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:34:01,793 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 00:34:01,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 00:34:01,857 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 00:34:01,858 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 00:34:01,859 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 00:34:01,862 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 00:34:01,869 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1] [2024-11-24 00:34:01,901 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 00:34:01,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 12:34:01 BoogieIcfgContainer [2024-11-24 00:34:01,905 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 00:34:01,906 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 00:34:01,906 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 00:34:01,906 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 00:34:01,907 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 12:34:00" (3/4) ... [2024-11-24 00:34:01,908 INFO L140 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-24 00:34:01,959 INFO L129 tionWitnessGenerator]: Generated YAML witness of length 14. [2024-11-24 00:34:02,026 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/witness.graphml [2024-11-24 00:34:02,027 INFO L149 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3758c487-d21d-4bde-a89d-ddba98351d5e/bin/uautomizer-verify-LYvppIcaGC/witness.yml [2024-11-24 00:34:02,027 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 00:34:02,028 INFO L158 Benchmark]: Toolchain (without parser) took 2153.38ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 79.6MB in the end (delta: 12.5MB). Peak memory consumption was 12.3MB. Max. memory is 16.1GB. [2024-11-24 00:34:02,028 INFO L158 Benchmark]: CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:34:02,029 INFO L158 Benchmark]: CACSL2BoogieTranslator took 348.46ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 80.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:34:02,029 INFO L158 Benchmark]: Boogie Procedure Inliner took 56.84ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:34:02,030 INFO L158 Benchmark]: Boogie Preprocessor took 62.58ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:34:02,030 INFO L158 Benchmark]: RCFGBuilder took 467.16ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 66.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:34:02,031 INFO L158 Benchmark]: TraceAbstraction took 1083.91ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 84.5MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 00:34:02,031 INFO L158 Benchmark]: Witness Printer took 120.77ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 79.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 00:34:02,033 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45ms. Allocated memory is still 117.4MB. Free memory is still 73.0MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 348.46ms. Allocated memory is still 117.4MB. Free memory was 92.2MB in the beginning and 80.7MB in the end (delta: 11.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 56.84ms. Allocated memory is still 117.4MB. Free memory was 80.7MB in the beginning and 79.5MB in the end (delta: 1.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 62.58ms. Allocated memory is still 117.4MB. Free memory was 79.5MB in the beginning and 77.9MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 467.16ms. Allocated memory is still 117.4MB. Free memory was 77.7MB in the beginning and 66.3MB in the end (delta: 11.4MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 1083.91ms. Allocated memory is still 117.4MB. Free memory was 65.7MB in the beginning and 84.5MB in the end (delta: -18.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 120.77ms. Allocated memory is still 117.4MB. Free memory was 84.5MB in the beginning and 79.6MB in the end (delta: 4.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 15]: a call to reach_error is reachable a call to reach_error is reachable We found a FailurePath: [L19] int N; VAL [N=0] [L23] N = __VERIFIER_nondet_int() [L24] COND FALSE !(N <= 0) [L25] CALL assume_abort_if_not(N <= 2147483647/sizeof(int)) [L13] COND FALSE !(!cond) VAL [N=1] [L25] RET assume_abort_if_not(N <= 2147483647/sizeof(int)) [L27] int i; [L28] long long sum[1]; [L29] int *a = malloc(sizeof(int)*N); [L31] sum[0] = N [L32] i=0 VAL [N=1, a={-1:0}, i=0, sum={7:0}] [L32] COND TRUE i