./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/forester-heap/dll-sorted-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc 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_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-sorted-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya --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 97c87a4be2f33468a224d89594f96c367f5837bb79771cd5155d22e1299d7831 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 03:55:10,649 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 03:55:10,716 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Default.epf [2023-11-29 03:55:10,720 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 03:55:10,721 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 03:55:10,746 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 03:55:10,746 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 03:55:10,747 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 03:55:10,748 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 03:55:10,748 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 03:55:10,749 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 03:55:10,749 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 03:55:10,750 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 03:55:10,750 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 03:55:10,751 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 03:55:10,751 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 03:55:10,752 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 03:55:10,752 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 03:55:10,753 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-29 03:55:10,753 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 03:55:10,754 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 03:55:10,755 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 03:55:10,755 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 03:55:10,756 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 03:55:10,756 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 03:55:10,757 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 03:55:10,757 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 03:55:10,758 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 03:55:10,758 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 03:55:10,758 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 03:55:10,759 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 03:55:10,759 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:55:10,760 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 03:55:10,760 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 03:55:10,760 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 03:55:10,760 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2023-11-29 03:55:10,760 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-29 03:55:10,761 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 03:55:10,761 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 03:55:10,761 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 03:55:10,761 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 03:55:10,761 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 03:55:10,762 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_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97c87a4be2f33468a224d89594f96c367f5837bb79771cd5155d22e1299d7831 [2023-11-29 03:55:10,978 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 03:55:10,999 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 03:55:11,001 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 03:55:11,002 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 03:55:11,002 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 03:55:11,003 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2023-11-29 03:55:13,729 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 03:55:13,937 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 03:55:13,938 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2023-11-29 03:55:13,952 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/data/4b385d0a3/bad643ac75bc4263b8f629a6a6f8f950/FLAGd2216b857 [2023-11-29 03:55:13,966 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/data/4b385d0a3/bad643ac75bc4263b8f629a6a6f8f950 [2023-11-29 03:55:13,968 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 03:55:13,970 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 03:55:13,971 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 03:55:13,971 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 03:55:13,976 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 03:55:13,976 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:55:13" (1/1) ... [2023-11-29 03:55:13,978 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5aa4e9ef and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:13, skipping insertion in model container [2023-11-29 03:55:13,978 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 03:55:13" (1/1) ... [2023-11-29 03:55:14,025 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 03:55:14,267 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22384,22397] [2023-11-29 03:55:14,273 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22614,22627] [2023-11-29 03:55:14,277 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22989,23002] [2023-11-29 03:55:14,278 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23053,23066] [2023-11-29 03:55:14,280 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23184,23197] [2023-11-29 03:55:14,280 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23248,23261] [2023-11-29 03:55:14,284 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:55:14,294 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 03:55:14,327 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22384,22397] [2023-11-29 03:55:14,330 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22614,22627] [2023-11-29 03:55:14,334 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22989,23002] [2023-11-29 03:55:14,335 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23053,23066] [2023-11-29 03:55:14,336 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23184,23197] [2023-11-29 03:55:14,337 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23248,23261] [2023-11-29 03:55:14,340 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 03:55:14,366 INFO L206 MainTranslator]: Completed translation [2023-11-29 03:55:14,367 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14 WrapperNode [2023-11-29 03:55:14,367 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 03:55:14,368 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 03:55:14,368 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 03:55:14,368 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 03:55:14,374 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,388 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,412 INFO L138 Inliner]: procedures = 119, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 196 [2023-11-29 03:55:14,412 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 03:55:14,413 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 03:55:14,413 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 03:55:14,413 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 03:55:14,423 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,423 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,428 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,447 INFO L175 MemorySlicer]: Split 37 memory accesses to 2 slices as follows [2, 35]. 95 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 15 writes are split as follows [0, 15]. [2023-11-29 03:55:14,447 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,448 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,458 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,462 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,465 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,466 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,470 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 03:55:14,471 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 03:55:14,471 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 03:55:14,471 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 03:55:14,472 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (1/1) ... [2023-11-29 03:55:14,478 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 03:55:14,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:55:14,497 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 03:55:14,515 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 03:55:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2023-11-29 03:55:14,549 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2023-11-29 03:55:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2023-11-29 03:55:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2023-11-29 03:55:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 03:55:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 03:55:14,550 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 03:55:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 03:55:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 03:55:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 03:55:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 03:55:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2023-11-29 03:55:14,551 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2023-11-29 03:55:14,552 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 03:55:14,552 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 03:55:14,694 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 03:55:14,696 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 03:55:14,931 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 03:55:14,957 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 03:55:14,957 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-11-29 03:55:14,957 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:55:14 BoogieIcfgContainer [2023-11-29 03:55:14,958 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 03:55:14,960 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 03:55:14,961 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 03:55:14,964 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 03:55:14,964 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 03:55:13" (1/3) ... [2023-11-29 03:55:14,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a0210a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:55:14, skipping insertion in model container [2023-11-29 03:55:14,965 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 03:55:14" (2/3) ... [2023-11-29 03:55:14,965 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79a0210a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 03:55:14, skipping insertion in model container [2023-11-29 03:55:14,966 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 03:55:14" (3/3) ... [2023-11-29 03:55:14,967 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-sorted-2.i [2023-11-29 03:55:14,984 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 03:55:14,984 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-29 03:55:15,033 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 03:55:15,039 INFO L357 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, mHoare=true, 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;@2eb032e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 03:55:15,039 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-29 03:55:15,043 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 46 states have (on average 1.9130434782608696) internal successors, (88), 52 states have internal predecessors, (88), 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) [2023-11-29 03:55:15,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-29 03:55:15,049 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:55:15,050 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 03:55:15,050 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:55:15,056 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:55:15,056 INFO L85 PathProgramCache]: Analyzing trace with hash 246459149, now seen corresponding path program 1 times [2023-11-29 03:55:15,066 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:55:15,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1526670439] [2023-11-29 03:55:15,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:55:15,067 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:55:15,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:55:15,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:55:15,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:55:15,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1526670439] [2023-11-29 03:55:15,243 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1526670439] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:55:15,243 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:55:15,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:55:15,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752589580] [2023-11-29 03:55:15,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:55:15,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 03:55:15,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:55:15,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 03:55:15,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 03:55:15,280 INFO L87 Difference]: Start difference. First operand has 53 states, 46 states have (on average 1.9130434782608696) internal successors, (88), 52 states have internal predecessors, (88), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-11-29 03:55:15,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:55:15,310 INFO L93 Difference]: Finished difference Result 101 states and 167 transitions. [2023-11-29 03:55:15,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 03:55:15,313 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2023-11-29 03:55:15,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:55:15,321 INFO L225 Difference]: With dead ends: 101 [2023-11-29 03:55:15,321 INFO L226 Difference]: Without dead ends: 49 [2023-11-29 03:55:15,324 INFO L412 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 [2023-11-29 03:55:15,328 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:55:15,329 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:55:15,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-29 03:55:15,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-29 03:55:15,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 43 states have (on average 1.372093023255814) internal successors, (59), 48 states have internal predecessors, (59), 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) [2023-11-29 03:55:15,362 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2023-11-29 03:55:15,364 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 5 [2023-11-29 03:55:15,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:55:15,364 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2023-11-29 03:55:15,365 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-11-29 03:55:15,365 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-29 03:55:15,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 03:55:15,365 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:55:15,365 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 03:55:15,366 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-29 03:55:15,366 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:55:15,367 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:55:15,367 INFO L85 PathProgramCache]: Analyzing trace with hash -967789872, now seen corresponding path program 1 times [2023-11-29 03:55:15,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:55:15,367 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838222164] [2023-11-29 03:55:15,367 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:55:15,368 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:55:15,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:55:15,440 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:55:15,440 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:55:15,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838222164] [2023-11-29 03:55:15,441 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838222164] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:55:15,441 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:55:15,441 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 03:55:15,441 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [27740293] [2023-11-29 03:55:15,441 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:55:15,443 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 03:55:15,443 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:55:15,443 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 03:55:15,444 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:55:15,444 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-29 03:55:15,492 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:55:15,492 INFO L93 Difference]: Finished difference Result 102 states and 125 transitions. [2023-11-29 03:55:15,493 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 03:55:15,493 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2023-11-29 03:55:15,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:55:15,494 INFO L225 Difference]: With dead ends: 102 [2023-11-29 03:55:15,494 INFO L226 Difference]: Without dead ends: 54 [2023-11-29 03:55:15,495 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 03:55:15,496 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 27 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 03:55:15,497 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 77 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 03:55:15,498 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-29 03:55:15,503 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2023-11-29 03:55:15,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 52 states have internal predecessors, (64), 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) [2023-11-29 03:55:15,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2023-11-29 03:55:15,505 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 6 [2023-11-29 03:55:15,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:55:15,505 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2023-11-29 03:55:15,505 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-29 03:55:15,506 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-29 03:55:15,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 03:55:15,506 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:55:15,506 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:55:15,507 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-29 03:55:15,507 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:55:15,507 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:55:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash -25720539, now seen corresponding path program 1 times [2023-11-29 03:55:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:55:15,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1132872351] [2023-11-29 03:55:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:55:15,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:55:15,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:55:15,653 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 03:55:15,653 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:55:15,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1132872351] [2023-11-29 03:55:15,654 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1132872351] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 03:55:15,654 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 03:55:15,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 03:55:15,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740768470] [2023-11-29 03:55:15,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 03:55:15,656 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 03:55:15,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:55:15,656 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 03:55:15,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 03:55:15,657 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-29 03:55:15,786 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:55:15,786 INFO L93 Difference]: Finished difference Result 86 states and 104 transitions. [2023-11-29 03:55:15,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 03:55:15,787 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 10 [2023-11-29 03:55:15,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:55:15,788 INFO L225 Difference]: With dead ends: 86 [2023-11-29 03:55:15,788 INFO L226 Difference]: Without dead ends: 84 [2023-11-29 03:55:15,789 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 03:55:15,790 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 135 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2023-11-29 03:55:15,791 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 61 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2023-11-29 03:55:15,792 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-29 03:55:15,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 51. [2023-11-29 03:55:15,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 50 states have internal predecessors, (62), 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) [2023-11-29 03:55:15,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2023-11-29 03:55:15,803 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 10 [2023-11-29 03:55:15,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:55:15,803 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2023-11-29 03:55:15,804 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-29 03:55:15,804 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2023-11-29 03:55:15,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 03:55:15,805 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:55:15,805 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:55:15,805 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2023-11-29 03:55:15,806 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:55:15,806 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:55:15,806 INFO L85 PathProgramCache]: Analyzing trace with hash 246593115, now seen corresponding path program 1 times [2023-11-29 03:55:15,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:55:15,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227981459] [2023-11-29 03:55:15,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:55:15,807 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:55:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:55:16,703 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:55:16,703 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:55:16,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227981459] [2023-11-29 03:55:16,704 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227981459] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:55:16,704 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178631702] [2023-11-29 03:55:16,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:55:16,704 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:55:16,705 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:55:16,708 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:55:16,711 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2023-11-29 03:55:16,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:55:16,832 INFO L262 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 42 conjunts are in the unsatisfiable core [2023-11-29 03:55:16,839 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:55:16,888 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:55:16,946 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:16,950 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:16,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2023-11-29 03:55:16,959 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:16,962 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:16,964 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 30 [2023-11-29 03:55:16,987 INFO L349 Elim1Store]: treesize reduction 17, result has 22.7 percent of original size [2023-11-29 03:55:16,988 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 25 treesize of output 18 [2023-11-29 03:55:17,001 INFO L349 Elim1Store]: treesize reduction 4, result has 66.7 percent of original size [2023-11-29 03:55:17,001 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 15 treesize of output 15 [2023-11-29 03:55:17,012 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:17,014 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 03:55:17,072 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 03:55:17,073 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2023-11-29 03:55:17,079 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 03:55:17,105 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-29 03:55:17,338 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-29 03:55:17,349 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 03:55:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:55:17,374 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:55:17,467 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 49 [2023-11-29 03:55:17,483 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_169 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_169) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.offset|)) (forall ((v_ArrVal_168 (Array Int Int))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_168) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|))) is different from false [2023-11-29 03:55:17,541 INFO L349 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2023-11-29 03:55:17,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 233 treesize of output 212 [2023-11-29 03:55:17,599 INFO L349 Elim1Store]: treesize reduction 15, result has 70.0 percent of original size [2023-11-29 03:55:17,599 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 165 treesize of output 182 [2023-11-29 03:55:17,672 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:55:17,672 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 259 treesize of output 248 [2023-11-29 03:55:17,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 175 treesize of output 169 [2023-11-29 03:55:17,730 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:55:17,731 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 233 treesize of output 242 [2023-11-29 03:55:17,750 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 188 treesize of output 182 [2023-11-29 03:55:18,799 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:55:18,800 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 29 treesize of output 29 [2023-11-29 03:55:18,859 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:55:18,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178631702] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 03:55:18,860 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2023-11-29 03:55:18,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 15 [2023-11-29 03:55:18,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068268900] [2023-11-29 03:55:18,861 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2023-11-29 03:55:18,861 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2023-11-29 03:55:18,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2023-11-29 03:55:18,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2023-11-29 03:55:18,863 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=175, Unknown=1, NotChecked=26, Total=240 [2023-11-29 03:55:18,863 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 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) [2023-11-29 03:55:19,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 03:55:19,593 INFO L93 Difference]: Finished difference Result 108 states and 141 transitions. [2023-11-29 03:55:19,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2023-11-29 03:55:19,593 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 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 20 [2023-11-29 03:55:19,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 03:55:19,596 INFO L225 Difference]: With dead ends: 108 [2023-11-29 03:55:19,596 INFO L226 Difference]: Without dead ends: 106 [2023-11-29 03:55:19,597 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 31 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=87, Invalid=336, Unknown=1, NotChecked=38, Total=462 [2023-11-29 03:55:19,598 INFO L413 NwaCegarLoop]: 46 mSDtfsCounter, 131 mSDsluCounter, 393 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 439 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 103 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2023-11-29 03:55:19,598 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 439 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 351 Invalid, 0 Unknown, 103 Unchecked, 0.5s Time] [2023-11-29 03:55:19,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2023-11-29 03:55:19,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 69. [2023-11-29 03:55:19,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 64 states have (on average 1.359375) internal successors, (87), 68 states have internal predecessors, (87), 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) [2023-11-29 03:55:19,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2023-11-29 03:55:19,612 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 20 [2023-11-29 03:55:19,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 03:55:19,612 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2023-11-29 03:55:19,612 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.25) internal successors, (52), 15 states have internal predecessors, (52), 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) [2023-11-29 03:55:19,613 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-11-29 03:55:19,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 03:55:19,614 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 03:55:19,614 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 03:55:19,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2023-11-29 03:55:19,814 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:55:19,815 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 03:55:19,815 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 03:55:19,815 INFO L85 PathProgramCache]: Analyzing trace with hash 1618331757, now seen corresponding path program 1 times [2023-11-29 03:55:19,815 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2023-11-29 03:55:19,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [674116909] [2023-11-29 03:55:19,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:55:19,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-29 03:55:19,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:55:20,378 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:55:20,378 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2023-11-29 03:55:20,378 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [674116909] [2023-11-29 03:55:20,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [674116909] provided 0 perfect and 1 imperfect interpolant sequences [2023-11-29 03:55:20,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [488505531] [2023-11-29 03:55:20,379 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 03:55:20,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 03:55:20,379 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 03:55:20,384 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2023-11-29 03:55:20,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2023-11-29 03:55:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 03:55:20,503 INFO L262 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 47 conjunts are in the unsatisfiable core [2023-11-29 03:55:20,507 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 03:55:20,518 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 5 [2023-11-29 03:55:20,582 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 03:55:20,590 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 45 [2023-11-29 03:55:20,601 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-29 03:55:20,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 26 [2023-11-29 03:55:20,608 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 03:55:20,612 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 03:55:20,644 INFO L349 Elim1Store]: treesize reduction 17, result has 46.9 percent of original size [2023-11-29 03:55:20,645 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 53 treesize of output 53 [2023-11-29 03:55:20,664 INFO L349 Elim1Store]: treesize reduction 11, result has 8.3 percent of original size [2023-11-29 03:55:20,664 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 43 treesize of output 26 [2023-11-29 03:55:20,670 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 03:55:20,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 03:55:20,695 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 03:55:20,695 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 11 treesize of output 11 [2023-11-29 03:55:20,706 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 27 [2023-11-29 03:55:20,709 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:20,712 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 24 [2023-11-29 03:55:20,719 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2023-11-29 03:55:20,792 INFO L349 Elim1Store]: treesize reduction 7, result has 12.5 percent of original size [2023-11-29 03:55:20,792 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 85 treesize of output 58 [2023-11-29 03:55:20,802 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 2 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 25 [2023-11-29 03:55:21,014 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 03:55:21,014 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 03:55:21,115 WARN L854 $PredicateComparison]: unable to prove that (let ((.cse0 (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse3 (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base|)) (.cse1 (+ |c_ULTIMATE.start_main_~x~0#1.offset| 8))) (and (forall ((v_ArrVal_266 (Array Int Int))) (or (forall ((v_ArrVal_265 (Array Int Int))) (or (not (= v_ArrVal_265 (store .cse0 .cse1 (select v_ArrVal_265 .cse1)))) (= (let ((.cse2 (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_266))) (select (select .cse2 (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_265) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (select (select .cse2 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) 0))) (not (= v_ArrVal_266 (store .cse3 .cse1 (select v_ArrVal_266 .cse1)))))) (forall ((v_ArrVal_266 (Array Int Int))) (or (forall ((v_ArrVal_265 (Array Int Int))) (or (not (= v_ArrVal_265 (store .cse0 .cse1 (select v_ArrVal_265 .cse1)))) (= (select (let ((.cse4 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_265))) (select .cse4 (select (select .cse4 |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_266) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) 0))) (not (= v_ArrVal_266 (store .cse3 .cse1 (select v_ArrVal_266 .cse1)))))))) is different from false [2023-11-29 03:55:21,185 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:55:21,185 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 589 treesize of output 462 [2023-11-29 03:55:21,278 INFO L349 Elim1Store]: treesize reduction 15, result has 70.0 percent of original size [2023-11-29 03:55:21,278 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 3 case distinctions, treesize of input 453 treesize of output 350 [2023-11-29 03:55:21,636 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:55:21,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 8 select indices, 8 select index equivalence classes, 0 disjoint index pairs (out of 28 index pairs), introduced 9 new quantified variables, introduced 28 case distinctions, treesize of input 172269 treesize of output 168225 [2023-11-29 03:55:26,140 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:55:26,142 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 7 select indices, 7 select index equivalence classes, 0 disjoint index pairs (out of 21 index pairs), introduced 7 new quantified variables, introduced 21 case distinctions, treesize of input 25669 treesize of output 25259 [2023-11-29 03:55:27,814 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 03:55:27,815 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 5 new quantified variables, introduced 10 case distinctions, treesize of input 17609 treesize of output 16005 [2023-11-29 03:55:29,807 INFO L349 Elim1Store]: treesize reduction 832, result has 28.5 percent of original size [2023-11-29 03:55:29,808 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 4 stores, 5 select indices, 5 select index equivalence classes, 1 disjoint index pairs (out of 10 index pairs), introduced 12 new quantified variables, introduced 38 case distinctions, treesize of input 15725 treesize of output 15989 [2023-11-29 03:55:37,113 INFO L224 Elim1Store]: Index analysis took 303 ms [2023-11-29 03:55:37,193 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:37,265 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:37,281 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:37,897 INFO L349 Elim1Store]: treesize reduction 604, result has 6.1 percent of original size [2023-11-29 03:55:37,898 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 19 case distinctions, treesize of input 119 treesize of output 165 [2023-11-29 03:55:49,968 INFO L224 Elim1Store]: Index analysis took 215 ms [2023-11-29 03:55:50,014 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:50,074 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:50,093 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:50,600 INFO L349 Elim1Store]: treesize reduction 604, result has 6.1 percent of original size [2023-11-29 03:55:50,600 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 19 case distinctions, treesize of input 119 treesize of output 165 [2023-11-29 03:55:51,661 INFO L224 Elim1Store]: Index analysis took 318 ms [2023-11-29 03:55:51,723 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:51,778 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:51,791 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 03:55:52,345 INFO L349 Elim1Store]: treesize reduction 604, result has 6.1 percent of original size [2023-11-29 03:55:52,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 3 stores, 4 select indices, 4 select index equivalence classes, 2 disjoint index pairs (out of 6 index pairs), introduced 4 new quantified variables, introduced 19 case distinctions, treesize of input 119 treesize of output 165 [2023-11-29 03:57:59,221 WARN L293 SmtUtils]: Spent 13.55s on a formula simplification. DAG size of input: 2363 DAG size of output: 6265 (called from [L 731] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2023-11-29 04:03:59,969 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 101 [2023-11-29 04:03:59,969 WARN L249 Executor]: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) stderr output: (error "out of memory") [2023-11-29 04:03:59,971 WARN L320 FreeRefinementEngine]: Global settings require throwing the following exception [2023-11-29 04:03:59,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2023-11-29 04:04:00,172 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2023-11-29 04:04:00,173 FATAL L? ?]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:277) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.push(Scriptor.java:133) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.arrays.DiffWrapperScript.push(DiffWrapperScript.java:90) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.push(WrapperScript.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.scripttransfer.HistoryRecordingScript.push(HistoryRecordingScript.java:107) at de.uni_freiburg.informatik.ultimate.logic.Util.checkSat(Util.java:48) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.checkRedundancy(SimplifyDDA2.java:268) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convertForPreprocessedInputTerms(SimplifyDDA2.java:410) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:394) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.convert(SimplifyDDA2.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SimplifyDDA2.simplify(SimplifyDDA2.java:500) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplify(SmtUtils.java:252) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.simplifyWithStatistics(SmtUtils.java:324) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify(QuantifierPusher.java:731) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:140) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.pushInner(QuantifierPusher.java:275) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:194) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine$ApplicationTermTask.doStep(TermContextTransformationEngine.java:209) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:100) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.pushMinionEliminatees(QuantifierPushUtilsForSubsetPush.java:255) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushUtilsForSubsetPush.sequentialSubsetPush(QuantifierPushUtilsForSubsetPush.java:151) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.tryToPushOverDualFiniteConnective(QuantifierPusher.java:338) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:189) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.convert(QuantifierPushTermWalker.java:1) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:88) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.TermContextTransformationEngine.transform(TermContextTransformationEngine.java:84) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:297) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPushTermWalker.eliminate(QuantifierPushTermWalker.java:283) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.PartialQuantifierElimination.eliminate(PartialQuantifierElimination.java:51) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer$QuantifierEliminationPostprocessor.postprocess(IterativePredicateTransformer.java:238) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.applyPostprocessors(IterativePredicateTransformer.java:420) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeBackwardSequence(IterativePredicateTransformer.java:399) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.predicates.IterativePredicateTransformer.computeWeakestPreconditionSequence(IterativePredicateTransformer.java:271) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolantsUsingUnsatCore(TraceCheckSpWp.java:341) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.computeInterpolants(TraceCheckSpWp.java:184) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheckSpWp.(TraceCheckSpWp.java:162) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:110) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleSpWp.construct(IpTcStrategyModuleSpWp.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getInterpolantComputationStatus(IpTcStrategyModuleBase.java:77) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.tryExecuteInterpolantGenerator(AutomatonFreeRefinementEngine.java:267) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.generateProof(AutomatonFreeRefinementEngine.java:148) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:137) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:82) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:337) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:431) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.startCegar(AbstractCegarLoop.java:366) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.runCegar(AbstractCegarLoop.java:348) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.executeCegarLoop(TraceAbstractionStarter.java:415) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseProgram(TraceAbstractionStarter.java:302) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.analyseSequentialProgram(TraceAbstractionStarter.java:262) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:175) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:154) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:124) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:167) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:150) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:127) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:233) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:227) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:144) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:106) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:319) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) Caused by: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: EOF at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1518) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:701) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:383) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:258) ... 75 more [2023-11-29 04:04:00,176 INFO L158 Benchmark]: Toolchain (without parser) took 526206.32ms. Allocated memory was 165.7MB in the beginning and 755.0MB in the end (delta: 589.3MB). Free memory was 121.5MB in the beginning and 563.3MB in the end (delta: -441.8MB). Peak memory consumption was 467.3MB. Max. memory is 16.1GB. [2023-11-29 04:04:00,177 INFO L158 Benchmark]: CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. [2023-11-29 04:04:00,177 INFO L158 Benchmark]: CACSL2BoogieTranslator took 396.03ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 102.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. [2023-11-29 04:04:00,177 INFO L158 Benchmark]: Boogie Procedure Inliner took 44.36ms. Allocated memory is still 165.7MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:04:00,177 INFO L158 Benchmark]: Boogie Preprocessor took 57.50ms. Allocated memory is still 165.7MB. Free memory was 99.9MB in the beginning and 96.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2023-11-29 04:04:00,178 INFO L158 Benchmark]: RCFGBuilder took 486.59ms. Allocated memory is still 165.7MB. Free memory was 96.8MB in the beginning and 120.4MB in the end (delta: -23.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. [2023-11-29 04:04:00,178 INFO L158 Benchmark]: TraceAbstraction took 525215.40ms. Allocated memory was 165.7MB in the beginning and 755.0MB in the end (delta: 589.3MB). Free memory was 119.4MB in the beginning and 563.3MB in the end (delta: -444.0MB). Peak memory consumption was 463.6MB. Max. memory is 16.1GB. [2023-11-29 04:04:00,180 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13ms. Allocated memory is still 111.1MB. Free memory is still 58.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 396.03ms. Allocated memory is still 165.7MB. Free memory was 121.0MB in the beginning and 102.0MB in the end (delta: 18.9MB). Peak memory consumption was 18.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 44.36ms. Allocated memory is still 165.7MB. Free memory was 102.0MB in the beginning and 99.9MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 57.50ms. Allocated memory is still 165.7MB. Free memory was 99.9MB in the beginning and 96.9MB in the end (delta: 3.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 486.59ms. Allocated memory is still 165.7MB. Free memory was 96.8MB in the beginning and 120.4MB in the end (delta: -23.6MB). Peak memory consumption was 12.1MB. Max. memory is 16.1GB. * TraceAbstraction took 525215.40ms. Allocated memory was 165.7MB in the beginning and 755.0MB in the end (delta: 589.3MB). Free memory was 119.4MB in the beginning and 563.3MB in the end (delta: -444.0MB). Peak memory consumption was 463.6MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: External (MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1) with exit command (exit)) Received EOF on stdin. stderr output: (error "out of memory") : de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:262) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### 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_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/config/AutomizerReach.xml -i ../../sv-benchmarks/c/forester-heap/dll-sorted-2.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya --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 97c87a4be2f33468a224d89594f96c367f5837bb79771cd5155d22e1299d7831 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-29 04:04:02,120 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-29 04:04:02,202 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/config/svcomp-Reach-32bit-Automizer_Bitvector.epf [2023-11-29 04:04:02,209 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-29 04:04:02,209 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-29 04:04:02,242 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-29 04:04:02,243 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-29 04:04:02,244 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-29 04:04:02,244 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2023-11-29 04:04:02,245 INFO L153 SettingsManager]: * Use memory slicer=true [2023-11-29 04:04:02,246 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-29 04:04:02,247 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-29 04:04:02,248 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2023-11-29 04:04:02,248 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2023-11-29 04:04:02,249 INFO L153 SettingsManager]: * Use SBE=true [2023-11-29 04:04:02,250 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-29 04:04:02,250 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-29 04:04:02,251 INFO L153 SettingsManager]: * sizeof long=4 [2023-11-29 04:04:02,251 INFO L153 SettingsManager]: * sizeof POINTER=4 [2023-11-29 04:04:02,252 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-29 04:04:02,252 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-29 04:04:02,253 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-29 04:04:02,254 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-29 04:04:02,254 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2023-11-29 04:04:02,254 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2023-11-29 04:04:02,255 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2023-11-29 04:04:02,255 INFO L153 SettingsManager]: * sizeof long double=12 [2023-11-29 04:04:02,255 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-29 04:04:02,256 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-29 04:04:02,256 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-29 04:04:02,257 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2023-11-29 04:04:02,257 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-29 04:04:02,257 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-29 04:04:02,258 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:04:02,258 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-29 04:04:02,258 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-29 04:04:02,259 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-29 04:04:02,259 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2023-11-29 04:04:02,259 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2023-11-29 04:04:02,259 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-29 04:04:02,259 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2023-11-29 04:04:02,260 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-29 04:04:02,260 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2023-11-29 04:04:02,260 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-29 04:04:02,261 INFO L153 SettingsManager]: * Logic for external solver=AUFBV [2023-11-29 04:04:02,261 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_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 97c87a4be2f33468a224d89594f96c367f5837bb79771cd5155d22e1299d7831 [2023-11-29 04:04:02,570 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-29 04:04:02,594 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-29 04:04:02,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-29 04:04:02,599 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-29 04:04:02,599 INFO L274 PluginConnector]: CDTParser initialized [2023-11-29 04:04:02,601 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/../../sv-benchmarks/c/forester-heap/dll-sorted-2.i [2023-11-29 04:04:05,536 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-29 04:04:05,782 INFO L384 CDTParser]: Found 1 translation units. [2023-11-29 04:04:05,783 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i [2023-11-29 04:04:05,799 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/data/c1baf2473/2681cd495b47402084ab5013550b44c0/FLAGc2f92fc74 [2023-11-29 04:04:05,815 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/data/c1baf2473/2681cd495b47402084ab5013550b44c0 [2023-11-29 04:04:05,818 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-29 04:04:05,820 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-29 04:04:05,822 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-29 04:04:05,822 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-29 04:04:05,827 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-29 04:04:05,828 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:04:05" (1/1) ... [2023-11-29 04:04:05,830 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77595e88 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:05, skipping insertion in model container [2023-11-29 04:04:05,830 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 04:04:05" (1/1) ... [2023-11-29 04:04:05,907 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-29 04:04:06,238 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22384,22397] [2023-11-29 04:04:06,246 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22614,22627] [2023-11-29 04:04:06,252 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22989,23002] [2023-11-29 04:04:06,253 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23053,23066] [2023-11-29 04:04:06,255 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23184,23197] [2023-11-29 04:04:06,257 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23248,23261] [2023-11-29 04:04:06,262 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:04:06,280 INFO L202 MainTranslator]: Completed pre-run [2023-11-29 04:04:06,321 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22384,22397] [2023-11-29 04:04:06,325 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22614,22627] [2023-11-29 04:04:06,330 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[22989,23002] [2023-11-29 04:04:06,331 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23053,23066] [2023-11-29 04:04:06,333 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23184,23197] [2023-11-29 04:04:06,334 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_d5b53210-42df-4fde-bd55-8bb72a366e17/sv-benchmarks/c/forester-heap/dll-sorted-2.i[23248,23261] [2023-11-29 04:04:06,337 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-29 04:04:06,376 INFO L206 MainTranslator]: Completed translation [2023-11-29 04:04:06,377 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06 WrapperNode [2023-11-29 04:04:06,377 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-29 04:04:06,378 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-29 04:04:06,378 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-29 04:04:06,379 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-29 04:04:06,388 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,410 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,441 INFO L138 Inliner]: procedures = 122, calls = 45, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 194 [2023-11-29 04:04:06,441 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-29 04:04:06,442 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-29 04:04:06,443 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-29 04:04:06,443 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-29 04:04:06,456 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,457 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,462 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,483 INFO L175 MemorySlicer]: Split 37 memory accesses to 2 slices as follows [2, 35]. 95 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 15 writes are split as follows [0, 15]. [2023-11-29 04:04:06,484 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,484 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,499 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,514 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,517 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,520 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,525 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-29 04:04:06,527 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-29 04:04:06,527 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-29 04:04:06,527 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-29 04:04:06,528 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (1/1) ... [2023-11-29 04:04:06,535 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2023-11-29 04:04:06,548 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 [2023-11-29 04:04:06,566 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2023-11-29 04:04:06,579 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2023-11-29 04:04:06,611 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#0 [2023-11-29 04:04:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure read~intINTTYPE4#1 [2023-11-29 04:04:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-29 04:04:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-29 04:04:06,612 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#0 [2023-11-29 04:04:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$#1 [2023-11-29 04:04:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#0 [2023-11-29 04:04:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$#1 [2023-11-29 04:04:06,613 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-29 04:04:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#0 [2023-11-29 04:04:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~intINTTYPE4#1 [2023-11-29 04:04:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2023-11-29 04:04:06,614 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#1 [2023-11-29 04:04:06,615 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-29 04:04:06,615 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-29 04:04:06,760 INFO L241 CfgBuilder]: Building ICFG [2023-11-29 04:04:06,763 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-29 04:04:07,327 INFO L282 CfgBuilder]: Performing block encoding [2023-11-29 04:04:07,361 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-29 04:04:07,361 INFO L309 CfgBuilder]: Removed 18 assume(true) statements. [2023-11-29 04:04:07,362 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:04:07 BoogieIcfgContainer [2023-11-29 04:04:07,362 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-29 04:04:07,365 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-29 04:04:07,365 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-29 04:04:07,369 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-29 04:04:07,369 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.11 04:04:05" (1/3) ... [2023-11-29 04:04:07,370 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a151796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:04:07, skipping insertion in model container [2023-11-29 04:04:07,370 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 04:04:06" (2/3) ... [2023-11-29 04:04:07,371 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a151796 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.11 04:04:07, skipping insertion in model container [2023-11-29 04:04:07,371 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 04:04:07" (3/3) ... [2023-11-29 04:04:07,372 INFO L112 eAbstractionObserver]: Analyzing ICFG dll-sorted-2.i [2023-11-29 04:04:07,396 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-29 04:04:07,396 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 6 error locations. [2023-11-29 04:04:07,464 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-29 04:04:07,470 INFO L357 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, mHoare=true, 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;@8fd1a46, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-29 04:04:07,470 INFO L358 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2023-11-29 04:04:07,474 INFO L276 IsEmpty]: Start isEmpty. Operand has 53 states, 46 states have (on average 1.9130434782608696) internal successors, (88), 52 states have internal predecessors, (88), 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) [2023-11-29 04:04:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2023-11-29 04:04:07,482 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:07,482 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2023-11-29 04:04:07,483 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 04:04:07,490 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:07,490 INFO L85 PathProgramCache]: Analyzing trace with hash 246459149, now seen corresponding path program 1 times [2023-11-29 04:04:07,504 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:07,505 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1429933019] [2023-11-29 04:04:07,505 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:07,506 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:07,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:07,508 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:07,546 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2023-11-29 04:04:07,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:07,648 INFO L262 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 1 conjunts are in the unsatisfiable core [2023-11-29 04:04:07,652 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:07,667 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:04:07,668 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:07,669 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:07,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1429933019] [2023-11-29 04:04:07,669 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1429933019] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:07,670 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:07,670 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:04:07,672 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737464138] [2023-11-29 04:04:07,672 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:07,676 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2023-11-29 04:04:07,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:07,704 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2023-11-29 04:04:07,704 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:04:07,706 INFO L87 Difference]: Start difference. First operand has 53 states, 46 states have (on average 1.9130434782608696) internal successors, (88), 52 states have internal predecessors, (88), 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 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-11-29 04:04:07,778 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:07,778 INFO L93 Difference]: Finished difference Result 101 states and 167 transitions. [2023-11-29 04:04:07,780 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2023-11-29 04:04:07,781 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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 5 [2023-11-29 04:04:07,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:07,790 INFO L225 Difference]: With dead ends: 101 [2023-11-29 04:04:07,790 INFO L226 Difference]: Without dead ends: 49 [2023-11-29 04:04:07,793 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2023-11-29 04:04:07,797 INFO L413 NwaCegarLoop]: 62 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 2 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 2 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 2 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:07,799 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 62 Invalid, 2 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 2 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2023-11-29 04:04:07,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 49 states. [2023-11-29 04:04:07,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 49 to 49. [2023-11-29 04:04:07,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 43 states have (on average 1.372093023255814) internal successors, (59), 48 states have internal predecessors, (59), 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) [2023-11-29 04:04:07,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 59 transitions. [2023-11-29 04:04:07,833 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 59 transitions. Word has length 5 [2023-11-29 04:04:07,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:07,834 INFO L495 AbstractCegarLoop]: Abstraction has 49 states and 59 transitions. [2023-11-29 04:04:07,834 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.5) internal successors, (5), 2 states have internal predecessors, (5), 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) [2023-11-29 04:04:07,834 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 59 transitions. [2023-11-29 04:04:07,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2023-11-29 04:04:07,835 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:07,835 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2023-11-29 04:04:07,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2023-11-29 04:04:08,036 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:08,036 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 04:04:08,037 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:08,037 INFO L85 PathProgramCache]: Analyzing trace with hash -967789872, now seen corresponding path program 1 times [2023-11-29 04:04:08,037 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:08,038 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [458030594] [2023-11-29 04:04:08,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:08,038 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:08,039 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:08,040 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:08,041 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2023-11-29 04:04:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:08,119 INFO L262 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 2 conjunts are in the unsatisfiable core [2023-11-29 04:04:08,121 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:08,136 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:04:08,136 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:08,137 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:08,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [458030594] [2023-11-29 04:04:08,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [458030594] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:08,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:08,138 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-29 04:04:08,138 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [827468434] [2023-11-29 04:04:08,138 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:08,139 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-29 04:04:08,139 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:08,140 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-29 04:04:08,141 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:04:08,141 INFO L87 Difference]: Start difference. First operand 49 states and 59 transitions. Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-29 04:04:08,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:08,316 INFO L93 Difference]: Finished difference Result 102 states and 125 transitions. [2023-11-29 04:04:08,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-29 04:04:08,317 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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 6 [2023-11-29 04:04:08,318 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:08,319 INFO L225 Difference]: With dead ends: 102 [2023-11-29 04:04:08,319 INFO L226 Difference]: Without dead ends: 54 [2023-11-29 04:04:08,320 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-29 04:04:08,321 INFO L413 NwaCegarLoop]: 56 mSDtfsCounter, 27 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:08,322 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 77 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2023-11-29 04:04:08,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2023-11-29 04:04:08,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 53. [2023-11-29 04:04:08,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 47 states have (on average 1.3617021276595744) internal successors, (64), 52 states have internal predecessors, (64), 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) [2023-11-29 04:04:08,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2023-11-29 04:04:08,334 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 6 [2023-11-29 04:04:08,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:08,334 INFO L495 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2023-11-29 04:04:08,335 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.0) internal successors, (6), 2 states have internal predecessors, (6), 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) [2023-11-29 04:04:08,335 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2023-11-29 04:04:08,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2023-11-29 04:04:08,336 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:08,336 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:08,341 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2023-11-29 04:04:08,543 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:08,551 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 04:04:08,552 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:08,552 INFO L85 PathProgramCache]: Analyzing trace with hash -25720539, now seen corresponding path program 1 times [2023-11-29 04:04:08,553 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:08,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1539309872] [2023-11-29 04:04:08,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:08,553 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:08,553 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:08,554 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:08,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2023-11-29 04:04:08,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:08,666 INFO L262 TraceCheckSpWp]: Trace formula consists of 95 conjuncts, 3 conjunts are in the unsatisfiable core [2023-11-29 04:04:08,668 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:08,726 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2023-11-29 04:04:08,727 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:04:08,727 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:08,727 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1539309872] [2023-11-29 04:04:08,728 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1539309872] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:04:08,728 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:04:08,728 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2023-11-29 04:04:08,728 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230171369] [2023-11-29 04:04:08,729 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:04:08,729 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2023-11-29 04:04:08,729 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:08,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2023-11-29 04:04:08,730 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2023-11-29 04:04:08,731 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-29 04:04:09,200 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:09,201 INFO L93 Difference]: Finished difference Result 86 states and 104 transitions. [2023-11-29 04:04:09,202 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2023-11-29 04:04:09,202 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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 10 [2023-11-29 04:04:09,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:09,204 INFO L225 Difference]: With dead ends: 86 [2023-11-29 04:04:09,204 INFO L226 Difference]: Without dead ends: 84 [2023-11-29 04:04:09,205 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:04:09,207 INFO L413 NwaCegarLoop]: 34 mSDtfsCounter, 135 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:09,207 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 61 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2023-11-29 04:04:09,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2023-11-29 04:04:09,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 51. [2023-11-29 04:04:09,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 46 states have (on average 1.3478260869565217) internal successors, (62), 50 states have internal predecessors, (62), 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) [2023-11-29 04:04:09,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 62 transitions. [2023-11-29 04:04:09,222 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 62 transitions. Word has length 10 [2023-11-29 04:04:09,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:09,223 INFO L495 AbstractCegarLoop]: Abstraction has 51 states and 62 transitions. [2023-11-29 04:04:09,223 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 3 states have internal predecessors, (9), 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) [2023-11-29 04:04:09,223 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 62 transitions. [2023-11-29 04:04:09,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2023-11-29 04:04:09,224 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:09,224 INFO L195 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:09,227 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Ended with exit code 0 [2023-11-29 04:04:09,425 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:09,425 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 04:04:09,426 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:09,426 INFO L85 PathProgramCache]: Analyzing trace with hash 246593115, now seen corresponding path program 1 times [2023-11-29 04:04:09,427 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:09,427 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1277544542] [2023-11-29 04:04:09,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:09,428 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:09,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:09,429 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:09,442 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2023-11-29 04:04:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:09,608 INFO L262 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 27 conjunts are in the unsatisfiable core [2023-11-29 04:04:09,615 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:09,676 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-29 04:04:09,828 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:09,837 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:09,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2023-11-29 04:04:09,851 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 16 [2023-11-29 04:04:09,888 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 04:04:09,889 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2023-11-29 04:04:09,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 04:04:09,921 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-11-29 04:04:09,958 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 04:04:09,958 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 38 treesize of output 35 [2023-11-29 04:04:09,995 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 04:04:10,017 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:04:10,018 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 04:04:10,140 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 04:04:10,141 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2023-11-29 04:04:10,153 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-29 04:04:10,165 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 04:04:10,509 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 15 [2023-11-29 04:04:10,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 04:04:10,573 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:04:10,573 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:10,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 69 treesize of output 49 [2023-11-29 04:04:10,811 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_128 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_128) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_127 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_ULTIMATE.start_main_~x~0#1.offset| (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_127) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2023-11-29 04:04:10,879 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:10,879 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 155 treesize of output 148 [2023-11-29 04:04:10,999 INFO L349 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2023-11-29 04:04:10,999 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 157 treesize of output 164 [2023-11-29 04:04:11,080 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:11,081 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 238 treesize of output 228 [2023-11-29 04:04:11,107 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 173 treesize of output 167 [2023-11-29 04:04:11,236 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:11,237 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 359 treesize of output 345 [2023-11-29 04:04:11,299 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 244 treesize of output 236 [2023-11-29 04:04:11,391 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:11,391 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 236 treesize of output 247 [2023-11-29 04:04:11,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:04:11,985 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 22 treesize of output 18 [2023-11-29 04:04:12,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:04:12,092 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:12,092 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1277544542] [2023-11-29 04:04:12,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1277544542] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:04:12,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:04:12,093 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2023-11-29 04:04:12,093 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1864597262] [2023-11-29 04:04:12,093 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:04:12,094 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2023-11-29 04:04:12,094 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:12,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2023-11-29 04:04:12,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=108, Unknown=1, NotChecked=20, Total=156 [2023-11-29 04:04:12,095 INFO L87 Difference]: Start difference. First operand 51 states and 62 transitions. Second operand has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 12 states have internal predecessors, (38), 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) [2023-11-29 04:04:18,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:18,395 INFO L93 Difference]: Finished difference Result 97 states and 124 transitions. [2023-11-29 04:04:18,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2023-11-29 04:04:18,396 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 12 states have internal predecessors, (38), 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 20 [2023-11-29 04:04:18,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:18,397 INFO L225 Difference]: With dead ends: 97 [2023-11-29 04:04:18,397 INFO L226 Difference]: Without dead ends: 95 [2023-11-29 04:04:18,398 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 27 SyntacticMatches, 1 SemanticMatches, 15 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=55, Invalid=188, Unknown=1, NotChecked=28, Total=272 [2023-11-29 04:04:18,399 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 76 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 269 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 5.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 386 SdHoareTripleChecker+Invalid, 364 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 269 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 84 IncrementalHoareTripleChecker+Unchecked, 6.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:18,400 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 386 Invalid, 364 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 269 Invalid, 0 Unknown, 84 Unchecked, 6.0s Time] [2023-11-29 04:04:18,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2023-11-29 04:04:18,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 69. [2023-11-29 04:04:18,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 69 states, 64 states have (on average 1.359375) internal successors, (87), 68 states have internal predecessors, (87), 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) [2023-11-29 04:04:18,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 87 transitions. [2023-11-29 04:04:18,416 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 87 transitions. Word has length 20 [2023-11-29 04:04:18,416 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:18,417 INFO L495 AbstractCegarLoop]: Abstraction has 69 states and 87 transitions. [2023-11-29 04:04:18,417 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 2.923076923076923) internal successors, (38), 12 states have internal predecessors, (38), 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) [2023-11-29 04:04:18,417 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 87 transitions. [2023-11-29 04:04:18,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2023-11-29 04:04:18,419 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:18,419 INFO L195 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:18,427 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Forceful destruction successful, exit code 0 [2023-11-29 04:04:18,619 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:18,620 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 04:04:18,620 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:18,621 INFO L85 PathProgramCache]: Analyzing trace with hash 1618331757, now seen corresponding path program 1 times [2023-11-29 04:04:18,621 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:18,621 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1060949545] [2023-11-29 04:04:18,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:18,622 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:18,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:18,623 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:18,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2023-11-29 04:04:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:18,769 INFO L262 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 25 conjunts are in the unsatisfiable core [2023-11-29 04:04:18,774 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:18,789 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-29 04:04:18,874 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:04:18,875 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 13 treesize of output 13 [2023-11-29 04:04:18,884 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-11-29 04:04:18,888 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:18,892 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-29 04:04:18,906 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-11-29 04:04:18,911 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:18,914 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 04:04:18,935 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 42 treesize of output 33 [2023-11-29 04:04:18,960 INFO L349 Elim1Store]: treesize reduction 66, result has 1.5 percent of original size [2023-11-29 04:04:18,961 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 132 treesize of output 96 [2023-11-29 04:04:18,971 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 04:04:19,064 INFO L349 Elim1Store]: treesize reduction 19, result has 20.8 percent of original size [2023-11-29 04:04:19,065 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 60 treesize of output 53 [2023-11-29 04:04:19,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 24 treesize of output 11 [2023-11-29 04:04:19,088 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 19 treesize of output 11 [2023-11-29 04:04:19,317 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:04:19,317 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:19,439 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 46 treesize of output 26 [2023-11-29 04:04:19,454 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_ArrVal_181 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_181) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|)) (forall ((v_ArrVal_180 (Array (_ BitVec 32) (_ BitVec 32)))) (= |c_ULTIMATE.start_main_~x~0#1.offset| (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_180) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)))) is different from false [2023-11-29 04:04:19,500 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:19,501 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 103 treesize of output 96 [2023-11-29 04:04:19,515 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:19,515 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 87 treesize of output 64 [2023-11-29 04:04:19,545 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:19,546 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 371 treesize of output 242 [2023-11-29 04:04:19,590 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:19,591 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 340 treesize of output 307 [2023-11-29 04:04:19,638 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:19,638 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 201 treesize of output 200 [2023-11-29 04:04:19,674 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:19,675 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 191 treesize of output 174 [2023-11-29 04:04:19,688 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 165 treesize of output 159 [2023-11-29 04:04:19,702 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 159 treesize of output 153 [2023-11-29 04:04:20,315 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:04:20,316 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:04:20,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1060949545] [2023-11-29 04:04:20,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1060949545] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:04:20,316 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:04:20,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2023-11-29 04:04:20,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [474041168] [2023-11-29 04:04:20,317 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:04:20,317 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2023-11-29 04:04:20,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:04:20,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2023-11-29 04:04:20,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=71, Unknown=1, NotChecked=16, Total=110 [2023-11-29 04:04:20,319 INFO L87 Difference]: Start difference. First operand 69 states and 87 transitions. Second operand has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 10 states have internal predecessors, (36), 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) [2023-11-29 04:04:24,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:04:24,472 INFO L93 Difference]: Finished difference Result 121 states and 149 transitions. [2023-11-29 04:04:24,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:04:24,472 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 10 states have internal predecessors, (36), 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 23 [2023-11-29 04:04:24,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:04:24,473 INFO L225 Difference]: With dead ends: 121 [2023-11-29 04:04:24,473 INFO L226 Difference]: Without dead ends: 83 [2023-11-29 04:04:24,474 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 35 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=118, Unknown=1, NotChecked=22, Total=182 [2023-11-29 04:04:24,475 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 40 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 343 SdHoareTripleChecker+Invalid, 250 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 59 IncrementalHoareTripleChecker+Unchecked, 4.0s IncrementalHoareTripleChecker+Time [2023-11-29 04:04:24,476 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 343 Invalid, 250 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 187 Invalid, 0 Unknown, 59 Unchecked, 4.0s Time] [2023-11-29 04:04:24,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2023-11-29 04:04:24,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 70. [2023-11-29 04:04:24,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 65 states have (on average 1.3384615384615384) internal successors, (87), 69 states have internal predecessors, (87), 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) [2023-11-29 04:04:24,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 87 transitions. [2023-11-29 04:04:24,489 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 87 transitions. Word has length 23 [2023-11-29 04:04:24,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:04:24,489 INFO L495 AbstractCegarLoop]: Abstraction has 70 states and 87 transitions. [2023-11-29 04:04:24,489 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 3.272727272727273) internal successors, (36), 10 states have internal predecessors, (36), 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) [2023-11-29 04:04:24,489 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 87 transitions. [2023-11-29 04:04:24,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 04:04:24,491 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:04:24,491 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:04:24,495 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2023-11-29 04:04:24,691 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:24,692 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 04:04:24,692 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:04:24,692 INFO L85 PathProgramCache]: Analyzing trace with hash 897248176, now seen corresponding path program 1 times [2023-11-29 04:04:24,692 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:04:24,693 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1178336326] [2023-11-29 04:04:24,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:04:24,693 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:04:24,693 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:04:24,694 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:04:24,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2023-11-29 04:04:24,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:04:24,926 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 43 conjunts are in the unsatisfiable core [2023-11-29 04:04:24,932 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:04:24,946 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-29 04:04:25,011 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 04:04:25,040 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-11-29 04:04:25,040 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2023-11-29 04:04:25,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-11-29 04:04:25,061 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:25,064 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 04:04:25,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 35 treesize of output 26 [2023-11-29 04:04:25,079 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:25,083 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 23 treesize of output 16 [2023-11-29 04:04:25,173 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 04:04:25,181 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 04:04:25,201 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 04:04:25,341 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:25,345 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-29 04:04:25,346 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 136 treesize of output 81 [2023-11-29 04:04:25,361 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-29 04:04:25,361 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 100 treesize of output 66 [2023-11-29 04:04:25,381 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:25,385 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-29 04:04:25,386 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 183 treesize of output 108 [2023-11-29 04:04:25,455 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 04:04:25,455 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 134 treesize of output 91 [2023-11-29 04:04:25,465 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:25,516 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2023-11-29 04:04:25,517 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 129 treesize of output 108 [2023-11-29 04:04:25,534 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:25,544 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:04:25,544 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 18 [2023-11-29 04:04:25,567 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:25,568 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 30 [2023-11-29 04:04:25,586 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:25,587 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 27 treesize of output 25 [2023-11-29 04:04:25,622 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 59 treesize of output 26 [2023-11-29 04:04:25,637 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 26 treesize of output 15 [2023-11-29 04:04:25,831 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 04:04:25,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 123 treesize of output 86 [2023-11-29 04:04:25,845 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 15 [2023-11-29 04:04:25,865 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:04:25,866 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 3 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 43 treesize of output 25 [2023-11-29 04:04:26,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:04:26,359 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:04:26,490 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_277 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_276 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_275) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_277) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_276) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))) (_ bv0 32))) is different from false [2023-11-29 04:04:26,676 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_266 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_277 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_275 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_265 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_276 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_270 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_#t~malloc3#1.base_22| (_ BitVec 32))) (or (not (= v_ArrVal_265 (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| (select v_ArrVal_265 |c_ULTIMATE.start_main_~x~0#1.offset|)))) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|))) (= (let ((.cse1 (let ((.cse2 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_22|)))) (store .cse2 |v_ULTIMATE.start_main_#t~malloc3#1.base_22| (store (select .cse2 |v_ULTIMATE.start_main_#t~malloc3#1.base_22|) (_ bv4 32) |c_ULTIMATE.start_main_~x~0#1.base|))))) (let ((.cse0 (select (select .cse1 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_265) |v_ULTIMATE.start_main_#t~malloc3#1.base_22| v_ArrVal_266) .cse0 v_ArrVal_275) (select (select (store .cse1 .cse0 v_ArrVal_277) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv8 32) (select (select (store (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| (_ bv0 32))) |v_ULTIMATE.start_main_#t~malloc3#1.base_22| v_ArrVal_270) .cse0 v_ArrVal_276) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) (_ bv0 32)))) is different from false [2023-11-29 04:04:27,073 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:27,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2938 treesize of output 2889 [2023-11-29 04:04:27,110 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:27,111 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1352 treesize of output 1334 [2023-11-29 04:04:27,156 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:27,157 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 1387 treesize of output 1117 [2023-11-29 04:04:27,178 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 1260 treesize of output 1096 [2023-11-29 04:04:27,225 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 547 treesize of output 465 [2023-11-29 04:04:27,514 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 44 treesize of output 3 [2023-11-29 04:04:27,542 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 353 treesize of output 271 [2023-11-29 04:04:27,616 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 309 treesize of output 268 [2023-11-29 04:04:27,696 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 04:04:27,714 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 04:04:27,902 WARN L854 $PredicateComparison]: unable to prove that (and (forall ((v_arrayElimArr_19 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse0 (select v_arrayElimArr_19 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (not (= (select |c_#valid| .cse0) (_ bv0 1))) (forall ((v_ArrVal_277 (Array (_ BitVec 32) (_ BitVec 32)))) (not (= .cse0 (select (select (let ((.cse1 (let ((.cse2 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_19))) (store .cse2 .cse0 (store (select .cse2 .cse0) (_ bv4 32) |c_ULTIMATE.start_main_~x~0#1.base|))))) (store .cse1 (select (select .cse1 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_277)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))))) (forall ((v_arrayElimArr_19 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse5 (select v_arrayElimArr_19 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (forall ((v_ArrVal_277 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (let ((.cse3 (let ((.cse4 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_19))) (store .cse4 .cse5 (store (select .cse4 .cse5) (_ bv4 32) |c_ULTIMATE.start_main_~x~0#1.base|))))) (store .cse3 (select (select .cse3 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_277)) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.base|)) (not (= (select |c_#valid| .cse5) (_ bv0 1)))))) (forall ((v_arrayElimArr_19 (Array (_ BitVec 32) (_ BitVec 32)))) (let ((.cse6 (select v_arrayElimArr_19 |c_ULTIMATE.start_main_~x~0#1.offset|))) (or (forall ((v_arrayElimArr_18 (Array (_ BitVec 32) (_ BitVec 32)))) (or (not (= (select v_arrayElimArr_18 |c_ULTIMATE.start_main_~x~0#1.offset|) (_ bv0 32))) (forall ((v_ArrVal_276 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_270 (Array (_ BitVec 32) (_ BitVec 32)))) (= (select (select (store (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_18) .cse6 v_ArrVal_270) (select (select (let ((.cse7 (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| v_arrayElimArr_19))) (store .cse7 .cse6 (store (select .cse7 .cse6) (_ bv4 32) |c_ULTIMATE.start_main_~x~0#1.base|))) |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|) v_ArrVal_276) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) |c_ULTIMATE.start_main_~x~0#1.offset|)))) (not (= (select |c_#valid| .cse6) (_ bv0 1))))))) is different from false [2023-11-29 04:04:28,247 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:28,248 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 907 treesize of output 676 [2023-11-29 04:04:28,397 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:28,397 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 883 treesize of output 724 [2023-11-29 04:04:29,164 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:29,166 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 5 select indices, 5 select index equivalence classes, 0 disjoint index pairs (out of 10 index pairs), introduced 8 new quantified variables, introduced 10 case distinctions, treesize of input 89739 treesize of output 77833 [2023-11-29 04:04:29,902 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:29,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 17810 treesize of output 15325 [2023-11-29 04:04:30,529 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:30,530 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4636 treesize of output 4108 [2023-11-29 04:04:30,657 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3826 treesize of output 3810 [2023-11-29 04:04:30,785 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:30,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 4015 treesize of output 3859 [2023-11-29 04:04:30,982 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:30,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 3742 treesize of output 3743 [2023-11-29 04:04:31,121 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:31,122 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 3718 treesize of output 3311 [2023-11-29 04:04:31,209 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 3302 treesize of output 3246 [2023-11-29 04:04:31,476 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:31,477 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 3455 treesize of output 3303 [2023-11-29 04:04:31,765 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:04:31,766 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 3515 treesize of output 3271 [2023-11-29 04:04:31,943 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2790 treesize of output 2734 [2023-11-29 04:04:32,047 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 2734 treesize of output 2686 [2023-11-29 04:05:02,019 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:05:02,074 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 04:05:02,250 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:05:02,279 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 04:05:02,365 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 04:05:02,445 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:05:02,571 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:05:02,607 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 04:05:02,694 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:05:02,739 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 04:05:02,786 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 4 [2023-11-29 04:05:02,947 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:02,947 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 948 treesize of output 766 [2023-11-29 04:05:22,803 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 6 not checked. [2023-11-29 04:05:22,804 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:05:22,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1178336326] [2023-11-29 04:05:22,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1178336326] provided 0 perfect and 2 imperfect interpolant sequences [2023-11-29 04:05:22,804 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2023-11-29 04:05:22,804 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 14 [2023-11-29 04:05:22,804 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438711878] [2023-11-29 04:05:22,804 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2023-11-29 04:05:22,805 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2023-11-29 04:05:22,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:05:22,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2023-11-29 04:05:22,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=105, Unknown=5, NotChecked=66, Total=210 [2023-11-29 04:05:22,806 INFO L87 Difference]: Start difference. First operand 70 states and 87 transitions. Second operand has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 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) [2023-11-29 04:05:29,930 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:05:29,931 INFO L93 Difference]: Finished difference Result 167 states and 203 transitions. [2023-11-29 04:05:29,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2023-11-29 04:05:29,932 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 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 24 [2023-11-29 04:05:29,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:05:29,933 INFO L225 Difference]: With dead ends: 167 [2023-11-29 04:05:29,934 INFO L226 Difference]: Without dead ends: 132 [2023-11-29 04:05:29,934 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 33 SyntacticMatches, 3 SemanticMatches, 15 ConstructedPredicates, 3 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=48, Invalid=141, Unknown=5, NotChecked=78, Total=272 [2023-11-29 04:05:29,935 INFO L413 NwaCegarLoop]: 48 mSDtfsCounter, 124 mSDsluCounter, 353 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 6.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 401 SdHoareTripleChecker+Invalid, 586 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 342 IncrementalHoareTripleChecker+Unchecked, 6.7s IncrementalHoareTripleChecker+Time [2023-11-29 04:05:29,936 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 401 Invalid, 586 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 234 Invalid, 0 Unknown, 342 Unchecked, 6.7s Time] [2023-11-29 04:05:29,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2023-11-29 04:05:29,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 84. [2023-11-29 04:05:29,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 79 states have (on average 1.3291139240506329) internal successors, (105), 83 states have internal predecessors, (105), 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) [2023-11-29 04:05:29,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 105 transitions. [2023-11-29 04:05:29,956 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 105 transitions. Word has length 24 [2023-11-29 04:05:29,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:05:29,957 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 105 transitions. [2023-11-29 04:05:29,957 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 2.7333333333333334) internal successors, (41), 14 states have internal predecessors, (41), 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) [2023-11-29 04:05:29,957 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 105 transitions. [2023-11-29 04:05:29,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 04:05:29,959 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:05:29,959 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:05:29,965 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Ended with exit code 0 [2023-11-29 04:05:30,159 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:05:30,160 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 04:05:30,160 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:30,160 INFO L85 PathProgramCache]: Analyzing trace with hash 87901550, now seen corresponding path program 1 times [2023-11-29 04:05:30,161 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:05:30,161 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1338996360] [2023-11-29 04:05:30,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:30,161 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:05:30,161 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:05:30,162 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:05:30,163 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Waiting until timeout for monitored process [2023-11-29 04:05:30,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:30,273 INFO L262 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 8 conjunts are in the unsatisfiable core [2023-11-29 04:05:30,274 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:05:30,360 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2023-11-29 04:05:30,360 INFO L323 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2023-11-29 04:05:30,360 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2023-11-29 04:05:30,360 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1338996360] [2023-11-29 04:05:30,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1338996360] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-29 04:05:30,360 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-29 04:05:30,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2023-11-29 04:05:30,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129885890] [2023-11-29 04:05:30,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-29 04:05:30,361 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2023-11-29 04:05:30,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2023-11-29 04:05:30,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2023-11-29 04:05:30,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2023-11-29 04:05:30,362 INFO L87 Difference]: Start difference. First operand 84 states and 105 transitions. Second operand has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2023-11-29 04:05:32,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-29 04:05:32,163 INFO L93 Difference]: Finished difference Result 132 states and 165 transitions. [2023-11-29 04:05:32,164 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2023-11-29 04:05:32,164 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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 24 [2023-11-29 04:05:32,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-29 04:05:32,166 INFO L225 Difference]: With dead ends: 132 [2023-11-29 04:05:32,166 INFO L226 Difference]: Without dead ends: 94 [2023-11-29 04:05:32,167 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2023-11-29 04:05:32,167 INFO L413 NwaCegarLoop]: 51 mSDtfsCounter, 8 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2023-11-29 04:05:32,168 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 156 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2023-11-29 04:05:32,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2023-11-29 04:05:32,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 87. [2023-11-29 04:05:32,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 82 states have (on average 1.3170731707317074) internal successors, (108), 86 states have internal predecessors, (108), 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) [2023-11-29 04:05:32,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 108 transitions. [2023-11-29 04:05:32,181 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 108 transitions. Word has length 24 [2023-11-29 04:05:32,182 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-29 04:05:32,182 INFO L495 AbstractCegarLoop]: Abstraction has 87 states and 108 transitions. [2023-11-29 04:05:32,182 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 4.2) internal successors, (21), 5 states have internal predecessors, (21), 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) [2023-11-29 04:05:32,182 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 108 transitions. [2023-11-29 04:05:32,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2023-11-29 04:05:32,183 INFO L187 NwaCegarLoop]: Found error trace [2023-11-29 04:05:32,183 INFO L195 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-29 04:05:32,187 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (8)] Forceful destruction successful, exit code 0 [2023-11-29 04:05:32,384 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:05:32,384 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION (and 3 more)] === [2023-11-29 04:05:32,384 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-29 04:05:32,385 INFO L85 PathProgramCache]: Analyzing trace with hash -296153102, now seen corresponding path program 1 times [2023-11-29 04:05:32,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2023-11-29 04:05:32,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [2095495789] [2023-11-29 04:05:32,385 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-29 04:05:32,385 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2023-11-29 04:05:32,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat [2023-11-29 04:05:32,386 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2023-11-29 04:05:32,388 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d5b53210-42df-4fde-bd55-8bb72a366e17/bin/uautomizer-verify-BQ2R08f2Ya/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (9)] Waiting until timeout for monitored process [2023-11-29 04:05:32,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-29 04:05:32,629 INFO L262 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 44 conjunts are in the unsatisfiable core [2023-11-29 04:05:32,635 INFO L285 TraceCheckSpWp]: Computing forward predicates... [2023-11-29 04:05:32,648 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 6 treesize of output 7 [2023-11-29 04:05:32,711 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:05:32,721 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:05:32,722 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 26 [2023-11-29 04:05:32,728 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 19 [2023-11-29 04:05:32,755 INFO L349 Elim1Store]: treesize reduction 13, result has 40.9 percent of original size [2023-11-29 04:05:32,755 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 16 treesize of output 15 [2023-11-29 04:05:32,831 INFO L349 Elim1Store]: treesize reduction 12, result has 60.0 percent of original size [2023-11-29 04:05:32,831 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 23 treesize of output 28 [2023-11-29 04:05:32,839 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5 treesize of output 3 [2023-11-29 04:05:32,868 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 04:05:32,908 INFO L349 Elim1Store]: treesize reduction 22, result has 35.3 percent of original size [2023-11-29 04:05:32,909 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 19 treesize of output 27 [2023-11-29 04:05:33,021 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 04:05:33,036 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 11 treesize of output 7 [2023-11-29 04:05:33,056 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 16 treesize of output 11 [2023-11-29 04:05:33,221 INFO L349 Elim1Store]: treesize reduction 17, result has 29.2 percent of original size [2023-11-29 04:05:33,221 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 138 treesize of output 87 [2023-11-29 04:05:33,231 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:05:33,263 INFO L349 Elim1Store]: treesize reduction 25, result has 16.7 percent of original size [2023-11-29 04:05:33,263 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 137 treesize of output 112 [2023-11-29 04:05:33,274 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 34 [2023-11-29 04:05:33,280 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 20 treesize of output 15 [2023-11-29 04:05:33,303 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:05:33,314 INFO L349 Elim1Store]: treesize reduction 6, result has 40.0 percent of original size [2023-11-29 04:05:33,314 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 2 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 24 treesize of output 18 [2023-11-29 04:05:33,334 INFO L190 IndexEqualityManager]: detected not equals via solver [2023-11-29 04:05:33,335 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 3 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 29 treesize of output 11 [2023-11-29 04:05:33,354 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-29 04:05:33,355 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 116 treesize of output 66 [2023-11-29 04:05:33,379 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-29 04:05:33,380 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 163 treesize of output 101 [2023-11-29 04:05:33,392 WARN L214 Elim1Store]: Array PQE input equivalent to false [2023-11-29 04:05:33,411 INFO L349 Elim1Store]: treesize reduction 23, result has 4.2 percent of original size [2023-11-29 04:05:33,411 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 128 treesize of output 78 [2023-11-29 04:05:33,568 INFO L349 Elim1Store]: treesize reduction 44, result has 20.0 percent of original size [2023-11-29 04:05:33,569 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 112 treesize of output 77 [2023-11-29 04:05:33,583 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 36 treesize of output 15 [2023-11-29 04:05:33,602 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 32 treesize of output 11 [2023-11-29 04:05:34,079 INFO L349 Elim1Store]: treesize reduction 4, result has 50.0 percent of original size [2023-11-29 04:05:34,080 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 3 new quantified variables, introduced 1 case distinctions, treesize of input 47 treesize of output 26 [2023-11-29 04:05:34,087 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 3 [2023-11-29 04:05:34,143 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-29 04:05:34,143 INFO L327 TraceCheckSpWp]: Computing backward predicates... [2023-11-29 04:05:34,343 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_440 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_441 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_439 (Array (_ BitVec 32) (_ BitVec 32)))) (= (_ bv1 32) (select (select (store |c_#memory_int#1| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_441) (select (select (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_440) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (_ bv8 32) (select (select (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_439) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|))))) is different from false [2023-11-29 04:05:34,465 WARN L854 $PredicateComparison]: unable to prove that (forall ((v_ArrVal_431 (Array (_ BitVec 32) (_ BitVec 32))) (|v_ULTIMATE.start_main_#t~malloc3#1.base_30| (_ BitVec 32)) (v_ArrVal_440 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_441 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_439 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_430 (_ BitVec 32)) (v_ArrVal_436 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_437 (Array (_ BitVec 32) (_ BitVec 32))) (v_ArrVal_438 (Array (_ BitVec 32) (_ BitVec 32)))) (or (= (let ((.cse1 (store (store |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_$Pointer$#1.base| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| |v_ULTIMATE.start_main_#t~malloc3#1.base_30|)) |v_ULTIMATE.start_main_#t~malloc3#1.base_30| v_ArrVal_431))) (let ((.cse0 (select (select .cse1 |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset|))) (select (select (store (store (store |c_#memory_int#1| |c_ULTIMATE.start_main_~x~0#1.base| (store (select |c_#memory_int#1| |c_ULTIMATE.start_main_~x~0#1.base|) |c_ULTIMATE.start_main_~x~0#1.offset| v_ArrVal_430)) |v_ULTIMATE.start_main_#t~malloc3#1.base_30| v_ArrVal_436) .cse0 v_ArrVal_441) (select (select (store .cse1 .cse0 v_ArrVal_440) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|)) (bvadd (select (select (store (store (store |c_#memory_$Pointer$#1.offset| |c_ULTIMATE.start_main_~x~0#1.base| v_ArrVal_438) |v_ULTIMATE.start_main_#t~malloc3#1.base_30| v_ArrVal_437) .cse0 v_ArrVal_439) |c_ULTIMATE.start_main_~head~0#1.base|) |c_ULTIMATE.start_main_~head~0#1.offset|) (_ bv8 32))))) (_ bv1 32)) (not (= (_ bv0 1) (select |c_#valid| |v_ULTIMATE.start_main_#t~malloc3#1.base_30|))))) is different from false [2023-11-29 04:05:34,647 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:34,647 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 2 case distinctions, treesize of input 96 treesize of output 102 [2023-11-29 04:05:34,671 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:34,671 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 1 case distinctions, treesize of input 83 treesize of output 78 [2023-11-29 04:05:34,717 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:34,717 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 419 treesize of output 418 [2023-11-29 04:05:34,735 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 349 treesize of output 287 [2023-11-29 04:05:34,751 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 158 treesize of output 127 [2023-11-29 04:05:38,909 INFO L349 Elim1Store]: treesize reduction 15, result has 64.3 percent of original size [2023-11-29 04:05:38,910 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 1 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 2 new quantified variables, introduced 2 case distinctions, treesize of input 38153 treesize of output 37948 [2023-11-29 04:05:43,969 INFO L349 Elim1Store]: treesize reduction 35, result has 57.8 percent of original size [2023-11-29 04:05:43,970 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 2 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 3 new quantified variables, introduced 4 case distinctions, treesize of input 12567 treesize of output 12524 [2023-11-29 04:05:44,951 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:44,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 4 new quantified variables, introduced 3 case distinctions, treesize of input 9384 treesize of output 8488 [2023-11-29 04:05:45,235 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 4929 treesize of output 4893 [2023-11-29 04:05:45,726 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:45,727 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 2, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 6222 treesize of output 6224 [2023-11-29 04:05:45,915 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5603 treesize of output 5579 [2023-11-29 04:05:46,090 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:46,091 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 5612 treesize of output 5608 [2023-11-29 04:05:46,325 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5571 treesize of output 5499 [2023-11-29 04:05:46,437 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5499 treesize of output 5475 [2023-11-29 04:05:46,564 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 1 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 0 case distinctions, treesize of input 5475 treesize of output 5379 [2023-11-29 04:05:46,697 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 5379 treesize of output 5299 [2023-11-29 04:05:46,927 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:46,928 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 5299 treesize of output 4784 [2023-11-29 04:05:47,145 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:47,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 4767 treesize of output 4662 [2023-11-29 04:05:47,300 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 4645 treesize of output 4573 [2023-11-29 04:05:47,547 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:47,548 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 4573 treesize of output 4318 [2023-11-29 04:05:47,810 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:05:47,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 1 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 2 case distinctions, treesize of input 4301 treesize of output 4214 [2023-11-29 04:08:24,049 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:08:24,051 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 2 select indices, 2 select index equivalence classes, 0 disjoint index pairs (out of 1 index pairs), introduced 2 new quantified variables, introduced 1 case distinctions, treesize of input 2762 treesize of output 2734 [2023-11-29 04:08:40,422 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:40,531 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:40,685 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:40,725 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:40,811 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:40,862 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:40,871 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:40,904 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:40,952 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-11-29 04:08:40,982 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,026 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,075 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,146 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,192 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,266 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,345 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,415 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,456 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,563 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,623 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,764 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,814 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,837 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 13 treesize of output 11 [2023-11-29 04:08:41,870 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,924 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 2 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:41,963 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:42,009 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:42,098 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 1 select indices, 1 select index equivalence classes, 1 disjoint index pairs (out of 0 index pairs), introduced 1 new quantified variables, introduced 0 case distinctions, treesize of input 7 treesize of output 5 [2023-11-29 04:08:42,954 INFO L349 Elim1Store]: treesize reduction 0, result has 100.0 percent of original size [2023-11-29 04:08:42,956 INFO L378 Elim1Store]: Elim1 eliminated variable of array dimension 1, 0 stores, 3 select indices, 3 select index equivalence classes, 0 disjoint index pairs (out of 3 index pairs), introduced 3 new quantified variables, introduced 3 case distinctions, treesize of input 7930 treesize of output 6346