./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version d790fecc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB --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 64bit --witnessprinter.graph.data.programhash 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:13:34,429 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:13:34,517 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 05:13:34,522 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:13:34,523 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:13:34,563 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:13:34,564 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:13:34,564 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:13:34,565 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:13:34,565 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:13:34,566 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:13:34,566 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:13:34,566 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:13:34,567 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:13:34,567 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:13:34,567 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:13:34,567 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:13:34,567 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 05:13:34,567 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:13:34,567 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:13:34,567 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:13:34,567 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:13:34,567 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:13:34,568 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:13:34,568 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:13:34,568 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:13:34,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:13:34,568 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:13:34,568 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:13:34,568 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:34,568 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:13:34,568 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:13:34,569 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:13:34,569 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:13:34,569 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:34,569 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:13:34,569 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:13:34,570 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:13:34,570 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:13:34,570 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 05:13:34,570 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 05:13:34,570 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:13:34,570 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:13:34,570 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:13:34,571 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:13:34,571 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 [2024-11-28 05:13:34,897 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:13:34,905 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:13:34,908 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:13:34,909 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:13:34,910 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:13:34,911 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-28 05:13:37,880 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/data/856285e6a/2ee1148bddd64c36a1838d6eab5fc995/FLAG203c4e18d [2024-11-28 05:13:38,323 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:13:38,323 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-28 05:13:38,351 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/data/856285e6a/2ee1148bddd64c36a1838d6eab5fc995/FLAG203c4e18d [2024-11-28 05:13:38,368 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/data/856285e6a/2ee1148bddd64c36a1838d6eab5fc995 [2024-11-28 05:13:38,371 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:13:38,372 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:13:38,374 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:13:38,374 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:13:38,379 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:13:38,380 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:13:38" (1/1) ... [2024-11-28 05:13:38,381 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e810a6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:38, skipping insertion in model container [2024-11-28 05:13:38,381 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:13:38" (1/1) ... [2024-11-28 05:13:38,452 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:13:38,714 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-11-28 05:13:39,216 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:13:39,228 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:13:39,240 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-11-28 05:13:39,569 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:13:39,586 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:13:39,587 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39 WrapperNode [2024-11-28 05:13:39,587 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:13:39,588 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:13:39,589 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:13:39,589 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:13:39,596 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:39,658 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:40,322 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 4506 [2024-11-28 05:13:40,322 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:13:40,323 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:13:40,323 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:13:40,323 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:13:40,334 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:40,335 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:40,540 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:40,662 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 05:13:40,663 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:40,663 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:40,824 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:40,841 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:40,915 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:40,949 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:40,976 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:41,074 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:13:41,075 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:13:41,076 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:13:41,076 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:13:41,077 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (1/1) ... [2024-11-28 05:13:41,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:41,105 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:13:41,121 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:13:41,129 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:13:41,157 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:13:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 05:13:41,158 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:13:41,158 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:13:41,634 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:13:41,636 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:13:48,595 INFO L? ?]: Removed 2675 outVars from TransFormulas that were not future-live. [2024-11-28 05:13:48,596 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:13:48,658 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:13:48,660 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 05:13:48,661 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:48 BoogieIcfgContainer [2024-11-28 05:13:48,661 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:13:48,665 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:13:48,665 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:13:48,672 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:13:48,672 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:13:38" (1/3) ... [2024-11-28 05:13:48,674 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8f2f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:13:48, skipping insertion in model container [2024-11-28 05:13:48,674 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:13:39" (2/3) ... [2024-11-28 05:13:48,676 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1e8f2f32 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:13:48, skipping insertion in model container [2024-11-28 05:13:48,676 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:48" (3/3) ... [2024-11-28 05:13:48,679 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-28 05:13:48,702 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:13:48,704 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.vis_arrays_vsa16a_p4.c that has 1 procedures, 1351 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:13:48,840 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:13:48,860 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@53d6df55, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:13:48,860 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:13:48,873 INFO L276 IsEmpty]: Start isEmpty. Operand has 1351 states, 1349 states have (on average 1.4996293550778355) internal successors, (2023), 1350 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:48,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-28 05:13:48,883 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:48,884 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:48,885 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:48,890 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:48,891 INFO L85 PathProgramCache]: Analyzing trace with hash 1728403634, now seen corresponding path program 1 times [2024-11-28 05:13:48,900 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:48,900 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1688739605] [2024-11-28 05:13:48,900 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:48,901 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:49,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:50,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:13:50,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:50,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1688739605] [2024-11-28 05:13:50,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1688739605] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:13:50,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:13:50,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:13:50,096 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306031624] [2024-11-28 05:13:50,101 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:13:50,105 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:13:50,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:50,129 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:13:50,130 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:13:50,136 INFO L87 Difference]: Start difference. First operand has 1351 states, 1349 states have (on average 1.4996293550778355) internal successors, (2023), 1350 states have internal predecessors, (2023), 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 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:50,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:50,355 INFO L93 Difference]: Finished difference Result 2647 states and 3967 transitions. [2024-11-28 05:13:50,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:13:50,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 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 45 [2024-11-28 05:13:50,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:50,384 INFO L225 Difference]: With dead ends: 2647 [2024-11-28 05:13:50,384 INFO L226 Difference]: Without dead ends: 1350 [2024-11-28 05:13:50,391 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:13:50,395 INFO L435 NwaCegarLoop]: 2017 mSDtfsCounter, 0 mSDsluCounter, 4028 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6045 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:50,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6045 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:13:50,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1350 states. [2024-11-28 05:13:50,508 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1350 to 1350. [2024-11-28 05:13:50,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1350 states, 1349 states have (on average 1.498146775389177) internal successors, (2021), 1349 states have internal predecessors, (2021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:50,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1350 states and 2021 transitions. [2024-11-28 05:13:50,531 INFO L78 Accepts]: Start accepts. Automaton has 1350 states and 2021 transitions. Word has length 45 [2024-11-28 05:13:50,531 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:50,531 INFO L471 AbstractCegarLoop]: Abstraction has 1350 states and 2021 transitions. [2024-11-28 05:13:50,532 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:50,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 2021 transitions. [2024-11-28 05:13:50,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-28 05:13:50,536 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:50,536 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:50,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 05:13:50,537 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:50,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:50,538 INFO L85 PathProgramCache]: Analyzing trace with hash 2042600515, now seen corresponding path program 1 times [2024-11-28 05:13:50,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:50,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564036885] [2024-11-28 05:13:50,538 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:50,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:50,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:50,870 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:13:50,871 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:50,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564036885] [2024-11-28 05:13:50,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564036885] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:13:50,872 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:13:50,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:13:50,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511978000] [2024-11-28 05:13:50,874 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:13:50,875 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:13:50,875 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:50,876 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:13:50,876 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:13:50,877 INFO L87 Difference]: Start difference. First operand 1350 states and 2021 transitions. Second operand has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:50,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:50,994 INFO L93 Difference]: Finished difference Result 2648 states and 3965 transitions. [2024-11-28 05:13:50,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:13:50,995 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 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 46 [2024-11-28 05:13:50,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:51,004 INFO L225 Difference]: With dead ends: 2648 [2024-11-28 05:13:51,005 INFO L226 Difference]: Without dead ends: 1352 [2024-11-28 05:13:51,006 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:13:51,008 INFO L435 NwaCegarLoop]: 2017 mSDtfsCounter, 0 mSDsluCounter, 4024 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 6041 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:51,008 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 6041 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 05:13:51,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1352 states. [2024-11-28 05:13:51,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1352 to 1352. [2024-11-28 05:13:51,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1352 states, 1351 states have (on average 1.4974093264248705) internal successors, (2023), 1351 states have internal predecessors, (2023), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:51,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1352 states and 2023 transitions. [2024-11-28 05:13:51,054 INFO L78 Accepts]: Start accepts. Automaton has 1352 states and 2023 transitions. Word has length 46 [2024-11-28 05:13:51,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:51,055 INFO L471 AbstractCegarLoop]: Abstraction has 1352 states and 2023 transitions. [2024-11-28 05:13:51,056 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.5) internal successors, (46), 4 states have internal predecessors, (46), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:51,056 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 2023 transitions. [2024-11-28 05:13:51,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-11-28 05:13:51,057 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:51,057 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:51,057 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 05:13:51,057 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:51,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:51,058 INFO L85 PathProgramCache]: Analyzing trace with hash 2093108139, now seen corresponding path program 1 times [2024-11-28 05:13:51,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:51,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [555021195] [2024-11-28 05:13:51,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:51,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:51,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:52,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:13:52,242 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:52,242 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [555021195] [2024-11-28 05:13:52,242 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [555021195] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:13:52,242 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:13:52,243 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 05:13:52,243 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483929753] [2024-11-28 05:13:52,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:13:52,243 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 05:13:52,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:52,244 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 05:13:52,244 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:13:52,244 INFO L87 Difference]: Start difference. First operand 1352 states and 2023 transitions. Second operand has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:52,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:52,400 INFO L93 Difference]: Finished difference Result 2654 states and 3972 transitions. [2024-11-28 05:13:52,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:13:52,401 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 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 47 [2024-11-28 05:13:52,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:52,407 INFO L225 Difference]: With dead ends: 2654 [2024-11-28 05:13:52,407 INFO L226 Difference]: Without dead ends: 1356 [2024-11-28 05:13:52,409 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 05:13:52,410 INFO L435 NwaCegarLoop]: 2009 mSDtfsCounter, 12 mSDsluCounter, 4017 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 6026 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:52,410 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 6026 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:13:52,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1356 states. [2024-11-28 05:13:52,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1356 to 1354. [2024-11-28 05:13:52,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1354 states, 1353 states have (on average 1.4966740576496673) internal successors, (2025), 1353 states have internal predecessors, (2025), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:52,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1354 states and 2025 transitions. [2024-11-28 05:13:52,463 INFO L78 Accepts]: Start accepts. Automaton has 1354 states and 2025 transitions. Word has length 47 [2024-11-28 05:13:52,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:52,463 INFO L471 AbstractCegarLoop]: Abstraction has 1354 states and 2025 transitions. [2024-11-28 05:13:52,463 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 7.833333333333333) internal successors, (47), 6 states have internal predecessors, (47), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:52,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 2025 transitions. [2024-11-28 05:13:52,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2024-11-28 05:13:52,464 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:52,465 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:52,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 05:13:52,465 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:52,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:52,469 INFO L85 PathProgramCache]: Analyzing trace with hash 1370729930, now seen corresponding path program 1 times [2024-11-28 05:13:52,470 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:52,470 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341438642] [2024-11-28 05:13:52,470 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:52,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:52,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:13:53,267 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:13:53,267 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 05:13:53,268 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341438642] [2024-11-28 05:13:53,268 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341438642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:13:53,268 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:13:53,268 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2024-11-28 05:13:53,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821189050] [2024-11-28 05:13:53,268 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:13:53,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-28 05:13:53,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 05:13:53,269 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-28 05:13:53,269 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2024-11-28 05:13:53,269 INFO L87 Difference]: Start difference. First operand 1354 states and 2025 transitions. Second operand has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:53,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:13:53,533 INFO L93 Difference]: Finished difference Result 2662 states and 3981 transitions. [2024-11-28 05:13:53,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-28 05:13:53,533 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 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 48 [2024-11-28 05:13:53,535 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:13:53,540 INFO L225 Difference]: With dead ends: 2662 [2024-11-28 05:13:53,540 INFO L226 Difference]: Without dead ends: 1362 [2024-11-28 05:13:53,542 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:13:53,542 INFO L435 NwaCegarLoop]: 2008 mSDtfsCounter, 1998 mSDsluCounter, 8022 mSDsCounter, 0 mSdLazyCounter, 65 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1998 SdHoareTripleChecker+Valid, 10030 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 65 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 05:13:53,543 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1998 Valid, 10030 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 65 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 05:13:53,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2024-11-28 05:13:53,571 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1360. [2024-11-28 05:13:53,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1360 states, 1359 states have (on average 1.495952906548933) internal successors, (2033), 1359 states have internal predecessors, (2033), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:53,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1360 states and 2033 transitions. [2024-11-28 05:13:53,581 INFO L78 Accepts]: Start accepts. Automaton has 1360 states and 2033 transitions. Word has length 48 [2024-11-28 05:13:53,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:13:53,581 INFO L471 AbstractCegarLoop]: Abstraction has 1360 states and 2033 transitions. [2024-11-28 05:13:53,581 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 6.857142857142857) internal successors, (48), 7 states have internal predecessors, (48), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:13:53,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 2033 transitions. [2024-11-28 05:13:53,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2024-11-28 05:13:53,582 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:13:53,582 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 05:13:53,582 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 05:13:53,582 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:13:53,583 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:13:53,583 INFO L85 PathProgramCache]: Analyzing trace with hash -137698584, now seen corresponding path program 1 times [2024-11-28 05:13:53,583 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 05:13:53,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [376077364] [2024-11-28 05:13:53,583 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:13:53,583 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 05:13:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:13:53,700 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 05:13:53,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 05:13:53,831 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 05:13:53,831 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 05:13:53,832 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 05:13:53,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 05:13:53,839 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1] [2024-11-28 05:13:53,949 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 05:13:53,952 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 05:13:53 BoogieIcfgContainer [2024-11-28 05:13:53,955 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 05:13:53,957 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 05:13:53,957 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 05:13:53,958 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 05:13:53,959 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:13:48" (3/4) ... [2024-11-28 05:13:53,962 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 05:13:53,964 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 05:13:53,965 INFO L158 Benchmark]: Toolchain (without parser) took 15592.28ms. Allocated memory was 117.4MB in the beginning and 855.6MB in the end (delta: 738.2MB). Free memory was 90.1MB in the beginning and 572.9MB in the end (delta: -482.8MB). Peak memory consumption was 258.0MB. Max. memory is 16.1GB. [2024-11-28 05:13:53,965 INFO L158 Benchmark]: CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 196.7kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:13:53,965 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1213.92ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 62.2MB in the end (delta: 27.6MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. [2024-11-28 05:13:53,966 INFO L158 Benchmark]: Boogie Procedure Inliner took 734.14ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 62.2MB in the beginning and 159.3MB in the end (delta: -97.1MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. [2024-11-28 05:13:53,966 INFO L158 Benchmark]: Boogie Preprocessor took 751.67ms. Allocated memory is still 285.2MB. Free memory was 159.3MB in the beginning and 153.9MB in the end (delta: 5.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. [2024-11-28 05:13:53,966 INFO L158 Benchmark]: RCFGBuilder took 7585.81ms. Allocated memory was 285.2MB in the beginning and 855.6MB in the end (delta: 570.4MB). Free memory was 153.9MB in the beginning and 286.1MB in the end (delta: -132.2MB). Peak memory consumption was 455.4MB. Max. memory is 16.1GB. [2024-11-28 05:13:53,967 INFO L158 Benchmark]: TraceAbstraction took 5289.93ms. Allocated memory is still 855.6MB. Free memory was 286.1MB in the beginning and 572.9MB in the end (delta: -286.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:13:53,967 INFO L158 Benchmark]: Witness Printer took 6.49ms. Allocated memory is still 855.6MB. Free memory was 572.9MB in the beginning and 572.9MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 05:13:53,972 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.49ms. Allocated memory is still 117.4MB. Free memory was 74.8MB in the beginning and 74.6MB in the end (delta: 196.7kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1213.92ms. Allocated memory is still 117.4MB. Free memory was 89.8MB in the beginning and 62.2MB in the end (delta: 27.6MB). Peak memory consumption was 75.9MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 734.14ms. Allocated memory was 117.4MB in the beginning and 285.2MB in the end (delta: 167.8MB). Free memory was 62.2MB in the beginning and 159.3MB in the end (delta: -97.1MB). Peak memory consumption was 71.7MB. Max. memory is 16.1GB. * Boogie Preprocessor took 751.67ms. Allocated memory is still 285.2MB. Free memory was 159.3MB in the beginning and 153.9MB in the end (delta: 5.4MB). Peak memory consumption was 47.9MB. Max. memory is 16.1GB. * RCFGBuilder took 7585.81ms. Allocated memory was 285.2MB in the beginning and 855.6MB in the end (delta: 570.4MB). Free memory was 153.9MB in the beginning and 286.1MB in the end (delta: -132.2MB). Peak memory consumption was 455.4MB. Max. memory is 16.1GB. * TraceAbstraction took 5289.93ms. Allocated memory is still 855.6MB. Free memory was 286.1MB in the beginning and 572.9MB in the end (delta: -286.8MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 6.49ms. Allocated memory is still 855.6MB. Free memory was 572.9MB in the beginning and 572.9MB in the end (delta: 48.0kB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 21]: Unable to prove that a call to reach_error is unreachable Unable to prove that a call to reach_error is unreachable Reason: overapproximation of bitwiseOr at line 206. Possible FailurePath: [L26] const SORT_1 mask_SORT_1 = (SORT_1)-1 >> (sizeof(SORT_1) * 8 - 1); [L27] const SORT_1 msb_SORT_1 = (SORT_1)1 << (1 - 1); [L29] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 16); [L30] const SORT_3 msb_SORT_3 = (SORT_3)1 << (16 - 1); [L32] const SORT_9 mask_SORT_9 = (SORT_9)-1 >> (sizeof(SORT_9) * 8 - 2); [L33] const SORT_9 msb_SORT_9 = (SORT_9)1 << (2 - 1); [L35] const SORT_14 mask_SORT_14 = (SORT_14)-1 >> (sizeof(SORT_14) * 8 - 3); [L36] const SORT_14 msb_SORT_14 = (SORT_14)1 << (3 - 1); [L38] const SORT_41 mask_SORT_41 = (SORT_41)-1 >> (sizeof(SORT_41) * 8 - 12); [L39] const SORT_41 msb_SORT_41 = (SORT_41)1 << (12 - 1); [L41] const SORT_97 mask_SORT_97 = (SORT_97)-1 >> (sizeof(SORT_97) * 8 - 17); [L42] const SORT_97 msb_SORT_97 = (SORT_97)1 << (17 - 1); [L44] const SORT_98 mask_SORT_98 = (SORT_98)-1 >> (sizeof(SORT_98) * 8 - 5); [L45] const SORT_98 msb_SORT_98 = (SORT_98)1 << (5 - 1); [L47] const SORT_101 mask_SORT_101 = (SORT_101)-1 >> (sizeof(SORT_101) * 8 - 9); [L48] const SORT_101 msb_SORT_101 = (SORT_101)1 << (9 - 1); [L50] const SORT_103 mask_SORT_103 = (SORT_103)-1 >> (sizeof(SORT_103) * 8 - 10); [L51] const SORT_103 msb_SORT_103 = (SORT_103)1 << (10 - 1); [L53] const SORT_106 mask_SORT_106 = (SORT_106)-1 >> (sizeof(SORT_106) * 8 - 11); [L54] const SORT_106 msb_SORT_106 = (SORT_106)1 << (11 - 1); [L56] const SORT_111 mask_SORT_111 = (SORT_111)-1 >> (sizeof(SORT_111) * 8 - 13); [L57] const SORT_111 msb_SORT_111 = (SORT_111)1 << (13 - 1); [L59] const SORT_114 mask_SORT_114 = (SORT_114)-1 >> (sizeof(SORT_114) * 8 - 14); [L60] const SORT_114 msb_SORT_114 = (SORT_114)1 << (14 - 1); [L62] const SORT_117 mask_SORT_117 = (SORT_117)-1 >> (sizeof(SORT_117) * 8 - 15); [L63] const SORT_117 msb_SORT_117 = (SORT_117)1 << (15 - 1); [L65] const SORT_150 mask_SORT_150 = (SORT_150)-1 >> (sizeof(SORT_150) * 8 - 7); [L66] const SORT_150 msb_SORT_150 = (SORT_150)1 << (7 - 1); [L68] const SORT_366 mask_SORT_366 = (SORT_366)-1 >> (sizeof(SORT_366) * 8 - 4); [L69] const SORT_366 msb_SORT_366 = (SORT_366)1 << (4 - 1); [L71] const SORT_369 mask_SORT_369 = (SORT_369)-1 >> (sizeof(SORT_369) * 8 - 6); [L72] const SORT_369 msb_SORT_369 = (SORT_369)1 << (6 - 1); [L74] const SORT_372 mask_SORT_372 = (SORT_372)-1 >> (sizeof(SORT_372) * 8 - 8); [L75] const SORT_372 msb_SORT_372 = (SORT_372)1 << (8 - 1); [L77] const SORT_3 var_6 = 0; [L78] const SORT_14 var_15 = 0; [L79] const SORT_9 var_19 = 0; [L80] const SORT_1 var_30 = 1; [L81] const SORT_1 var_36 = 0; [L82] const SORT_41 var_42 = 0; [L83] const SORT_14 var_56 = 2; [L84] const SORT_14 var_60 = 1; [L85] const SORT_14 var_65 = 4; [L86] const SORT_14 var_67 = 5; [L87] const SORT_14 var_71 = 3; [L88] const SORT_98 var_99 = 0; [L89] const SORT_150 var_152 = 5; [L90] const SORT_150 var_156 = 4; [L91] const SORT_150 var_160 = 3; [L92] const SORT_150 var_164 = 2; [L93] const SORT_150 var_168 = 1; [L94] const SORT_150 var_172 = 0; [L95] const SORT_41 var_195 = 2; [L96] const SORT_3 var_217 = 65535; [L98] SORT_1 input_2; [L99] SORT_3 input_4; [L100] SORT_3 input_5; [L101] SORT_3 input_207; [L102] SORT_3 input_208; [L103] SORT_3 input_209; [L104] SORT_3 input_216; [L105] SORT_3 input_224; [L106] SORT_3 input_225; [L107] SORT_3 input_226; [L108] SORT_3 input_229; [L109] SORT_3 input_247; [L110] SORT_3 input_248; [L111] SORT_3 input_249; [L112] SORT_3 input_252; [L113] SORT_3 input_254; [L114] SORT_9 input_268; [L115] SORT_9 input_269; [L116] SORT_9 input_270; [L118] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L118] SORT_3 state_7 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_14 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L119] SORT_14 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_14; [L120] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L120] SORT_3 state_21 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L121] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L121] SORT_3 state_23 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L122] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L122] SORT_3 state_34 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L123] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L124] SORT_3 state_39 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L125] EXPR __VERIFIER_nondet_ushort() & mask_SORT_41 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L125] SORT_41 state_43 = __VERIFIER_nondet_ushort() & mask_SORT_41; [L126] EXPR __VERIFIER_nondet_ushort() & mask_SORT_41 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L126] SORT_41 state_45 = __VERIFIER_nondet_ushort() & mask_SORT_41; [L127] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L127] SORT_3 state_47 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L128] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L128] SORT_3 state_49 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L129] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L129] SORT_3 state_51 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L130] EXPR __VERIFIER_nondet_ushort() & mask_SORT_3 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_42=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L130] SORT_3 state_53 = __VERIFIER_nondet_ushort() & mask_SORT_3; [L132] SORT_3 init_8_arg_1 = var_6; [L133] state_7 = init_8_arg_1 [L134] SORT_14 init_17_arg_1 = var_15; [L135] state_16 = init_17_arg_1 [L136] SORT_3 init_22_arg_1 = var_6; [L137] state_21 = init_22_arg_1 [L138] SORT_3 init_24_arg_1 = var_6; [L139] state_23 = init_24_arg_1 [L140] SORT_3 init_35_arg_1 = var_6; [L141] state_34 = init_35_arg_1 [L142] SORT_1 init_38_arg_1 = var_36; [L143] state_37 = init_38_arg_1 [L144] SORT_3 init_40_arg_1 = var_6; [L145] state_39 = init_40_arg_1 [L146] SORT_41 init_44_arg_1 = var_42; [L147] state_43 = init_44_arg_1 [L148] SORT_41 init_46_arg_1 = var_42; [L149] state_45 = init_46_arg_1 [L150] SORT_3 init_48_arg_1 = var_6; [L151] state_47 = init_48_arg_1 [L152] SORT_3 init_50_arg_1 = var_6; [L153] state_49 = init_50_arg_1 [L154] SORT_3 init_52_arg_1 = var_6; [L155] state_51 = init_52_arg_1 [L156] SORT_3 init_54_arg_1 = var_6; [L157] state_53 = init_54_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L160] input_2 = __VERIFIER_nondet_uchar() [L161] input_4 = __VERIFIER_nondet_ushort() [L162] input_5 = __VERIFIER_nondet_ushort() [L163] input_207 = __VERIFIER_nondet_ushort() [L164] input_208 = __VERIFIER_nondet_ushort() [L165] input_209 = __VERIFIER_nondet_ushort() [L166] input_216 = __VERIFIER_nondet_ushort() [L167] input_224 = __VERIFIER_nondet_ushort() [L168] input_225 = __VERIFIER_nondet_ushort() [L169] input_226 = __VERIFIER_nondet_ushort() [L170] input_229 = __VERIFIER_nondet_ushort() [L171] input_247 = __VERIFIER_nondet_ushort() [L172] input_248 = __VERIFIER_nondet_ushort() [L173] input_249 = __VERIFIER_nondet_ushort() [L174] input_252 = __VERIFIER_nondet_ushort() [L175] input_254 = __VERIFIER_nondet_ushort() [L176] input_268 = __VERIFIER_nondet_uchar() [L177] input_269 = __VERIFIER_nondet_uchar() [L178] input_270 = __VERIFIER_nondet_uchar() [L181] SORT_3 var_10_arg_0 = state_7; [L182] SORT_9 var_10 = var_10_arg_0 >> 3; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L183] EXPR var_10 & mask_SORT_9 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L183] var_10 = var_10 & mask_SORT_9 [L184] SORT_3 var_11_arg_0 = state_7; [L185] SORT_9 var_11 = var_11_arg_0 >> 5; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L186] EXPR var_11 & mask_SORT_9 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_10=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L186] var_11 = var_11 & mask_SORT_9 [L187] SORT_9 var_12_arg_0 = var_10; [L188] SORT_9 var_12_arg_1 = var_11; [L189] SORT_1 var_12 = var_12_arg_0 == var_12_arg_1; [L190] SORT_1 var_13_arg_0 = var_12; [L191] SORT_1 var_13 = ~var_13_arg_0; [L192] SORT_14 var_18_arg_0 = state_16; [L193] SORT_9 var_18 = var_18_arg_0 >> 1; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_18=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L194] EXPR var_18 & mask_SORT_9 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L194] var_18 = var_18 & mask_SORT_9 [L195] SORT_9 var_20_arg_0 = var_18; [L196] SORT_9 var_20_arg_1 = var_19; [L197] SORT_1 var_20 = var_20_arg_0 == var_20_arg_1; [L198] SORT_3 var_25_arg_0 = state_21; [L199] SORT_3 var_25_arg_1 = state_23; [L200] SORT_1 var_25 = var_25_arg_0 == var_25_arg_1; [L201] SORT_1 var_26_arg_0 = var_20; [L202] SORT_1 var_26_arg_1 = var_25; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_26_arg_0=1, var_26_arg_1=1, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L203] EXPR var_26_arg_0 | var_26_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_13=-2, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L203] SORT_1 var_26 = var_26_arg_0 | var_26_arg_1; [L204] SORT_1 var_27_arg_0 = var_13; [L205] SORT_1 var_27_arg_1 = var_26; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_27_arg_0=-2, var_27_arg_1=1, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L206] EXPR var_27_arg_0 | var_27_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L206] SORT_1 var_27 = var_27_arg_0 | var_27_arg_1; [L207] SORT_1 var_31_arg_0 = var_27; [L208] SORT_1 var_31 = ~var_31_arg_0; [L209] SORT_1 var_32_arg_0 = var_30; [L210] SORT_1 var_32_arg_1 = var_31; VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_32_arg_0=1, var_32_arg_1=-255, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L211] EXPR var_32_arg_0 & var_32_arg_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L211] SORT_1 var_32 = var_32_arg_0 & var_32_arg_1; [L212] EXPR var_32 & mask_SORT_1 VAL [mask_SORT_101=511, mask_SORT_103=1023, mask_SORT_106=2047, mask_SORT_111=8191, mask_SORT_114=16383, mask_SORT_117=32767, mask_SORT_14=7, mask_SORT_150=127, mask_SORT_1=1, mask_SORT_366=15, mask_SORT_369=63, mask_SORT_372=255, mask_SORT_3=65535, mask_SORT_41=4095, mask_SORT_98=31, mask_SORT_9=3, state_16=0, state_21=0, state_23=0, state_34=0, state_37=0, state_39=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_7=0, var_11=0, var_152=5, var_156=4, var_15=0, var_160=3, var_164=2, var_168=1, var_172=0, var_195=2, var_19=0, var_217=65535, var_30=1, var_36=0, var_56=2, var_60=1, var_65=4, var_67=5, var_6=0, var_71=3, var_99=0] [L212] var_32 = var_32 & mask_SORT_1 [L213] SORT_1 bad_33_arg_0 = var_32; [L214] CALL __VERIFIER_assert(!(bad_33_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 1351 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 5.1s, OverallIterations: 5, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2010 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2010 mSDsluCounter, 28142 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 20091 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 129 IncrementalHoareTripleChecker+Invalid, 131 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 8051 mSDtfsCounter, 129 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 26 GetRequests, 9 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1360occurred in iteration=4, InterpolantAutomatonStates: 21, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 4 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 2.9s InterpolantComputationTime, 235 NumberOfCodeBlocks, 235 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 182 ConstructedInterpolants, 0 QuantifiedInterpolants, 406 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available, ConComCheckerStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-28 05:13:54,004 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 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/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB --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 64bit --witnessprinter.graph.data.programhash 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 05:13:56,873 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 05:13:57,029 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-28 05:13:57,036 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 05:13:57,038 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 05:13:57,074 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 05:13:57,076 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 05:13:57,076 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 05:13:57,077 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 05:13:57,077 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 05:13:57,078 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 05:13:57,078 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 05:13:57,079 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 05:13:57,079 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 05:13:57,080 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 05:13:57,080 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 05:13:57,080 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 05:13:57,080 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 05:13:57,080 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 05:13:57,080 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 05:13:57,081 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 05:13:57,081 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 05:13:57,081 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 05:13:57,082 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 05:13:57,082 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 05:13:57,082 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 05:13:57,082 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 05:13:57,082 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 05:13:57,082 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:13:57,082 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:13:57,083 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:13:57,083 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:57,083 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 05:13:57,083 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 05:13:57,083 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 05:13:57,084 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 05:13:57,084 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:13:57,084 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 05:13:57,084 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 05:13:57,084 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 05:13:57,085 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 05:13:57,085 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 05:13:57,085 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 05:13:57,085 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 05:13:57,085 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 05:13:57,085 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 05:13:57,085 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 05:13:57,085 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2164f122c5c32edee2ede3aaa086ed34ce5834fc0fb4a31a890516c48b14c747 [2024-11-28 05:13:57,484 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 05:13:57,497 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 05:13:57,501 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 05:13:57,503 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 05:13:57,504 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 05:13:57,505 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-28 05:14:00,572 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/data/3960082ae/f451159476d34e3386510a0d243de3de/FLAG3853e7427 [2024-11-28 05:14:01,089 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 05:14:01,093 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-28 05:14:01,127 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/data/3960082ae/f451159476d34e3386510a0d243de3de/FLAG3853e7427 [2024-11-28 05:14:01,159 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/data/3960082ae/f451159476d34e3386510a0d243de3de [2024-11-28 05:14:01,162 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 05:14:01,164 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 05:14:01,166 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 05:14:01,168 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 05:14:01,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 05:14:01,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:14:01" (1/1) ... [2024-11-28 05:14:01,178 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d9fc946 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:01, skipping insertion in model container [2024-11-28 05:14:01,178 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 05:14:01" (1/1) ... [2024-11-28 05:14:01,267 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 05:14:01,512 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-11-28 05:14:01,973 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:14:01,998 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 05:14:02,011 WARN L250 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.vis_arrays_vsa16a_p4.c[1260,1273] [2024-11-28 05:14:02,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 05:14:02,275 INFO L204 MainTranslator]: Completed translation [2024-11-28 05:14:02,276 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02 WrapperNode [2024-11-28 05:14:02,277 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 05:14:02,279 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 05:14:02,279 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 05:14:02,279 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 05:14:02,293 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,350 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,513 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 1824 [2024-11-28 05:14:02,513 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 05:14:02,514 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 05:14:02,514 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 05:14:02,514 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 05:14:02,527 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,527 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,552 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,610 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-28 05:14:02,610 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,610 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,668 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,680 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,689 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,706 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,738 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,763 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 05:14:02,770 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 05:14:02,770 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 05:14:02,770 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 05:14:02,772 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (1/1) ... [2024-11-28 05:14:02,781 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 05:14:02,799 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:02,815 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 05:14:02,824 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 05:14:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 05:14:02,851 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 05:14:02,852 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 05:14:02,852 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 05:14:03,408 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 05:14:03,412 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 05:14:07,175 INFO L? ?]: Removed 83 outVars from TransFormulas that were not future-live. [2024-11-28 05:14:07,175 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 05:14:07,185 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 05:14:07,185 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 05:14:07,186 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:07 BoogieIcfgContainer [2024-11-28 05:14:07,186 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 05:14:07,189 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 05:14:07,189 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 05:14:07,195 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 05:14:07,196 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 05:14:01" (1/3) ... [2024-11-28 05:14:07,197 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a5f484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:14:07, skipping insertion in model container [2024-11-28 05:14:07,197 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 05:14:02" (2/3) ... [2024-11-28 05:14:07,199 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@31a5f484 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 05:14:07, skipping insertion in model container [2024-11-28 05:14:07,199 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 05:14:07" (3/3) ... [2024-11-28 05:14:07,200 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.vis_arrays_vsa16a_p4.c [2024-11-28 05:14:07,218 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 05:14:07,220 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.vis_arrays_vsa16a_p4.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 05:14:07,286 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 05:14:07,305 INFO L333 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@3ed44b53, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 05:14:07,306 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 05:14:07,310 INFO L276 IsEmpty]: Start isEmpty. Operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:14:07,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 05:14:07,316 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:07,316 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 05:14:07,317 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:07,324 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:07,325 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-28 05:14:07,343 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:14:07,344 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [979065132] [2024-11-28 05:14:07,344 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:07,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:07,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:07,351 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:07,353 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 05:14:07,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:07,882 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-11-28 05:14:07,895 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:08,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:14:08,121 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 05:14:08,122 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:14:08,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [979065132] [2024-11-28 05:14:08,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [979065132] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 05:14:08,127 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 05:14:08,127 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 05:14:08,129 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940822541] [2024-11-28 05:14:08,130 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 05:14:08,135 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 05:14:08,135 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:14:08,159 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 05:14:08,160 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 05:14:08,162 INFO L87 Difference]: Start difference. First operand has 10 states, 8 states have (on average 1.375) internal successors, (11), 9 states have internal predecessors, (11), 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 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2024-11-28 05:14:08,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:08,370 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-28 05:14:08,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 05:14:08,374 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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 [2024-11-28 05:14:08,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:08,382 INFO L225 Difference]: With dead ends: 18 [2024-11-28 05:14:08,382 INFO L226 Difference]: Without dead ends: 10 [2024-11-28 05:14:08,385 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 05:14:08,388 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:08,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 05:14:08,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-28 05:14:08,414 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-28 05:14:08,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 8 states have (on average 1.125) internal successors, (9), 8 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) [2024-11-28 05:14:08,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-28 05:14:08,420 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-28 05:14:08,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:08,421 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-28 05:14:08,421 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 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) [2024-11-28 05:14:08,421 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-28 05:14:08,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 05:14:08,421 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:08,422 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-28 05:14:08,434 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 05:14:08,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:08,622 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:08,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:08,623 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-28 05:14:08,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:14:08,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [462167499] [2024-11-28 05:14:08,626 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 05:14:08,626 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:08,626 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:08,630 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:08,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 05:14:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 05:14:09,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-28 05:14:09,423 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 05:14:10,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:14:10,127 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-28 05:14:24,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-28 05:14:24,392 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 05:14:24,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [462167499] [2024-11-28 05:14:24,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [462167499] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-28 05:14:24,392 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-28 05:14:24,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-28 05:14:24,393 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1529983784] [2024-11-28 05:14:24,393 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-28 05:14:24,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-28 05:14:24,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 05:14:24,394 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-28 05:14:24,394 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-28 05:14:24,395 INFO L87 Difference]: Start difference. First operand 9 states and 9 transitions. Second operand has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:14:24,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 05:14:24,915 INFO L93 Difference]: Finished difference Result 15 states and 15 transitions. [2024-11-28 05:14:24,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 05:14:24,916 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 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 8 [2024-11-28 05:14:24,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 05:14:24,916 INFO L225 Difference]: With dead ends: 15 [2024-11-28 05:14:24,917 INFO L226 Difference]: Without dead ends: 13 [2024-11-28 05:14:24,917 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2024-11-28 05:14:24,918 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 4 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-28 05:14:24,918 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 19 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-28 05:14:24,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states. [2024-11-28 05:14:24,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 12. [2024-11-28 05:14:24,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12 states, 11 states have (on average 1.0909090909090908) internal successors, (12), 11 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:14:24,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12 states to 12 states and 12 transitions. [2024-11-28 05:14:24,922 INFO L78 Accepts]: Start accepts. Automaton has 12 states and 12 transitions. Word has length 8 [2024-11-28 05:14:24,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 05:14:24,922 INFO L471 AbstractCegarLoop]: Abstraction has 12 states and 12 transitions. [2024-11-28 05:14:24,922 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 1.4) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-28 05:14:24,922 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 12 transitions. [2024-11-28 05:14:24,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-28 05:14:24,923 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 05:14:24,923 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1] [2024-11-28 05:14:24,936 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-28 05:14:25,123 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:25,123 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 05:14:25,124 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 05:14:25,124 INFO L85 PathProgramCache]: Analyzing trace with hash 1906115653, now seen corresponding path program 2 times [2024-11-28 05:14:25,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 05:14:25,127 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [664806486] [2024-11-28 05:14:25,127 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-28 05:14:25,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 05:14:25,127 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 05:14:25,129 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 05:14:25,137 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_6b9287a4-6f9a-4486-adce-58ebaa3d6ad5/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-28 05:14:25,822 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-28 05:14:25,822 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-28 05:14:25,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 62 conjuncts are in the unsatisfiable core [2024-11-28 05:14:25,855 INFO L279 TraceCheckSpWp]: Computing forward predicates...