./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.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_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/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_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/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_bb465572-2640-48d6-accd-4c4f587e43bf/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 e3e79e7da330266ce56daf5234acad11488eb453b66f5074926d34ef16c39523 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:04:41,691 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:04:41,778 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-28 03:04:41,786 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:04:41,787 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:04:41,828 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:04:41,829 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:04:41,829 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:04:41,830 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:04:41,830 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:04:41,831 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:04:41,831 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:04:41,831 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:04:41,832 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:04:41,832 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:04:41,832 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:04:41,832 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:04:41,832 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-28 03:04:41,832 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:04:41,832 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:04:41,832 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:04:41,832 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:04:41,833 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:04:41,833 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:04:41,833 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:04:41,833 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:04:41,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:04:41,833 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:04:41,833 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:04:41,833 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:04:41,833 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:04:41,833 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:04:41,834 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:04:41,834 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:04:41,834 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:04:41,834 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:04:41,834 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:04:41,834 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:04:41,836 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:04:41,837 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-28 03:04:41,837 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-28 03:04:41,837 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:04:41,837 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:04:41,837 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:04:41,838 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:04:41,838 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_bb465572-2640-48d6-accd-4c4f587e43bf/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 -> e3e79e7da330266ce56daf5234acad11488eb453b66f5074926d34ef16c39523 [2024-11-28 03:04:42,157 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:04:42,174 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:04:42,176 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:04:42,179 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:04:42,179 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:04:42,180 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c [2024-11-28 03:04:45,197 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/data/024b5dc88/b42e5dfe387e42a59e430b6d7649a27b/FLAG8c71ad53f [2024-11-28 03:04:45,766 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:04:45,767 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c [2024-11-28 03:04:45,787 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/data/024b5dc88/b42e5dfe387e42a59e430b6d7649a27b/FLAG8c71ad53f [2024-11-28 03:04:46,259 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/data/024b5dc88/b42e5dfe387e42a59e430b6d7649a27b [2024-11-28 03:04:46,261 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:04:46,263 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:04:46,264 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:04:46,264 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:04:46,268 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:04:46,269 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:46" (1/1) ... [2024-11-28 03:04:46,270 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20f031a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:46, skipping insertion in model container [2024-11-28 03:04:46,270 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:04:46" (1/1) ... [2024-11-28 03:04:46,350 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:04:46,560 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_bb465572-2640-48d6-accd-4c4f587e43bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c[1171,1184] [2024-11-28 03:04:47,131 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:04:47,143 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:04:47,156 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_bb465572-2640-48d6-accd-4c4f587e43bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c[1171,1184] [2024-11-28 03:04:47,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:04:47,528 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:04:47,529 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47 WrapperNode [2024-11-28 03:04:47,529 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:04:47,530 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:04:47,531 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:04:47,531 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:04:47,544 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:47,626 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:48,753 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 8734 [2024-11-28 03:04:48,755 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:04:48,755 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:04:48,757 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:04:48,757 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:04:48,768 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:48,769 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:49,036 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:49,299 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 03:04:49,299 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:49,300 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:49,590 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:49,614 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:49,678 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:49,742 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:49,783 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:49,977 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:04:49,978 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:04:49,979 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:04:49,980 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:04:49,980 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (1/1) ... [2024-11-28 03:04:49,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:04:50,004 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:04:50,019 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:04:50,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:04:50,051 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:04:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-28 03:04:50,052 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:04:50,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:04:50,721 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:04:50,723 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:05:04,211 INFO L? ?]: Removed 4755 outVars from TransFormulas that were not future-live. [2024-11-28 03:05:04,211 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:05:04,314 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:05:04,315 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:05:04,315 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:04 BoogieIcfgContainer [2024-11-28 03:05:04,315 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:05:04,318 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:05:04,319 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:05:04,325 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:05:04,326 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:04:46" (1/3) ... [2024-11-28 03:05:04,327 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee47089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:04, skipping insertion in model container [2024-11-28 03:05:04,329 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:04:47" (2/3) ... [2024-11-28 03:05:04,330 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ee47089 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:04, skipping insertion in model container [2024-11-28 03:05:04,330 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:04" (3/3) ... [2024-11-28 03:05:04,331 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.6.prop1-func-interl.c [2024-11-28 03:05:04,355 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:05:04,356 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.6.prop1-func-interl.c that has 1 procedures, 3158 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:05:04,516 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:05:04,531 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;@3edfd05a, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:05:04,532 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:05:04,549 INFO L276 IsEmpty]: Start isEmpty. Operand has 3158 states, 3156 states have (on average 1.499683143219265) internal successors, (4733), 3157 states have internal predecessors, (4733), 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 03:05:04,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-11-28 03:05:04,562 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:04,563 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, 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, 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 03:05:04,564 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:04,569 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:04,569 INFO L85 PathProgramCache]: Analyzing trace with hash 1504481500, now seen corresponding path program 1 times [2024-11-28 03:05:04,578 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:04,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198806821] [2024-11-28 03:05:04,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:04,579 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:06,344 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 03:05:06,346 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:06,346 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198806821] [2024-11-28 03:05:06,347 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198806821] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:06,347 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:06,347 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:05:06,349 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382995415] [2024-11-28 03:05:06,352 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:06,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:05:06,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:06,382 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:05:06,383 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:05:06,393 INFO L87 Difference]: Start difference. First operand has 3158 states, 3156 states have (on average 1.499683143219265) internal successors, (4733), 3157 states have internal predecessors, (4733), 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 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 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 03:05:12,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:12,092 INFO L93 Difference]: Finished difference Result 8716 states and 13069 transitions. [2024-11-28 03:05:12,093 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:05:12,095 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 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 139 [2024-11-28 03:05:12,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:12,128 INFO L225 Difference]: With dead ends: 8716 [2024-11-28 03:05:12,128 INFO L226 Difference]: Without dead ends: 5692 [2024-11-28 03:05:12,138 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:05:12,140 INFO L435 NwaCegarLoop]: 3555 mSDtfsCounter, 3878 mSDsluCounter, 10067 mSDsCounter, 0 mSdLazyCounter, 5095 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3878 SdHoareTripleChecker+Valid, 13622 SdHoareTripleChecker+Invalid, 5096 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5095 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:12,141 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3878 Valid, 13622 Invalid, 5096 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5095 Invalid, 0 Unknown, 0 Unchecked, 5.2s Time] [2024-11-28 03:05:12,165 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5692 states. [2024-11-28 03:05:12,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5692 to 3270. [2024-11-28 03:05:12,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3270 states, 3269 states have (on average 1.4989293361884368) internal successors, (4900), 3269 states have internal predecessors, (4900), 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 03:05:12,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3270 states to 3270 states and 4900 transitions. [2024-11-28 03:05:12,353 INFO L78 Accepts]: Start accepts. Automaton has 3270 states and 4900 transitions. Word has length 139 [2024-11-28 03:05:12,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:12,355 INFO L471 AbstractCegarLoop]: Abstraction has 3270 states and 4900 transitions. [2024-11-28 03:05:12,355 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.8) internal successors, (139), 5 states have internal predecessors, (139), 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 03:05:12,356 INFO L276 IsEmpty]: Start isEmpty. Operand 3270 states and 4900 transitions. [2024-11-28 03:05:12,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2024-11-28 03:05:12,364 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:12,364 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, 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, 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 03:05:12,364 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-28 03:05:12,365 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:12,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:12,366 INFO L85 PathProgramCache]: Analyzing trace with hash -528605671, now seen corresponding path program 1 times [2024-11-28 03:05:12,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:12,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1286417409] [2024-11-28 03:05:12,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:12,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:13,031 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 03:05:13,033 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:13,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1286417409] [2024-11-28 03:05:13,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1286417409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:13,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:13,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:05:13,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270268592] [2024-11-28 03:05:13,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:13,035 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:05:13,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:13,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:05:13,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:05:13,037 INFO L87 Difference]: Start difference. First operand 3270 states and 4900 transitions. Second operand has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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 03:05:13,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:13,123 INFO L93 Difference]: Finished difference Result 3274 states and 4904 transitions. [2024-11-28 03:05:13,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:05:13,124 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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 141 [2024-11-28 03:05:13,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:13,137 INFO L225 Difference]: With dead ends: 3274 [2024-11-28 03:05:13,138 INFO L226 Difference]: Without dead ends: 3272 [2024-11-28 03:05:13,140 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 03:05:13,143 INFO L435 NwaCegarLoop]: 4727 mSDtfsCounter, 0 mSDsluCounter, 9448 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14175 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 03:05:13,143 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14175 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:05:13,150 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3272 states. [2024-11-28 03:05:13,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3272 to 3272. [2024-11-28 03:05:13,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3272 states, 3271 states have (on average 1.4986242739223479) internal successors, (4902), 3271 states have internal predecessors, (4902), 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 03:05:13,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3272 states to 3272 states and 4902 transitions. [2024-11-28 03:05:13,229 INFO L78 Accepts]: Start accepts. Automaton has 3272 states and 4902 transitions. Word has length 141 [2024-11-28 03:05:13,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:13,231 INFO L471 AbstractCegarLoop]: Abstraction has 3272 states and 4902 transitions. [2024-11-28 03:05:13,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.25) internal successors, (141), 4 states have internal predecessors, (141), 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 03:05:13,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3272 states and 4902 transitions. [2024-11-28 03:05:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2024-11-28 03:05:13,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:13,236 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, 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, 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 03:05:13,236 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-28 03:05:13,236 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:13,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:13,240 INFO L85 PathProgramCache]: Analyzing trace with hash 794789407, now seen corresponding path program 1 times [2024-11-28 03:05:13,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:13,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1513735562] [2024-11-28 03:05:13,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:13,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:13,662 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 03:05:13,663 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:13,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1513735562] [2024-11-28 03:05:13,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1513735562] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:13,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:13,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:05:13,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2075449783] [2024-11-28 03:05:13,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:13,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:05:13,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:13,666 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:05:13,666 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:05:13,668 INFO L87 Difference]: Start difference. First operand 3272 states and 4902 transitions. Second operand has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 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 03:05:13,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:13,772 INFO L93 Difference]: Finished difference Result 6297 states and 9436 transitions. [2024-11-28 03:05:13,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:05:13,773 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 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 142 [2024-11-28 03:05:13,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:13,787 INFO L225 Difference]: With dead ends: 6297 [2024-11-28 03:05:13,788 INFO L226 Difference]: Without dead ends: 3274 [2024-11-28 03:05:13,793 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 03:05:13,794 INFO L435 NwaCegarLoop]: 4727 mSDtfsCounter, 0 mSDsluCounter, 9444 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 14171 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 03:05:13,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 14171 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:05:13,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3274 states. [2024-11-28 03:05:13,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3274 to 3274. [2024-11-28 03:05:13,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3274 states, 3273 states have (on average 1.498319584479071) internal successors, (4904), 3273 states have internal predecessors, (4904), 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 03:05:13,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3274 states to 3274 states and 4904 transitions. [2024-11-28 03:05:13,883 INFO L78 Accepts]: Start accepts. Automaton has 3274 states and 4904 transitions. Word has length 142 [2024-11-28 03:05:13,884 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:13,884 INFO L471 AbstractCegarLoop]: Abstraction has 3274 states and 4904 transitions. [2024-11-28 03:05:13,884 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.5) internal successors, (142), 4 states have internal predecessors, (142), 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 03:05:13,884 INFO L276 IsEmpty]: Start isEmpty. Operand 3274 states and 4904 transitions. [2024-11-28 03:05:13,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2024-11-28 03:05:13,888 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:13,889 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, 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, 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 03:05:13,889 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-28 03:05:13,889 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:13,889 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:13,890 INFO L85 PathProgramCache]: Analyzing trace with hash 2065670066, now seen corresponding path program 1 times [2024-11-28 03:05:13,890 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:13,890 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1365484330] [2024-11-28 03:05:13,890 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:13,890 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:14,293 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 03:05:14,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:14,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1365484330] [2024-11-28 03:05:14,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1365484330] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:14,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:14,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:05:14,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356631025] [2024-11-28 03:05:14,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:14,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:05:14,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:14,296 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:05:14,296 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:05:14,297 INFO L87 Difference]: Start difference. First operand 3274 states and 4904 transitions. Second operand has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 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 03:05:14,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:14,409 INFO L93 Difference]: Finished difference Result 6305 states and 9446 transitions. [2024-11-28 03:05:14,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:05:14,410 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 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 143 [2024-11-28 03:05:14,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:14,422 INFO L225 Difference]: With dead ends: 6305 [2024-11-28 03:05:14,422 INFO L226 Difference]: Without dead ends: 3280 [2024-11-28 03:05:14,426 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 03:05:14,428 INFO L435 NwaCegarLoop]: 4727 mSDtfsCounter, 4 mSDsluCounter, 9438 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 14165 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:14,429 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 14165 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-28 03:05:14,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3280 states. [2024-11-28 03:05:14,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3280 to 3280. [2024-11-28 03:05:14,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3280 states, 3279 states have (on average 1.4980176883196097) internal successors, (4912), 3279 states have internal predecessors, (4912), 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 03:05:14,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 3280 states and 4912 transitions. [2024-11-28 03:05:14,517 INFO L78 Accepts]: Start accepts. Automaton has 3280 states and 4912 transitions. Word has length 143 [2024-11-28 03:05:14,517 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:14,517 INFO L471 AbstractCegarLoop]: Abstraction has 3280 states and 4912 transitions. [2024-11-28 03:05:14,518 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 35.75) internal successors, (143), 4 states have internal predecessors, (143), 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 03:05:14,518 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 4912 transitions. [2024-11-28 03:05:14,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2024-11-28 03:05:14,520 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:14,520 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, 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, 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 03:05:14,521 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-28 03:05:14,521 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:14,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:14,521 INFO L85 PathProgramCache]: Analyzing trace with hash 665320397, now seen corresponding path program 1 times [2024-11-28 03:05:14,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:14,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1857815904] [2024-11-28 03:05:14,521 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:14,522 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:14,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:14,936 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 03:05:14,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:14,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1857815904] [2024-11-28 03:05:14,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1857815904] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:14,936 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:14,936 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:05:14,936 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [323758822] [2024-11-28 03:05:14,936 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:14,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:05:14,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:14,937 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:05:14,937 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:05:14,938 INFO L87 Difference]: Start difference. First operand 3280 states and 4912 transitions. Second operand has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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 03:05:15,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:15,159 INFO L93 Difference]: Finished difference Result 6315 states and 9458 transitions. [2024-11-28 03:05:15,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:05:15,159 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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 144 [2024-11-28 03:05:15,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:15,171 INFO L225 Difference]: With dead ends: 6315 [2024-11-28 03:05:15,172 INFO L226 Difference]: Without dead ends: 3284 [2024-11-28 03:05:15,175 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:05:15,176 INFO L435 NwaCegarLoop]: 4727 mSDtfsCounter, 0 mSDsluCounter, 14147 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 18874 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:15,177 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 18874 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-28 03:05:15,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3284 states. [2024-11-28 03:05:15,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3284 to 3280. [2024-11-28 03:05:15,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3280 states, 3279 states have (on average 1.4980176883196097) internal successors, (4912), 3279 states have internal predecessors, (4912), 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 03:05:15,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 3280 states and 4912 transitions. [2024-11-28 03:05:15,260 INFO L78 Accepts]: Start accepts. Automaton has 3280 states and 4912 transitions. Word has length 144 [2024-11-28 03:05:15,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:15,260 INFO L471 AbstractCegarLoop]: Abstraction has 3280 states and 4912 transitions. [2024-11-28 03:05:15,261 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 28.8) internal successors, (144), 5 states have internal predecessors, (144), 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 03:05:15,261 INFO L276 IsEmpty]: Start isEmpty. Operand 3280 states and 4912 transitions. [2024-11-28 03:05:15,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2024-11-28 03:05:15,262 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:15,263 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, 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, 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 03:05:15,263 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-28 03:05:15,263 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:15,263 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:15,264 INFO L85 PathProgramCache]: Analyzing trace with hash 58983499, now seen corresponding path program 1 times [2024-11-28 03:05:15,264 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:15,264 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [357716143] [2024-11-28 03:05:15,264 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:15,264 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:15,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:15,799 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 03:05:15,802 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:15,802 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [357716143] [2024-11-28 03:05:15,802 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [357716143] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:15,803 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:15,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-28 03:05:15,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [302496365] [2024-11-28 03:05:15,803 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:15,803 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-28 03:05:15,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:15,804 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-28 03:05:15,804 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:05:15,804 INFO L87 Difference]: Start difference. First operand 3280 states and 4912 transitions. Second operand has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 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 03:05:20,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:20,526 INFO L93 Difference]: Finished difference Result 9211 states and 13797 transitions. [2024-11-28 03:05:20,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:05:20,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 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 145 [2024-11-28 03:05:20,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:20,548 INFO L225 Difference]: With dead ends: 9211 [2024-11-28 03:05:20,548 INFO L226 Difference]: Without dead ends: 6180 [2024-11-28 03:05:20,553 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:05:20,554 INFO L435 NwaCegarLoop]: 3405 mSDtfsCounter, 4577 mSDsluCounter, 10070 mSDsCounter, 0 mSdLazyCounter, 5242 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4577 SdHoareTripleChecker+Valid, 13475 SdHoareTripleChecker+Invalid, 5243 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:20,554 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4577 Valid, 13475 Invalid, 5243 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5242 Invalid, 0 Unknown, 0 Unchecked, 4.5s Time] [2024-11-28 03:05:20,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6180 states. [2024-11-28 03:05:20,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6180 to 3288. [2024-11-28 03:05:20,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3288 states, 3287 states have (on average 1.497414055369638) internal successors, (4922), 3287 states have internal predecessors, (4922), 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 03:05:20,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3288 states to 3288 states and 4922 transitions. [2024-11-28 03:05:20,664 INFO L78 Accepts]: Start accepts. Automaton has 3288 states and 4922 transitions. Word has length 145 [2024-11-28 03:05:20,664 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:20,665 INFO L471 AbstractCegarLoop]: Abstraction has 3288 states and 4922 transitions. [2024-11-28 03:05:20,665 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 29.0) internal successors, (145), 5 states have internal predecessors, (145), 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 03:05:20,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3288 states and 4922 transitions. [2024-11-28 03:05:20,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2024-11-28 03:05:20,667 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:20,667 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, 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, 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 03:05:20,668 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-28 03:05:20,668 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:20,668 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:20,668 INFO L85 PathProgramCache]: Analyzing trace with hash 2062473513, now seen corresponding path program 1 times [2024-11-28 03:05:20,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:20,669 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [381901898] [2024-11-28 03:05:20,669 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:20,669 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:20,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:21,496 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 03:05:21,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:21,498 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [381901898] [2024-11-28 03:05:21,498 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [381901898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:21,498 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:21,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:05:21,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025414696] [2024-11-28 03:05:21,498 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:21,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:05:21,499 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:21,499 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:05:21,499 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:05:21,500 INFO L87 Difference]: Start difference. First operand 3288 states and 4922 transitions. Second operand has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 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 03:05:25,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:25,156 INFO L93 Difference]: Finished difference Result 6334 states and 9484 transitions. [2024-11-28 03:05:25,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-28 03:05:25,157 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 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 146 [2024-11-28 03:05:25,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:25,165 INFO L225 Difference]: With dead ends: 6334 [2024-11-28 03:05:25,165 INFO L226 Difference]: Without dead ends: 3303 [2024-11-28 03:05:25,169 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-28 03:05:25,170 INFO L435 NwaCegarLoop]: 3391 mSDtfsCounter, 4612 mSDsluCounter, 10159 mSDsCounter, 0 mSdLazyCounter, 5365 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4612 SdHoareTripleChecker+Valid, 13550 SdHoareTripleChecker+Invalid, 5366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 5365 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.5s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:25,170 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4612 Valid, 13550 Invalid, 5366 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 5365 Invalid, 0 Unknown, 0 Unchecked, 3.5s Time] [2024-11-28 03:05:25,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3303 states. [2024-11-28 03:05:25,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3303 to 3301. [2024-11-28 03:05:25,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3301 states, 3300 states have (on average 1.496060606060606) internal successors, (4937), 3300 states have internal predecessors, (4937), 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 03:05:25,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 4937 transitions. [2024-11-28 03:05:25,235 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 4937 transitions. Word has length 146 [2024-11-28 03:05:25,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:25,235 INFO L471 AbstractCegarLoop]: Abstraction has 3301 states and 4937 transitions. [2024-11-28 03:05:25,236 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.333333333333332) internal successors, (146), 6 states have internal predecessors, (146), 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 03:05:25,236 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 4937 transitions. [2024-11-28 03:05:25,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 03:05:25,237 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:25,238 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, 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, 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 03:05:25,238 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-28 03:05:25,238 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:25,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:25,239 INFO L85 PathProgramCache]: Analyzing trace with hash 401950919, now seen corresponding path program 1 times [2024-11-28 03:05:25,239 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:25,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1837679791] [2024-11-28 03:05:25,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:25,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:27,730 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 03:05:27,731 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-28 03:05:27,731 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1837679791] [2024-11-28 03:05:27,731 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1837679791] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:27,731 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:27,731 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-28 03:05:27,731 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [210457858] [2024-11-28 03:05:27,731 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:27,732 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-28 03:05:27,732 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-28 03:05:27,732 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-28 03:05:27,733 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-28 03:05:27,733 INFO L87 Difference]: Start difference. First operand 3301 states and 4937 transitions. Second operand has 6 states, 6 states have (on average 24.5) internal successors, (147), 6 states have internal predecessors, (147), 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 03:05:28,136 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:28,137 INFO L93 Difference]: Finished difference Result 8809 states and 13181 transitions. [2024-11-28 03:05:28,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-28 03:05:28,137 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 6 states have internal predecessors, (147), 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 147 [2024-11-28 03:05:28,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:28,149 INFO L225 Difference]: With dead ends: 8809 [2024-11-28 03:05:28,149 INFO L226 Difference]: Without dead ends: 5765 [2024-11-28 03:05:28,153 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2024-11-28 03:05:28,154 INFO L435 NwaCegarLoop]: 4692 mSDtfsCounter, 3932 mSDsluCounter, 18556 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3932 SdHoareTripleChecker+Valid, 23248 SdHoareTripleChecker+Invalid, 199 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:28,154 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3932 Valid, 23248 Invalid, 199 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-28 03:05:28,161 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5765 states. [2024-11-28 03:05:28,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5765 to 3301. [2024-11-28 03:05:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3301 states, 3300 states have (on average 1.4957575757575758) internal successors, (4936), 3300 states have internal predecessors, (4936), 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 03:05:28,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3301 states to 3301 states and 4936 transitions. [2024-11-28 03:05:28,230 INFO L78 Accepts]: Start accepts. Automaton has 3301 states and 4936 transitions. Word has length 147 [2024-11-28 03:05:28,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:28,231 INFO L471 AbstractCegarLoop]: Abstraction has 3301 states and 4936 transitions. [2024-11-28 03:05:28,231 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 24.5) internal successors, (147), 6 states have internal predecessors, (147), 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 03:05:28,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3301 states and 4936 transitions. [2024-11-28 03:05:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2024-11-28 03:05:28,233 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:28,233 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, 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, 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 03:05:28,234 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-28 03:05:28,234 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:28,234 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:28,234 INFO L85 PathProgramCache]: Analyzing trace with hash -168483380, now seen corresponding path program 1 times [2024-11-28 03:05:28,235 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-28 03:05:28,235 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547849033] [2024-11-28 03:05:28,235 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:28,235 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-28 03:05:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:05:28,318 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-28 03:05:28,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-28 03:05:28,491 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-28 03:05:28,491 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-28 03:05:28,492 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-28 03:05:28,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-28 03:05:28,497 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:28,632 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-28 03:05:28,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 03:05:28 BoogieIcfgContainer [2024-11-28 03:05:28,635 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-28 03:05:28,636 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-28 03:05:28,636 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-28 03:05:28,636 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-28 03:05:28,637 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:04" (3/4) ... [2024-11-28 03:05:28,639 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-28 03:05:28,640 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-28 03:05:28,641 INFO L158 Benchmark]: Toolchain (without parser) took 42378.38ms. Allocated memory was 142.6MB in the beginning and 2.6GB in the end (delta: 2.5GB). Free memory was 97.0MB in the beginning and 1.7GB in the end (delta: -1.6GB). Peak memory consumption was 867.7MB. Max. memory is 16.1GB. [2024-11-28 03:05:28,641 INFO L158 Benchmark]: CDTParser took 1.72ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-28 03:05:28,641 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1266.06ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 96.6MB in the beginning and 70.1MB in the end (delta: 26.5MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. [2024-11-28 03:05:28,642 INFO L158 Benchmark]: Boogie Procedure Inliner took 1224.36ms. Allocated memory was 151.0MB in the beginning and 427.8MB in the end (delta: 276.8MB). Free memory was 70.1MB in the beginning and 220.6MB in the end (delta: -150.5MB). Peak memory consumption was 184.3MB. Max. memory is 16.1GB. [2024-11-28 03:05:28,642 INFO L158 Benchmark]: Boogie Preprocessor took 1222.40ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 220.6MB in the beginning and 1.0GB in the end (delta: -801.2MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. [2024-11-28 03:05:28,642 INFO L158 Benchmark]: RCFGBuilder took 14337.82ms. Allocated memory was 1.3GB in the beginning and 2.6GB in the end (delta: 1.3GB). Free memory was 1.0GB in the beginning and 2.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. [2024-11-28 03:05:28,643 INFO L158 Benchmark]: TraceAbstraction took 24317.03ms. Allocated memory is still 2.6GB. Free memory was 2.1GB in the beginning and 1.7GB in the end (delta: 362.2MB). Peak memory consumption was 358.0MB. Max. memory is 16.1GB. [2024-11-28 03:05:28,643 INFO L158 Benchmark]: Witness Printer took 4.34ms. Allocated memory is still 2.6GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 198.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-28 03:05:28,645 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.72ms. Allocated memory is still 167.8MB. Free memory is still 104.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1266.06ms. Allocated memory was 142.6MB in the beginning and 151.0MB in the end (delta: 8.4MB). Free memory was 96.6MB in the beginning and 70.1MB in the end (delta: 26.5MB). Peak memory consumption was 109.1MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 1224.36ms. Allocated memory was 151.0MB in the beginning and 427.8MB in the end (delta: 276.8MB). Free memory was 70.1MB in the beginning and 220.6MB in the end (delta: -150.5MB). Peak memory consumption was 184.3MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1222.40ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 220.6MB in the beginning and 1.0GB in the end (delta: -801.2MB). Peak memory consumption was 84.1MB. Max. memory is 16.1GB. * RCFGBuilder took 14337.82ms. Allocated memory was 1.3GB in the beginning and 2.6GB in the end (delta: 1.3GB). Free memory was 1.0GB in the beginning and 2.1GB in the end (delta: -1.1GB). Peak memory consumption was 1.5GB. Max. memory is 16.1GB. * TraceAbstraction took 24317.03ms. Allocated memory is still 2.6GB. Free memory was 2.1GB in the beginning and 1.7GB in the end (delta: 362.2MB). Peak memory consumption was 358.0MB. Max. memory is 16.1GB. * Witness Printer took 4.34ms. Allocated memory is still 2.6GB. Free memory was 1.7GB in the beginning and 1.7GB in the end (delta: 198.8kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - 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 bitwiseAnd at line 300, overapproximation of bitwiseAnd at line 268, overapproximation of bitwiseAnd at line 298. 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_2 mask_SORT_2 = (SORT_2)-1 >> (sizeof(SORT_2) * 8 - 8); [L30] const SORT_2 msb_SORT_2 = (SORT_2)1 << (8 - 1); [L32] const SORT_3 mask_SORT_3 = (SORT_3)-1 >> (sizeof(SORT_3) * 8 - 24); [L33] const SORT_3 msb_SORT_3 = (SORT_3)1 << (24 - 1); [L35] const SORT_4 mask_SORT_4 = (SORT_4)-1 >> (sizeof(SORT_4) * 8 - 32); [L36] const SORT_4 msb_SORT_4 = (SORT_4)1 << (32 - 1); [L38] const SORT_2 var_5 = 0; [L39] const SORT_1 var_30 = 0; [L40] const SORT_4 var_73 = 1; [L41] const SORT_4 var_74 = 0; [L42] const SORT_2 var_86 = 2; [L43] const SORT_2 var_88 = 1; [L44] const SORT_2 var_90 = 0; [L45] const SORT_2 var_138 = 255; [L46] const SORT_2 var_147 = 24; [L47] const SORT_2 var_156 = 14; [L48] const SORT_2 var_165 = 6; [L49] const SORT_3 var_400 = 0; [L50] const SORT_4 var_433 = 24; [L51] const SORT_4 var_465 = 14; [L52] const SORT_4 var_497 = 6; [L54] SORT_1 input_85; [L55] SORT_1 input_87; [L56] SORT_1 input_89; [L57] SORT_1 input_91; [L58] SORT_1 input_97; [L59] SORT_1 input_100; [L60] SORT_1 input_101; [L61] SORT_1 input_102; [L62] SORT_1 input_103; [L63] SORT_1 input_109; [L64] SORT_1 input_112; [L65] SORT_1 input_113; [L66] SORT_1 input_114; [L67] SORT_1 input_115; [L68] SORT_1 input_121; [L69] SORT_1 input_124; [L70] SORT_1 input_125; [L71] SORT_1 input_126; [L72] SORT_1 input_127; [L73] SORT_1 input_133; [L74] SORT_1 input_136; [L75] SORT_1 input_137; [L76] SORT_1 input_145; [L77] SORT_1 input_146; [L78] SORT_1 input_154; [L79] SORT_1 input_155; [L80] SORT_1 input_163; [L81] SORT_1 input_164; [L82] SORT_1 input_179; [L83] SORT_1 input_181; [L84] SORT_1 input_200; [L85] SORT_1 input_202; [L86] SORT_1 input_221; [L87] SORT_1 input_223; [L88] SORT_1 input_242; [L89] SORT_1 input_244; [L90] SORT_1 input_256; [L91] SORT_1 input_273; [L92] SORT_1 input_290; [L93] SORT_1 input_307; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L95] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L96] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L96] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L97] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L97] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L98] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L99] SORT_2 state_14 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L100] SORT_2 state_16 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L101] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L102] SORT_2 state_20 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L103] SORT_2 state_22 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L104] SORT_2 state_24 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L105] SORT_2 state_26 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L106] SORT_2 state_28 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L107] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L108] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L108] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L109] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L109] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L110] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L110] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L111] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L111] SORT_1 state_39 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L112] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L112] SORT_1 state_41 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L113] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L113] SORT_1 state_43 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L114] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L114] SORT_1 state_45 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L115] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L115] SORT_1 state_47 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L116] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L116] SORT_1 state_49 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L117] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L117] SORT_1 state_51 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L118] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L118] SORT_1 state_53 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L119] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L119] SORT_1 state_55 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L120] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L120] SORT_1 state_57 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L121] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L121] SORT_1 state_59 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L122] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L122] SORT_1 state_61 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L123] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L123] SORT_1 state_63 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L124] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L124] SORT_1 state_65 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L125] SORT_1 state_67 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L126] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L126] SORT_1 state_69 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L127] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_138=255, var_147=24, var_156=14, var_165=6, var_30=0, var_400=0, var_433=24, var_465=14, var_497=6, var_5=0, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L127] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L129] SORT_2 init_7_arg_1 = var_5; [L130] state_6 = init_7_arg_1 [L131] SORT_2 init_9_arg_1 = var_5; [L132] state_8 = init_9_arg_1 [L133] SORT_2 init_11_arg_1 = var_5; [L134] state_10 = init_11_arg_1 [L135] SORT_2 init_13_arg_1 = var_5; [L136] state_12 = init_13_arg_1 [L137] SORT_2 init_15_arg_1 = var_5; [L138] state_14 = init_15_arg_1 [L139] SORT_2 init_17_arg_1 = var_5; [L140] state_16 = init_17_arg_1 [L141] SORT_2 init_19_arg_1 = var_5; [L142] state_18 = init_19_arg_1 [L143] SORT_2 init_21_arg_1 = var_5; [L144] state_20 = init_21_arg_1 [L145] SORT_2 init_23_arg_1 = var_5; [L146] state_22 = init_23_arg_1 [L147] SORT_2 init_25_arg_1 = var_5; [L148] state_24 = init_25_arg_1 [L149] SORT_2 init_27_arg_1 = var_5; [L150] state_26 = init_27_arg_1 [L151] SORT_2 init_29_arg_1 = var_5; [L152] state_28 = init_29_arg_1 [L153] SORT_1 init_32_arg_1 = var_30; [L154] state_31 = init_32_arg_1 [L155] SORT_1 init_34_arg_1 = var_30; [L156] state_33 = init_34_arg_1 [L157] SORT_1 init_36_arg_1 = var_30; [L158] state_35 = init_36_arg_1 [L159] SORT_1 init_38_arg_1 = var_30; [L160] state_37 = init_38_arg_1 [L161] SORT_1 init_40_arg_1 = var_30; [L162] state_39 = init_40_arg_1 [L163] SORT_1 init_42_arg_1 = var_30; [L164] state_41 = init_42_arg_1 [L165] SORT_1 init_44_arg_1 = var_30; [L166] state_43 = init_44_arg_1 [L167] SORT_1 init_46_arg_1 = var_30; [L168] state_45 = init_46_arg_1 [L169] SORT_1 init_48_arg_1 = var_30; [L170] state_47 = init_48_arg_1 [L171] SORT_1 init_50_arg_1 = var_30; [L172] state_49 = init_50_arg_1 [L173] SORT_1 init_52_arg_1 = var_30; [L174] state_51 = init_52_arg_1 [L175] SORT_1 init_54_arg_1 = var_30; [L176] state_53 = init_54_arg_1 [L177] SORT_1 init_56_arg_1 = var_30; [L178] state_55 = init_56_arg_1 [L179] SORT_1 init_58_arg_1 = var_30; [L180] state_57 = init_58_arg_1 [L181] SORT_1 init_60_arg_1 = var_30; [L182] state_59 = init_60_arg_1 [L183] SORT_1 init_62_arg_1 = var_30; [L184] state_61 = init_62_arg_1 [L185] SORT_1 init_64_arg_1 = var_30; [L186] state_63 = init_64_arg_1 [L187] SORT_1 init_66_arg_1 = var_30; [L188] state_65 = init_66_arg_1 [L189] SORT_1 init_68_arg_1 = var_30; [L190] state_67 = init_68_arg_1 [L191] SORT_1 init_70_arg_1 = var_30; [L192] state_69 = init_70_arg_1 [L193] SORT_1 init_72_arg_1 = var_30; [L194] state_71 = init_72_arg_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L197] input_85 = __VERIFIER_nondet_uchar() [L198] EXPR input_85 & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L198] input_85 = input_85 & mask_SORT_1 [L199] input_87 = __VERIFIER_nondet_uchar() [L200] EXPR input_87 & mask_SORT_1 VAL [input_85=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L200] input_87 = input_87 & mask_SORT_1 [L201] input_89 = __VERIFIER_nondet_uchar() [L202] EXPR input_89 & mask_SORT_1 VAL [input_85=0, input_87=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L202] input_89 = input_89 & mask_SORT_1 [L203] input_91 = __VERIFIER_nondet_uchar() [L204] EXPR input_91 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L204] input_91 = input_91 & mask_SORT_1 [L205] input_97 = __VERIFIER_nondet_uchar() [L206] EXPR input_97 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, input_91=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L206] input_97 = input_97 & mask_SORT_1 [L207] input_100 = __VERIFIER_nondet_uchar() [L208] EXPR input_100 & mask_SORT_1 VAL [input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L208] input_100 = input_100 & mask_SORT_1 [L209] input_101 = __VERIFIER_nondet_uchar() [L210] EXPR input_101 & mask_SORT_1 VAL [input_100=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L210] input_101 = input_101 & mask_SORT_1 [L211] input_102 = __VERIFIER_nondet_uchar() [L212] EXPR input_102 & mask_SORT_1 VAL [input_100=0, input_101=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L212] input_102 = input_102 & mask_SORT_1 [L213] input_103 = __VERIFIER_nondet_uchar() [L214] EXPR input_103 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L214] input_103 = input_103 & mask_SORT_1 [L215] input_109 = __VERIFIER_nondet_uchar() [L216] EXPR input_109 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L216] input_109 = input_109 & mask_SORT_1 [L217] input_112 = __VERIFIER_nondet_uchar() [L218] EXPR input_112 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L218] input_112 = input_112 & mask_SORT_1 [L219] input_113 = __VERIFIER_nondet_uchar() [L220] EXPR input_113 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L220] input_113 = input_113 & mask_SORT_1 [L221] input_114 = __VERIFIER_nondet_uchar() [L222] EXPR input_114 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L222] input_114 = input_114 & mask_SORT_1 [L223] input_115 = __VERIFIER_nondet_uchar() [L224] EXPR input_115 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L224] input_115 = input_115 & mask_SORT_1 [L225] input_121 = __VERIFIER_nondet_uchar() [L226] EXPR input_121 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L226] input_121 = input_121 & mask_SORT_1 [L227] input_124 = __VERIFIER_nondet_uchar() [L228] EXPR input_124 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L228] input_124 = input_124 & mask_SORT_1 [L229] input_125 = __VERIFIER_nondet_uchar() [L230] EXPR input_125 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L230] input_125 = input_125 & mask_SORT_1 [L231] input_126 = __VERIFIER_nondet_uchar() [L232] EXPR input_126 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L232] input_126 = input_126 & mask_SORT_1 [L233] input_127 = __VERIFIER_nondet_uchar() [L234] EXPR input_127 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L234] input_127 = input_127 & mask_SORT_1 [L235] input_133 = __VERIFIER_nondet_uchar() [L236] EXPR input_133 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L236] input_133 = input_133 & mask_SORT_1 [L237] input_136 = __VERIFIER_nondet_uchar() [L238] EXPR input_136 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L238] input_136 = input_136 & mask_SORT_1 [L239] input_137 = __VERIFIER_nondet_uchar() [L240] EXPR input_137 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L240] input_137 = input_137 & mask_SORT_1 [L241] input_145 = __VERIFIER_nondet_uchar() [L242] EXPR input_145 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L242] input_145 = input_145 & mask_SORT_1 [L243] input_146 = __VERIFIER_nondet_uchar() [L244] EXPR input_146 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L244] input_146 = input_146 & mask_SORT_1 [L245] input_154 = __VERIFIER_nondet_uchar() [L246] EXPR input_154 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L246] input_154 = input_154 & mask_SORT_1 [L247] input_155 = __VERIFIER_nondet_uchar() [L248] EXPR input_155 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L248] input_155 = input_155 & mask_SORT_1 [L249] input_163 = __VERIFIER_nondet_uchar() [L250] EXPR input_163 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L250] input_163 = input_163 & mask_SORT_1 [L251] input_164 = __VERIFIER_nondet_uchar() [L252] EXPR input_164 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L252] input_164 = input_164 & mask_SORT_1 [L253] input_179 = __VERIFIER_nondet_uchar() [L254] input_181 = __VERIFIER_nondet_uchar() [L255] input_200 = __VERIFIER_nondet_uchar() [L256] input_202 = __VERIFIER_nondet_uchar() [L257] input_221 = __VERIFIER_nondet_uchar() [L258] input_223 = __VERIFIER_nondet_uchar() [L259] input_242 = __VERIFIER_nondet_uchar() [L260] input_244 = __VERIFIER_nondet_uchar() [L261] input_256 = __VERIFIER_nondet_uchar() [L262] input_273 = __VERIFIER_nondet_uchar() [L263] input_290 = __VERIFIER_nondet_uchar() [L264] input_307 = __VERIFIER_nondet_uchar() [L267] SORT_1 var_75_arg_0 = ~state_33; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_75_arg_0=-1, var_86=2, var_88=1, var_90=0] [L268] EXPR var_75_arg_0 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L268] var_75_arg_0 = var_75_arg_0 & mask_SORT_1 [L269] SORT_4 var_75_arg_1 = var_73; [L270] SORT_4 var_75_arg_2 = var_74; [L271] SORT_4 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L272] SORT_1 var_76_arg_0 = state_39; [L273] SORT_4 var_76_arg_1 = var_73; [L274] SORT_4 var_76_arg_2 = var_74; [L275] SORT_4 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L276] SORT_4 var_77_arg_0 = var_75; [L277] SORT_4 var_77_arg_1 = var_76; [L278] SORT_4 var_77 = var_77_arg_0 + var_77_arg_1; [L279] SORT_1 var_78_arg_0 = state_45; [L280] SORT_4 var_78_arg_1 = var_73; [L281] SORT_4 var_78_arg_2 = var_74; [L282] SORT_4 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L283] SORT_4 var_79_arg_0 = var_77; [L284] SORT_4 var_79_arg_1 = var_78; [L285] SORT_4 var_79 = var_79_arg_0 + var_79_arg_1; [L286] SORT_1 var_80_arg_0 = state_51; [L287] SORT_4 var_80_arg_1 = var_73; [L288] SORT_4 var_80_arg_2 = var_74; [L289] SORT_4 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L290] SORT_4 var_81_arg_0 = var_79; [L291] SORT_4 var_81_arg_1 = var_80; [L292] SORT_4 var_81 = var_81_arg_0 + var_81_arg_1; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_81=0, var_86=2, var_88=1, var_90=0] [L293] EXPR var_81 & mask_SORT_4 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L293] var_81 = var_81 & mask_SORT_4 [L294] SORT_4 var_82_arg_0 = var_81; [L295] SORT_4 var_82_arg_1 = var_73; [L296] SORT_1 var_82 = var_82_arg_0 <= var_82_arg_1; [L297] SORT_1 var_83_arg_0 = ~state_71; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_82=1, var_83_arg_0=-1, var_86=2, var_88=1, var_90=0] [L298] EXPR var_83_arg_0 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_82=1, var_86=2, var_88=1, var_90=0] [L298] var_83_arg_0 = var_83_arg_0 & mask_SORT_1 [L299] SORT_1 var_83_arg_1 = ~var_82; VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_83_arg_0=1, var_83_arg_1=-2, var_86=2, var_88=1, var_90=0] [L300] EXPR var_83_arg_1 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_83_arg_0=1, var_86=2, var_88=1, var_90=0] [L300] var_83_arg_1 = var_83_arg_1 & mask_SORT_1 [L301] EXPR var_83_arg_0 & var_83_arg_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L301] SORT_1 var_83 = var_83_arg_0 & var_83_arg_1; [L302] EXPR var_83 & mask_SORT_1 VAL [input_100=0, input_101=0, input_102=0, input_103=0, input_109=0, input_112=0, input_113=0, input_114=0, input_115=0, input_121=0, input_124=0, input_125=0, input_126=0, input_127=0, input_133=0, input_136=0, input_137=0, input_145=0, input_146=0, input_154=0, input_155=0, input_163=0, input_164=0, input_85=0, input_87=0, input_89=0, input_91=0, input_97=0, mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, state_10=0, state_12=0, state_14=0, state_16=0, state_18=0, state_20=0, state_22=0, state_24=0, state_26=0, state_28=0, state_31=0, state_33=0, state_35=0, state_37=0, state_39=0, state_41=0, state_43=0, state_45=0, state_47=0, state_49=0, state_51=0, state_53=0, state_55=0, state_57=0, state_59=0, state_61=0, state_63=0, state_65=0, state_67=0, state_69=0, state_6=0, state_71=0, state_8=0, var_138=255, var_147=24, var_156=14, var_165=6, var_400=0, var_433=24, var_465=14, var_497=6, var_73=1, var_74=0, var_86=2, var_88=1, var_90=0] [L302] var_83 = var_83 & mask_SORT_1 [L303] SORT_1 bad_84_arg_0 = var_83; [L304] CALL __VERIFIER_assert(!(bad_84_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 3158 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 24.1s, OverallIterations: 9, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.1s, AutomataDifference: 15.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 17003 SdHoareTripleChecker+Valid, 13.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17003 mSDsluCounter, 125280 SdHoareTripleChecker+Invalid, 11.3s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 91329 mSDsCounter, 5 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 15988 IncrementalHoareTripleChecker+Invalid, 15993 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 5 mSolverCounterUnsat, 33951 mSDtfsCounter, 15988 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 50 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3301occurred in iteration=7, InterpolantAutomatonStates: 37, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 8 MinimizatonAttempts, 7784 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 6.3s InterpolantComputationTime, 1294 NumberOfCodeBlocks, 1294 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1139 ConstructedInterpolants, 0 QuantifiedInterpolants, 5740 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 8 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 03:05:28,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, 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_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/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_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/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_bb465572-2640-48d6-accd-4c4f587e43bf/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 e3e79e7da330266ce56daf5234acad11488eb453b66f5074926d34ef16c39523 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-d790fec [2024-11-28 03:05:31,418 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-28 03:05:31,523 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-28 03:05:31,530 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-28 03:05:31,530 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-28 03:05:31,574 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-28 03:05:31,574 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-28 03:05:31,574 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-28 03:05:31,575 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-28 03:05:31,575 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-28 03:05:31,575 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-28 03:05:31,575 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-28 03:05:31,576 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-28 03:05:31,577 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-28 03:05:31,577 INFO L153 SettingsManager]: * Use SBE=true [2024-11-28 03:05:31,578 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-28 03:05:31,578 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-28 03:05:31,578 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-28 03:05:31,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-28 03:05:31,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-28 03:05:31,579 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-28 03:05:31,579 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-28 03:05:31,579 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-28 03:05:31,580 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-28 03:05:31,580 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-28 03:05:31,580 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-28 03:05:31,580 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-28 03:05:31,580 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-28 03:05:31,580 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:05:31,580 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:05:31,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:05:31,581 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:05:31,581 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-28 03:05:31,581 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-28 03:05:31,581 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-28 03:05:31,581 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-28 03:05:31,582 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:05:31,582 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-28 03:05:31,582 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-28 03:05:31,582 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-28 03:05:31,582 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-28 03:05:31,583 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-28 03:05:31,583 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-28 03:05:31,583 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-28 03:05:31,583 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-28 03:05:31,583 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-28 03:05:31,583 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-28 03:05:31,584 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_bb465572-2640-48d6-accd-4c4f587e43bf/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 -> e3e79e7da330266ce56daf5234acad11488eb453b66f5074926d34ef16c39523 [2024-11-28 03:05:31,977 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-28 03:05:31,987 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-28 03:05:31,990 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-28 03:05:31,993 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-28 03:05:31,994 INFO L274 PluginConnector]: CDTParser initialized [2024-11-28 03:05:31,996 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c [2024-11-28 03:05:35,075 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/data/d742b84f4/c0e9a29ba83f4377b8f6f5bb6882ea90/FLAG8b8e7e2f2 [2024-11-28 03:05:35,560 INFO L384 CDTParser]: Found 1 translation units. [2024-11-28 03:05:35,561 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c [2024-11-28 03:05:35,599 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/data/d742b84f4/c0e9a29ba83f4377b8f6f5bb6882ea90/FLAG8b8e7e2f2 [2024-11-28 03:05:35,624 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/data/d742b84f4/c0e9a29ba83f4377b8f6f5bb6882ea90 [2024-11-28 03:05:35,628 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-28 03:05:35,631 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-28 03:05:35,632 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-28 03:05:35,633 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-28 03:05:35,639 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-28 03:05:35,640 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:35" (1/1) ... [2024-11-28 03:05:35,643 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3897fc2c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:35, skipping insertion in model container [2024-11-28 03:05:35,643 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 03:05:35" (1/1) ... [2024-11-28 03:05:35,751 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-28 03:05:36,015 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_bb465572-2640-48d6-accd-4c4f587e43bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c[1171,1184] [2024-11-28 03:05:36,547 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:05:36,566 INFO L200 MainTranslator]: Completed pre-run [2024-11-28 03:05:36,575 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_bb465572-2640-48d6-accd-4c4f587e43bf/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.lann.6.prop1-func-interl.c[1171,1184] [2024-11-28 03:05:36,833 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-28 03:05:36,850 INFO L204 MainTranslator]: Completed translation [2024-11-28 03:05:36,851 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36 WrapperNode [2024-11-28 03:05:36,852 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-28 03:05:36,853 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-28 03:05:36,853 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-28 03:05:36,854 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-28 03:05:36,864 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:36,914 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,057 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2438 [2024-11-28 03:05:37,058 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-28 03:05:37,059 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-28 03:05:37,059 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-28 03:05:37,059 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-28 03:05:37,068 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,068 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,082 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,123 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 03:05:37,123 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,124 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,205 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,213 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,227 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,240 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,254 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,284 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-28 03:05:37,288 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-28 03:05:37,288 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-28 03:05:37,289 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-28 03:05:37,294 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (1/1) ... [2024-11-28 03:05:37,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-28 03:05:37,361 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:37,376 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-28 03:05:37,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-28 03:05:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-28 03:05:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-28 03:05:37,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-28 03:05:37,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-28 03:05:37,896 INFO L234 CfgBuilder]: Building ICFG [2024-11-28 03:05:37,898 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-28 03:05:41,269 INFO L? ?]: Removed 117 outVars from TransFormulas that were not future-live. [2024-11-28 03:05:41,269 INFO L283 CfgBuilder]: Performing block encoding [2024-11-28 03:05:41,278 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-28 03:05:41,278 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-28 03:05:41,278 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:41 BoogieIcfgContainer [2024-11-28 03:05:41,279 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-28 03:05:41,281 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-28 03:05:41,281 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-28 03:05:41,287 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-28 03:05:41,287 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 03:05:35" (1/3) ... [2024-11-28 03:05:41,288 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be6cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:41, skipping insertion in model container [2024-11-28 03:05:41,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 03:05:36" (2/3) ... [2024-11-28 03:05:41,289 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3be6cab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 03:05:41, skipping insertion in model container [2024-11-28 03:05:41,289 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 03:05:41" (3/3) ... [2024-11-28 03:05:41,291 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.lann.6.prop1-func-interl.c [2024-11-28 03:05:41,309 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-28 03:05:41,311 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.lann.6.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-28 03:05:41,370 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-28 03:05:41,387 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;@678d3f99, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-28 03:05:41,387 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-28 03:05:41,392 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 03:05:41,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-28 03:05:41,398 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:41,398 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-28 03:05:41,399 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:41,405 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:41,406 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-28 03:05:41,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:05:41,422 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1605405216] [2024-11-28 03:05:41,422 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:41,423 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:41,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:41,427 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:05:41,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-28 03:05:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:42,094 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 42 conjuncts are in the unsatisfiable core [2024-11-28 03:05:42,115 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-28 03:05:42,676 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 03:05:42,678 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-28 03:05:42,679 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-28 03:05:42,679 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1605405216] [2024-11-28 03:05:42,680 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1605405216] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-28 03:05:42,680 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-28 03:05:42,684 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-28 03:05:42,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806345598] [2024-11-28 03:05:42,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-28 03:05:42,690 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-28 03:05:42,691 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-28 03:05:42,716 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-28 03:05:42,717 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-28 03:05:42,719 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 03:05:43,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-28 03:05:43,030 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-28 03:05:43,031 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-28 03:05:43,033 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 03:05:43,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-28 03:05:43,041 INFO L225 Difference]: With dead ends: 18 [2024-11-28 03:05:43,041 INFO L226 Difference]: Without dead ends: 10 [2024-11-28 03:05:43,044 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-28 03:05:43,047 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, 0.3s IncrementalHoareTripleChecker+Time [2024-11-28 03:05:43,049 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-28 03:05:43,064 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-28 03:05:43,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-28 03:05:43,077 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 03:05:43,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-28 03:05:43,084 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-28 03:05:43,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-28 03:05:43,085 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-28 03:05:43,085 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 03:05:43,085 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-28 03:05:43,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-28 03:05:43,086 INFO L210 NwaCegarLoop]: Found error trace [2024-11-28 03:05:43,086 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-28 03:05:43,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-28 03:05:43,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:43,287 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-28 03:05:43,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-28 03:05:43,287 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-28 03:05:43,289 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-28 03:05:43,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1204116888] [2024-11-28 03:05:43,290 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-28 03:05:43,290 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-28 03:05:43,290 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 [2024-11-28 03:05:43,293 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-28 03:05:43,294 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_bb465572-2640-48d6-accd-4c4f587e43bf/bin/uautomizer-verify-aQ6SnzHsRB/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-28 03:05:44,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-28 03:05:44,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 261 conjuncts, 54 conjuncts are in the unsatisfiable core [2024-11-28 03:05:44,253 INFO L279 TraceCheckSpWp]: Computing forward predicates...