./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6497de01 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:03:50,127 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:03:50,189 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Default.epf [2024-11-24 02:03:50,194 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:03:50,194 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:03:50,220 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:03:50,220 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:03:50,221 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:03:50,221 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:03:50,221 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:03:50,221 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:03:50,221 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:03:50,221 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:03:50,222 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:03:50,222 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:03:50,222 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:03:50,222 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:03:50,222 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-24 02:03:50,222 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:03:50,222 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:03:50,222 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:03:50,223 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:03:50,223 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:03:50,223 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:03:50,223 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:03:50,223 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:03:50,223 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:03:50,223 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:03:50,223 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:03:50,223 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:03:50,224 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:03:50,224 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:03:50,224 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:03:50,224 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:03:50,224 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:03:50,224 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:03:50,224 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:03:50,224 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:03:50,225 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:03:50,225 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-24 02:03:50,225 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-24 02:03:50,225 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:03:50,225 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:03:50,225 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:03:50,225 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:03:50,225 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_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 [2024-11-24 02:03:50,494 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:03:50,510 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:03:50,513 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:03:50,514 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:03:50,514 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:03:50,515 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2024-11-24 02:03:53,508 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/data/6a7e8cf86/f5205099bc0747b5bf8b9bd8aa4faa92/FLAG4a9e91e27 [2024-11-24 02:03:53,940 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:03:53,941 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2024-11-24 02:03:53,961 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/data/6a7e8cf86/f5205099bc0747b5bf8b9bd8aa4faa92/FLAG4a9e91e27 [2024-11-24 02:03:53,983 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/data/6a7e8cf86/f5205099bc0747b5bf8b9bd8aa4faa92 [2024-11-24 02:03:53,986 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:03:53,988 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:03:53,990 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:03:53,990 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:03:53,995 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:03:53,996 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:03:53" (1/1) ... [2024-11-24 02:03:53,997 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@96c36ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:53, skipping insertion in model container [2024-11-24 02:03:53,997 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:03:53" (1/1) ... [2024-11-24 02:03:54,078 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:03:54,321 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_e4379023-84da-43ca-bc83-fa89a00fa3e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2024-11-24 02:03:54,873 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:03:54,884 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:03:54,895 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_e4379023-84da-43ca-bc83-fa89a00fa3e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2024-11-24 02:03:55,226 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:03:55,243 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:03:55,244 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55 WrapperNode [2024-11-24 02:03:55,245 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:03:55,246 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:03:55,246 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:03:55,247 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:03:55,260 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:55,340 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:56,207 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 7297 [2024-11-24 02:03:56,208 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:03:56,209 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:03:56,210 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:03:56,210 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:03:56,219 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:56,219 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:56,424 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:56,589 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]. [2024-11-24 02:03:56,589 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:56,590 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:56,933 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:56,957 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:57,016 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:57,090 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:57,146 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:57,272 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:03:57,274 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:03:57,274 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:03:57,275 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:03:57,276 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (1/1) ... [2024-11-24 02:03:57,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:03:57,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:03:57,314 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:03:57,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:03:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:03:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-24 02:03:57,348 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:03:57,349 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:03:57,884 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:03:57,886 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:04:08,371 INFO L? ?]: Removed 4120 outVars from TransFormulas that were not future-live. [2024-11-24 02:04:08,371 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:04:08,446 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:04:08,450 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 02:04:08,450 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:08 BoogieIcfgContainer [2024-11-24 02:04:08,451 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:04:08,453 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:04:08,453 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:04:08,463 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:04:08,464 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:03:53" (1/3) ... [2024-11-24 02:04:08,464 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4acd624d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:04:08, skipping insertion in model container [2024-11-24 02:04:08,465 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:03:55" (2/3) ... [2024-11-24 02:04:08,466 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4acd624d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:04:08, skipping insertion in model container [2024-11-24 02:04:08,466 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:08" (3/3) ... [2024-11-24 02:04:08,468 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c [2024-11-24 02:04:08,487 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:04:08,490 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c that has 1 procedures, 2558 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 02:04:08,629 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:04:08,645 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;@276e5658, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:04:08,646 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 02:04:08,661 INFO L276 IsEmpty]: Start isEmpty. Operand has 2558 states, 2556 states have (on average 1.5019561815336464) internal successors, (3839), 2557 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:08,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2024-11-24 02:04:08,678 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:08,678 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] [2024-11-24 02:04:08,679 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:08,683 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:08,684 INFO L85 PathProgramCache]: Analyzing trace with hash -547418764, now seen corresponding path program 1 times [2024-11-24 02:04:08,691 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:08,692 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2003638901] [2024-11-24 02:04:08,692 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:08,693 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:09,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:10,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:10,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:10,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2003638901] [2024-11-24 02:04:10,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2003638901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:10,054 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:10,055 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:04:10,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1718432010] [2024-11-24 02:04:10,058 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:10,062 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:04:10,062 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:10,086 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:04:10,087 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:04:10,095 INFO L87 Difference]: Start difference. First operand has 2558 states, 2556 states have (on average 1.5019561815336464) internal successors, (3839), 2557 states have internal predecessors, (3839), 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 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:10,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:10,404 INFO L93 Difference]: Finished difference Result 4981 states and 7479 transitions. [2024-11-24 02:04:10,406 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:04:10,407 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 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 131 [2024-11-24 02:04:10,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:10,430 INFO L225 Difference]: With dead ends: 4981 [2024-11-24 02:04:10,430 INFO L226 Difference]: Without dead ends: 2557 [2024-11-24 02:04:10,438 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 [2024-11-24 02:04:10,441 INFO L435 NwaCegarLoop]: 3833 mSDtfsCounter, 0 mSDsluCounter, 7660 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11493 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:10,442 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11493 Invalid, 11 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [0 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:04:10,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2557 states. [2024-11-24 02:04:10,573 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2557 to 2557. [2024-11-24 02:04:10,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2557 states, 2556 states have (on average 1.5011737089201878) internal successors, (3837), 2556 states have internal predecessors, (3837), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:10,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2557 states and 3837 transitions. [2024-11-24 02:04:10,597 INFO L78 Accepts]: Start accepts. Automaton has 2557 states and 3837 transitions. Word has length 131 [2024-11-24 02:04:10,598 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:10,598 INFO L471 AbstractCegarLoop]: Abstraction has 2557 states and 3837 transitions. [2024-11-24 02:04:10,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 32.75) internal successors, (131), 4 states have internal predecessors, (131), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:10,600 INFO L276 IsEmpty]: Start isEmpty. Operand 2557 states and 3837 transitions. [2024-11-24 02:04:10,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-24 02:04:10,607 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:10,607 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] [2024-11-24 02:04:10,608 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-24 02:04:10,608 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:10,610 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:10,610 INFO L85 PathProgramCache]: Analyzing trace with hash 211583472, now seen corresponding path program 1 times [2024-11-24 02:04:10,610 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:10,610 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039127296] [2024-11-24 02:04:10,611 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:10,611 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:11,164 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:11,164 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:11,164 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039127296] [2024-11-24 02:04:11,164 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039127296] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:11,164 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:11,164 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:04:11,164 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596770745] [2024-11-24 02:04:11,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:11,167 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:04:11,167 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:11,168 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:04:11,168 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:04:11,168 INFO L87 Difference]: Start difference. First operand 2557 states and 3837 transitions. Second operand has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:11,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:11,299 INFO L93 Difference]: Finished difference Result 4982 states and 7477 transitions. [2024-11-24 02:04:11,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:04:11,300 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 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 132 [2024-11-24 02:04:11,302 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:11,313 INFO L225 Difference]: With dead ends: 4982 [2024-11-24 02:04:11,313 INFO L226 Difference]: Without dead ends: 2559 [2024-11-24 02:04:11,318 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 [2024-11-24 02:04:11,319 INFO L435 NwaCegarLoop]: 3833 mSDtfsCounter, 0 mSDsluCounter, 7656 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11489 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 [2024-11-24 02:04:11,319 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11489 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:04:11,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2559 states. [2024-11-24 02:04:11,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2559 to 2559. [2024-11-24 02:04:11,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2559 states, 2558 states have (on average 1.5007818608287724) internal successors, (3839), 2558 states have internal predecessors, (3839), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:11,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2559 states to 2559 states and 3839 transitions. [2024-11-24 02:04:11,405 INFO L78 Accepts]: Start accepts. Automaton has 2559 states and 3839 transitions. Word has length 132 [2024-11-24 02:04:11,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:11,407 INFO L471 AbstractCegarLoop]: Abstraction has 2559 states and 3839 transitions. [2024-11-24 02:04:11,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.0) internal successors, (132), 4 states have internal predecessors, (132), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:11,408 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3839 transitions. [2024-11-24 02:04:11,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2024-11-24 02:04:11,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:11,411 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] [2024-11-24 02:04:11,411 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-24 02:04:11,411 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:11,412 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:11,412 INFO L85 PathProgramCache]: Analyzing trace with hash 1166155213, now seen corresponding path program 1 times [2024-11-24 02:04:11,412 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:11,416 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885686661] [2024-11-24 02:04:11,416 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:11,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:11,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:11,845 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:11,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:11,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885686661] [2024-11-24 02:04:11,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1885686661] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:11,847 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:11,847 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:04:11,847 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1984499320] [2024-11-24 02:04:11,847 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:11,848 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:04:11,848 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:11,849 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:04:11,849 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:04:11,849 INFO L87 Difference]: Start difference. First operand 2559 states and 3839 transitions. Second operand has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:11,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:11,972 INFO L93 Difference]: Finished difference Result 4986 states and 7481 transitions. [2024-11-24 02:04:11,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:04:11,973 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 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 133 [2024-11-24 02:04:11,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:11,984 INFO L225 Difference]: With dead ends: 4986 [2024-11-24 02:04:11,984 INFO L226 Difference]: Without dead ends: 2561 [2024-11-24 02:04:11,989 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 [2024-11-24 02:04:11,990 INFO L435 NwaCegarLoop]: 3833 mSDtfsCounter, 0 mSDsluCounter, 7650 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 11483 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 [2024-11-24 02:04:11,992 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 11483 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:04:11,997 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2561 states. [2024-11-24 02:04:12,040 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2561 to 2561. [2024-11-24 02:04:12,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2561 states, 2560 states have (on average 1.500390625) internal successors, (3841), 2560 states have internal predecessors, (3841), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:12,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2561 states to 2561 states and 3841 transitions. [2024-11-24 02:04:12,057 INFO L78 Accepts]: Start accepts. Automaton has 2561 states and 3841 transitions. Word has length 133 [2024-11-24 02:04:12,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:12,057 INFO L471 AbstractCegarLoop]: Abstraction has 2561 states and 3841 transitions. [2024-11-24 02:04:12,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.25) internal successors, (133), 4 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:12,058 INFO L276 IsEmpty]: Start isEmpty. Operand 2561 states and 3841 transitions. [2024-11-24 02:04:12,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2024-11-24 02:04:12,059 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:12,060 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] [2024-11-24 02:04:12,061 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-24 02:04:12,061 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:12,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:12,061 INFO L85 PathProgramCache]: Analyzing trace with hash -1595006441, now seen corresponding path program 1 times [2024-11-24 02:04:12,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:12,062 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1054584404] [2024-11-24 02:04:12,062 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:12,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:12,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:12,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:12,436 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1054584404] [2024-11-24 02:04:12,436 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1054584404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:12,436 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:12,436 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:04:12,436 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064462435] [2024-11-24 02:04:12,436 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:12,437 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:04:12,437 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:12,437 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:04:12,437 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:04:12,438 INFO L87 Difference]: Start difference. First operand 2561 states and 3841 transitions. Second operand has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:12,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:12,566 INFO L93 Difference]: Finished difference Result 4996 states and 7493 transitions. [2024-11-24 02:04:12,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:04:12,567 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 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 134 [2024-11-24 02:04:12,567 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:12,577 INFO L225 Difference]: With dead ends: 4996 [2024-11-24 02:04:12,577 INFO L226 Difference]: Without dead ends: 2569 [2024-11-24 02:04:12,580 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 [2024-11-24 02:04:12,584 INFO L435 NwaCegarLoop]: 3833 mSDtfsCounter, 3 mSDsluCounter, 7650 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 11483 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 [2024-11-24 02:04:12,585 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 11483 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-24 02:04:12,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2569 states. [2024-11-24 02:04:12,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2569 to 2565. [2024-11-24 02:04:12,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2565 states, 2564 states have (on average 1.500390015600624) internal successors, (3847), 2564 states have internal predecessors, (3847), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:12,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2565 states to 2565 states and 3847 transitions. [2024-11-24 02:04:12,666 INFO L78 Accepts]: Start accepts. Automaton has 2565 states and 3847 transitions. Word has length 134 [2024-11-24 02:04:12,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:12,667 INFO L471 AbstractCegarLoop]: Abstraction has 2565 states and 3847 transitions. [2024-11-24 02:04:12,667 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 33.5) internal successors, (134), 4 states have internal predecessors, (134), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:12,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2565 states and 3847 transitions. [2024-11-24 02:04:12,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2024-11-24 02:04:12,669 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:12,669 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] [2024-11-24 02:04:12,670 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-24 02:04:12,670 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:12,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:12,671 INFO L85 PathProgramCache]: Analyzing trace with hash -1086365402, now seen corresponding path program 1 times [2024-11-24 02:04:12,671 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:12,671 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619387792] [2024-11-24 02:04:12,671 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:12,671 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:13,367 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:13,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:13,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619387792] [2024-11-24 02:04:13,368 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1619387792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:13,368 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:13,368 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-24 02:04:13,368 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [462200440] [2024-11-24 02:04:13,369 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:13,370 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-24 02:04:13,370 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:13,370 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-24 02:04:13,371 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-24 02:04:13,371 INFO L87 Difference]: Start difference. First operand 2565 states and 3847 transitions. Second operand has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:17,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:17,620 INFO L93 Difference]: Finished difference Result 7411 states and 11117 transitions. [2024-11-24 02:04:17,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-24 02:04:17,621 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 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 135 [2024-11-24 02:04:17,621 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:17,655 INFO L225 Difference]: With dead ends: 7411 [2024-11-24 02:04:17,655 INFO L226 Difference]: Without dead ends: 4980 [2024-11-24 02:04:17,664 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 [2024-11-24 02:04:17,671 INFO L435 NwaCegarLoop]: 2909 mSDtfsCounter, 3695 mSDsluCounter, 8613 mSDsCounter, 0 mSdLazyCounter, 3619 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3695 SdHoareTripleChecker+Valid, 11522 SdHoareTripleChecker+Invalid, 3620 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3619 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.9s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:17,671 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3695 Valid, 11522 Invalid, 3620 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [1 Valid, 3619 Invalid, 0 Unknown, 0 Unchecked, 3.9s Time] [2024-11-24 02:04:17,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4980 states. [2024-11-24 02:04:17,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4980 to 2672. [2024-11-24 02:04:17,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2672 states, 2671 states have (on average 1.499812804193186) internal successors, (4006), 2671 states have internal predecessors, (4006), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:17,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2672 states and 4006 transitions. [2024-11-24 02:04:17,767 INFO L78 Accepts]: Start accepts. Automaton has 2672 states and 4006 transitions. Word has length 135 [2024-11-24 02:04:17,767 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:17,767 INFO L471 AbstractCegarLoop]: Abstraction has 2672 states and 4006 transitions. [2024-11-24 02:04:17,767 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 27.0) internal successors, (135), 5 states have internal predecessors, (135), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:17,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2672 states and 4006 transitions. [2024-11-24 02:04:17,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2024-11-24 02:04:17,769 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:17,769 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] [2024-11-24 02:04:17,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-24 02:04:17,769 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:17,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:17,770 INFO L85 PathProgramCache]: Analyzing trace with hash 916395898, now seen corresponding path program 1 times [2024-11-24 02:04:17,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:17,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [831712626] [2024-11-24 02:04:17,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:17,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:17,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:18,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:18,630 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-24 02:04:18,630 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [831712626] [2024-11-24 02:04:18,630 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [831712626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:18,630 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:18,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-11-24 02:04:18,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710339868] [2024-11-24 02:04:18,631 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:18,631 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-24 02:04:18,631 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-24 02:04:18,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-24 02:04:18,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-24 02:04:18,633 INFO L87 Difference]: Start difference. First operand 2672 states and 4006 transitions. Second operand has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:21,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:21,965 INFO L93 Difference]: Finished difference Result 5118 states and 7674 transitions. [2024-11-24 02:04:21,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-24 02:04:21,965 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 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 136 [2024-11-24 02:04:21,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:21,978 INFO L225 Difference]: With dead ends: 5118 [2024-11-24 02:04:21,978 INFO L226 Difference]: Without dead ends: 2687 [2024-11-24 02:04:21,981 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2024-11-24 02:04:21,983 INFO L435 NwaCegarLoop]: 2891 mSDtfsCounter, 3728 mSDsluCounter, 8659 mSDsCounter, 0 mSdLazyCounter, 3789 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3728 SdHoareTripleChecker+Valid, 11550 SdHoareTripleChecker+Invalid, 3790 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 3789 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:21,984 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3728 Valid, 11550 Invalid, 3790 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 3789 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2024-11-24 02:04:21,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2687 states. [2024-11-24 02:04:22,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2687 to 2685. [2024-11-24 02:04:22,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2685 states, 2684 states have (on average 1.4981371087928466) internal successors, (4021), 2684 states have internal predecessors, (4021), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:22,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2685 states and 4021 transitions. [2024-11-24 02:04:22,053 INFO L78 Accepts]: Start accepts. Automaton has 2685 states and 4021 transitions. Word has length 136 [2024-11-24 02:04:22,054 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:22,054 INFO L471 AbstractCegarLoop]: Abstraction has 2685 states and 4021 transitions. [2024-11-24 02:04:22,054 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 22.666666666666668) internal successors, (136), 6 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-24 02:04:22,054 INFO L276 IsEmpty]: Start isEmpty. Operand 2685 states and 4021 transitions. [2024-11-24 02:04:22,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2024-11-24 02:04:22,055 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:22,056 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] [2024-11-24 02:04:22,056 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-24 02:04:22,056 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:22,056 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:22,056 INFO L85 PathProgramCache]: Analyzing trace with hash -1337151129, now seen corresponding path program 1 times [2024-11-24 02:04:22,057 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-24 02:04:22,057 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464514410] [2024-11-24 02:04:22,057 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:22,057 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-24 02:04:22,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:04:22,159 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-24 02:04:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-24 02:04:22,344 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-24 02:04:22,345 INFO L340 BasicCegarLoop]: Counterexample is feasible [2024-11-24 02:04:22,345 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2024-11-24 02:04:22,347 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-24 02:04:22,350 INFO L422 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:22,470 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-24 02:04:22,473 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.11 02:04:22 BoogieIcfgContainer [2024-11-24 02:04:22,473 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-24 02:04:22,474 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-24 02:04:22,474 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-24 02:04:22,475 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-24 02:04:22,476 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:08" (3/4) ... [2024-11-24 02:04:22,478 INFO L149 WitnessPrinter]: No result that supports witness generation found [2024-11-24 02:04:22,479 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-24 02:04:22,480 INFO L158 Benchmark]: Toolchain (without parser) took 28492.00ms. Allocated memory was 142.6MB in the beginning and 2.8GB in the end (delta: 2.6GB). Free memory was 116.1MB in the beginning and 1.9GB in the end (delta: -1.8GB). Peak memory consumption was 853.0MB. Max. memory is 16.1GB. [2024-11-24 02:04:22,480 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-24 02:04:22,481 INFO L158 Benchmark]: CACSL2BoogieTranslator took 1255.02ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 66.7MB in the end (delta: 49.5MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. [2024-11-24 02:04:22,481 INFO L158 Benchmark]: Boogie Procedure Inliner took 962.62ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 66.7MB in the beginning and 262.9MB in the end (delta: -196.2MB). Peak memory consumption was 170.8MB. Max. memory is 16.1GB. [2024-11-24 02:04:22,482 INFO L158 Benchmark]: Boogie Preprocessor took 1063.17ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 262.9MB in the beginning and 1.1GB in the end (delta: -808.0MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. [2024-11-24 02:04:22,482 INFO L158 Benchmark]: RCFGBuilder took 11176.92ms. Allocated memory was 1.3GB in the beginning and 2.8GB in the end (delta: 1.5GB). Free memory was 1.1GB in the beginning and 2.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. [2024-11-24 02:04:22,482 INFO L158 Benchmark]: TraceAbstraction took 14020.69ms. Allocated memory is still 2.8GB. Free memory was 2.2GB in the beginning and 1.9GB in the end (delta: 314.4MB). Peak memory consumption was 314.4MB. Max. memory is 16.1GB. [2024-11-24 02:04:22,483 INFO L158 Benchmark]: Witness Printer took 5.61ms. Allocated memory is still 2.8GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 116.1kB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-24 02:04:22,485 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 142.6MB. Free memory is still 80.8MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 1255.02ms. Allocated memory is still 142.6MB. Free memory was 116.1MB in the beginning and 66.7MB in the end (delta: 49.5MB). Peak memory consumption was 77.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 962.62ms. Allocated memory was 142.6MB in the beginning and 427.8MB in the end (delta: 285.2MB). Free memory was 66.7MB in the beginning and 262.9MB in the end (delta: -196.2MB). Peak memory consumption was 170.8MB. Max. memory is 16.1GB. * Boogie Preprocessor took 1063.17ms. Allocated memory was 427.8MB in the beginning and 1.3GB in the end (delta: 855.6MB). Free memory was 262.9MB in the beginning and 1.1GB in the end (delta: -808.0MB). Peak memory consumption was 86.2MB. Max. memory is 16.1GB. * RCFGBuilder took 11176.92ms. Allocated memory was 1.3GB in the beginning and 2.8GB in the end (delta: 1.5GB). Free memory was 1.1GB in the beginning and 2.2GB in the end (delta: -1.2GB). Peak memory consumption was 1.0GB. Max. memory is 16.1GB. * TraceAbstraction took 14020.69ms. Allocated memory is still 2.8GB. Free memory was 2.2GB in the beginning and 1.9GB in the end (delta: 314.4MB). Peak memory consumption was 314.4MB. Max. memory is 16.1GB. * Witness Printer took 5.61ms. Allocated memory is still 2.8GB. Free memory was 1.9GB in the beginning and 1.9GB in the end (delta: 116.1kB). 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 301, overapproximation of bitwiseAnd at line 303. 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_20 = 0; [L40] const SORT_4 var_73 = 1; [L41] const SORT_4 var_74 = 0; [L42] const SORT_2 var_90 = 0; [L43] const SORT_2 var_92 = 6; [L44] const SORT_2 var_95 = 5; [L45] const SORT_2 var_98 = 4; [L46] const SORT_2 var_101 = 3; [L47] const SORT_2 var_104 = 2; [L48] const SORT_2 var_107 = 1; [L49] const SORT_2 var_121 = 255; [L50] const SORT_3 var_125 = 0; [L51] const SORT_4 var_129 = 255; [L53] SORT_1 input_89; [L54] SORT_1 input_91; [L55] SORT_1 input_93; [L56] SORT_1 input_94; [L57] SORT_1 input_96; [L58] SORT_1 input_97; [L59] SORT_1 input_99; [L60] SORT_1 input_100; [L61] SORT_1 input_102; [L62] SORT_1 input_103; [L63] SORT_1 input_105; [L64] SORT_1 input_106; [L65] SORT_1 input_122; [L66] SORT_1 input_123; [L67] SORT_1 input_124; [L68] SORT_1 input_141; [L69] SORT_1 input_142; [L70] SORT_1 input_157; [L71] SORT_1 input_158; [L72] SORT_1 input_173; [L73] SORT_1 input_174; [L74] SORT_1 input_189; [L75] SORT_1 input_190; [L76] SORT_1 input_205; [L77] SORT_1 input_206; [L78] SORT_1 input_223; [L79] SORT_1 input_231; [L80] SORT_1 input_239; [L81] SORT_1 input_247; [L82] SORT_1 input_255; [L83] SORT_1 input_263; [L84] SORT_1 input_271; [L85] SORT_1 input_279; [L86] SORT_1 input_287; [L87] SORT_1 input_295; [L88] SORT_1 input_303; [L89] SORT_1 input_311; [L91] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L91] SORT_2 state_6 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L92] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L92] SORT_2 state_8 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L93] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L93] SORT_2 state_10 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L94] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L94] SORT_2 state_12 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L95] EXPR __VERIFIER_nondet_uchar() & mask_SORT_2 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L95] SORT_2 state_14 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L96] SORT_2 state_16 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L97] SORT_2 state_18 = __VERIFIER_nondet_uchar() & mask_SORT_2; [L98] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L98] SORT_1 state_21 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L99] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L99] SORT_1 state_23 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L100] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L100] SORT_1 state_25 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L101] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L101] SORT_1 state_27 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L102] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L102] SORT_1 state_29 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L103] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L103] SORT_1 state_31 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L104] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L104] SORT_1 state_33 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L105] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L105] SORT_1 state_35 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L106] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L106] SORT_1 state_37 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L107] EXPR __VERIFIER_nondet_uchar() & mask_SORT_1 VAL [mask_SORT_1=1, mask_SORT_2=255, mask_SORT_4=-1, var_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L107] SORT_1 state_39 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L108] SORT_1 state_41 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L109] SORT_1 state_43 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L110] SORT_1 state_45 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L111] SORT_1 state_47 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L112] SORT_1 state_49 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L113] SORT_1 state_51 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L114] SORT_1 state_53 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L115] SORT_1 state_55 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L116] SORT_1 state_57 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L117] SORT_1 state_59 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L118] SORT_1 state_61 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L119] SORT_1 state_63 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L120] SORT_1 state_65 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L121] SORT_1 state_67 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L122] SORT_1 state_69 = __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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_20=0, var_5=0, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L123] SORT_1 state_71 = __VERIFIER_nondet_uchar() & mask_SORT_1; [L125] SORT_2 init_7_arg_1 = var_5; [L126] state_6 = init_7_arg_1 [L127] SORT_2 init_9_arg_1 = var_5; [L128] state_8 = init_9_arg_1 [L129] SORT_2 init_11_arg_1 = var_5; [L130] state_10 = init_11_arg_1 [L131] SORT_2 init_13_arg_1 = var_5; [L132] state_12 = init_13_arg_1 [L133] SORT_2 init_15_arg_1 = var_5; [L134] state_14 = init_15_arg_1 [L135] SORT_2 init_17_arg_1 = var_5; [L136] state_16 = init_17_arg_1 [L137] SORT_2 init_19_arg_1 = var_5; [L138] state_18 = init_19_arg_1 [L139] SORT_1 init_22_arg_1 = var_20; [L140] state_21 = init_22_arg_1 [L141] SORT_1 init_24_arg_1 = var_20; [L142] state_23 = init_24_arg_1 [L143] SORT_1 init_26_arg_1 = var_20; [L144] state_25 = init_26_arg_1 [L145] SORT_1 init_28_arg_1 = var_20; [L146] state_27 = init_28_arg_1 [L147] SORT_1 init_30_arg_1 = var_20; [L148] state_29 = init_30_arg_1 [L149] SORT_1 init_32_arg_1 = var_20; [L150] state_31 = init_32_arg_1 [L151] SORT_1 init_34_arg_1 = var_20; [L152] state_33 = init_34_arg_1 [L153] SORT_1 init_36_arg_1 = var_20; [L154] state_35 = init_36_arg_1 [L155] SORT_1 init_38_arg_1 = var_20; [L156] state_37 = init_38_arg_1 [L157] SORT_1 init_40_arg_1 = var_20; [L158] state_39 = init_40_arg_1 [L159] SORT_1 init_42_arg_1 = var_20; [L160] state_41 = init_42_arg_1 [L161] SORT_1 init_44_arg_1 = var_20; [L162] state_43 = init_44_arg_1 [L163] SORT_1 init_46_arg_1 = var_20; [L164] state_45 = init_46_arg_1 [L165] SORT_1 init_48_arg_1 = var_20; [L166] state_47 = init_48_arg_1 [L167] SORT_1 init_50_arg_1 = var_20; [L168] state_49 = init_50_arg_1 [L169] SORT_1 init_52_arg_1 = var_20; [L170] state_51 = init_52_arg_1 [L171] SORT_1 init_54_arg_1 = var_20; [L172] state_53 = init_54_arg_1 [L173] SORT_1 init_56_arg_1 = var_20; [L174] state_55 = init_56_arg_1 [L175] SORT_1 init_58_arg_1 = var_20; [L176] state_57 = init_58_arg_1 [L177] SORT_1 init_60_arg_1 = var_20; [L178] state_59 = init_60_arg_1 [L179] SORT_1 init_62_arg_1 = var_20; [L180] state_61 = init_62_arg_1 [L181] SORT_1 init_64_arg_1 = var_20; [L182] state_63 = init_64_arg_1 [L183] SORT_1 init_66_arg_1 = var_20; [L184] state_65 = init_66_arg_1 [L185] SORT_1 init_68_arg_1 = var_20; [L186] state_67 = init_68_arg_1 [L187] SORT_1 init_70_arg_1 = var_20; [L188] state_69 = init_70_arg_1 [L189] SORT_1 init_72_arg_1 = var_20; [L190] 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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L193] input_89 = __VERIFIER_nondet_uchar() [L194] EXPR input_89 & 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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L194] input_89 = input_89 & mask_SORT_1 [L195] input_91 = __VERIFIER_nondet_uchar() [L196] EXPR input_91 & mask_SORT_1 VAL [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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L196] input_91 = input_91 & mask_SORT_1 [L197] input_93 = __VERIFIER_nondet_uchar() [L198] EXPR input_93 & mask_SORT_1 VAL [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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L198] input_93 = input_93 & mask_SORT_1 [L199] input_94 = __VERIFIER_nondet_uchar() [L200] EXPR input_94 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L200] input_94 = input_94 & mask_SORT_1 [L201] input_96 = __VERIFIER_nondet_uchar() [L202] EXPR input_96 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L202] input_96 = input_96 & mask_SORT_1 [L203] input_97 = __VERIFIER_nondet_uchar() [L204] EXPR input_97 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L204] input_97 = input_97 & mask_SORT_1 [L205] input_99 = __VERIFIER_nondet_uchar() [L206] EXPR input_99 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L206] input_99 = input_99 & mask_SORT_1 [L207] input_100 = __VERIFIER_nondet_uchar() [L208] EXPR input_100 & mask_SORT_1 VAL [input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L208] input_100 = input_100 & mask_SORT_1 [L209] input_102 = __VERIFIER_nondet_uchar() [L210] EXPR input_102 & mask_SORT_1 VAL [input_100=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L210] input_102 = input_102 & mask_SORT_1 [L211] input_103 = __VERIFIER_nondet_uchar() [L212] EXPR input_103 & mask_SORT_1 VAL [input_100=0, input_102=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L212] input_103 = input_103 & mask_SORT_1 [L213] input_105 = __VERIFIER_nondet_uchar() [L214] EXPR input_105 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L214] input_105 = input_105 & mask_SORT_1 [L215] input_106 = __VERIFIER_nondet_uchar() [L216] EXPR input_106 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L216] input_106 = input_106 & mask_SORT_1 [L217] input_122 = __VERIFIER_nondet_uchar() [L218] EXPR input_122 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L218] input_122 = input_122 & mask_SORT_1 [L219] input_123 = __VERIFIER_nondet_uchar() [L220] EXPR input_123 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L220] input_123 = input_123 & mask_SORT_1 [L221] input_124 = __VERIFIER_nondet_uchar() [L222] EXPR input_124 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L222] input_124 = input_124 & mask_SORT_1 [L223] input_141 = __VERIFIER_nondet_uchar() [L224] EXPR input_141 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L224] input_141 = input_141 & mask_SORT_1 [L225] input_142 = __VERIFIER_nondet_uchar() [L226] EXPR input_142 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L226] input_142 = input_142 & mask_SORT_1 [L227] input_157 = __VERIFIER_nondet_uchar() [L228] EXPR input_157 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L228] input_157 = input_157 & mask_SORT_1 [L229] input_158 = __VERIFIER_nondet_uchar() [L230] EXPR input_158 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L230] input_158 = input_158 & mask_SORT_1 [L231] input_173 = __VERIFIER_nondet_uchar() [L232] EXPR input_173 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L232] input_173 = input_173 & mask_SORT_1 [L233] input_174 = __VERIFIER_nondet_uchar() [L234] EXPR input_174 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L234] input_174 = input_174 & mask_SORT_1 [L235] input_189 = __VERIFIER_nondet_uchar() [L236] EXPR input_189 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L236] input_189 = input_189 & mask_SORT_1 [L237] input_190 = __VERIFIER_nondet_uchar() [L238] EXPR input_190 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L238] input_190 = input_190 & mask_SORT_1 [L239] input_205 = __VERIFIER_nondet_uchar() [L240] EXPR input_205 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L240] input_205 = input_205 & mask_SORT_1 [L241] input_206 = __VERIFIER_nondet_uchar() [L242] EXPR input_206 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L242] input_206 = input_206 & mask_SORT_1 [L243] input_223 = __VERIFIER_nondet_uchar() [L244] input_231 = __VERIFIER_nondet_uchar() [L245] input_239 = __VERIFIER_nondet_uchar() [L246] input_247 = __VERIFIER_nondet_uchar() [L247] input_255 = __VERIFIER_nondet_uchar() [L248] input_263 = __VERIFIER_nondet_uchar() [L249] input_271 = __VERIFIER_nondet_uchar() [L250] input_279 = __VERIFIER_nondet_uchar() [L251] input_287 = __VERIFIER_nondet_uchar() [L252] input_295 = __VERIFIER_nondet_uchar() [L253] input_303 = __VERIFIER_nondet_uchar() [L254] input_311 = __VERIFIER_nondet_uchar() [L257] SORT_1 var_75_arg_0 = state_29; [L258] SORT_4 var_75_arg_1 = var_73; [L259] SORT_4 var_75_arg_2 = var_74; [L260] SORT_4 var_75 = var_75_arg_0 ? var_75_arg_1 : var_75_arg_2; [L261] SORT_1 var_76_arg_0 = state_37; [L262] SORT_4 var_76_arg_1 = var_73; [L263] SORT_4 var_76_arg_2 = var_74; [L264] SORT_4 var_76 = var_76_arg_0 ? var_76_arg_1 : var_76_arg_2; [L265] SORT_4 var_77_arg_0 = var_75; [L266] SORT_4 var_77_arg_1 = var_76; [L267] SORT_4 var_77 = var_77_arg_0 + var_77_arg_1; [L268] SORT_1 var_78_arg_0 = state_45; [L269] SORT_4 var_78_arg_1 = var_73; [L270] SORT_4 var_78_arg_2 = var_74; [L271] SORT_4 var_78 = var_78_arg_0 ? var_78_arg_1 : var_78_arg_2; [L272] SORT_4 var_79_arg_0 = var_77; [L273] SORT_4 var_79_arg_1 = var_78; [L274] SORT_4 var_79 = var_79_arg_0 + var_79_arg_1; [L275] SORT_1 var_80_arg_0 = state_53; [L276] SORT_4 var_80_arg_1 = var_73; [L277] SORT_4 var_80_arg_2 = var_74; [L278] SORT_4 var_80 = var_80_arg_0 ? var_80_arg_1 : var_80_arg_2; [L279] SORT_4 var_81_arg_0 = var_79; [L280] SORT_4 var_81_arg_1 = var_80; [L281] SORT_4 var_81 = var_81_arg_0 + var_81_arg_1; [L282] SORT_1 var_82_arg_0 = state_61; [L283] SORT_4 var_82_arg_1 = var_73; [L284] SORT_4 var_82_arg_2 = var_74; [L285] SORT_4 var_82 = var_82_arg_0 ? var_82_arg_1 : var_82_arg_2; [L286] SORT_4 var_83_arg_0 = var_81; [L287] SORT_4 var_83_arg_1 = var_82; [L288] SORT_4 var_83 = var_83_arg_0 + var_83_arg_1; [L289] SORT_1 var_84_arg_0 = state_69; [L290] SORT_4 var_84_arg_1 = var_73; [L291] SORT_4 var_84_arg_2 = var_74; [L292] SORT_4 var_84 = var_84_arg_0 ? var_84_arg_1 : var_84_arg_2; [L293] SORT_4 var_85_arg_0 = var_83; [L294] SORT_4 var_85_arg_1 = var_84; [L295] SORT_4 var_85 = var_85_arg_0 + var_85_arg_1; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_85=0, var_90=0, var_92=6, var_95=5, var_98=4] [L296] EXPR var_85 & mask_SORT_4 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L296] var_85 = var_85 & mask_SORT_4 [L297] SORT_4 var_86_arg_0 = var_85; [L298] SORT_4 var_86_arg_1 = var_73; [L299] SORT_1 var_86 = var_86_arg_0 <= var_86_arg_1; [L300] SORT_1 var_87_arg_0 = ~state_71; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_86=1, var_87_arg_0=-1, var_90=0, var_92=6, var_95=5, var_98=4] [L301] EXPR var_87_arg_0 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_86=1, var_90=0, var_92=6, var_95=5, var_98=4] [L301] var_87_arg_0 = var_87_arg_0 & mask_SORT_1 [L302] SORT_1 var_87_arg_1 = ~var_86; VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_87_arg_0=1, var_87_arg_1=-2, var_90=0, var_92=6, var_95=5, var_98=4] [L303] EXPR var_87_arg_1 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_87_arg_0=1, var_90=0, var_92=6, var_95=5, var_98=4] [L303] var_87_arg_1 = var_87_arg_1 & mask_SORT_1 [L304] EXPR var_87_arg_0 & var_87_arg_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L304] SORT_1 var_87 = var_87_arg_0 & var_87_arg_1; [L305] EXPR var_87 & mask_SORT_1 VAL [input_100=0, input_102=0, input_103=0, input_105=0, input_106=0, input_122=0, input_123=0, input_124=0, input_141=0, input_142=0, input_157=0, input_158=0, input_173=0, input_174=0, input_189=0, input_190=0, input_205=0, input_206=0, input_89=0, input_91=0, input_93=0, input_94=0, input_96=0, input_97=0, input_99=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_21=0, state_23=0, state_25=0, state_27=0, state_29=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_101=3, var_104=2, var_107=1, var_121=255, var_125=0, var_129=255, var_73=1, var_74=0, var_90=0, var_92=6, var_95=5, var_98=4] [L305] var_87 = var_87 & mask_SORT_1 [L306] SORT_1 bad_88_arg_0 = var_87; [L307] CALL __VERIFIER_assert(!(bad_88_arg_0)) [L21] COND TRUE !(cond) [L21] reach_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 2558 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 13.8s, OverallIterations: 7, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 8.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.1s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7426 SdHoareTripleChecker+Valid, 7.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7426 mSDsluCounter, 69020 SdHoareTripleChecker+Invalid, 6.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 47888 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7476 IncrementalHoareTripleChecker+Invalid, 7478 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 21132 mSDtfsCounter, 7476 mSolverCounterSat, 0.3s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2685occurred in iteration=6, InterpolantAutomatonStates: 27, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 6 MinimizatonAttempts, 2314 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 3.2s InterpolantComputationTime, 938 NumberOfCodeBlocks, 938 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 795 ConstructedInterpolants, 0 QuantifiedInterpolants, 2305 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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 [2024-11-24 02:04:22,531 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/config/AutomizerReach.xml -i ../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Bitvector.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 --- Real Ultimate output --- This is Ultimate 0.3.0-dev-6497de0 [2024-11-24 02:04:25,175 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-24 02:04:25,300 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/config/svcomp-Reach-64bit-Automizer_Bitvector.epf [2024-11-24 02:04:25,321 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-24 02:04:25,325 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-24 02:04:25,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-24 02:04:25,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-24 02:04:25,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-24 02:04:25,374 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-24 02:04:25,374 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-24 02:04:25,375 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-24 02:04:25,376 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-24 02:04:25,376 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-24 02:04:25,376 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-24 02:04:25,377 INFO L153 SettingsManager]: * Use SBE=true [2024-11-24 02:04:25,377 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-24 02:04:25,377 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-24 02:04:25,377 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-24 02:04:25,377 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-24 02:04:25,377 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-24 02:04:25,377 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-24 02:04:25,377 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-24 02:04:25,378 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-24 02:04:25,378 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-24 02:04:25,378 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-24 02:04:25,378 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2024-11-24 02:04:25,379 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-24 02:04:25,379 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-24 02:04:25,379 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:04:25,379 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:04:25,379 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:04:25,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:04:25,380 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-24 02:04:25,380 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-24 02:04:25,380 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-24 02:04:25,380 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-24 02:04:25,380 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:04:25,381 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-24 02:04:25,381 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-24 02:04:25,381 INFO L153 SettingsManager]: * Compute procedure contracts=false [2024-11-24 02:04:25,381 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-24 02:04:25,381 INFO L153 SettingsManager]: * Trace refinement strategy=FOX [2024-11-24 02:04:25,381 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-24 02:04:25,382 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-24 02:04:25,382 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-24 02:04:25,382 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-24 02:04:25,383 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-24 02:04:25,383 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_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4c71fab330bdc6012057120a447b5cc1b5316aa36d41a10077f304914f3f84a7 [2024-11-24 02:04:25,711 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-24 02:04:25,721 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-24 02:04:25,724 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-24 02:04:25,726 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-24 02:04:25,729 INFO L274 PluginConnector]: CDTParser initialized [2024-11-24 02:04:25,730 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/../../sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2024-11-24 02:04:28,727 INFO L533 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/data/072996e24/616497a1764045749d6b0c6d7fb7e328/FLAGcd992c21e [2024-11-24 02:04:29,228 INFO L384 CDTParser]: Found 1 translation units. [2024-11-24 02:04:29,229 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c [2024-11-24 02:04:29,261 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/data/072996e24/616497a1764045749d6b0c6d7fb7e328/FLAGcd992c21e [2024-11-24 02:04:29,295 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/data/072996e24/616497a1764045749d6b0c6d7fb7e328 [2024-11-24 02:04:29,298 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-24 02:04:29,299 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-24 02:04:29,302 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-24 02:04:29,302 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-24 02:04:29,307 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-24 02:04:29,308 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:04:29" (1/1) ... [2024-11-24 02:04:29,308 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56b34a4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:29, skipping insertion in model container [2024-11-24 02:04:29,309 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 02:04:29" (1/1) ... [2024-11-24 02:04:29,396 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-24 02:04:29,627 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_e4379023-84da-43ca-bc83-fa89a00fa3e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2024-11-24 02:04:30,042 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:04:30,063 INFO L200 MainTranslator]: Completed pre-run [2024-11-24 02:04:30,075 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_e4379023-84da-43ca-bc83-fa89a00fa3e1/sv-benchmarks/c/hardware-verification-bv/btor2c-lazyMod.fischer.3.prop1-func-interl.c[1174,1187] [2024-11-24 02:04:30,255 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-24 02:04:30,273 INFO L204 MainTranslator]: Completed translation [2024-11-24 02:04:30,273 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30 WrapperNode [2024-11-24 02:04:30,274 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-24 02:04:30,275 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-24 02:04:30,275 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-24 02:04:30,275 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-24 02:04:30,282 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,326 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,482 INFO L138 Inliner]: procedures = 17, calls = 8, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 2201 [2024-11-24 02:04:30,483 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-24 02:04:30,484 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-24 02:04:30,484 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-24 02:04:30,484 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-24 02:04:30,494 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,494 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,517 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,571 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]. [2024-11-24 02:04:30,571 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,571 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,630 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,634 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,647 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,657 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,676 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,695 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-24 02:04:30,696 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-24 02:04:30,696 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-24 02:04:30,696 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-24 02:04:30,697 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (1/1) ... [2024-11-24 02:04:30,703 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-24 02:04:30,716 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:04:30,733 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-24 02:04:30,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-24 02:04:30,764 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-24 02:04:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-24 02:04:30,765 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-24 02:04:30,765 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-24 02:04:31,232 INFO L234 CfgBuilder]: Building ICFG [2024-11-24 02:04:31,234 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-24 02:04:34,047 INFO L? ?]: Removed 128 outVars from TransFormulas that were not future-live. [2024-11-24 02:04:34,048 INFO L283 CfgBuilder]: Performing block encoding [2024-11-24 02:04:34,058 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-24 02:04:34,058 INFO L312 CfgBuilder]: Removed 1 assume(true) statements. [2024-11-24 02:04:34,059 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:34 BoogieIcfgContainer [2024-11-24 02:04:34,059 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-24 02:04:34,061 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-24 02:04:34,061 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-24 02:04:34,069 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-24 02:04:34,069 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 02:04:29" (1/3) ... [2024-11-24 02:04:34,070 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3e3ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:04:34, skipping insertion in model container [2024-11-24 02:04:34,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 02:04:30" (2/3) ... [2024-11-24 02:04:34,071 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b3e3ca4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 02:04:34, skipping insertion in model container [2024-11-24 02:04:34,071 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 02:04:34" (3/3) ... [2024-11-24 02:04:34,072 INFO L128 eAbstractionObserver]: Analyzing ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c [2024-11-24 02:04:34,088 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-24 02:04:34,089 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG btor2c-lazyMod.fischer.3.prop1-func-interl.c that has 1 procedures, 10 locations, 1 initial locations, 1 loop locations, and 1 error locations. [2024-11-24 02:04:34,147 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-24 02:04:34,163 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;@698c886d, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-24 02:04:34,163 INFO L334 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2024-11-24 02:04:34,168 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) [2024-11-24 02:04:34,173 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-24 02:04:34,173 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:34,173 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-24 02:04:34,174 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:34,179 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:34,181 INFO L85 PathProgramCache]: Analyzing trace with hash 28694789, now seen corresponding path program 1 times [2024-11-24 02:04:34,208 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:04:34,208 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [111272416] [2024-11-24 02:04:34,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:34,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:04:34,209 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:04:34,213 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:04:34,215 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-24 02:04:34,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:34,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 58 conjuncts are in the unsatisfiable core [2024-11-24 02:04:34,872 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-24 02:04:35,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-24 02:04:35,684 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-24 02:04:35,685 INFO L136 FreeRefinementEngine]: Strategy FOX found an infeasible trace [2024-11-24 02:04:35,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [111272416] [2024-11-24 02:04:35,685 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [111272416] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-24 02:04:35,685 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-24 02:04:35,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-24 02:04:35,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [106924246] [2024-11-24 02:04:35,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-24 02:04:35,694 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-24 02:04:35,694 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FOX [2024-11-24 02:04:35,714 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-24 02:04:35,715 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-24 02:04:35,717 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) [2024-11-24 02:04:35,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-24 02:04:35,970 INFO L93 Difference]: Finished difference Result 18 states and 23 transitions. [2024-11-24 02:04:35,972 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-24 02:04:35,974 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 [2024-11-24 02:04:35,974 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-24 02:04:35,981 INFO L225 Difference]: With dead ends: 18 [2024-11-24 02:04:35,982 INFO L226 Difference]: Without dead ends: 10 [2024-11-24 02:04:35,984 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 [2024-11-24 02:04:35,988 INFO L435 NwaCegarLoop]: 4 mSDtfsCounter, 2 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 11 SdHoareTripleChecker+Invalid, 9 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-24 02:04:35,991 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 11 Invalid, 9 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-24 02:04:36,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10 states. [2024-11-24 02:04:36,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10 to 9. [2024-11-24 02:04:36,017 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) [2024-11-24 02:04:36,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 9 transitions. [2024-11-24 02:04:36,024 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 9 transitions. Word has length 5 [2024-11-24 02:04:36,025 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-24 02:04:36,025 INFO L471 AbstractCegarLoop]: Abstraction has 9 states and 9 transitions. [2024-11-24 02:04:36,025 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) [2024-11-24 02:04:36,025 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 9 transitions. [2024-11-24 02:04:36,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-24 02:04:36,026 INFO L210 NwaCegarLoop]: Found error trace [2024-11-24 02:04:36,026 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-24 02:04:36,037 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-24 02:04:36,226 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:04:36,227 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2024-11-24 02:04:36,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-24 02:04:36,227 INFO L85 PathProgramCache]: Analyzing trace with hash 152739811, now seen corresponding path program 1 times [2024-11-24 02:04:36,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy FOX [2024-11-24 02:04:36,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [389000516] [2024-11-24 02:04:36,232 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-24 02:04:36,232 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-24 02:04:36,232 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 [2024-11-24 02:04:36,237 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-24 02:04:36,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e4379023-84da-43ca-bc83-fa89a00fa3e1/bin/uautomizer-verify-LYvppIcaGC/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-24 02:04:37,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-24 02:04:37,074 INFO L256 TraceCheckSpWp]: Trace formula consists of 282 conjuncts, 81 conjuncts are in the unsatisfiable core [2024-11-24 02:04:37,105 INFO L279 TraceCheckSpWp]: Computing forward predicates...