./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0f8a17c6 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --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 2bf66c918295559060a8e3ec892f4cbf4fc66cf4b9f3e9338e9b0a339b20bc2f --- Real Ultimate output --- This is Ultimate 0.2.1-dev-0f8a17c [2021-11-17 03:11:04,942 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-17 03:11:04,945 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-17 03:11:04,974 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-17 03:11:04,974 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-17 03:11:04,977 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-17 03:11:04,979 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-17 03:11:04,983 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-17 03:11:04,985 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-17 03:11:04,990 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-17 03:11:04,990 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-17 03:11:04,991 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-17 03:11:04,992 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-17 03:11:04,993 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-17 03:11:04,995 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-17 03:11:04,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-17 03:11:04,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-17 03:11:05,000 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-17 03:11:05,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-17 03:11:05,008 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-17 03:11:05,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-17 03:11:05,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-17 03:11:05,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-17 03:11:05,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-17 03:11:05,017 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-17 03:11:05,019 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-17 03:11:05,019 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-17 03:11:05,019 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-17 03:11:05,020 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-17 03:11:05,021 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-17 03:11:05,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-17 03:11:05,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-17 03:11:05,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-17 03:11:05,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-17 03:11:05,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-17 03:11:05,025 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-17 03:11:05,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-17 03:11:05,026 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-17 03:11:05,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-17 03:11:05,026 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-17 03:11:05,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-17 03:11:05,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2021-11-17 03:11:05,047 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-17 03:11:05,048 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-17 03:11:05,048 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-17 03:11:05,048 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-17 03:11:05,049 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-11-17 03:11:05,050 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-11-17 03:11:05,050 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-17 03:11:05,050 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-17 03:11:05,050 INFO L138 SettingsManager]: * Use SBE=true [2021-11-17 03:11:05,051 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-17 03:11:05,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-17 03:11:05,052 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-17 03:11:05,052 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-11-17 03:11:05,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-11-17 03:11:05,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-11-17 03:11:05,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-17 03:11:05,052 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-17 03:11:05,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-11-17 03:11:05,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-17 03:11:05,053 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-17 03:11:05,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-11-17 03:11:05,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 03:11:05,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-17 03:11:05,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-11-17 03:11:05,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-11-17 03:11:05,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-17 03:11:05,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-11-17 03:11:05,055 INFO L138 SettingsManager]: * Large block encoding in concurrent analysis=OFF [2021-11-17 03:11:05,055 INFO L138 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2021-11-17 03:11:05,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-11-17 03:11:05,056 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-17 03:11:05,056 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2bf66c918295559060a8e3ec892f4cbf4fc66cf4b9f3e9338e9b0a339b20bc2f [2021-11-17 03:11:05,258 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-17 03:11:05,273 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-17 03:11:05,275 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-17 03:11:05,275 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-17 03:11:05,276 INFO L275 PluginConnector]: CDTParser initialized [2021-11-17 03:11:05,277 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2021-11-17 03:11:05,329 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16c0b9727/c985d166b4fc4b3f8ef8e69c3f97ecac/FLAG9fc7a92d2 [2021-11-17 03:11:06,004 INFO L306 CDTParser]: Found 1 translation units. [2021-11-17 03:11:06,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2021-11-17 03:11:06,075 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16c0b9727/c985d166b4fc4b3f8ef8e69c3f97ecac/FLAG9fc7a92d2 [2021-11-17 03:11:06,103 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/16c0b9727/c985d166b4fc4b3f8ef8e69c3f97ecac [2021-11-17 03:11:06,105 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-17 03:11:06,107 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-17 03:11:06,108 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-17 03:11:06,109 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-17 03:11:06,111 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-17 03:11:06,112 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:11:06" (1/1) ... [2021-11-17 03:11:06,114 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@71ef861b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:06, skipping insertion in model container [2021-11-17 03:11:06,114 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 03:11:06" (1/1) ... [2021-11-17 03:11:06,119 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-17 03:11:06,226 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-17 03:11:08,498 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i[416114,416127] [2021-11-17 03:11:08,537 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-17 03:11:08,543 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 03:11:08,624 INFO L203 MainTranslator]: Completed pre-run [2021-11-17 03:11:09,004 WARN L230 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-linux-4.2-rc1/linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i[416114,416127] [2021-11-17 03:11:09,008 WARN L612 FunctionHandler]: implicit declaration of function ldv_xmalloc [2021-11-17 03:11:09,010 INFO L207 PostProcessor]: Analyzing one entry point: main [2021-11-17 03:11:09,150 INFO L208 MainTranslator]: Completed translation [2021-11-17 03:11:09,150 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09 WrapperNode [2021-11-17 03:11:09,151 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-17 03:11:09,151 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-17 03:11:09,151 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-17 03:11:09,152 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-17 03:11:09,156 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (1/1) ... [2021-11-17 03:11:09,335 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (1/1) ... [2021-11-17 03:11:09,787 INFO L137 Inliner]: procedures = 416, calls = 9044, calls flagged for inlining = 161, calls inlined = 152, statements flattened = 14228 [2021-11-17 03:11:09,795 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-17 03:11:09,796 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-17 03:11:09,796 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-17 03:11:09,796 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-17 03:11:09,804 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (1/1) ... [2021-11-17 03:11:09,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (1/1) ... [2021-11-17 03:11:09,874 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (1/1) ... [2021-11-17 03:11:09,875 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (1/1) ... [2021-11-17 03:11:10,107 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (1/1) ... [2021-11-17 03:11:10,137 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (1/1) ... [2021-11-17 03:11:10,170 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (1/1) ... [2021-11-17 03:11:10,277 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-17 03:11:10,279 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-17 03:11:10,279 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-17 03:11:10,279 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-17 03:11:10,287 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (1/1) ... [2021-11-17 03:11:10,292 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-11-17 03:11:10,306 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-11-17 03:11:10,340 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-11-17 03:11:10,400 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-11-17 03:11:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_vfreq [2021-11-17 03:11:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_vfreq [2021-11-17 03:11:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2021-11-17 03:11:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure fb_create_modedb [2021-11-17 03:11:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_create_modedb [2021-11-17 03:11:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2021-11-17 03:11:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2021-11-17 03:11:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_mkwrite [2021-11-17 03:11:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_mkwrite [2021-11-17 03:11:10,419 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2021-11-17 03:11:10,419 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2021-11-17 03:11:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure activate_work_1 [2021-11-17 03:11:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure activate_work_1 [2021-11-17 03:11:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_dclk [2021-11-17 03:11:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_dclk [2021-11-17 03:11:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_limits_block [2021-11-17 03:11:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_limits_block [2021-11-17 03:11:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_monitor_block [2021-11-17 03:11:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_monitor_block [2021-11-17 03:11:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2021-11-17 03:11:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_xmalloc [2021-11-17 03:11:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2021-11-17 03:11:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2021-11-17 03:11:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure put_fb_info [2021-11-17 03:11:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure put_fb_info [2021-11-17 03:11:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure fb_add_videomode [2021-11-17 03:11:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_add_videomode [2021-11-17 03:11:10,420 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_timing_block [2021-11-17 03:11:10,420 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_timing_block [2021-11-17 03:11:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2021-11-17 03:11:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure pm_vt_switch_required [2021-11-17 03:11:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure pm_vt_switch_required [2021-11-17 03:11:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_ascii_block [2021-11-17 03:11:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_ascii_block [2021-11-17 03:11:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure __might_fault [2021-11-17 03:11:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure __might_fault [2021-11-17 03:11:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure list_del [2021-11-17 03:11:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure list_del [2021-11-17 03:11:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2021-11-17 03:11:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2021-11-17 03:11:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure fb_timings_hfreq [2021-11-17 03:11:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_timings_hfreq [2021-11-17 03:11:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure do_unregister_framebuffer [2021-11-17 03:11:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure do_unregister_framebuffer [2021-11-17 03:11:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_fault [2021-11-17 03:11:10,421 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_fault [2021-11-17 03:11:10,421 INFO L130 BoogieDeclarations]: Found specification of procedure fb_seq_show [2021-11-17 03:11:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_seq_show [2021-11-17 03:11:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure fb_pan_display [2021-11-17 03:11:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_pan_display [2021-11-17 03:11:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure fb_be_math [2021-11-17 03:11:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_be_math [2021-11-17 03:11:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2021-11-17 03:11:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure fb_var_to_videomode [2021-11-17 03:11:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_var_to_videomode [2021-11-17 03:11:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_vblank [2021-11-17 03:11:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_vblank [2021-11-17 03:11:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 03:11:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~TO~int [2021-11-17 03:11:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2021-11-17 03:11:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure fb_getput_cmap [2021-11-17 03:11:10,422 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_getput_cmap [2021-11-17 03:11:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2021-11-17 03:11:10,422 INFO L130 BoogieDeclarations]: Found specification of procedure fb_mode_is_equal [2021-11-17 03:11:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_mode_is_equal [2021-11-17 03:11:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2021-11-17 03:11:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2021-11-17 03:11:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure unlink_framebuffer [2021-11-17 03:11:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure unlink_framebuffer [2021-11-17 03:11:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2021-11-17 03:11:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2021-11-17 03:11:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_init_zalloc [2021-11-17 03:11:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_init_zalloc [2021-11-17 03:11:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2021-11-17 03:11:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2021-11-17 03:11:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2021-11-17 03:11:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure fb_show_logo_line [2021-11-17 03:11:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_show_logo_line [2021-11-17 03:11:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure __list_add [2021-11-17 03:11:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure __list_add [2021-11-17 03:11:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_color_depth [2021-11-17 03:11:10,423 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_color_depth [2021-11-17 03:11:10,423 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 03:11:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2021-11-17 03:11:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure fb_find_mode_cvt [2021-11-17 03:11:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_find_mode_cvt [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure do_fb_ioctl [2021-11-17 03:11:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure do_fb_ioctl [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_logocmap [2021-11-17 03:11:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_logocmap [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure lock_page [2021-11-17 03:11:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_page [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure fb_copy_cmap [2021-11-17 03:11:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_copy_cmap [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2021-11-17 03:11:10,424 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2021-11-17 03:11:10,424 INFO L130 BoogieDeclarations]: Found specification of procedure fb_notifier_call_chain [2021-11-17 03:11:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_notifier_call_chain [2021-11-17 03:11:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure edid_check_header [2021-11-17 03:11:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_check_header [2021-11-17 03:11:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_set_page_dirty [2021-11-17 03:11:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_set_page_dirty [2021-11-17 03:11:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_delayed_work [2021-11-17 03:11:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_delayed_work [2021-11-17 03:11:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure calc_mode_timings [2021-11-17 03:11:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure calc_mode_timings [2021-11-17 03:11:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-17 03:11:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-17 03:11:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2021-11-17 03:11:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2021-11-17 03:11:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure fb_ioctl [2021-11-17 03:11:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_ioctl [2021-11-17 03:11:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-17 03:11:10,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~int~X~int~TO~int [2021-11-17 03:11:10,425 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2021-11-17 03:11:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure cancel_delayed_work_sync [2021-11-17 03:11:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure cancel_delayed_work_sync [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure fb_write [2021-11-17 03:11:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_write [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure file_inode [2021-11-17 03:11:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure file_inode [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure seq_read [2021-11-17 03:11:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_read [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_module_put [2021-11-17 03:11:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_module_put [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modelist [2021-11-17 03:11:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modelist [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2021-11-17 03:11:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2021-11-17 03:11:10,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2021-11-17 03:11:10,426 INFO L130 BoogieDeclarations]: Found specification of procedure queue_delayed_work_on [2021-11-17 03:11:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure queue_delayed_work_on [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2021-11-17 03:11:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2021-11-17 03:11:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure edid_checksum [2021-11-17 03:11:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_checksum [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure do_remove_conflicting_framebuffers [2021-11-17 03:11:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure do_remove_conflicting_framebuffers [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure fb_release [2021-11-17 03:11:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_release [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure INIT_LIST_HEAD [2021-11-17 03:11:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure INIT_LIST_HEAD [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure get_fb_info [2021-11-17 03:11:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure get_fb_info [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure copy_in_user [2021-11-17 03:11:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_in_user [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2021-11-17 03:11:10,427 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_work [2021-11-17 03:11:10,427 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_work [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure fb_dealloc_cmap [2021-11-17 03:11:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_dealloc_cmap [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-17 03:11:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~int~X~$Pointer$~TO~int [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure disable_work_1 [2021-11-17 03:11:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure disable_work_1 [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_fsync [2021-11-17 03:11:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_fsync [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2021-11-17 03:11:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2021-11-17 03:11:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure proc_fb_open [2021-11-17 03:11:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure proc_fb_open [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure edid_is_serial_block [2021-11-17 03:11:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure edid_is_serial_block [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_nested [2021-11-17 03:11:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_nested [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure unlock_fb_info [2021-11-17 03:11:10,428 INFO L138 BoogieDeclarations]: Found implementation of procedure unlock_fb_info [2021-11-17 03:11:10,428 INFO L130 BoogieDeclarations]: Found specification of procedure get_std_timing [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure get_std_timing [2021-11-17 03:11:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_cmap [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_cmap [2021-11-17 03:11:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure list_empty [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure list_empty [2021-11-17 03:11:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure file_fb_info [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure file_fb_info [2021-11-17 03:11:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_page [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_page [2021-11-17 03:11:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure fb_mmap [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_mmap [2021-11-17 03:11:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_from_videomode [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_from_videomode [2021-11-17 03:11:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure fb_destroy_modedb [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_destroy_modedb [2021-11-17 03:11:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure fb_compat_ioctl [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_compat_ioctl [2021-11-17 03:11:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure fb_set_var [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_set_var [2021-11-17 03:11:10,429 INFO L130 BoogieDeclarations]: Found specification of procedure lock_fb_info [2021-11-17 03:11:10,429 INFO L138 BoogieDeclarations]: Found implementation of procedure lock_fb_info [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2021-11-17 03:11:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2021-11-17 03:11:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure safe_shift [2021-11-17 03:11:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure safe_shift [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure fb_deferred_io_open [2021-11-17 03:11:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_deferred_io_open [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure seq_release [2021-11-17 03:11:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure seq_release [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2021-11-17 03:11:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure fb_read [2021-11-17 03:11:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_read [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_memset [2021-11-17 03:11:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_memset [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2021-11-17 03:11:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2021-11-17 03:11:10,430 INFO L130 BoogieDeclarations]: Found specification of procedure atomic_inc [2021-11-17 03:11:10,430 INFO L138 BoogieDeclarations]: Found implementation of procedure atomic_inc [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure fb_open [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_open [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure fb_videomode_to_var [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_videomode_to_var [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure fb_blank [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_blank [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure console_lock [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure console_lock [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure console_unlock [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure console_unlock [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_fscreeninfo [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_fscreeninfo [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure fix_edid [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fix_edid [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure check_edid [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure check_edid [2021-11-17 03:11:10,431 INFO L130 BoogieDeclarations]: Found specification of procedure fb_alloc_cmap_gfp [2021-11-17 03:11:10,431 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_alloc_cmap_gfp [2021-11-17 03:11:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 03:11:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~int [2021-11-17 03:11:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure fb_get_hblank_by_hfreq [2021-11-17 03:11:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_get_hblank_by_hfreq [2021-11-17 03:11:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure get_detailed_timing [2021-11-17 03:11:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure get_detailed_timing [2021-11-17 03:11:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure fb_seq_stop [2021-11-17 03:11:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_seq_stop [2021-11-17 03:11:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-17 03:11:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 03:11:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~TO~VOID [2021-11-17 03:11:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure fb_show_logo [2021-11-17 03:11:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure fb_show_logo [2021-11-17 03:11:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure copy_string [2021-11-17 03:11:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_string [2021-11-17 03:11:10,432 INFO L130 BoogieDeclarations]: Found specification of procedure device_remove_file [2021-11-17 03:11:10,432 INFO L138 BoogieDeclarations]: Found implementation of procedure device_remove_file [2021-11-17 03:11:11,359 INFO L236 CfgBuilder]: Building ICFG [2021-11-17 03:11:11,362 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-11-17 03:11:25,839 INFO L768 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2021-11-17 03:12:14,596 INFO L277 CfgBuilder]: Performing block encoding [2021-11-17 03:12:14,610 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-17 03:12:14,610 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-11-17 03:12:14,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:12:14 BoogieIcfgContainer [2021-11-17 03:12:14,613 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-17 03:12:14,615 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-11-17 03:12:14,615 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-11-17 03:12:14,617 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-11-17 03:12:14,617 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 03:11:06" (1/3) ... [2021-11-17 03:12:14,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392ad7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:12:14, skipping insertion in model container [2021-11-17 03:12:14,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 03:11:09" (2/3) ... [2021-11-17 03:12:14,618 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@392ad7ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 03:12:14, skipping insertion in model container [2021-11-17 03:12:14,618 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.11 03:12:14" (3/3) ... [2021-11-17 03:12:14,619 INFO L111 eAbstractionObserver]: Analyzing ICFG linux-4.2-rc1.tar.xz-08_1a-drivers--video--fbdev--core--fb.ko-entry_point.cil.out.i [2021-11-17 03:12:14,622 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-11-17 03:12:14,623 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-11-17 03:12:14,661 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-11-17 03:12:14,669 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=PETRI_NET, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, 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, mLoopAccelerationTechnique=FAST_UPR [2021-11-17 03:12:14,670 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-11-17 03:12:14,719 INFO L276 IsEmpty]: Start isEmpty. Operand has 2639 states, 2035 states have (on average 1.4368550368550368) internal successors, (2924), 2078 states have internal predecessors, (2924), 481 states have call successors, (481), 122 states have call predecessors, (481), 121 states have return successors, (474), 463 states have call predecessors, (474), 474 states have call successors, (474) [2021-11-17 03:12:14,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-17 03:12:14,733 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:12:14,734 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:12:14,734 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:12:14,738 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:12:14,738 INFO L85 PathProgramCache]: Analyzing trace with hash -676214012, now seen corresponding path program 1 times [2021-11-17 03:12:14,744 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:12:14,745 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042327319] [2021-11-17 03:12:14,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:12:14,746 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:12:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,635 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:12:15,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,671 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:15,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,682 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:15,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:12:15,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,710 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:15,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,736 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:12:15,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,794 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:12:15,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,813 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,824 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,834 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:12:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,854 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,864 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,874 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:12:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,898 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:15,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,906 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:12:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,934 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:15,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,942 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:12:15,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,959 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 03:12:15,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,975 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:15,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:15,985 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 03:12:15,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,002 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,012 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 03:12:16,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,027 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,038 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 03:12:16,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,153 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,162 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 03:12:16,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,173 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,181 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 03:12:16,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,193 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,201 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 03:12:16,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,213 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 03:12:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,243 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 03:12:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,256 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,264 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 03:12:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 03:12:16,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,304 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 03:12:16,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,317 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 03:12:16,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,338 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,345 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 03:12:16,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:12:16,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:12:16,372 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2021-11-17 03:12:16,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:12:16,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042327319] [2021-11-17 03:12:16,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042327319] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:12:16,374 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:12:16,374 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2021-11-17 03:12:16,375 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [289478645] [2021-11-17 03:12:16,376 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:12:16,379 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2021-11-17 03:12:16,379 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:12:16,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2021-11-17 03:12:16,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-11-17 03:12:16,402 INFO L87 Difference]: Start difference. First operand has 2639 states, 2035 states have (on average 1.4368550368550368) internal successors, (2924), 2078 states have internal predecessors, (2924), 481 states have call successors, (481), 122 states have call predecessors, (481), 121 states have return successors, (474), 463 states have call predecessors, (474), 474 states have call successors, (474) Second operand has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 03:12:18,594 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:21,490 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:22,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.34s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:24,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:27,809 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:30,903 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:32,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:35,278 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:37,455 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:12:39,838 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:42,516 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:45,315 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:49,587 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:53,717 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:57,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:12:59,942 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.67s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:03,994 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.65s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:06,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.53s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:09,279 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:11,760 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:12,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:13:12,427 INFO L93 Difference]: Finished difference Result 5870 states and 8871 transitions. [2021-11-17 03:13:12,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-11-17 03:13:12,429 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) Word has length 288 [2021-11-17 03:13:12,430 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:13:12,482 INFO L225 Difference]: With dead ends: 5870 [2021-11-17 03:13:12,482 INFO L226 Difference]: Without dead ends: 3213 [2021-11-17 03:13:12,504 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2021-11-17 03:13:12,510 INFO L933 BasicCegarLoop]: 3493 mSDtfsCounter, 4239 mSDsluCounter, 1846 mSDsCounter, 0 mSdLazyCounter, 1610 mSolverCounterSat, 2342 mSolverCounterUnsat, 16 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 53.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4315 SdHoareTripleChecker+Valid, 5339 SdHoareTripleChecker+Invalid, 3968 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2342 IncrementalHoareTripleChecker+Valid, 1610 IncrementalHoareTripleChecker+Invalid, 16 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 55.6s IncrementalHoareTripleChecker+Time [2021-11-17 03:13:12,513 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4315 Valid, 5339 Invalid, 3968 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2342 Valid, 1610 Invalid, 16 Unknown, 0 Unchecked, 55.6s Time] [2021-11-17 03:13:12,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3213 states. [2021-11-17 03:13:12,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3213 to 2620. [2021-11-17 03:13:12,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2620 states, 2025 states have (on average 1.4320987654320987) internal successors, (2900), 2059 states have internal predecessors, (2900), 474 states have call successors, (474), 121 states have call predecessors, (474), 120 states have return successors, (472), 461 states have call predecessors, (472), 472 states have call successors, (472) [2021-11-17 03:13:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2620 states and 3846 transitions. [2021-11-17 03:13:12,712 INFO L78 Accepts]: Start accepts. Automaton has 2620 states and 3846 transitions. Word has length 288 [2021-11-17 03:13:12,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:13:12,713 INFO L470 AbstractCegarLoop]: Abstraction has 2620 states and 3846 transitions. [2021-11-17 03:13:12,714 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 11.4) internal successors, (57), 2 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 2 states have return successors, (24), 2 states have call predecessors, (24), 2 states have call successors, (24) [2021-11-17 03:13:12,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 3846 transitions. [2021-11-17 03:13:12,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2021-11-17 03:13:12,722 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:13:12,723 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:13:12,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-11-17 03:13:12,723 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:13:12,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:13:12,724 INFO L85 PathProgramCache]: Analyzing trace with hash -299824110, now seen corresponding path program 1 times [2021-11-17 03:13:12,724 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:13:12,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1192053407] [2021-11-17 03:13:12,725 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:13:12,725 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:13:12,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:13:13,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,371 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:13,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:13:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,401 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,407 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:13:13,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,421 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,428 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,435 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:13:13,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,448 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,463 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:13:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,474 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,482 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:13,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,489 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:13:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,500 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,508 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:13,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,516 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:13:13,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,547 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,554 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:13:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,604 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 03:13:13,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,615 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 03:13:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,633 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,642 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 03:13:13,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,653 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,660 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 03:13:13,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,674 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,681 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 03:13:13,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,692 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,701 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 03:13:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,715 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,726 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 03:13:13,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,748 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 03:13:13,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,761 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,769 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 03:13:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,936 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 03:13:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,954 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,960 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 03:13:13,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,970 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,977 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 03:13:13,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,987 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:13,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:13,994 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 03:13:13,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:14,004 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:14,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:14,011 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 03:13:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:14,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:13:14,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:13:14,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2021-11-17 03:13:14,029 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:13:14,029 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1192053407] [2021-11-17 03:13:14,029 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1192053407] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:13:14,029 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:13:14,029 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 03:13:14,030 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741432435] [2021-11-17 03:13:14,030 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:13:14,031 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 03:13:14,031 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:13:14,031 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 03:13:14,031 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 03:13:14,032 INFO L87 Difference]: Start difference. First operand 2620 states and 3846 transitions. Second operand has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-11-17 03:13:16,218 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:18,340 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:20,466 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:26,686 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.75s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:28,782 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:32,634 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:37,367 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:39,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:41,439 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:44,231 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:48,441 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:13:50,586 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:13:52,828 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:55,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.21s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:13:57,301 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:13:59,454 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:14:02,288 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:14:05,383 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:07,525 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:09,795 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:17,543 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:19,579 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:27,198 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:32,309 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:35,067 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:37,514 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:40,108 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:42,709 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:44,775 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:46,817 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:51,623 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:53,239 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:54,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:56,897 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:14:59,438 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:03,522 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.11s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:06,297 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:08,272 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.39s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:10,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.88s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:11,424 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.28s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:14,768 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:15:16,913 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:19,118 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:21,339 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.22s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:15:23,491 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:15:29,093 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:31,253 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.16s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:36,598 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:15:39,058 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:15:42,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:44,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:55,387 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:15:56,509 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.07s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:01,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:03,348 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:16:04,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:16:04,179 INFO L93 Difference]: Finished difference Result 8883 states and 13249 transitions. [2021-11-17 03:16:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 03:16:04,180 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) Word has length 288 [2021-11-17 03:16:04,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:16:04,224 INFO L225 Difference]: With dead ends: 8883 [2021-11-17 03:16:04,224 INFO L226 Difference]: Without dead ends: 6314 [2021-11-17 03:16:04,240 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 100 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:16:04,242 INFO L933 BasicCegarLoop]: 3762 mSDtfsCounter, 8832 mSDsluCounter, 7679 mSDsCounter, 0 mSdLazyCounter, 5589 mSolverCounterSat, 3496 mSolverCounterUnsat, 42 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 161.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9146 SdHoareTripleChecker+Valid, 11441 SdHoareTripleChecker+Invalid, 9127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3496 IncrementalHoareTripleChecker+Valid, 5589 IncrementalHoareTripleChecker+Invalid, 42 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 169.2s IncrementalHoareTripleChecker+Time [2021-11-17 03:16:04,243 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [9146 Valid, 11441 Invalid, 9127 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3496 Valid, 5589 Invalid, 42 Unknown, 0 Unchecked, 169.2s Time] [2021-11-17 03:16:04,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6314 states. [2021-11-17 03:16:04,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6314 to 5290. [2021-11-17 03:16:04,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5290 states, 4094 states have (on average 1.4303859306301905) internal successors, (5856), 4156 states have internal predecessors, (5856), 932 states have call successors, (932), 238 states have call predecessors, (932), 263 states have return successors, (1017), 942 states have call predecessors, (1017), 930 states have call successors, (1017) [2021-11-17 03:16:04,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5290 states to 5290 states and 7805 transitions. [2021-11-17 03:16:04,522 INFO L78 Accepts]: Start accepts. Automaton has 5290 states and 7805 transitions. Word has length 288 [2021-11-17 03:16:04,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:16:04,525 INFO L470 AbstractCegarLoop]: Abstraction has 5290 states and 7805 transitions. [2021-11-17 03:16:04,525 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 9.5) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (25), 5 states have call predecessors, (25), 1 states have return successors, (24), 1 states have call predecessors, (24), 1 states have call successors, (24) [2021-11-17 03:16:04,526 INFO L276 IsEmpty]: Start isEmpty. Operand 5290 states and 7805 transitions. [2021-11-17 03:16:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2021-11-17 03:16:04,530 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:16:04,530 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:16:04,531 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-11-17 03:16:04,531 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:16:04,531 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:16:04,531 INFO L85 PathProgramCache]: Analyzing trace with hash -157228329, now seen corresponding path program 1 times [2021-11-17 03:16:04,532 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:16:04,532 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918634841] [2021-11-17 03:16:04,532 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:16:04,532 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:16:04,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,021 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:16:05,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,051 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,057 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:05,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,062 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:16:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,070 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,074 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,079 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:16:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,086 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,090 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:05,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,095 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:16:05,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,102 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,107 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:05,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,111 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:16:05,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,119 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,123 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:05,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,127 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:16:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,147 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,152 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:05,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,157 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:16:05,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,166 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,171 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:16:05,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,216 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 03:16:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,226 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,232 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 03:16:05,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,241 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,247 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 03:16:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,258 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,267 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 03:16:05,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,275 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,281 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 03:16:05,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,294 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 03:16:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,301 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,306 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 03:16:05,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,313 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 03:16:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,325 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,330 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 03:16:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 03:16:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,350 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 03:16:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,362 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,367 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 03:16:05,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,375 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,383 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 03:16:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 03:16:05,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,412 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:16:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,418 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 284 [2021-11-17 03:16:05,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:16:05,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1113 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1113 trivial. 0 not checked. [2021-11-17 03:16:05,423 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:16:05,423 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918634841] [2021-11-17 03:16:05,423 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918634841] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:16:05,424 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:16:05,424 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-11-17 03:16:05,424 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [809402284] [2021-11-17 03:16:05,424 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:16:05,424 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2021-11-17 03:16:05,425 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:16:05,425 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2021-11-17 03:16:05,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2021-11-17 03:16:05,426 INFO L87 Difference]: Start difference. First operand 5290 states and 7805 transitions. Second operand has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 03:16:07,578 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:09,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:11,865 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.14s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:14,821 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:16,463 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:19,158 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:21,191 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:27,567 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:29,645 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:33,488 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:37,602 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:39,670 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:42,476 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:46,147 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:48,341 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:50,536 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:16:52,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:16:54,944 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:16:57,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.20s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:16:59,022 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:03,066 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:17:07,129 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:09,429 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.30s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:11,599 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:14,763 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:16,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:19,080 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:21,492 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:23,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.31s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:29,758 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:31,792 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:33,819 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:40,144 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:41,241 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:43,534 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.78s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:17:57,146 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:00,978 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:06,085 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:11,140 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:14,078 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:17,303 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:19,079 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.71s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:22,781 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.62s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:27,373 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:18:30,469 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.90s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:32,677 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:33,477 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:18:33,477 INFO L93 Difference]: Finished difference Result 13744 states and 20312 transitions. [2021-11-17 03:18:33,478 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-11-17 03:18:33,478 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) Word has length 297 [2021-11-17 03:18:33,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:18:33,516 INFO L225 Difference]: With dead ends: 13744 [2021-11-17 03:18:33,517 INFO L226 Difference]: Without dead ends: 8505 [2021-11-17 03:18:33,534 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2021-11-17 03:18:33,535 INFO L933 BasicCegarLoop]: 3571 mSDtfsCounter, 4769 mSDsluCounter, 7546 mSDsCounter, 0 mSdLazyCounter, 4612 mSolverCounterSat, 2088 mSolverCounterUnsat, 37 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 139.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4914 SdHoareTripleChecker+Valid, 11117 SdHoareTripleChecker+Invalid, 6737 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2088 IncrementalHoareTripleChecker+Valid, 4612 IncrementalHoareTripleChecker+Invalid, 37 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 147.3s IncrementalHoareTripleChecker+Time [2021-11-17 03:18:33,535 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [4914 Valid, 11117 Invalid, 6737 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2088 Valid, 4612 Invalid, 37 Unknown, 0 Unchecked, 147.3s Time] [2021-11-17 03:18:33,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8505 states. [2021-11-17 03:18:33,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8505 to 7138. [2021-11-17 03:18:33,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7138 states, 5547 states have (on average 1.4274382549125653) internal successors, (7918), 5654 states have internal predecessors, (7918), 1203 states have call successors, (1203), 362 states have call predecessors, (1203), 387 states have return successors, (1287), 1192 states have call predecessors, (1287), 1201 states have call successors, (1287) [2021-11-17 03:18:33,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7138 states to 7138 states and 10408 transitions. [2021-11-17 03:18:33,748 INFO L78 Accepts]: Start accepts. Automaton has 7138 states and 10408 transitions. Word has length 297 [2021-11-17 03:18:33,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:18:33,749 INFO L470 AbstractCegarLoop]: Abstraction has 7138 states and 10408 transitions. [2021-11-17 03:18:33,750 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 10.333333333333334) internal successors, (62), 3 states have internal predecessors, (62), 2 states have call successors, (28), 5 states have call predecessors, (28), 1 states have return successors, (25), 2 states have call predecessors, (25), 2 states have call successors, (25) [2021-11-17 03:18:33,750 INFO L276 IsEmpty]: Start isEmpty. Operand 7138 states and 10408 transitions. [2021-11-17 03:18:33,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2021-11-17 03:18:33,754 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:18:33,754 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:18:33,754 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-11-17 03:18:33,754 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:18:33,755 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:18:33,755 INFO L85 PathProgramCache]: Analyzing trace with hash -1732666463, now seen corresponding path program 1 times [2021-11-17 03:18:33,755 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:18:33,755 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1243745627] [2021-11-17 03:18:33,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:18:33,755 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:18:33,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:18:34,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,352 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,358 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:34,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,364 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:18:34,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,384 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:34,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,390 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:18:34,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,403 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,409 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:34,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:18:34,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,425 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,430 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:18:34,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,459 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,464 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,469 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:18:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,487 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:34,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,495 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:18:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,505 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,513 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,573 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 03:18:34,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,583 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,589 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 03:18:34,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,599 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,607 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 03:18:34,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,616 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,622 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 03:18:34,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,631 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,636 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 03:18:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,648 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,654 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 03:18:34,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,664 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,670 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 03:18:34,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,680 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,686 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 03:18:34,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,696 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,702 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 03:18:34,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,714 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,720 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 03:18:34,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,732 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,738 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 03:18:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,749 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,755 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 03:18:34,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,766 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,772 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 03:18:34,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,783 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,789 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 03:18:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,801 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,859 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-17 03:18:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,887 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 03:18:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,914 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,921 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:34,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,928 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 03:18:34,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,940 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,946 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:18:34,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,952 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 03:18:34,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,964 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 03:18:34,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,976 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:18:34,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:18:34,983 INFO L134 CoverageAnalysis]: Checked inductivity of 1327 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1327 trivial. 0 not checked. [2021-11-17 03:18:34,983 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:18:34,983 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1243745627] [2021-11-17 03:18:34,984 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1243745627] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:18:34,984 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:18:34,984 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2021-11-17 03:18:34,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1022652439] [2021-11-17 03:18:34,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:18:34,984 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-11-17 03:18:34,984 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:18:34,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-11-17 03:18:34,985 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2021-11-17 03:18:34,985 INFO L87 Difference]: Start difference. First operand 7138 states and 10408 transitions. Second operand has 8 states, 8 states have (on average 9.875) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-17 03:18:37,164 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:39,290 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:41,418 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:45,676 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:47,511 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:49,182 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.64s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:18:51,237 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:03,236 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:07,560 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:09,648 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:15,805 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:18,030 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:19:20,054 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:19:23,920 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:26,194 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.27s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:29,901 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:31,980 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.08s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:34,023 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:36,437 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.41s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:39,696 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.51s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:43,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:45,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:48,133 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:50,099 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.97s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:51,764 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:53,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:56,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:19:59,972 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.08s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:03,868 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:08,252 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:10,531 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:12,507 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.25s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:15,225 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:17,343 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:19,685 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.09s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:20:21,619 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:22,674 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.05s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:24,929 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:27,197 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:32,169 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:20:34,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:20:34,313 INFO L93 Difference]: Finished difference Result 12978 states and 19002 transitions. [2021-11-17 03:20:34,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 03:20:34,314 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) Word has length 351 [2021-11-17 03:20:34,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:20:34,343 INFO L225 Difference]: With dead ends: 12978 [2021-11-17 03:20:34,343 INFO L226 Difference]: Without dead ends: 5891 [2021-11-17 03:20:34,364 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 131 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=45, Invalid=111, Unknown=0, NotChecked=0, Total=156 [2021-11-17 03:20:34,366 INFO L933 BasicCegarLoop]: 3664 mSDtfsCounter, 7486 mSDsluCounter, 8528 mSDsCounter, 0 mSdLazyCounter, 4546 mSolverCounterSat, 2750 mSolverCounterUnsat, 29 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 111.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7780 SdHoareTripleChecker+Valid, 12192 SdHoareTripleChecker+Invalid, 7325 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 2750 IncrementalHoareTripleChecker+Valid, 4546 IncrementalHoareTripleChecker+Invalid, 29 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 118.5s IncrementalHoareTripleChecker+Time [2021-11-17 03:20:34,367 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [7780 Valid, 12192 Invalid, 7325 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [2750 Valid, 4546 Invalid, 29 Unknown, 0 Unchecked, 118.5s Time] [2021-11-17 03:20:34,374 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5891 states. [2021-11-17 03:20:34,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5891 to 4525. [2021-11-17 03:20:34,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4525 states, 3514 states have (on average 1.4223107569721116) internal successors, (4998), 3593 states have internal predecessors, (4998), 754 states have call successors, (754), 257 states have call predecessors, (754), 256 states have return successors, (752), 720 states have call predecessors, (752), 752 states have call successors, (752) [2021-11-17 03:20:34,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4525 states to 4525 states and 6504 transitions. [2021-11-17 03:20:34,510 INFO L78 Accepts]: Start accepts. Automaton has 4525 states and 6504 transitions. Word has length 351 [2021-11-17 03:20:34,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:20:34,514 INFO L470 AbstractCegarLoop]: Abstraction has 4525 states and 6504 transitions. [2021-11-17 03:20:34,514 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 9.875) internal successors, (79), 4 states have internal predecessors, (79), 2 states have call successors, (31), 6 states have call predecessors, (31), 1 states have return successors, (30), 1 states have call predecessors, (30), 1 states have call successors, (30) [2021-11-17 03:20:34,514 INFO L276 IsEmpty]: Start isEmpty. Operand 4525 states and 6504 transitions. [2021-11-17 03:20:34,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 399 [2021-11-17 03:20:34,520 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:20:34,522 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:20:34,522 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-11-17 03:20:34,523 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:20:34,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:20:34,523 INFO L85 PathProgramCache]: Analyzing trace with hash 1147951150, now seen corresponding path program 1 times [2021-11-17 03:20:34,523 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:20:34,523 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236509701] [2021-11-17 03:20:34,523 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:20:34,524 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:20:34,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,168 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:20:35,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,202 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,208 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,212 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:20:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,221 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,225 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,229 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:20:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,312 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,318 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,322 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:20:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,332 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,337 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,342 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:20:35,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,351 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,355 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,359 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:20:35,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,368 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,372 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,378 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:20:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,394 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,399 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 03:20:35,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,466 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,470 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 03:20:35,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,488 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 03:20:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,503 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 03:20:35,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 03:20:35,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,529 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,533 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 03:20:35,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,544 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,549 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 03:20:35,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,559 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,564 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 03:20:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,575 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,580 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 03:20:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,591 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,601 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 03:20:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,612 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,617 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 03:20:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,627 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,634 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 03:20:35,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,656 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,661 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 03:20:35,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,673 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,678 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 03:20:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,690 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,741 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-17 03:20:35,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,753 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 03:20:35,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,763 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,767 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,774 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 03:20:35,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,786 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,791 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,796 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 03:20:35,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,806 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 03:20:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,815 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,820 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 03:20:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,831 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,835 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:20:35,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:20:35,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:20:35,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:20:35,863 INFO L134 CoverageAnalysis]: Checked inductivity of 1600 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1600 trivial. 0 not checked. [2021-11-17 03:20:35,863 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:20:35,863 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236509701] [2021-11-17 03:20:35,863 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236509701] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:20:35,863 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:20:35,863 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:20:35,864 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [939925229] [2021-11-17 03:20:35,864 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:20:35,864 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:20:35,865 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:20:35,865 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:20:35,865 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:20:35,865 INFO L87 Difference]: Start difference. First operand 4525 states and 6504 transitions. Second operand has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-17 03:20:38,021 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.15s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:40,148 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.12s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:43,457 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:45,549 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:55,471 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:20:59,961 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:02,037 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:04,848 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.41s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:06,889 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:09,727 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.06s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:12,382 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:14,617 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:21:19,675 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:21:22,572 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:25,091 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:29,493 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:35,847 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:37,965 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:42,312 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:43,816 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.50s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:45,882 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:47,952 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:54,113 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:21:56,135 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:02,563 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:22:04,822 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:08,650 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.26s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:10,718 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:12,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-11-17 03:22:12,940 INFO L93 Difference]: Finished difference Result 14060 states and 20769 transitions. [2021-11-17 03:22:12,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2021-11-17 03:22:12,941 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) Word has length 398 [2021-11-17 03:22:12,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-11-17 03:22:12,980 INFO L225 Difference]: With dead ends: 14060 [2021-11-17 03:22:12,981 INFO L226 Difference]: Without dead ends: 10476 [2021-11-17 03:22:12,994 INFO L932 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2021-11-17 03:22:12,995 INFO L933 BasicCegarLoop]: 3855 mSDtfsCounter, 12604 mSDsluCounter, 7021 mSDsCounter, 0 mSdLazyCounter, 4622 mSolverCounterSat, 5682 mSolverCounterUnsat, 23 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 90.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12980 SdHoareTripleChecker+Valid, 10876 SdHoareTripleChecker+Invalid, 10327 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 5682 IncrementalHoareTripleChecker+Valid, 4622 IncrementalHoareTripleChecker+Invalid, 23 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 96.2s IncrementalHoareTripleChecker+Time [2021-11-17 03:22:12,995 INFO L934 BasicCegarLoop]: SdHoareTripleChecker [12980 Valid, 10876 Invalid, 10327 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [5682 Valid, 4622 Invalid, 23 Unknown, 0 Unchecked, 96.2s Time] [2021-11-17 03:22:13,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10476 states. [2021-11-17 03:22:13,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10476 to 8224. [2021-11-17 03:22:13,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8224 states, 6379 states have (on average 1.42389089198934) internal successors, (9083), 6521 states have internal predecessors, (9083), 1374 states have call successors, (1374), 444 states have call predecessors, (1374), 470 states have return successors, (1485), 1340 states have call predecessors, (1485), 1372 states have call successors, (1485) [2021-11-17 03:22:13,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8224 states to 8224 states and 11942 transitions. [2021-11-17 03:22:13,274 INFO L78 Accepts]: Start accepts. Automaton has 8224 states and 11942 transitions. Word has length 398 [2021-11-17 03:22:13,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-11-17 03:22:13,274 INFO L470 AbstractCegarLoop]: Abstraction has 8224 states and 11942 transitions. [2021-11-17 03:22:13,274 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 12.857142857142858) internal successors, (90), 3 states have internal predecessors, (90), 3 states have call successors, (33), 6 states have call predecessors, (33), 1 states have return successors, (32), 2 states have call predecessors, (32), 2 states have call successors, (32) [2021-11-17 03:22:13,275 INFO L276 IsEmpty]: Start isEmpty. Operand 8224 states and 11942 transitions. [2021-11-17 03:22:13,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-11-17 03:22:13,283 INFO L506 BasicCegarLoop]: Found error trace [2021-11-17 03:22:13,283 INFO L514 BasicCegarLoop]: trace histogram [14, 14, 14, 14, 14, 14, 14, 14, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-11-17 03:22:13,283 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-11-17 03:22:13,283 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-11-17 03:22:13,284 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-17 03:22:13,284 INFO L85 PathProgramCache]: Analyzing trace with hash 173241915, now seen corresponding path program 1 times [2021-11-17 03:22:13,284 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-17 03:22:13,284 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1096077457] [2021-11-17 03:22:13,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-17 03:22:13,284 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-17 03:22:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,792 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2021-11-17 03:22:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,829 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,836 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:13,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,840 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2021-11-17 03:22:13,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,848 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:13,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,853 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:13,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,858 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2021-11-17 03:22:13,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,866 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:13,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,872 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:13,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,888 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2021-11-17 03:22:13,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,896 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:13,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,900 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:13,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,904 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 66 [2021-11-17 03:22:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,912 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:13,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,917 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:13,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,923 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2021-11-17 03:22:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,933 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:13,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,939 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:13,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,944 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2021-11-17 03:22:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,953 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:13,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:13,958 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:13,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,016 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 115 [2021-11-17 03:22:14,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,025 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,030 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2021-11-17 03:22:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,039 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,044 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 137 [2021-11-17 03:22:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,053 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,058 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2021-11-17 03:22:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,184 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,204 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2021-11-17 03:22:14,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,211 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,219 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 170 [2021-11-17 03:22:14,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,228 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,234 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 181 [2021-11-17 03:22:14,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,252 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,257 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 192 [2021-11-17 03:22:14,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,270 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,276 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 203 [2021-11-17 03:22:14,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,284 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,289 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2021-11-17 03:22:14,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,297 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,302 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 225 [2021-11-17 03:22:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,310 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,315 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 236 [2021-11-17 03:22:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,323 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,328 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 247 [2021-11-17 03:22:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,336 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,340 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 258 [2021-11-17 03:22:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,349 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,406 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2021-11-17 03:22:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,415 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 289 [2021-11-17 03:22:14,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,427 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,432 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,436 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 305 [2021-11-17 03:22:14,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,446 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,450 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,455 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 325 [2021-11-17 03:22:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,465 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 332 [2021-11-17 03:22:14,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,476 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,481 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 346 [2021-11-17 03:22:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,492 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,497 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:14,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,502 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 362 [2021-11-17 03:22:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,514 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2021-11-17 03:22:14,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,519 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2021-11-17 03:22:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,523 INFO L376 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 394 [2021-11-17 03:22:14,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-17 03:22:14,528 INFO L134 CoverageAnalysis]: Checked inductivity of 1596 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1593 trivial. 0 not checked. [2021-11-17 03:22:14,528 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-11-17 03:22:14,528 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1096077457] [2021-11-17 03:22:14,528 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1096077457] provided 1 perfect and 0 imperfect interpolant sequences [2021-11-17 03:22:14,528 INFO L186 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2021-11-17 03:22:14,528 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2021-11-17 03:22:14,529 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1532725566] [2021-11-17 03:22:14,529 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2021-11-17 03:22:14,530 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-11-17 03:22:14,530 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-11-17 03:22:14,530 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-11-17 03:22:14,530 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-11-17 03:22:14,531 INFO L87 Difference]: Start difference. First operand 8224 states and 11942 transitions. Second operand has 7 states, 7 states have (on average 14.428571428571429) internal successors, (101), 3 states have internal predecessors, (101), 3 states have call successors, (36), 6 states have call predecessors, (36), 1 states have return successors, (33), 3 states have call predecessors, (33), 3 states have call successors, (33) [2021-11-17 03:22:16,702 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.17s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:18,953 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.25s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:21,143 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.19s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:25,723 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:29,295 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:31,351 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:44,330 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:48,653 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:55,124 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:22:58,860 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:04,151 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:06,981 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:13,697 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:15,798 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.10s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:18,551 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:21,325 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.77s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:24,336 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:27,856 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.52s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:33,060 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:35,425 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.36s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:38,748 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 3.32s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:40,464 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.72s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:44,643 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:46,824 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.18s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:49,050 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:23:54,699 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:23:56,820 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:00,810 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:02,858 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.05s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:09,606 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:12,402 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:14,470 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:17,905 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.77s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:21,409 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.42s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:23,170 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:25,720 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.40s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:29,364 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:33,707 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:41,689 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.03s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:43,992 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.00s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:45,767 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.35s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:24:48,212 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.86s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:51,644 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=true, quantifiers [] [2021-11-17 03:24:56,304 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:24:58,371 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.07s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:25:00,557 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.43s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:25:03,268 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.02s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:25:05,609 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.60s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:25:08,160 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.73s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:25:11,851 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.68s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:25:13,912 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.06s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:25:16,448 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.93s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2021-11-17 03:25:25,354 WARN L515 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.04s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] Killed by 15