/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata ./data -tc config/AutomizerReach.xml -s config/svcomp-Reach-64bit-Automizer_Default.epf -i ../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.2.1-dev-4f750a8 [2020-12-22 12:53:50,176 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-12-22 12:53:50,180 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-12-22 12:53:50,238 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-12-22 12:53:50,239 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-12-22 12:53:50,243 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-12-22 12:53:50,246 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-12-22 12:53:50,269 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-12-22 12:53:50,273 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-12-22 12:53:50,279 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-12-22 12:53:50,281 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-12-22 12:53:50,282 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-12-22 12:53:50,283 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-12-22 12:53:50,286 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-12-22 12:53:50,288 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-12-22 12:53:50,290 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-12-22 12:53:50,291 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-12-22 12:53:50,294 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-12-22 12:53:50,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-12-22 12:53:50,308 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-12-22 12:53:50,310 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-12-22 12:53:50,312 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-12-22 12:53:50,314 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-12-22 12:53:50,316 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-12-22 12:53:50,325 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-12-22 12:53:50,326 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-12-22 12:53:50,326 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-12-22 12:53:50,329 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-12-22 12:53:50,330 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-12-22 12:53:50,331 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-12-22 12:53:50,331 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-12-22 12:53:50,332 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-12-22 12:53:50,334 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-12-22 12:53:50,335 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-12-22 12:53:50,336 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-12-22 12:53:50,337 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-12-22 12:53:50,338 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-12-22 12:53:50,338 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-12-22 12:53:50,338 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-12-22 12:53:50,339 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-12-22 12:53:50,340 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-12-22 12:53:50,341 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-64bit-Automizer_Default.epf [2020-12-22 12:53:50,393 INFO L113 SettingsManager]: Loading preferences was successful [2020-12-22 12:53:50,393 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-12-22 12:53:50,397 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-12-22 12:53:50,398 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-12-22 12:53:50,398 INFO L138 SettingsManager]: * Use SBE=true [2020-12-22 12:53:50,398 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-12-22 12:53:50,398 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-12-22 12:53:50,399 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-12-22 12:53:50,399 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-12-22 12:53:50,399 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-12-22 12:53:50,401 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-12-22 12:53:50,401 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-12-22 12:53:50,401 INFO L138 SettingsManager]: * Use constant arrays=true [2020-12-22 12:53:50,401 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-12-22 12:53:50,401 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-12-22 12:53:50,402 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-12-22 12:53:50,402 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-12-22 12:53:50,402 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 12:53:50,402 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-12-22 12:53:50,403 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-12-22 12:53:50,403 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-12-22 12:53:50,403 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-12-22 12:53:50,404 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-12-22 12:53:50,404 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-12-22 12:53:50,404 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-12-22 12:53:50,404 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release [2020-12-22 12:53:50,895 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-12-22 12:53:50,940 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-12-22 12:53:50,943 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-12-22 12:53:50,945 INFO L271 PluginConnector]: Initializing CDTParser... [2020-12-22 12:53:50,945 INFO L275 PluginConnector]: CDTParser initialized [2020-12-22 12:53:50,946 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2020-12-22 12:53:51,027 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063341a1c/6fb24d3102ff420097d816da9090c7f5/FLAG0aa80d307 [2020-12-22 12:53:52,123 INFO L306 CDTParser]: Found 1 translation units. [2020-12-22 12:53:52,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2020-12-22 12:53:52,178 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063341a1c/6fb24d3102ff420097d816da9090c7f5/FLAG0aa80d307 [2020-12-22 12:53:52,603 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/063341a1c/6fb24d3102ff420097d816da9090c7f5 [2020-12-22 12:53:52,606 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-12-22 12:53:52,608 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-12-22 12:53:52,610 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-12-22 12:53:52,610 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-12-22 12:53:52,614 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-12-22 12:53:52,615 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:53:52" (1/1) ... [2020-12-22 12:53:52,616 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4f6f9ff8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:52, skipping insertion in model container [2020-12-22 12:53:52,616 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.12 12:53:52" (1/1) ... [2020-12-22 12:53:52,624 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-12-22 12:53:52,835 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-12-22 12:53:55,467 WARN L226 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2020-12-22 12:53:55,622 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 12:53:55,653 INFO L203 MainTranslator]: Completed pre-run [2020-12-22 12:53:56,059 WARN L226 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-consumption/32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i[276778,276791] [2020-12-22 12:53:56,074 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-12-22 12:53:56,712 INFO L208 MainTranslator]: Completed translation [2020-12-22 12:53:56,713 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56 WrapperNode [2020-12-22 12:53:56,713 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-12-22 12:53:56,716 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-12-22 12:53:56,716 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-12-22 12:53:56,716 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-12-22 12:53:56,725 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (1/1) ... [2020-12-22 12:53:56,876 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (1/1) ... [2020-12-22 12:53:57,463 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-12-22 12:53:57,464 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-12-22 12:53:57,464 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-12-22 12:53:57,464 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-12-22 12:53:57,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (1/1) ... [2020-12-22 12:53:57,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (1/1) ... [2020-12-22 12:53:57,573 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (1/1) ... [2020-12-22 12:53:57,574 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (1/1) ... [2020-12-22 12:53:58,289 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (1/1) ... [2020-12-22 12:53:58,405 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (1/1) ... [2020-12-22 12:53:58,481 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (1/1) ... [2020-12-22 12:53:58,587 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-12-22 12:53:58,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-12-22 12:53:58,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-12-22 12:53:58,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-12-22 12:53:58,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-12-22 12:53:58,695 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_register [2020-12-22 12:53:58,696 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_register [2020-12-22 12:53:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure strncmp [2020-12-22 12:53:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-12-22 12:53:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-12-22 12:53:58,697 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-12-22 12:53:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-12-22 12:53:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-12-22 12:53:58,698 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-12-22 12:53:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-12-22 12:53:58,699 INFO L130 BoogieDeclarations]: Found specification of procedure node_remove [2020-12-22 12:53:58,700 INFO L138 BoogieDeclarations]: Found implementation of procedure node_remove [2020-12-22 12:53:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-12-22 12:53:58,700 INFO L130 BoogieDeclarations]: Found specification of procedure fdtv_dvb_unregister [2020-12-22 12:53:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure fdtv_dvb_unregister [2020-12-22 12:53:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-12-22 12:53:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-12-22 12:53:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-12-22 12:53:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-12-22 12:53:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-12-22 12:53:58,701 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-12-22 12:53:58,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-12-22 12:53:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure node_probe [2020-12-22 12:53:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure node_probe [2020-12-22 12:53:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-12-22 12:53:58,702 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-12-22 12:53:58,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-12-22 12:55:22,552 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-12-22 12:55:22,552 INFO L299 CfgBuilder]: Removed 2901 assume(true) statements. [2020-12-22 12:55:22,559 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:55:22 BoogieIcfgContainer [2020-12-22 12:55:22,559 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-12-22 12:55:22,561 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-12-22 12:55:22,561 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-12-22 12:55:22,564 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-12-22 12:55:22,564 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.12 12:53:52" (1/3) ... [2020-12-22 12:55:22,565 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3560da46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 12:55:22, skipping insertion in model container [2020-12-22 12:55:22,565 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.12 12:53:56" (2/3) ... [2020-12-22 12:55:22,566 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3560da46 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.12 12:55:22, skipping insertion in model container [2020-12-22 12:55:22,566 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.12 12:55:22" (3/3) ... [2020-12-22 12:55:22,567 INFO L111 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--media--firewire--firedtv.ko-main.cil.out.i [2020-12-22 12:55:22,574 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-12-22 12:55:22,582 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 83 error locations. [2020-12-22 12:55:22,602 INFO L253 AbstractCegarLoop]: Starting to check reachability of 83 error locations. [2020-12-22 12:55:22,643 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-12-22 12:55:22,643 INFO L378 AbstractCegarLoop]: Hoare is true [2020-12-22 12:55:22,643 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-12-22 12:55:22,643 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-12-22 12:55:22,644 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-12-22 12:55:22,644 INFO L382 AbstractCegarLoop]: Difference is false [2020-12-22 12:55:22,644 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-12-22 12:55:22,644 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-12-22 12:55:22,736 INFO L276 IsEmpty]: Start isEmpty. Operand 4974 states. [2020-12-22 12:55:22,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 12:55:22,743 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:22,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:55:22,745 INFO L429 AbstractCegarLoop]: === Iteration 1 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:22,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:22,751 INFO L82 PathProgramCache]: Analyzing trace with hash -309315328, now seen corresponding path program 1 times [2020-12-22 12:55:22,761 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:22,761 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348564690] [2020-12-22 12:55:22,761 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:23,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:55:23,461 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [348564690] [2020-12-22 12:55:23,462 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:23,462 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:55:23,463 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1062598791] [2020-12-22 12:55:23,468 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:55:23,469 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:23,484 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:55:23,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:23,487 INFO L87 Difference]: Start difference. First operand 4974 states. Second operand 3 states. [2020-12-22 12:55:26,132 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:55:26,132 INFO L93 Difference]: Finished difference Result 14887 states and 21753 transitions. [2020-12-22 12:55:26,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:55:26,134 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-12-22 12:55:26,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:55:26,210 INFO L225 Difference]: With dead ends: 14887 [2020-12-22 12:55:26,211 INFO L226 Difference]: Without dead ends: 9910 [2020-12-22 12:55:26,249 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:26,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9910 states. [2020-12-22 12:55:26,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9910 to 9754. [2020-12-22 12:55:26,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9754 states. [2020-12-22 12:55:26,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9754 states to 9754 states and 14212 transitions. [2020-12-22 12:55:26,668 INFO L78 Accepts]: Start accepts. Automaton has 9754 states and 14212 transitions. Word has length 14 [2020-12-22 12:55:26,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:55:26,668 INFO L481 AbstractCegarLoop]: Abstraction has 9754 states and 14212 transitions. [2020-12-22 12:55:26,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:55:26,668 INFO L276 IsEmpty]: Start isEmpty. Operand 9754 states and 14212 transitions. [2020-12-22 12:55:26,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-12-22 12:55:26,675 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:26,675 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:55:26,676 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-12-22 12:55:26,676 INFO L429 AbstractCegarLoop]: === Iteration 2 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:26,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:26,678 INFO L82 PathProgramCache]: Analyzing trace with hash -2070326368, now seen corresponding path program 1 times [2020-12-22 12:55:26,679 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:26,679 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [90372225] [2020-12-22 12:55:26,679 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:26,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:26,937 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:55:26,939 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [90372225] [2020-12-22 12:55:26,939 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:26,939 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:55:26,939 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272430864] [2020-12-22 12:55:26,941 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:55:26,941 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:26,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:55:26,943 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:26,943 INFO L87 Difference]: Start difference. First operand 9754 states and 14212 transitions. Second operand 3 states. [2020-12-22 12:55:27,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:55:27,464 INFO L93 Difference]: Finished difference Result 27276 states and 39708 transitions. [2020-12-22 12:55:27,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:55:27,466 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2020-12-22 12:55:27,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:55:27,580 INFO L225 Difference]: With dead ends: 27276 [2020-12-22 12:55:27,581 INFO L226 Difference]: Without dead ends: 17525 [2020-12-22 12:55:27,613 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:27,641 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17525 states. [2020-12-22 12:55:28,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17525 to 17388. [2020-12-22 12:55:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17388 states. [2020-12-22 12:55:28,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17388 states to 17388 states and 25421 transitions. [2020-12-22 12:55:28,753 INFO L78 Accepts]: Start accepts. Automaton has 17388 states and 25421 transitions. Word has length 14 [2020-12-22 12:55:28,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:55:28,754 INFO L481 AbstractCegarLoop]: Abstraction has 17388 states and 25421 transitions. [2020-12-22 12:55:28,754 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:55:28,754 INFO L276 IsEmpty]: Start isEmpty. Operand 17388 states and 25421 transitions. [2020-12-22 12:55:28,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2020-12-22 12:55:28,761 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:28,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:55:28,761 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-12-22 12:55:28,762 INFO L429 AbstractCegarLoop]: === Iteration 3 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:28,764 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:28,765 INFO L82 PathProgramCache]: Analyzing trace with hash 805360743, now seen corresponding path program 1 times [2020-12-22 12:55:28,765 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:28,769 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [629011007] [2020-12-22 12:55:28,770 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:28,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:28,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:55:28,992 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [629011007] [2020-12-22 12:55:28,992 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:28,992 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:55:28,993 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1604146265] [2020-12-22 12:55:28,993 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:55:28,993 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:28,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:55:28,994 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:28,994 INFO L87 Difference]: Start difference. First operand 17388 states and 25421 transitions. Second operand 3 states. [2020-12-22 12:55:31,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:55:31,903 INFO L93 Difference]: Finished difference Result 17388 states and 25421 transitions. [2020-12-22 12:55:31,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:55:31,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2020-12-22 12:55:31,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:55:31,951 INFO L225 Difference]: With dead ends: 17388 [2020-12-22 12:55:31,951 INFO L226 Difference]: Without dead ends: 17312 [2020-12-22 12:55:31,960 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:31,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17312 states. [2020-12-22 12:55:32,443 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17312 to 17312. [2020-12-22 12:55:32,443 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17312 states. [2020-12-22 12:55:32,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17312 states to 17312 states and 25252 transitions. [2020-12-22 12:55:32,500 INFO L78 Accepts]: Start accepts. Automaton has 17312 states and 25252 transitions. Word has length 17 [2020-12-22 12:55:32,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:55:32,500 INFO L481 AbstractCegarLoop]: Abstraction has 17312 states and 25252 transitions. [2020-12-22 12:55:32,501 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:55:32,501 INFO L276 IsEmpty]: Start isEmpty. Operand 17312 states and 25252 transitions. [2020-12-22 12:55:32,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2020-12-22 12:55:32,502 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:32,502 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:55:32,502 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-12-22 12:55:32,503 INFO L429 AbstractCegarLoop]: === Iteration 4 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:32,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:32,503 INFO L82 PathProgramCache]: Analyzing trace with hash -803608067, now seen corresponding path program 1 times [2020-12-22 12:55:32,504 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:32,504 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1184154200] [2020-12-22 12:55:32,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:32,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:32,823 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:55:32,827 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1184154200] [2020-12-22 12:55:32,827 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:32,827 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:55:32,828 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797431672] [2020-12-22 12:55:32,828 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:55:32,828 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:32,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:55:32,829 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:32,829 INFO L87 Difference]: Start difference. First operand 17312 states and 25252 transitions. Second operand 3 states. [2020-12-22 12:55:35,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:55:35,202 INFO L93 Difference]: Finished difference Result 17312 states and 25252 transitions. [2020-12-22 12:55:35,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:55:35,203 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 18 [2020-12-22 12:55:35,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:55:35,249 INFO L225 Difference]: With dead ends: 17312 [2020-12-22 12:55:35,249 INFO L226 Difference]: Without dead ends: 17310 [2020-12-22 12:55:35,258 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:35,284 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17310 states. [2020-12-22 12:55:35,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17310 to 17310. [2020-12-22 12:55:35,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17310 states. [2020-12-22 12:55:35,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17310 states to 17310 states and 25250 transitions. [2020-12-22 12:55:35,952 INFO L78 Accepts]: Start accepts. Automaton has 17310 states and 25250 transitions. Word has length 18 [2020-12-22 12:55:35,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:55:35,953 INFO L481 AbstractCegarLoop]: Abstraction has 17310 states and 25250 transitions. [2020-12-22 12:55:35,953 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:55:35,953 INFO L276 IsEmpty]: Start isEmpty. Operand 17310 states and 25250 transitions. [2020-12-22 12:55:35,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2020-12-22 12:55:35,954 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:35,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:55:35,955 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-12-22 12:55:35,956 INFO L429 AbstractCegarLoop]: === Iteration 5 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:35,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:35,956 INFO L82 PathProgramCache]: Analyzing trace with hash 857966385, now seen corresponding path program 1 times [2020-12-22 12:55:35,957 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:35,958 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449911902] [2020-12-22 12:55:35,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:36,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:36,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:55:36,191 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449911902] [2020-12-22 12:55:36,191 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:36,191 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:55:36,191 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [970888084] [2020-12-22 12:55:36,192 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:55:36,192 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:36,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:55:36,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:36,194 INFO L87 Difference]: Start difference. First operand 17310 states and 25250 transitions. Second operand 3 states. [2020-12-22 12:55:39,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:55:39,310 INFO L93 Difference]: Finished difference Result 51872 states and 75816 transitions. [2020-12-22 12:55:39,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:55:39,311 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 19 [2020-12-22 12:55:39,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:55:39,423 INFO L225 Difference]: With dead ends: 51872 [2020-12-22 12:55:39,423 INFO L226 Difference]: Without dead ends: 34565 [2020-12-22 12:55:39,490 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:39,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34565 states. [2020-12-22 12:55:40,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34565 to 33431. [2020-12-22 12:55:40,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33431 states. [2020-12-22 12:55:40,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33431 states to 33431 states and 48892 transitions. [2020-12-22 12:55:40,706 INFO L78 Accepts]: Start accepts. Automaton has 33431 states and 48892 transitions. Word has length 19 [2020-12-22 12:55:40,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:55:40,707 INFO L481 AbstractCegarLoop]: Abstraction has 33431 states and 48892 transitions. [2020-12-22 12:55:40,707 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:55:40,707 INFO L276 IsEmpty]: Start isEmpty. Operand 33431 states and 48892 transitions. [2020-12-22 12:55:40,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-12-22 12:55:40,708 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:40,708 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:55:40,709 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-12-22 12:55:40,709 INFO L429 AbstractCegarLoop]: === Iteration 6 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:40,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:40,710 INFO L82 PathProgramCache]: Analyzing trace with hash 827166855, now seen corresponding path program 1 times [2020-12-22 12:55:40,710 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:40,710 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283533281] [2020-12-22 12:55:40,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:40,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:40,914 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:55:40,915 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283533281] [2020-12-22 12:55:40,915 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:40,915 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:55:40,916 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388363653] [2020-12-22 12:55:40,917 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:55:40,917 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:40,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:55:40,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:40,919 INFO L87 Difference]: Start difference. First operand 33431 states and 48892 transitions. Second operand 3 states. [2020-12-22 12:55:43,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:55:43,816 INFO L93 Difference]: Finished difference Result 33431 states and 48892 transitions. [2020-12-22 12:55:43,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:55:43,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2020-12-22 12:55:43,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:55:43,910 INFO L225 Difference]: With dead ends: 33431 [2020-12-22 12:55:43,911 INFO L226 Difference]: Without dead ends: 33429 [2020-12-22 12:55:43,923 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:43,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33429 states. [2020-12-22 12:55:45,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33429 to 33429. [2020-12-22 12:55:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33429 states. [2020-12-22 12:55:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33429 states to 33429 states and 48890 transitions. [2020-12-22 12:55:45,197 INFO L78 Accepts]: Start accepts. Automaton has 33429 states and 48890 transitions. Word has length 20 [2020-12-22 12:55:45,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:55:45,198 INFO L481 AbstractCegarLoop]: Abstraction has 33429 states and 48890 transitions. [2020-12-22 12:55:45,198 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:55:45,198 INFO L276 IsEmpty]: Start isEmpty. Operand 33429 states and 48890 transitions. [2020-12-22 12:55:45,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2020-12-22 12:55:45,199 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:45,200 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:55:45,200 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-12-22 12:55:45,201 INFO L429 AbstractCegarLoop]: === Iteration 7 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:45,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:45,201 INFO L82 PathProgramCache]: Analyzing trace with hash -127618565, now seen corresponding path program 1 times [2020-12-22 12:55:45,202 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:45,202 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907221264] [2020-12-22 12:55:45,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:45,539 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:55:45,539 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1907221264] [2020-12-22 12:55:45,540 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:45,540 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:55:45,541 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235564148] [2020-12-22 12:55:45,541 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:55:45,541 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:45,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:55:45,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:45,552 INFO L87 Difference]: Start difference. First operand 33429 states and 48890 transitions. Second operand 3 states. [2020-12-22 12:55:48,118 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:55:48,118 INFO L93 Difference]: Finished difference Result 33429 states and 48890 transitions. [2020-12-22 12:55:48,148 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:55:48,148 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 21 [2020-12-22 12:55:48,149 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:55:48,229 INFO L225 Difference]: With dead ends: 33429 [2020-12-22 12:55:48,230 INFO L226 Difference]: Without dead ends: 33420 [2020-12-22 12:55:48,239 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:48,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33420 states. [2020-12-22 12:55:49,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33420 to 33420. [2020-12-22 12:55:49,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33420 states. [2020-12-22 12:55:49,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33420 states to 33420 states and 48877 transitions. [2020-12-22 12:55:49,507 INFO L78 Accepts]: Start accepts. Automaton has 33420 states and 48877 transitions. Word has length 21 [2020-12-22 12:55:49,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:55:49,508 INFO L481 AbstractCegarLoop]: Abstraction has 33420 states and 48877 transitions. [2020-12-22 12:55:49,508 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:55:49,508 INFO L276 IsEmpty]: Start isEmpty. Operand 33420 states and 48877 transitions. [2020-12-22 12:55:49,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-12-22 12:55:49,510 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:49,510 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 12:55:49,511 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-12-22 12:55:49,511 INFO L429 AbstractCegarLoop]: === Iteration 8 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:49,512 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:49,512 INFO L82 PathProgramCache]: Analyzing trace with hash 1081299637, now seen corresponding path program 1 times [2020-12-22 12:55:49,512 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:49,512 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1329465275] [2020-12-22 12:55:49,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:49,679 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 12:55:49,680 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1329465275] [2020-12-22 12:55:49,680 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:49,680 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:55:49,680 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458078067] [2020-12-22 12:55:49,681 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:55:49,681 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:49,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:55:49,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:49,682 INFO L87 Difference]: Start difference. First operand 33420 states and 48877 transitions. Second operand 3 states. [2020-12-22 12:55:50,984 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:55:50,984 INFO L93 Difference]: Finished difference Result 73226 states and 107066 transitions. [2020-12-22 12:55:50,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:55:50,985 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 34 [2020-12-22 12:55:50,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:55:51,096 INFO L225 Difference]: With dead ends: 73226 [2020-12-22 12:55:51,097 INFO L226 Difference]: Without dead ends: 39809 [2020-12-22 12:55:51,329 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:51,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39809 states. [2020-12-22 12:55:52,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39809 to 33456. [2020-12-22 12:55:52,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 33456 states. [2020-12-22 12:55:52,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33456 states to 33456 states and 48913 transitions. [2020-12-22 12:55:52,688 INFO L78 Accepts]: Start accepts. Automaton has 33456 states and 48913 transitions. Word has length 34 [2020-12-22 12:55:52,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:55:52,688 INFO L481 AbstractCegarLoop]: Abstraction has 33456 states and 48913 transitions. [2020-12-22 12:55:52,689 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:55:52,689 INFO L276 IsEmpty]: Start isEmpty. Operand 33456 states and 48913 transitions. [2020-12-22 12:55:52,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-12-22 12:55:52,693 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:52,693 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-12-22 12:55:52,693 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-12-22 12:55:52,694 INFO L429 AbstractCegarLoop]: === Iteration 9 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:52,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:52,695 INFO L82 PathProgramCache]: Analyzing trace with hash -120764988, now seen corresponding path program 1 times [2020-12-22 12:55:52,695 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:52,695 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [612253024] [2020-12-22 12:55:52,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:52,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:52,848 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:55:52,849 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [612253024] [2020-12-22 12:55:52,849 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:52,849 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:55:52,850 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830558808] [2020-12-22 12:55:52,850 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:55:52,850 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:52,851 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:55:52,851 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:52,851 INFO L87 Difference]: Start difference. First operand 33456 states and 48913 transitions. Second operand 3 states. [2020-12-22 12:55:54,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:55:54,025 INFO L93 Difference]: Finished difference Result 72154 states and 105682 transitions. [2020-12-22 12:55:54,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:55:54,027 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-12-22 12:55:54,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:55:54,113 INFO L225 Difference]: With dead ends: 72154 [2020-12-22 12:55:54,113 INFO L226 Difference]: Without dead ends: 38701 [2020-12-22 12:55:54,187 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:55:54,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38701 states. [2020-12-22 12:55:55,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38701 to 38676. [2020-12-22 12:55:55,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 38676 states. [2020-12-22 12:55:55,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 38676 states to 38676 states and 56749 transitions. [2020-12-22 12:55:55,610 INFO L78 Accepts]: Start accepts. Automaton has 38676 states and 56749 transitions. Word has length 46 [2020-12-22 12:55:55,610 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:55:55,610 INFO L481 AbstractCegarLoop]: Abstraction has 38676 states and 56749 transitions. [2020-12-22 12:55:55,610 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:55:55,610 INFO L276 IsEmpty]: Start isEmpty. Operand 38676 states and 56749 transitions. [2020-12-22 12:55:55,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-12-22 12:55:55,615 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:55,615 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 12:55:55,615 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-12-22 12:55:55,616 INFO L429 AbstractCegarLoop]: === Iteration 10 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:55,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:55,616 INFO L82 PathProgramCache]: Analyzing trace with hash 434945564, now seen corresponding path program 1 times [2020-12-22 12:55:55,616 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:55,617 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1355761638] [2020-12-22 12:55:55,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:55,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:55,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 12:55:55,879 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1355761638] [2020-12-22 12:55:55,879 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:55,880 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:55:55,880 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485081705] [2020-12-22 12:55:55,880 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 12:55:55,880 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:55,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 12:55:55,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 12:55:55,881 INFO L87 Difference]: Start difference. First operand 38676 states and 56749 transitions. Second operand 4 states. [2020-12-22 12:55:57,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:55:57,098 INFO L93 Difference]: Finished difference Result 76611 states and 112406 transitions. [2020-12-22 12:55:57,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 12:55:57,099 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 45 [2020-12-22 12:55:57,099 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:55:57,157 INFO L225 Difference]: With dead ends: 76611 [2020-12-22 12:55:57,157 INFO L226 Difference]: Without dead ends: 37938 [2020-12-22 12:55:57,226 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-12-22 12:55:57,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37938 states. [2020-12-22 12:55:58,476 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37938 to 37930. [2020-12-22 12:55:58,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37930 states. [2020-12-22 12:55:58,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37930 states to 37930 states and 55644 transitions. [2020-12-22 12:55:58,567 INFO L78 Accepts]: Start accepts. Automaton has 37930 states and 55644 transitions. Word has length 45 [2020-12-22 12:55:58,568 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:55:58,568 INFO L481 AbstractCegarLoop]: Abstraction has 37930 states and 55644 transitions. [2020-12-22 12:55:58,568 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 12:55:58,568 INFO L276 IsEmpty]: Start isEmpty. Operand 37930 states and 55644 transitions. [2020-12-22 12:55:58,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-12-22 12:55:58,574 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:55:58,574 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 12:55:58,574 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-12-22 12:55:58,579 INFO L429 AbstractCegarLoop]: === Iteration 11 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:55:58,579 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:55:58,580 INFO L82 PathProgramCache]: Analyzing trace with hash -788174428, now seen corresponding path program 1 times [2020-12-22 12:55:58,580 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:55:58,580 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467715642] [2020-12-22 12:55:58,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:55:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:55:58,837 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 12:55:58,837 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467715642] [2020-12-22 12:55:58,837 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:55:58,837 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 12:55:58,838 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [535719927] [2020-12-22 12:55:58,839 INFO L461 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-12-22 12:55:58,839 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:55:58,841 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-12-22 12:55:58,841 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 12:55:58,841 INFO L87 Difference]: Start difference. First operand 37930 states and 55644 transitions. Second operand 5 states. [2020-12-22 12:56:00,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:56:00,355 INFO L93 Difference]: Finished difference Result 73506 states and 107796 transitions. [2020-12-22 12:56:00,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-12-22 12:56:00,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-12-22 12:56:00,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:56:00,426 INFO L225 Difference]: With dead ends: 73506 [2020-12-22 12:56:00,426 INFO L226 Difference]: Without dead ends: 35579 [2020-12-22 12:56:00,482 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-12-22 12:56:00,509 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35579 states. [2020-12-22 12:56:01,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35579 to 31724. [2020-12-22 12:56:01,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31724 states. [2020-12-22 12:56:01,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31724 states to 31724 states and 46461 transitions. [2020-12-22 12:56:01,522 INFO L78 Accepts]: Start accepts. Automaton has 31724 states and 46461 transitions. Word has length 52 [2020-12-22 12:56:01,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:56:01,522 INFO L481 AbstractCegarLoop]: Abstraction has 31724 states and 46461 transitions. [2020-12-22 12:56:01,522 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-12-22 12:56:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 31724 states and 46461 transitions. [2020-12-22 12:56:01,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-12-22 12:56:01,529 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:56:01,529 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 12:56:01,529 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-12-22 12:56:01,530 INFO L429 AbstractCegarLoop]: === Iteration 12 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:56:01,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:56:01,530 INFO L82 PathProgramCache]: Analyzing trace with hash 1676409213, now seen corresponding path program 1 times [2020-12-22 12:56:01,531 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:56:01,531 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839340888] [2020-12-22 12:56:01,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:56:01,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:56:01,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:56:01,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [839340888] [2020-12-22 12:56:01,757 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1581530123] [2020-12-22 12:56:01,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 12:56:03,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:56:03,454 INFO L263 TraceCheckSpWp]: Trace formula consists of 1758 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 12:56:03,464 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 12:56:03,549 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-12-22 12:56:03,549 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 12:56:03,550 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-22 12:56:03,550 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103022743] [2020-12-22 12:56:03,550 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:56:03,550 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:56:03,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:56:03,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 12:56:03,551 INFO L87 Difference]: Start difference. First operand 31724 states and 46461 transitions. Second operand 3 states. [2020-12-22 12:56:04,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:56:04,685 INFO L93 Difference]: Finished difference Result 63477 states and 93031 transitions. [2020-12-22 12:56:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:56:04,686 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 59 [2020-12-22 12:56:04,686 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:56:04,761 INFO L225 Difference]: With dead ends: 63477 [2020-12-22 12:56:04,762 INFO L226 Difference]: Without dead ends: 31748 [2020-12-22 12:56:04,831 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-12-22 12:56:04,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31748 states. [2020-12-22 12:56:05,724 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31748 to 31748. [2020-12-22 12:56:05,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31748 states. [2020-12-22 12:56:05,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31748 states to 31748 states and 46485 transitions. [2020-12-22 12:56:05,804 INFO L78 Accepts]: Start accepts. Automaton has 31748 states and 46485 transitions. Word has length 59 [2020-12-22 12:56:05,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:56:05,805 INFO L481 AbstractCegarLoop]: Abstraction has 31748 states and 46485 transitions. [2020-12-22 12:56:05,805 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:56:05,805 INFO L276 IsEmpty]: Start isEmpty. Operand 31748 states and 46485 transitions. [2020-12-22 12:56:05,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-12-22 12:56:05,813 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:56:05,813 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 12:56:06,026 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-12-22 12:56:06,028 INFO L429 AbstractCegarLoop]: === Iteration 13 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:56:06,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:56:06,030 INFO L82 PathProgramCache]: Analyzing trace with hash 1125510950, now seen corresponding path program 1 times [2020-12-22 12:56:06,030 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:56:06,030 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490701624] [2020-12-22 12:56:06,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:56:06,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:56:06,349 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-12-22 12:56:06,350 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [490701624] [2020-12-22 12:56:06,354 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:56:06,355 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-12-22 12:56:06,355 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186932304] [2020-12-22 12:56:06,356 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:56:06,356 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:56:06,357 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:56:06,358 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:56:06,358 INFO L87 Difference]: Start difference. First operand 31748 states and 46485 transitions. Second operand 3 states. [2020-12-22 12:56:09,512 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:56:09,512 INFO L93 Difference]: Finished difference Result 31748 states and 46485 transitions. [2020-12-22 12:56:09,513 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:56:09,513 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 57 [2020-12-22 12:56:09,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:56:09,590 INFO L225 Difference]: With dead ends: 31748 [2020-12-22 12:56:09,591 INFO L226 Difference]: Without dead ends: 31690 [2020-12-22 12:56:09,607 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-12-22 12:56:09,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31690 states. [2020-12-22 12:56:10,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31690 to 31690. [2020-12-22 12:56:10,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31690 states. [2020-12-22 12:56:10,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31690 states to 31690 states and 46233 transitions. [2020-12-22 12:56:10,538 INFO L78 Accepts]: Start accepts. Automaton has 31690 states and 46233 transitions. Word has length 57 [2020-12-22 12:56:10,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:56:10,538 INFO L481 AbstractCegarLoop]: Abstraction has 31690 states and 46233 transitions. [2020-12-22 12:56:10,538 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:56:10,539 INFO L276 IsEmpty]: Start isEmpty. Operand 31690 states and 46233 transitions. [2020-12-22 12:56:10,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-12-22 12:56:10,545 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:56:10,545 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-12-22 12:56:10,545 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-12-22 12:56:10,546 INFO L429 AbstractCegarLoop]: === Iteration 14 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:56:10,546 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:56:10,546 INFO L82 PathProgramCache]: Analyzing trace with hash -1385026707, now seen corresponding path program 1 times [2020-12-22 12:56:10,547 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:56:10,547 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1695442747] [2020-12-22 12:56:10,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:56:10,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:56:10,736 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:56:10,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1695442747] [2020-12-22 12:56:10,736 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2115667036] [2020-12-22 12:56:10,736 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-12-22 12:56:12,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:56:12,340 INFO L263 TraceCheckSpWp]: Trace formula consists of 1817 conjuncts, 2 conjunts are in the unsatisfiable core [2020-12-22 12:56:12,347 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-12-22 12:56:12,442 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-12-22 12:56:12,443 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-12-22 12:56:12,443 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2020-12-22 12:56:12,446 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1129350688] [2020-12-22 12:56:12,447 INFO L461 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-12-22 12:56:12,447 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:56:12,447 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-12-22 12:56:12,448 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 12:56:12,448 INFO L87 Difference]: Start difference. First operand 31690 states and 46233 transitions. Second operand 3 states. [2020-12-22 12:56:13,919 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:56:13,919 INFO L93 Difference]: Finished difference Result 92168 states and 134609 transitions. [2020-12-22 12:56:13,920 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-12-22 12:56:13,920 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 61 [2020-12-22 12:56:13,920 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:56:14,048 INFO L225 Difference]: With dead ends: 92168 [2020-12-22 12:56:14,048 INFO L226 Difference]: Without dead ends: 60481 [2020-12-22 12:56:14,094 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-12-22 12:56:14,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60481 states. [2020-12-22 12:56:15,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60481 to 60114. [2020-12-22 12:56:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60114 states. [2020-12-22 12:56:15,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60114 states to 60114 states and 87837 transitions. [2020-12-22 12:56:15,789 INFO L78 Accepts]: Start accepts. Automaton has 60114 states and 87837 transitions. Word has length 61 [2020-12-22 12:56:15,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:56:15,790 INFO L481 AbstractCegarLoop]: Abstraction has 60114 states and 87837 transitions. [2020-12-22 12:56:15,790 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-12-22 12:56:15,790 INFO L276 IsEmpty]: Start isEmpty. Operand 60114 states and 87837 transitions. [2020-12-22 12:56:15,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2020-12-22 12:56:15,800 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:56:15,801 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-12-22 12:56:16,013 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2020-12-22 12:56:16,015 INFO L429 AbstractCegarLoop]: === Iteration 15 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:56:16,015 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:56:16,016 INFO L82 PathProgramCache]: Analyzing trace with hash -646346988, now seen corresponding path program 1 times [2020-12-22 12:56:16,016 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:56:16,016 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1302515587] [2020-12-22 12:56:16,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:56:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:56:16,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 12:56:16,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:56:16,285 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-22 12:56:16,285 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1302515587] [2020-12-22 12:56:16,285 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:56:16,285 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 12:56:16,286 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1028073963] [2020-12-22 12:56:16,286 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 12:56:16,286 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:56:16,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 12:56:16,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 12:56:16,287 INFO L87 Difference]: Start difference. First operand 60114 states and 87837 transitions. Second operand 4 states. [2020-12-22 12:57:15,942 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-12-22 12:57:15,942 INFO L93 Difference]: Finished difference Result 120411 states and 176053 transitions. [2020-12-22 12:57:15,944 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-12-22 12:57:15,944 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 80 [2020-12-22 12:57:15,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-12-22 12:57:16,071 INFO L225 Difference]: With dead ends: 120411 [2020-12-22 12:57:16,071 INFO L226 Difference]: Without dead ends: 60300 [2020-12-22 12:57:16,163 INFO L677 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 12:57:16,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60300 states. [2020-12-22 12:57:17,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60300 to 60180. [2020-12-22 12:57:17,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60180 states. [2020-12-22 12:57:17,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60180 states to 60180 states and 87903 transitions. [2020-12-22 12:57:17,990 INFO L78 Accepts]: Start accepts. Automaton has 60180 states and 87903 transitions. Word has length 80 [2020-12-22 12:57:17,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-12-22 12:57:17,991 INFO L481 AbstractCegarLoop]: Abstraction has 60180 states and 87903 transitions. [2020-12-22 12:57:17,991 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-12-22 12:57:17,991 INFO L276 IsEmpty]: Start isEmpty. Operand 60180 states and 87903 transitions. [2020-12-22 12:57:17,999 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2020-12-22 12:57:18,000 INFO L414 BasicCegarLoop]: Found error trace [2020-12-22 12:57:18,000 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 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] [2020-12-22 12:57:18,000 WARN L518 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-12-22 12:57:18,001 INFO L429 AbstractCegarLoop]: === Iteration 16 === [node_probeErr3ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr0ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr2ASSERT_VIOLATIONERROR_FUNCTION, node_probeErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr1ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_unregisterErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr1ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr8ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr7ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr16ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr15ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr21ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr17ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr3ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr18ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr22ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr2ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr20ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr12ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr19ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr4ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr5ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr6ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr10ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr14ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr13ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr11ASSERT_VIOLATIONERROR_FUNCTION, ULTIMATE.startErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr30ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr23ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr7ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr16ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr32ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr14ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr9ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr28ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr12ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr11ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr19ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr4ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr27ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr25ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr6ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr17ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr0ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr2ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr21ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr8ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr15ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr10ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr13ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr29ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr31ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr33ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr18ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr5ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr26ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr3ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr24ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr20ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr22ASSERT_VIOLATIONERROR_FUNCTION, fdtv_dvb_registerErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr2ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr9ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr5ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr6ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr0ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr11ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr4ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr7ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr3ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr8ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr1ASSERT_VIOLATIONERROR_FUNCTION, ##fun~$Pointer$~TO~intErr10ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-12-22 12:57:18,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-12-22 12:57:18,001 INFO L82 PathProgramCache]: Analyzing trace with hash 45131601, now seen corresponding path program 1 times [2020-12-22 12:57:18,001 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-12-22 12:57:18,001 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2031931905] [2020-12-22 12:57:18,002 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-12-22 12:57:18,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:57:18,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-12-22 12:57:18,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-12-22 12:57:18,253 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2020-12-22 12:57:18,253 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2031931905] [2020-12-22 12:57:18,254 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-12-22 12:57:18,254 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-12-22 12:57:18,254 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [676981902] [2020-12-22 12:57:18,254 INFO L461 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-12-22 12:57:18,254 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-12-22 12:57:18,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-12-22 12:57:18,255 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-12-22 12:57:18,255 INFO L87 Difference]: Start difference. First operand 60180 states and 87903 transitions. Second operand 4 states.