/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=1000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:03:42,389 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:03:42,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:03:42,419 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:03:42,419 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:03:42,421 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:03:42,422 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:03:42,424 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:03:42,426 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:03:42,427 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:03:42,428 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:03:42,429 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:03:42,429 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:03:42,431 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:03:42,432 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:03:42,433 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:03:42,434 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:03:42,435 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:03:42,437 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:03:42,438 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:03:42,440 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:03:42,441 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:03:42,443 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:03:42,444 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:03:42,446 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:03:42,446 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:03:42,447 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:03:42,448 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:03:42,448 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:03:42,449 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:03:42,449 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:03:42,450 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:03:42,451 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:03:42,452 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:03:42,453 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:03:42,453 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:03:42,454 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:03:42,455 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:03:42,455 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:03:42,456 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:03:42,457 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:03:42,457 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-24 20:03:42,483 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:03:42,483 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:03:42,485 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:03:42,485 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:03:42,485 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:03:42,486 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:03:42,486 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:03:42,486 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:03:42,486 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:03:42,486 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:03:42,487 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:03:42,487 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:03:42,487 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:03:42,487 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:03:42,487 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:03:42,488 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:03:42,488 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:03:42,488 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:03:42,488 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:03:42,488 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:03:42,489 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:03:42,489 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:03:42,489 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:03:42,489 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:03:42,489 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:03:42,490 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:03:42,490 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-24 20:03:42,490 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=1000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-09-24 20:03:42,954 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:03:42,982 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:03:42,987 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:03:42,989 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:03:42,989 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:03:42,991 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 20:03:43,078 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d237328a6/d49ad1a00a504197bab46bc46fca88cb/FLAGbac325a37 [2020-09-24 20:03:43,939 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:03:43,940 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-linux-3.16-rc1/43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 20:03:43,982 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d237328a6/d49ad1a00a504197bab46bc46fca88cb/FLAGbac325a37 [2020-09-24 20:03:44,467 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d237328a6/d49ad1a00a504197bab46bc46fca88cb [2020-09-24 20:03:44,481 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:03:44,488 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:03:44,489 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:03:44,489 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:03:44,496 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:03:44,497 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:03:44" (1/1) ... [2020-09-24 20:03:44,501 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@368a0f4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:44, skipping insertion in model container [2020-09-24 20:03:44,502 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:03:44" (1/1) ... [2020-09-24 20:03:44,511 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:03:44,608 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:03:45,175 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-09-24 20:03:45,176 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2020-09-24 20:03:45,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:03:46,012 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:03:46,100 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name show at C: (*show)(struct kobject___0 * , struct attribute___0 * , char * ) [2539] [2020-09-24 20:03:46,100 WARN L1191 CHandler]: Detected problem Invalid redeclaration of the name store at C: (*store)(struct kobject___0 * , struct attribute___0 * , char const * , size_t ) [2540-2541] [2020-09-24 20:03:46,222 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:03:46,319 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:03:46,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:46 WrapperNode [2020-09-24 20:03:46,321 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:03:46,322 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:03:46,322 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:03:46,323 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:03:46,343 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:46" (1/1) ... [2020-09-24 20:03:46,343 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:46" (1/1) ... [2020-09-24 20:03:46,425 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:46" (1/1) ... [2020-09-24 20:03:46,426 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:46" (1/1) ... [2020-09-24 20:03:46,527 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:46" (1/1) ... [2020-09-24 20:03:46,538 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:46" (1/1) ... [2020-09-24 20:03:46,552 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:46" (1/1) ... [2020-09-24 20:03:46,577 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:03:46,578 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:03:46,578 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:03:46,578 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:03:46,584 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:46" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-09-24 20:03:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:03:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:03:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 20:03:46,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~int [2020-09-24 20:03:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-24 20:03:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-09-24 20:03:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight32 [2020-09-24 20:03:46,699 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight16 [2020-09-24 20:03:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure __arch_hweight8 [2020-09-24 20:03:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure paravirt_read_tsc [2020-09-24 20:03:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2020-09-24 20:03:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2020-09-24 20:03:46,700 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_disable [2020-09-24 20:03:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2020-09-24 20:03:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2020-09-24 20:03:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure outb [2020-09-24 20:03:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure inb [2020-09-24 20:03:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-24 20:03:46,701 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-24 20:03:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_zalloc [2020-09-24 20:03:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_int [2020-09-24 20:03:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_undef_ulong [2020-09-24 20:03:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-24 20:03:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_stop [2020-09-24 20:03:46,702 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-24 20:03:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-24 20:03:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-24 20:03:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-24 20:03:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-09-24 20:03:46,703 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-09-24 20:03:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-09-24 20:03:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_key [2020-09-24 20:03:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure input_report_abs [2020-09-24 20:03:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure input_sync [2020-09-24 20:03:46,704 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_get_drvdata [2020-09-24 20:03:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_drvdata [2020-09-24 20:03:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_trigger [2020-09-24 20:03:46,709 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_read [2020-09-24 20:03:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_cooked_read [2020-09-24 20:03:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_calibrate [2020-09-24 20:03:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_time [2020-09-24 20:03:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_handler [2020-09-24 20:03:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_set_poll_interval [2020-09-24 20:03:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_decode [2020-09-24 20:03:46,710 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_cooked_read [2020-09-24 20:03:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_button_read [2020-09-24 20:03:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_poll [2020-09-24 20:03:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_open [2020-09-24 20:03:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_close [2020-09-24 20:03:46,711 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_calibrate_timer [2020-09-24 20:03:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_name [2020-09-24 20:03:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_device [2020-09-24 20:03:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_masks [2020-09-24 20:03:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init_port [2020-09-24 20:03:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_connect [2020-09-24 20:03:46,712 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_disconnect [2020-09-24 20:03:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_parse_options [2020-09-24 20:03:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_init [2020-09-24 20:03:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure analog_exit [2020-09-24 20:03:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize_gameport_driver_1 [2020-09-24 20:03:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:03:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-09-24 20:03:46,713 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags [2020-09-24 20:03:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 20:03:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_alloc_nonatomic [2020-09-24 20:03:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_lock [2020-09-24 20:03:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_unlock [2020-09-24 20:03:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_spin_trylock [2020-09-24 20:03:46,714 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-09-24 20:03:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __gameport_register_driver [2020-09-24 20:03:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure __udelay [2020-09-24 20:03:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_close [2020-09-24 20:03:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_open [2020-09-24 20:03:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_start_polling [2020-09-24 20:03:46,715 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_stop_polling [2020-09-24 20:03:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure gameport_unregister_driver [2020-09-24 20:03:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-09-24 20:03:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-09-24 20:03:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-09-24 20:03:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_abs_params [2020-09-24 20:03:46,716 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-09-24 20:03:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure kmem_cache_alloc [2020-09-24 20:03:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_bind_1 [2020-09-24 20:03:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-24 20:03:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-24 20:03:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_release_1 [2020-09-24 20:03:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_some_page [2020-09-24 20:03:46,717 INFO L138 BoogieDeclarations]: Found implementation of procedure msleep [2020-09-24 20:03:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-09-24 20:03:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure simple_strtoul [2020-09-24 20:03:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcat [2020-09-24 20:03:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2020-09-24 20:03:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2020-09-24 20:03:46,718 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-24 20:03:46,719 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.meminit [2020-09-24 20:03:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:03:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-24 20:03:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-09-24 20:03:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight32 [2020-09-24 20:03:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight16 [2020-09-24 20:03:46,719 INFO L130 BoogieDeclarations]: Found specification of procedure __arch_hweight8 [2020-09-24 20:03:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-09-24 20:03:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure simple_strtoul [2020-09-24 20:03:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-09-24 20:03:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure strlen [2020-09-24 20:03:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure strcmp [2020-09-24 20:03:46,720 INFO L130 BoogieDeclarations]: Found specification of procedure strlcat [2020-09-24 20:03:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure paravirt_read_tsc [2020-09-24 20:03:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:03:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2020-09-24 20:03:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2020-09-24 20:03:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_disable [2020-09-24 20:03:46,721 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2020-09-24 20:03:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2020-09-24 20:03:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2020-09-24 20:03:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2020-09-24 20:03:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure outb [2020-09-24 20:03:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure inb [2020-09-24 20:03:46,722 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-24 20:03:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure kmem_cache_alloc [2020-09-24 20:03:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-09-24 20:03:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags [2020-09-24 20:03:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:03:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure calloc [2020-09-24 20:03:46,723 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:03:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-09-24 20:03:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-24 20:03:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-24 20:03:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-24 20:03:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:03:46,724 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-09-24 20:03:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.meminit [2020-09-24 20:03:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_int [2020-09-24 20:03:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_undef_ulong [2020-09-24 20:03:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-24 20:03:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_stop [2020-09-24 20:03:46,725 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-24 20:03:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize_gameport_driver_1 [2020-09-24 20:03:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure __udelay [2020-09-24 20:03:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-09-24 20:03:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure msleep [2020-09-24 20:03:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-24 20:03:46,726 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-24 20:03:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:03:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-09-24 20:03:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-09-24 20:03:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-09-24 20:03:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-09-24 20:03:46,727 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-09-24 20:03:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-09-24 20:03:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-09-24 20:03:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_key [2020-09-24 20:03:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure input_report_abs [2020-09-24 20:03:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure input_sync [2020-09-24 20:03:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_abs_params [2020-09-24 20:03:46,728 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_open [2020-09-24 20:03:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_close [2020-09-24 20:03:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_get_drvdata [2020-09-24 20:03:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_drvdata [2020-09-24 20:03:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure __gameport_register_driver [2020-09-24 20:03:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_unregister_driver [2020-09-24 20:03:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_trigger [2020-09-24 20:03:46,729 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~VOID [2020-09-24 20:03:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:03:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_read [2020-09-24 20:03:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~int [2020-09-24 20:03:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_cooked_read [2020-09-24 20:03:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~int [2020-09-24 20:03:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_calibrate [2020-09-24 20:03:46,730 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_time [2020-09-24 20:03:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_handler [2020-09-24 20:03:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_set_poll_interval [2020-09-24 20:03:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:03:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_start_polling [2020-09-24 20:03:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure gameport_stop_polling [2020-09-24 20:03:46,731 INFO L130 BoogieDeclarations]: Found specification of procedure analog_decode [2020-09-24 20:03:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure analog_cooked_read [2020-09-24 20:03:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:03:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:03:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure analog_button_read [2020-09-24 20:03:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure analog_poll [2020-09-24 20:03:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure analog_open [2020-09-24 20:03:46,732 INFO L130 BoogieDeclarations]: Found specification of procedure analog_close [2020-09-24 20:03:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure analog_calibrate_timer [2020-09-24 20:03:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure analog_name [2020-09-24 20:03:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_device [2020-09-24 20:03:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_masks [2020-09-24 20:03:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init_port [2020-09-24 20:03:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure analog_connect [2020-09-24 20:03:46,733 INFO L130 BoogieDeclarations]: Found specification of procedure analog_disconnect [2020-09-24 20:03:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure analog_parse_options [2020-09-24 20:03:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure analog_init [2020-09-24 20:03:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure analog_exit [2020-09-24 20:03:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-24 20:03:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-24 20:03:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_release_1 [2020-09-24 20:03:46,734 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_bind_1 [2020-09-24 20:03:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:03:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_some_page [2020-09-24 20:03:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_flags_and_return_some_page [2020-09-24 20:03:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_alloc_nonatomic [2020-09-24 20:03:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_lock [2020-09-24 20:03:46,735 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_unlock [2020-09-24 20:03:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_spin_trylock [2020-09-24 20:03:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:03:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:03:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:03:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-24 20:03:46,736 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:03:47,572 INFO L732 $ProcedureCfgBuilder]: dead code at ProgramPoint ldv_stopFINAL: assume true; [2020-09-24 20:03:49,479 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:03:49,479 INFO L295 CfgBuilder]: Removed 1 assume(true) statements. [2020-09-24 20:03:49,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:03:49 BoogieIcfgContainer [2020-09-24 20:03:49,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:03:49,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:03:49,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:03:49,498 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:03:49,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:03:44" (1/3) ... [2020-09-24 20:03:49,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5277a903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:03:49, skipping insertion in model container [2020-09-24 20:03:49,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:03:46" (2/3) ... [2020-09-24 20:03:49,500 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5277a903 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:03:49, skipping insertion in model container [2020-09-24 20:03:49,500 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:03:49" (3/3) ... [2020-09-24 20:03:49,503 INFO L109 eAbstractionObserver]: Analyzing ICFG 43_2a_consumption_linux-3.16-rc1.tar.xz-43_2a-drivers--input--joystick--analog.ko-entry_point.cil.out.i [2020-09-24 20:03:49,517 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:03:49,532 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:03:49,556 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:03:49,596 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:03:49,596 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:03:49,596 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:03:49,596 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:03:49,597 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:03:49,597 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:03:49,597 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:03:49,597 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:03:49,649 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states. [2020-09-24 20:03:49,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2020-09-24 20:03:49,669 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:03:49,671 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:03:49,672 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:03:49,679 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:03:49,680 INFO L82 PathProgramCache]: Analyzing trace with hash 1254517513, now seen corresponding path program 1 times [2020-09-24 20:03:49,692 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:03:49,693 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [253962440] [2020-09-24 20:03:49,693 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:03:50,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:50,487 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:51,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:51,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:51,398 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 279 [2020-09-24 20:03:51,398 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:03:51,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1148 [2020-09-24 20:03:51,402 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:51,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:03:51,402 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 241 [2020-09-24 20:03:51,403 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:03:51,403 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:03:52,141 WARN L193 SmtUtils]: Spent 528.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 20:03:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:03:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:52,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:52,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:52,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 20:03:52,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:52,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 391 [2020-09-24 20:03:52,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:52,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:52,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 20:03:52,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:52,816 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:52,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:52,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:03:52,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:52,834 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 20:03:52,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:52,835 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:52,835 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:52,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 20:03:52,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:03:52,853 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:03:52,861 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:03:52,861 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:03:52,861 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:03:52,861 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:03:52,862 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:03:52,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:03:52,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:03:52,862 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:03:52,862 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:03:52,972 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:03:52,973 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [253962440] [2020-09-24 20:03:52,975 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:03:52,975 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 20:03:52,976 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042593195] [2020-09-24 20:03:52,985 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 20:03:52,985 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:03:53,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 20:03:53,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 20:03:53,004 INFO L87 Difference]: Start difference. First operand 2037 states. Second operand 5 states. [2020-09-24 20:03:54,710 WARN L193 SmtUtils]: Spent 494.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 20:04:06,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:04:06,295 INFO L93 Difference]: Finished difference Result 3999 states and 4517 transitions. [2020-09-24 20:04:06,296 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 20:04:06,297 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 260 [2020-09-24 20:04:06,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:04:06,355 INFO L225 Difference]: With dead ends: 3999 [2020-09-24 20:04:06,355 INFO L226 Difference]: Without dead ends: 2155 [2020-09-24 20:04:06,392 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:04:06,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2155 states. [2020-09-24 20:04:06,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2155 to 2105. [2020-09-24 20:04:06,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2105 states. [2020-09-24 20:04:06,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2105 states to 2105 states and 2341 transitions. [2020-09-24 20:04:06,652 INFO L78 Accepts]: Start accepts. Automaton has 2105 states and 2341 transitions. Word has length 260 [2020-09-24 20:04:06,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:04:06,654 INFO L479 AbstractCegarLoop]: Abstraction has 2105 states and 2341 transitions. [2020-09-24 20:04:06,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 20:04:06,655 INFO L276 IsEmpty]: Start isEmpty. Operand 2105 states and 2341 transitions. [2020-09-24 20:04:06,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2020-09-24 20:04:06,661 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:04:06,662 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:04:06,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:04:06,663 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:04:06,663 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:04:06,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1717932618, now seen corresponding path program 1 times [2020-09-24 20:04:06,664 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:04:06,664 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [433734208] [2020-09-24 20:04:06,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:04:06,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:06,923 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:07,502 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:07,859 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:07,859 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 362 [2020-09-24 20:04:07,860 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:07,860 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1060 [2020-09-24 20:04:07,860 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:07,860 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 302 [2020-09-24 20:04:07,861 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 37 [2020-09-24 20:04:07,861 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:08,497 WARN L193 SmtUtils]: Spent 473.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 20:04:08,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:04:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:08,545 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:08,804 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:08,804 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 20:04:08,805 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:08,805 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 279 [2020-09-24 20:04:08,805 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:08,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:08,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:08,806 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:08,806 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:08,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 20:04:08,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:08,946 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:08,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:08,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:08,964 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:08,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 20:04:08,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:08,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:08,966 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:08,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 20:04:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:08,983 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:08,995 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:08,995 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:04:08,996 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:08,996 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 20:04:08,996 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:08,997 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:08,998 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:09,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 20:04:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:09,040 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:09,064 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:09,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:09,179 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 20:04:09,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:09,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 146 [2020-09-24 20:04:09,180 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:09,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:09,181 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:09,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:04:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:09,217 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:09,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:09,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:09,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:04:09,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:09,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 109 [2020-09-24 20:04:09,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:09,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:09,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:09,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:09,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 20:04:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:09,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:09,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:09,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:04:09,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:09,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-24 20:04:09,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:09,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:09,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:09,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:09,372 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:09,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 20:04:09,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:09,435 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:09,499 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:09,500 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 20:04:09,500 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:09,500 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 76 [2020-09-24 20:04:09,501 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:09,501 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:09,502 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 22 [2020-09-24 20:04:09,502 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:09,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:04:09,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:09,522 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:09,545 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:09,546 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:09,546 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:09,547 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-24 20:04:09,547 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:09,547 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:09,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:09,548 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:09,549 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:09,808 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-09-24 20:04:09,810 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [433734208] [2020-09-24 20:04:09,811 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:04:09,811 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 20:04:09,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073982514] [2020-09-24 20:04:09,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 20:04:09,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:04:09,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 20:04:09,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:04:09,825 INFO L87 Difference]: Start difference. First operand 2105 states and 2341 transitions. Second operand 7 states. [2020-09-24 20:04:11,491 WARN L193 SmtUtils]: Spent 491.00 ms on a formula simplification that was a NOOP. DAG size: 264 [2020-09-24 20:04:22,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:04:22,481 INFO L93 Difference]: Finished difference Result 4144 states and 4650 transitions. [2020-09-24 20:04:22,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-09-24 20:04:22,482 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 333 [2020-09-24 20:04:22,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:04:22,496 INFO L225 Difference]: With dead ends: 4144 [2020-09-24 20:04:22,496 INFO L226 Difference]: Without dead ends: 2285 [2020-09-24 20:04:22,502 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=45, Invalid=65, Unknown=0, NotChecked=0, Total=110 [2020-09-24 20:04:22,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2285 states. [2020-09-24 20:04:22,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2285 to 2235. [2020-09-24 20:04:22,642 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2235 states. [2020-09-24 20:04:22,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2235 states to 2235 states and 2491 transitions. [2020-09-24 20:04:22,652 INFO L78 Accepts]: Start accepts. Automaton has 2235 states and 2491 transitions. Word has length 333 [2020-09-24 20:04:22,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:04:22,653 INFO L479 AbstractCegarLoop]: Abstraction has 2235 states and 2491 transitions. [2020-09-24 20:04:22,653 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 20:04:22,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2235 states and 2491 transitions. [2020-09-24 20:04:22,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2020-09-24 20:04:22,660 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:04:22,661 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:04:22,661 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:04:22,661 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:04:22,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:04:22,662 INFO L82 PathProgramCache]: Analyzing trace with hash 750694472, now seen corresponding path program 1 times [2020-09-24 20:04:22,662 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:04:22,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [963388723] [2020-09-24 20:04:22,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:04:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:22,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:23,457 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:23,872 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:23,872 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 392 [2020-09-24 20:04:23,873 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-24 20:04:23,873 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1070 [2020-09-24 20:04:23,873 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:23,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-09-24 20:04:23,874 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 20:04:23,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:24,674 WARN L193 SmtUtils]: Spent 687.00 ms on a formula simplification that was a NOOP. DAG size: 262 [2020-09-24 20:04:24,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:04:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:24,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:25,010 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:25,011 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 211 [2020-09-24 20:04:25,011 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:25,011 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 320 [2020-09-24 20:04:25,012 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:25,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:25,012 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:25,013 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:25,013 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:25,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 212 [2020-09-24 20:04:25,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:25,195 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:25,211 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:25,211 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:25,212 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:25,212 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-24 20:04:25,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:25,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:25,213 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:25,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:25,214 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:25,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 227 [2020-09-24 20:04:25,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:25,227 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:25,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:25,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:04:25,236 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:25,236 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-24 20:04:25,237 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:25,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:25,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:25,237 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:25,238 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:04:25,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 249 [2020-09-24 20:04:25,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:25,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:25,335 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:25,336 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 40 [2020-09-24 20:04:25,336 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:25,337 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 63 [2020-09-24 20:04:25,337 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:25,337 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:25,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 13 [2020-09-24 20:04:25,338 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 20:04:25,338 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:25,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:04:25,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:25,358 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:25,392 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:25,393 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 19 [2020-09-24 20:04:25,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:25,394 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-09-24 20:04:25,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:04:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-24 20:04:25,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-24 20:04:25,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:25,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 15 [2020-09-24 20:04:25,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:25,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:25,448 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:25,449 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-24 20:04:25,449 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:25,449 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-24 20:04:25,450 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:25,450 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-09-24 20:04:25,451 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:25,451 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:25,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 286 [2020-09-24 20:04:25,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:25,497 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:25,520 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:25,521 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 26 [2020-09-24 20:04:25,521 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:25,521 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 31 [2020-09-24 20:04:25,522 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:25,522 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 23 [2020-09-24 20:04:25,523 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:25,523 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:25,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-24 20:04:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:25,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:25,559 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:25,559 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 17 [2020-09-24 20:04:25,560 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:25,560 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-24 20:04:25,561 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:25,561 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:04:25,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:25,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:25,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 324 [2020-09-24 20:04:25,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:25,577 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:25,587 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:25,588 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:04:25,588 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:25,589 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:04:25,589 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:04:25,590 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:04:25,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:04:25,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:04:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2020-09-24 20:04:25,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [963388723] [2020-09-24 20:04:25,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:04:25,821 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-24 20:04:25,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2123505349] [2020-09-24 20:04:25,822 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-24 20:04:25,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:04:25,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-24 20:04:25,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:04:25,825 INFO L87 Difference]: Start difference. First operand 2235 states and 2491 transitions. Second operand 7 states. [2020-09-24 20:04:35,330 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:04:35,331 INFO L93 Difference]: Finished difference Result 4413 states and 4967 transitions. [2020-09-24 20:04:35,331 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-09-24 20:04:35,332 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 361 [2020-09-24 20:04:35,333 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:04:35,353 INFO L225 Difference]: With dead ends: 4413 [2020-09-24 20:04:35,354 INFO L226 Difference]: Without dead ends: 2424 [2020-09-24 20:04:35,364 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:04:35,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2020-09-24 20:04:35,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2241. [2020-09-24 20:04:35,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2241 states. [2020-09-24 20:04:35,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 2241 states and 2500 transitions. [2020-09-24 20:04:35,627 INFO L78 Accepts]: Start accepts. Automaton has 2241 states and 2500 transitions. Word has length 361 [2020-09-24 20:04:35,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:04:35,628 INFO L479 AbstractCegarLoop]: Abstraction has 2241 states and 2500 transitions. [2020-09-24 20:04:35,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-24 20:04:35,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2241 states and 2500 transitions. [2020-09-24 20:04:35,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2020-09-24 20:04:35,642 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:04:35,644 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:04:35,645 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:04:35,645 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:04:35,645 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:04:35,646 INFO L82 PathProgramCache]: Analyzing trace with hash -556497650, now seen corresponding path program 1 times [2020-09-24 20:04:35,646 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:04:35,647 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328658564] [2020-09-24 20:04:35,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:04:35,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:04:35,960 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:04:36,820 FATAL L256 erpolLogProxyWrapper]: Timeout: 1000 [2020-09-24 20:04:36,821 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 395 [2020-09-24 20:04:36,821 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:04:36,821 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1009 [2020-09-24 20:04:36,822 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLEST [2020-09-24 20:04:36,822 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-09-24 20:04:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 273 [2020-09-24 20:04:36,823 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 6 [2020-09-24 20:04:36,823 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1