/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 SequenceOfStatements --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=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-12 22:55:45,133 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-12 22:55:45,136 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-12 22:55:45,180 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-12 22:55:45,181 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-12 22:55:45,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-12 22:55:45,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-12 22:55:45,196 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-12 22:55:45,199 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-12 22:55:45,199 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-12 22:55:45,201 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-12 22:55:45,202 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-12 22:55:45,203 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-12 22:55:45,204 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-12 22:55:45,208 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-12 22:55:45,209 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-12 22:55:45,212 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-12 22:55:45,213 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-12 22:55:45,215 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-12 22:55:45,220 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-12 22:55:45,221 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-12 22:55:45,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-12 22:55:45,225 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-12 22:55:45,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-12 22:55:45,231 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-12 22:55:45,232 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-12 22:55:45,232 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-12 22:55:45,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-12 22:55:45,233 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-12 22:55:45,234 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-12 22:55:45,234 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-12 22:55:45,238 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-12 22:55:45,238 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-12 22:55:45,239 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-12 22:55:45,240 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-12 22:55:45,240 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-12 22:55:45,241 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-12 22:55:45,241 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-12 22:55:45,241 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-12 22:55:45,242 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-12 22:55:45,244 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-12 22:55:45,245 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 [2020-10-12 22:55:45,292 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-12 22:55:45,292 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-12 22:55:45,294 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-12 22:55:45,294 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-12 22:55:45,294 INFO L138 SettingsManager]: * Use SBE=true [2020-10-12 22:55:45,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-12 22:55:45,295 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-12 22:55:45,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-12 22:55:45,295 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-12 22:55:45,295 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-12 22:55:45,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-12 22:55:45,296 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-12 22:55:45,297 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-12 22:55:45,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-12 22:55:45,297 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-12 22:55:45,297 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-12 22:55:45,298 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-12 22:55:45,298 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-12 22:55:45,298 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-12 22:55:45,298 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-12 22:55:45,298 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-12 22:55:45,299 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-12 22:55:45,299 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-12 22:55:45,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-12 22:55:45,299 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-12 22:55:45,299 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-12 22:55:45,299 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-12 22:55:45,300 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 -> SequenceOfStatements 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=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=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=5000;interpolation-heuristic=BIGGEST;log-additional-information=true;unknown-allowed=true; [2020-10-12 22:55:45,585 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-12 22:55:45,597 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-12 22:55:45,600 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-12 22:55:45,602 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-12 22:55:45,602 INFO L275 PluginConnector]: CDTParser initialized [2020-10-12 22:55:45,603 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-12 22:55:45,665 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69bc7c7d6/1375d6802bf14603a5dd930f5764f6ae/FLAGf35d409e1 [2020-10-12 22:55:46,330 INFO L306 CDTParser]: Found 1 translation units. [2020-10-12 22:55:46,331 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-12 22:55:46,373 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69bc7c7d6/1375d6802bf14603a5dd930f5764f6ae/FLAGf35d409e1 [2020-10-12 22:55:46,413 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/69bc7c7d6/1375d6802bf14603a5dd930f5764f6ae [2020-10-12 22:55:46,423 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-12 22:55:46,425 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-12 22:55:46,429 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-12 22:55:46,429 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-12 22:55:46,433 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-12 22:55:46,434 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:55:46" (1/1) ... [2020-10-12 22:55:46,437 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c13be38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:46, skipping insertion in model container [2020-10-12 22:55:46,438 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.10 10:55:46" (1/1) ... [2020-10-12 22:55:46,446 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-12 22:55:46,548 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-12 22:55:47,886 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:55:47,906 INFO L203 MainTranslator]: Completed pre-run [2020-10-12 22:55:48,155 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-12 22:55:48,450 INFO L208 MainTranslator]: Completed translation [2020-10-12 22:55:48,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:48 WrapperNode [2020-10-12 22:55:48,452 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-12 22:55:48,454 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-12 22:55:48,454 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-12 22:55:48,455 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-12 22:55:48,473 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:48" (1/1) ... [2020-10-12 22:55:48,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:48" (1/1) ... [2020-10-12 22:55:48,574 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:48" (1/1) ... [2020-10-12 22:55:48,575 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:48" (1/1) ... [2020-10-12 22:55:48,687 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:48" (1/1) ... [2020-10-12 22:55:48,719 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:48" (1/1) ... [2020-10-12 22:55:48,741 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:48" (1/1) ... [2020-10-12 22:55:48,767 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-12 22:55:48,768 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-12 22:55:48,768 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-12 22:55:48,768 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-12 22:55:48,770 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:48" (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 [2020-10-12 22:55:48,854 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-12 22:55:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-12 22:55:48,855 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-12 22:55:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure set_bit [2020-10-12 22:55:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2020-10-12 22:55:48,856 INFO L138 BoogieDeclarations]: Found implementation of procedure variable_test_bit [2020-10-12 22:55:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure get_current [2020-10-12 22:55:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-12 22:55:48,857 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-12 22:55:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure current_thread_info [2020-10-12 22:55:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure is_ia32_task [2020-10-12 22:55:48,859 INFO L138 BoogieDeclarations]: Found implementation of procedure test_ti_thread_flag [2020-10-12 22:55:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2020-10-12 22:55:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2020-10-12 22:55:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2020-10-12 22:55:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2020-10-12 22:55:48,860 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2020-10-12 22:55:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure init_completion [2020-10-12 22:55:48,864 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-12 22:55:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-12 22:55:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_wait [2020-10-12 22:55:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure test_tsk_thread_flag [2020-10-12 22:55:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure signal_pending [2020-10-12 22:55:48,865 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-12 22:55:48,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-12 22:55:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-12 22:55:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-12 22:55:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-12 22:55:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure kzalloc [2020-10-12 22:55:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure input_allocate_device [2020-10-12 22:55:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure input_get_drvdata [2020-10-12 22:55:48,867 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_drvdata [2020-10-12 22:55:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure input_set_events_per_packet [2020-10-12 22:55:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_min [2020-10-12 22:55:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_min [2020-10-12 22:55:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_max [2020-10-12 22:55:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_max [2020-10-12 22:55:48,868 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_fuzz [2020-10-12 22:55:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_get_flat [2020-10-12 22:55:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure input_abs_set_flat [2020-10-12 22:55:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure compat_ptr [2020-10-12 22:55:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure is_x32_task [2020-10-12 22:55:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure is_compat_task [2020-10-12 22:55:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_size [2020-10-12 22:55:48,869 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_event [2020-10-12 22:55:48,870 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_alloc_id [2020-10-12 22:55:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_find [2020-10-12 22:55:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_reserve_slot [2020-10-12 22:55:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_done [2020-10-12 22:55:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_send [2020-10-12 22:55:48,871 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_request_submit [2020-10-12 22:55:48,872 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_flush_requests [2020-10-12 22:55:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_gain [2020-10-12 22:55:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_set_autocenter [2020-10-12 22:55:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_playback [2020-10-12 22:55:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_upload_effect [2020-10-12 22:55:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_dev_erase_effect [2020-10-12 22:55:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_destroy_device [2020-10-12 22:55:48,873 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_create_device [2020-10-12 22:55:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_open [2020-10-12 22:55:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_validate_absbits [2020-10-12 22:55:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_allocate_device [2020-10-12 22:55:48,874 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_setup_device [2020-10-12 22:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_inject_event [2020-10-12 22:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_write [2020-10-12 22:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_fetch_next_event [2020-10-12 22:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_events_to_user [2020-10-12 22:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_read [2020-10-12 22:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_poll [2020-10-12 22:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_release [2020-10-12 22:55:48,875 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_to_user [2020-10-12 22:55:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ff_upload_from_user [2020-10-12 22:55:48,876 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl_handler [2020-10-12 22:55:48,877 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_ioctl [2020-10-12 22:55:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_compat_ioctl [2020-10-12 22:55:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_init [2020-10-12 22:55:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure uinput_exit [2020-10-12 22:55:48,878 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-12 22:55:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-12 22:55:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-12 22:55:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-12 22:55:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-12 22:55:48,879 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-12 22:55:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_6 [2020-10-12 22:55:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-12 22:55:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_8 [2020-10-12 22:55:48,880 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-12 22:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_10 [2020-10-12 22:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-10-12 22:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_12 [2020-10-12 22:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_13 [2020-10-12 22:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-12 22:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-12 22:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-12 22:55:48,881 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-12 22:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-12 22:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-12 22:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-12 22:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-12 22:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-12 22:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-12 22:55:48,882 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-12 22:55:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-12 22:55:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-12 22:55:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-12 22:55:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-12 22:55:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-12 22:55:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2020-10-12 22:55:48,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2020-10-12 22:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_uinput_device [2020-10-12 22:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_uinput_device [2020-10-12 22:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2020-10-12 22:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2020-10-12 22:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_uinput_device [2020-10-12 22:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-12 22:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-12 22:55:48,884 INFO L138 BoogieDeclarations]: Found implementation of procedure __init_waitqueue_head [2020-10-12 22:55:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-10-12 22:55:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2020-10-12 22:55:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure __wake_up [2020-10-12 22:55:48,885 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-12 22:55:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-12 22:55:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock [2020-10-12 22:55:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irq [2020-10-12 22:55:48,886 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock [2020-10-12 22:55:48,887 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_unlock_irq [2020-10-12 22:55:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure complete [2020-10-12 22:55:48,888 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-10-12 22:55:48,889 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-10-12 22:55:48,891 INFO L138 BoogieDeclarations]: Found implementation of procedure do_gettimeofday [2020-10-12 22:55:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure finish_wait [2020-10-12 22:55:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure input_alloc_absinfo [2020-10-12 22:55:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event [2020-10-12 22:55:48,892 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_from_user [2020-10-12 22:55:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_event_to_user [2020-10-12 22:55:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_create [2020-10-12 22:55:48,893 INFO L138 BoogieDeclarations]: Found implementation of procedure input_ff_destroy [2020-10-12 22:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure input_free_device [2020-10-12 22:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure input_mt_init_slots [2020-10-12 22:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure input_register_device [2020-10-12 22:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure input_unregister_device [2020-10-12 22:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure kstrndup [2020-10-12 22:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_return_value [2020-10-12 22:55:48,894 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_handler_precall [2020-10-12 22:55:48,895 INFO L138 BoogieDeclarations]: Found implementation of procedure memdup_user [2020-10-12 22:55:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-12 22:55:48,902 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_deregister [2020-10-12 22:55:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure misc_register [2020-10-12 22:55:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-12 22:55:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock_interruptible [2020-10-12 22:55:48,903 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-12 22:55:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-12 22:55:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure nonseekable_open [2020-10-12 22:55:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure prepare_to_wait [2020-10-12 22:55:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-12 22:55:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule [2020-10-12 22:55:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure strndup_user [2020-10-12 22:55:48,904 INFO L138 BoogieDeclarations]: Found implementation of procedure wait_for_completion [2020-10-12 22:55:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-12 22:55:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-12 22:55:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-12 22:55:48,905 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2020-10-12 22:55:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-12 22:55:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-12 22:55:48,905 INFO L130 BoogieDeclarations]: Found specification of procedure set_bit [2020-10-12 22:55:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2020-10-12 22:55:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-12 22:55:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure variable_test_bit [2020-10-12 22:55:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-12 22:55:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-12 22:55:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure __bad_percpu_size [2020-10-12 22:55:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure get_current [2020-10-12 22:55:48,906 INFO L130 BoogieDeclarations]: Found specification of procedure strndup_user [2020-10-12 22:55:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure memdup_user [2020-10-12 22:55:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure memcpy [2020-10-12 22:55:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-12 22:55:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure kstrndup [2020-10-12 22:55:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-12 22:55:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-12 22:55:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-12 22:55:48,907 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-10-12 22:55:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-12 22:55:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-12 22:55:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-12 22:55:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-12 22:55:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-12 22:55:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-12 22:55:48,908 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-12 22:55:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-10-12 22:55:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_13 [2020-10-12 22:55:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock_interruptible [2020-10-12 22:55:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_6 [2020-10-12 22:55:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_8 [2020-10-12 22:55:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_10 [2020-10-12 22:55:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_12 [2020-10-12 22:55:48,909 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-12 22:55:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-12 22:55:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-12 22:55:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-12 22:55:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-12 22:55:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-12 22:55:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-12 22:55:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-12 22:55:48,910 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_uinput_device [2020-10-12 22:55:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_uinput_device [2020-10-12 22:55:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure current_thread_info [2020-10-12 22:55:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure is_ia32_task [2020-10-12 22:55:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure test_ti_thread_flag [2020-10-12 22:55:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2020-10-12 22:55:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock [2020-10-12 22:55:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irq [2020-10-12 22:55:48,911 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock [2020-10-12 22:55:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_unlock_irq [2020-10-12 22:55:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2020-10-12 22:55:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2020-10-12 22:55:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2020-10-12 22:55:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2020-10-12 22:55:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2020-10-12 22:55:48,912 INFO L130 BoogieDeclarations]: Found specification of procedure do_gettimeofday [2020-10-12 22:55:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure __init_waitqueue_head [2020-10-12 22:55:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure __wake_up [2020-10-12 22:55:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure prepare_to_wait [2020-10-12 22:55:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure finish_wait [2020-10-12 22:55:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure autoremove_wake_function [2020-10-12 22:55:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure init_completion [2020-10-12 22:55:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-12 22:55:48,913 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-12 22:55:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-12 22:55:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure wait_for_completion [2020-10-12 22:55:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure complete [2020-10-12 22:55:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure no_llseek [2020-10-12 22:55:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure nonseekable_open [2020-10-12 22:55:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-12 22:55:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-12 22:55:48,914 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-12 22:55:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-12 22:55:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure poll_wait [2020-10-12 22:55:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~$Pointer$~X~$Pointer$~TO~VOID [2020-10-12 22:55:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-12 22:55:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure schedule [2020-10-12 22:55:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure test_tsk_thread_flag [2020-10-12 22:55:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure signal_pending [2020-10-12 22:55:48,915 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-12 22:55:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-12 22:55:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-12 22:55:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-12 22:55:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-12 22:55:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-12 22:55:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-12 22:55:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-12 22:55:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-12 22:55:48,916 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-12 22:55:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_zalloc [2020-10-12 22:55:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure kzalloc [2020-10-12 22:55:48,917 INFO L130 BoogieDeclarations]: Found specification of procedure misc_register [2020-10-12 22:55:48,918 INFO L130 BoogieDeclarations]: Found specification of procedure misc_deregister [2020-10-12 22:55:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-10-12 22:55:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-10-12 22:55:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure input_allocate_device [2020-10-12 22:55:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure input_free_device [2020-10-12 22:55:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure input_get_drvdata [2020-10-12 22:55:48,922 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_drvdata [2020-10-12 22:55:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure input_register_device [2020-10-12 22:55:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure input_unregister_device [2020-10-12 22:55:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure input_event [2020-10-12 22:55:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure input_set_events_per_packet [2020-10-12 22:55:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure input_alloc_absinfo [2020-10-12 22:55:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_min [2020-10-12 22:55:48,923 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_min [2020-10-12 22:55:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_max [2020-10-12 22:55:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_max [2020-10-12 22:55:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_fuzz [2020-10-12 22:55:48,924 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_get_flat [2020-10-12 22:55:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure input_abs_set_flat [2020-10-12 22:55:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_create [2020-10-12 22:55:48,926 INFO L130 BoogieDeclarations]: Found specification of procedure input_ff_destroy [2020-10-12 22:55:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure input_mt_init_slots [2020-10-12 22:55:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure compat_ptr [2020-10-12 22:55:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_x32_task [2020-10-12 22:55:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure is_compat_task [2020-10-12 22:55:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_size [2020-10-12 22:55:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_from_user [2020-10-12 22:55:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure input_event_to_user [2020-10-12 22:55:48,927 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_event [2020-10-12 22:55:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_alloc_id [2020-10-12 22:55:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-12 22:55:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_find [2020-10-12 22:55:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_reserve_slot [2020-10-12 22:55:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_done [2020-10-12 22:55:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_send [2020-10-12 22:55:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_request_submit [2020-10-12 22:55:48,928 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_flush_requests [2020-10-12 22:55:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_gain [2020-10-12 22:55:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_set_autocenter [2020-10-12 22:55:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_playback [2020-10-12 22:55:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_upload_effect [2020-10-12 22:55:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_dev_erase_effect [2020-10-12 22:55:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_destroy_device [2020-10-12 22:55:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_create_device [2020-10-12 22:55:48,929 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_open [2020-10-12 22:55:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_validate_absbits [2020-10-12 22:55:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_allocate_device [2020-10-12 22:55:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_setup_device [2020-10-12 22:55:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_inject_event [2020-10-12 22:55:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_write [2020-10-12 22:55:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_fetch_next_event [2020-10-12 22:55:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_events_to_user [2020-10-12 22:55:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_read [2020-10-12 22:55:48,930 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_poll [2020-10-12 22:55:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_release [2020-10-12 22:55:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_to_user [2020-10-12 22:55:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2020-10-12 22:55:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ff_upload_from_user [2020-10-12 22:55:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl_handler [2020-10-12 22:55:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-12 22:55:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_ioctl [2020-10-12 22:55:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_compat_ioctl [2020-10-12 22:55:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_init [2020-10-12 22:55:48,931 INFO L130 BoogieDeclarations]: Found specification of procedure uinput_exit [2020-10-12 22:55:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-12 22:55:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_return_value [2020-10-12 22:55:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-12 22:55:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_handler_precall [2020-10-12 22:55:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-12 22:55:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-12 22:55:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-12 22:55:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-12 22:55:48,932 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-12 22:55:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-12 22:55:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-12 22:55:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-12 22:55:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-12 22:55:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-12 22:55:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-12 22:55:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_uinput_device [2020-10-12 22:55:48,933 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_uinput_device [2020-10-12 22:55:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_uinput_device [2020-10-12 22:55:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_uinput_device [2020-10-12 22:55:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_uinput_device [2020-10-12 22:55:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-12 22:55:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-12 22:55:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-12 22:55:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-12 22:55:48,934 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-12 22:55:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-12 22:55:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2020-10-12 22:55:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2020-10-12 22:55:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2020-10-12 22:55:48,935 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2020-10-12 22:55:59,269 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-12 22:55:59,270 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-12 22:55:59,283 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:55:59 BoogieIcfgContainer [2020-10-12 22:55:59,283 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-12 22:55:59,284 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-12 22:55:59,284 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-12 22:55:59,287 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-12 22:55:59,288 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.10 10:55:46" (1/3) ... [2020-10-12 22:55:59,288 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c40c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:55:59, skipping insertion in model container [2020-10-12 22:55:59,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.10 10:55:48" (2/3) ... [2020-10-12 22:55:59,289 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40c40c22 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.10 10:55:59, skipping insertion in model container [2020-10-12 22:55:59,289 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.10 10:55:59" (3/3) ... [2020-10-12 22:55:59,291 INFO L109 eAbstractionObserver]: Analyzing ICFG linux-3.8-rc1-32_7a-drivers--input--misc--uinput.ko-ldv_main0.cil.out.i [2020-10-12 22:55:59,301 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-12 22:55:59,311 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-12 22:55:59,323 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-12 22:55:59,350 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-12 22:55:59,351 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-12 22:55:59,351 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-12 22:55:59,351 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-12 22:55:59,351 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-12 22:55:59,351 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-12 22:55:59,351 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-12 22:55:59,351 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-12 22:55:59,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1134 states. [2020-10-12 22:55:59,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2020-10-12 22:55:59,400 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:55:59,401 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] [2020-10-12 22:55:59,401 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:55:59,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:55:59,408 INFO L82 PathProgramCache]: Analyzing trace with hash 2118481841, now seen corresponding path program 1 times [2020-10-12 22:55:59,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:55:59,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [900252909] [2020-10-12 22:55:59,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:55:59,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:55:59,854 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:00,281 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:00,283 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-12 22:56:00,283 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:00,283 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 583 [2020-10-12 22:56:00,285 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:00,285 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:00,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:56:00,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 27 [2020-10-12 22:56:00,289 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-12 22:56:00,561 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 22:56:00,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:56:00,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:00,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:00,663 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:00,663 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:00,664 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:00,665 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 80 [2020-10-12 22:56:00,665 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:00,665 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:00,666 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:00,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:56:00,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:00,722 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:00,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:00,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:00,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:00,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 22:56:00,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:00,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:56:00,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:00,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 22:56:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:00,750 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:00,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:00,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:56:00,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:00,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-10-12 22:56:00,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:00,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:00,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:56:00,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:00,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 22:56:00,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:00,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:00,807 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:00,807 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:56:00,807 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:00,808 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 22:56:00,808 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:00,808 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:00,809 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:56:00,809 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:56:00,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:56:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:00,826 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:00,836 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:00,836 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:00,836 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:00,836 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:56:00,837 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:00,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:00,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:00,855 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:56:00,856 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [900252909] [2020-10-12 22:56:00,858 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:56:00,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:56:00,859 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180934118] [2020-10-12 22:56:00,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:56:00,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:56:00,880 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:56:00,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:56:00,883 INFO L87 Difference]: Start difference. First operand 1134 states. Second operand 5 states. [2020-10-12 22:56:01,196 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 22:56:11,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:56:11,932 INFO L93 Difference]: Finished difference Result 2062 states and 2771 transitions. [2020-10-12 22:56:11,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:56:11,934 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 28 [2020-10-12 22:56:11,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:56:11,993 INFO L225 Difference]: With dead ends: 2062 [2020-10-12 22:56:11,994 INFO L226 Difference]: Without dead ends: 1143 [2020-10-12 22:56:12,004 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:56:12,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1143 states. [2020-10-12 22:56:12,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1143 to 924. [2020-10-12 22:56:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 924 states. [2020-10-12 22:56:12,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 924 states and 1184 transitions. [2020-10-12 22:56:12,209 INFO L78 Accepts]: Start accepts. Automaton has 924 states and 1184 transitions. Word has length 28 [2020-10-12 22:56:12,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:56:12,209 INFO L479 AbstractCegarLoop]: Abstraction has 924 states and 1184 transitions. [2020-10-12 22:56:12,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:56:12,210 INFO L276 IsEmpty]: Start isEmpty. Operand 924 states and 1184 transitions. [2020-10-12 22:56:12,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-10-12 22:56:12,211 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:56:12,212 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] [2020-10-12 22:56:12,212 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-12 22:56:12,212 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:56:12,212 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:56:12,213 INFO L82 PathProgramCache]: Analyzing trace with hash 1247861199, now seen corresponding path program 1 times [2020-10-12 22:56:12,213 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:56:12,213 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2032168853] [2020-10-12 22:56:12,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:56:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:12,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:12,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:12,423 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 47 [2020-10-12 22:56:12,423 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:12,423 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 174 [2020-10-12 22:56:12,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:56:12,424 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 28 [2020-10-12 22:56:12,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:12,612 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 22:56:12,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:56:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:12,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:12,648 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:12,648 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:12,648 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:12,648 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 22:56:12,649 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:12,649 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:12,649 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:12,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:56:12,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:12,689 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:12,694 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:12,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:12,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:12,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:56:12,695 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:12,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:12,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:12,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:56:12,696 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:12,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 22:56:12,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:12,707 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:12,711 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:12,712 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:56:12,712 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:12,712 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:56:12,713 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:12,713 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:56:12,713 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:12,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 22:56:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:12,725 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:12,735 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:12,736 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:56:12,736 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:12,736 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:56:12,736 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:12,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:12,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:12,737 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:56:12,737 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:12,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:56:12,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:12,749 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:12,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:12,752 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:12,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:12,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:56:12,752 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:12,753 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:12,753 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:12,761 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:56:12,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2032168853] [2020-10-12 22:56:12,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:56:12,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:56:12,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [63568916] [2020-10-12 22:56:12,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:56:12,764 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:56:12,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:56:12,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:56:12,765 INFO L87 Difference]: Start difference. First operand 924 states and 1184 transitions. Second operand 5 states. [2020-10-12 22:56:13,012 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 22:56:25,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:56:25,210 INFO L93 Difference]: Finished difference Result 1145 states and 1532 transitions. [2020-10-12 22:56:25,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:56:25,211 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 29 [2020-10-12 22:56:25,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:56:25,221 INFO L225 Difference]: With dead ends: 1145 [2020-10-12 22:56:25,221 INFO L226 Difference]: Without dead ends: 1142 [2020-10-12 22:56:25,223 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:56:25,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1142 states. [2020-10-12 22:56:25,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1142 to 923. [2020-10-12 22:56:25,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 923 states. [2020-10-12 22:56:25,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 923 states to 923 states and 1182 transitions. [2020-10-12 22:56:25,322 INFO L78 Accepts]: Start accepts. Automaton has 923 states and 1182 transitions. Word has length 29 [2020-10-12 22:56:25,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:56:25,323 INFO L479 AbstractCegarLoop]: Abstraction has 923 states and 1182 transitions. [2020-10-12 22:56:25,323 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:56:25,323 INFO L276 IsEmpty]: Start isEmpty. Operand 923 states and 1182 transitions. [2020-10-12 22:56:25,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-10-12 22:56:25,324 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:56:25,324 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] [2020-10-12 22:56:25,324 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-12 22:56:25,325 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:56:25,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:56:25,325 INFO L82 PathProgramCache]: Analyzing trace with hash 28429940, now seen corresponding path program 1 times [2020-10-12 22:56:25,325 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:56:25,326 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [411054097] [2020-10-12 22:56:25,326 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:56:25,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:25,379 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:25,615 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:25,615 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 48 [2020-10-12 22:56:25,615 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:25,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 258 [2020-10-12 22:56:25,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:25,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-12 22:56:25,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 29 [2020-10-12 22:56:25,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:56:25,777 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 22:56:25,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:56:25,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:25,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:25,814 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:25,815 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:25,815 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:25,815 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-10-12 22:56:25,815 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:25,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:25,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:25,816 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:25,816 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:25,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:56:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:25,860 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:25,865 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:25,866 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:25,866 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:25,866 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-12 22:56:25,866 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:25,867 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-12 22:56:25,867 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:25,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 22:56:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:25,881 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:25,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:25,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:56:25,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:25,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-10-12 22:56:25,893 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:25,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:25,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:25,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-12 22:56:25,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:56:25,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 22:56:25,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:25,909 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:25,920 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:25,921 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:56:25,921 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:25,921 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-10-12 22:56:25,922 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:25,922 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 12 [2020-10-12 22:56:25,923 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:56:25,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:56:25,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:25,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:25,937 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:25,937 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:25,937 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:25,937 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:56:25,938 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:25,938 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:25,938 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:25,950 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-12 22:56:25,951 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [411054097] [2020-10-12 22:56:25,951 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:56:25,951 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-12 22:56:25,953 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1058714749] [2020-10-12 22:56:25,954 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-12 22:56:25,955 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:56:25,955 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-12 22:56:25,955 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-12 22:56:25,956 INFO L87 Difference]: Start difference. First operand 923 states and 1182 transitions. Second operand 5 states. [2020-10-12 22:56:26,296 WARN L193 SmtUtils]: Spent 188.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 22:56:41,340 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:56:41,341 INFO L93 Difference]: Finished difference Result 2787 states and 3638 transitions. [2020-10-12 22:56:41,341 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:56:41,342 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 30 [2020-10-12 22:56:41,342 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:56:41,354 INFO L225 Difference]: With dead ends: 2787 [2020-10-12 22:56:41,354 INFO L226 Difference]: Without dead ends: 1873 [2020-10-12 22:56:41,358 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-12 22:56:41,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1873 states. [2020-10-12 22:56:41,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1873 to 1754. [2020-10-12 22:56:41,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1754 states. [2020-10-12 22:56:41,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1754 states and 2275 transitions. [2020-10-12 22:56:41,549 INFO L78 Accepts]: Start accepts. Automaton has 1754 states and 2275 transitions. Word has length 30 [2020-10-12 22:56:41,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:56:41,549 INFO L479 AbstractCegarLoop]: Abstraction has 1754 states and 2275 transitions. [2020-10-12 22:56:41,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-12 22:56:41,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1754 states and 2275 transitions. [2020-10-12 22:56:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-12 22:56:41,555 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:56:41,555 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 22:56:41,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-12 22:56:41,556 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:56:41,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:56:41,556 INFO L82 PathProgramCache]: Analyzing trace with hash 80673665, now seen corresponding path program 1 times [2020-10-12 22:56:41,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:56:41,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [208792557] [2020-10-12 22:56:41,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:56:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:41,623 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:41,779 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:42,667 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:42,667 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 22:56:42,668 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:56:42,668 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1071 [2020-10-12 22:56:42,669 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:42,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:56:42,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-12 22:56:42,669 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 18 [2020-10-12 22:56:42,669 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:56:42,872 WARN L193 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 22:56:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:56:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:42,882 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:42,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:42,982 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:42,982 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:42,982 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 103 [2020-10-12 22:56:42,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:42,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:42,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:42,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:43,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:56:43,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:43,014 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:43,020 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:43,021 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:43,021 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:43,026 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:56:43,026 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:43,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:43,027 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:43,027 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:43,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 22:56:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:43,039 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:43,041 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:43,041 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:56:43,041 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:43,041 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:56:43,041 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:43,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:43,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:43,042 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:43,042 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:43,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 22:56:43,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:43,051 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:43,056 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:43,056 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:56:43,056 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:43,057 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:56:43,057 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:43,057 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:43,058 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:43,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:56:43,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:43,067 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:43,072 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:43,072 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:43,072 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:43,073 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:56:43,073 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:43,073 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:43,073 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:43,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 22:56:43,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:43,082 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:43,085 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:43,086 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:56:43,086 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:43,086 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:56:43,086 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:43,086 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:43,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:43,087 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:43,087 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:56:43,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 22:56:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:43,112 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:43,133 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:43,133 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 22:56:43,133 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:43,134 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-10-12 22:56:43,135 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:43,135 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 16 [2020-10-12 22:56:43,135 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:43,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:56:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:43,150 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:43,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:43,153 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:56:43,153 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:43,153 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:56:43,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:43,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:56:43,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:43,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:56:43,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-10-12 22:56:43,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:56:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:56:43,168 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:56:43,178 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:56:43,178 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 22:56:43,179 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:56:43,179 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:56:43,179 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:56:43,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-12 22:56:43,179 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:56:43,180 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-12 22:56:43,180 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:56:43,199 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-12 22:56:43,200 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [208792557] [2020-10-12 22:56:43,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:56:43,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-12 22:56:43,201 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [600511361] [2020-10-12 22:56:43,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-12 22:56:43,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:56:43,202 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-12 22:56:43,202 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-12 22:56:43,203 INFO L87 Difference]: Start difference. First operand 1754 states and 2275 transitions. Second operand 6 states. [2020-10-12 22:56:44,968 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 123 [2020-10-12 22:57:10,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:57:10,434 INFO L93 Difference]: Finished difference Result 3603 states and 4690 transitions. [2020-10-12 22:57:10,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-12 22:57:10,435 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 63 [2020-10-12 22:57:10,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:57:10,448 INFO L225 Difference]: With dead ends: 3603 [2020-10-12 22:57:10,448 INFO L226 Difference]: Without dead ends: 1871 [2020-10-12 22:57:10,458 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-12 22:57:10,462 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1871 states. [2020-10-12 22:57:10,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1871 to 1746. [2020-10-12 22:57:10,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1746 states. [2020-10-12 22:57:10,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1746 states to 1746 states and 2238 transitions. [2020-10-12 22:57:10,625 INFO L78 Accepts]: Start accepts. Automaton has 1746 states and 2238 transitions. Word has length 63 [2020-10-12 22:57:10,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:57:10,626 INFO L479 AbstractCegarLoop]: Abstraction has 1746 states and 2238 transitions. [2020-10-12 22:57:10,626 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-12 22:57:10,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2238 transitions. [2020-10-12 22:57:10,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-10-12 22:57:10,630 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:57:10,630 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 22:57:10,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-12 22:57:10,631 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:57:10,631 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:57:10,631 INFO L82 PathProgramCache]: Analyzing trace with hash -429860512, now seen corresponding path program 1 times [2020-10-12 22:57:10,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:57:10,632 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1277012769] [2020-10-12 22:57:10,632 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:57:10,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:10,710 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:10,756 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:12,022 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:12,022 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 93 [2020-10-12 22:57:12,022 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:57:12,023 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1339 [2020-10-12 22:57:12,023 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:57:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-12 22:57:12,023 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 22:57:12,024 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:12,269 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 22:57:12,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:57:12,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:12,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:12,306 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:12,307 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:12,307 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:12,307 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-10-12 22:57:12,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:12,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:12,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:12,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:12,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:57:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:12,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:12,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:12,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:12,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:12,345 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:57:12,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:12,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:12,346 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:12,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 22:57:12,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:12,357 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:12,360 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:12,360 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:57:12,360 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:12,361 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:57:12,361 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:12,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:12,361 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:12,362 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:12,362 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:12,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 22:57:12,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:12,371 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:12,375 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:12,375 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:57:12,376 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:12,376 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:57:12,376 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:12,376 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:12,377 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:12,377 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:12,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:57:12,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:12,385 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:12,387 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:12,387 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:12,388 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:12,388 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:57:12,388 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:12,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:12,388 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:12,389 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:12,389 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:12,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 22:57:12,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:12,397 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:12,399 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:12,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:57:12,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:12,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:57:12,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:12,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:12,400 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-10-12 22:57:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:12,427 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:12,468 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:12,469 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 22:57:12,469 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:12,469 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 47 [2020-10-12 22:57:12,469 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:12,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 22:57:12,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:12,470 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 22:57:12,470 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:12,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:57:12,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:12,525 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:12,527 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:12,527 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:12,527 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:12,528 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:57:12,528 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:12,528 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:12,529 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:12,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:57:12,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:12,540 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:12,552 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:12,552 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 22:57:12,553 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:12,553 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-10-12 22:57:12,553 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:57:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:12,553 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 22:57:12,554 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-12 22:57:12,595 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1277012769] [2020-10-12 22:57:12,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:57:12,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 22:57:12,596 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692735558] [2020-10-12 22:57:12,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 22:57:12,597 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:57:12,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 22:57:12,598 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-12 22:57:12,598 INFO L87 Difference]: Start difference. First operand 1746 states and 2238 transitions. Second operand 10 states. [2020-10-12 22:57:14,190 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 22:57:14,553 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 22:57:14,793 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 127 [2020-10-12 22:57:53,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:57:53,577 INFO L93 Difference]: Finished difference Result 1924 states and 2473 transitions. [2020-10-12 22:57:53,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-10-12 22:57:53,578 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 63 [2020-10-12 22:57:53,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:57:53,588 INFO L225 Difference]: With dead ends: 1924 [2020-10-12 22:57:53,588 INFO L226 Difference]: Without dead ends: 1818 [2020-10-12 22:57:53,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-12 22:57:53,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1818 states. [2020-10-12 22:57:53,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1818 to 1697. [2020-10-12 22:57:53,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1697 states. [2020-10-12 22:57:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1697 states to 1697 states and 2179 transitions. [2020-10-12 22:57:53,773 INFO L78 Accepts]: Start accepts. Automaton has 1697 states and 2179 transitions. Word has length 63 [2020-10-12 22:57:53,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:57:53,773 INFO L479 AbstractCegarLoop]: Abstraction has 1697 states and 2179 transitions. [2020-10-12 22:57:53,773 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 22:57:53,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2179 transitions. [2020-10-12 22:57:53,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-10-12 22:57:53,783 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:57:53,785 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 22:57:53,785 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-12 22:57:53,785 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:57:53,785 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:57:53,785 INFO L82 PathProgramCache]: Analyzing trace with hash 788709455, now seen corresponding path program 1 times [2020-10-12 22:57:53,786 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:57:53,786 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1173964092] [2020-10-12 22:57:53,786 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:57:53,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:53,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:53,941 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,305 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 102 [2020-10-12 22:57:55,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-12 22:57:55,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1461 [2020-10-12 22:57:55,306 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:57:55,306 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 72 [2020-10-12 22:57:55,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 22:57:55,307 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,533 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 22:57:55,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:57:55,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,542 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,561 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,561 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:55,561 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:55,561 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-10-12 22:57:55,562 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:55,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:55,562 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:55,562 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:57:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,597 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,601 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,601 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:55,602 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:55,602 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:57:55,602 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:55,602 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:55,603 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:55,603 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 22:57:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,613 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,616 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,616 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:57:55,616 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:55,616 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:57:55,616 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:55,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:55,617 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:55,617 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 22:57:55,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,626 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,632 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,633 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:57:55,633 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:55,633 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-12 22:57:55,633 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,633 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:55,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:55,634 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:55,634 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:57:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,643 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,645 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,645 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:55,646 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:55,646 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:57:55,646 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:55,646 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:55,647 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:55,647 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2020-10-12 22:57:55,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,656 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,658 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:57:55,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:55,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:57:55,659 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:55,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:55,660 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-10-12 22:57:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,688 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,719 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,720 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 22:57:55,720 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:55,720 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 37 [2020-10-12 22:57:55,720 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,720 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 22:57:55,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:55,721 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 22:57:55,721 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:57:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,764 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,767 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,768 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:57:55,768 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:55,768 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:57:55,768 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:55,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:55,769 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:55,769 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:57:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,782 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,792 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 22:57:55,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:55,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:57:55,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,793 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:57:55,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:57:55,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 22:57:55,794 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-10-12 22:57:55,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:57:55,942 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:57:55,946 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:57:55,946 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-12 22:57:55,946 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:57:55,946 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:57:55,947 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:57:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:57:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 6 [2020-10-12 22:57:55,947 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:57:55,947 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:57:55,961 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-12 22:57:55,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1173964092] [2020-10-12 22:57:55,962 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:57:55,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 22:57:55,963 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [426234673] [2020-10-12 22:57:55,964 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 22:57:55,964 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:57:55,965 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 22:57:55,965 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-10-12 22:57:55,965 INFO L87 Difference]: Start difference. First operand 1697 states and 2179 transitions. Second operand 11 states. [2020-10-12 22:57:56,128 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 22:57:58,110 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 22:57:58,504 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 22:57:58,813 WARN L193 SmtUtils]: Spent 182.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 22:57:59,215 WARN L193 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 22:57:59,562 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 135 [2020-10-12 22:58:46,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:58:46,978 INFO L93 Difference]: Finished difference Result 2060 states and 2691 transitions. [2020-10-12 22:58:46,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 22:58:46,979 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 70 [2020-10-12 22:58:46,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:58:46,989 INFO L225 Difference]: With dead ends: 2060 [2020-10-12 22:58:46,990 INFO L226 Difference]: Without dead ends: 1765 [2020-10-12 22:58:46,992 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=79, Invalid=227, Unknown=0, NotChecked=0, Total=306 [2020-10-12 22:58:46,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2020-10-12 22:58:47,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1526. [2020-10-12 22:58:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1526 states. [2020-10-12 22:58:47,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1526 states and 1959 transitions. [2020-10-12 22:58:47,161 INFO L78 Accepts]: Start accepts. Automaton has 1526 states and 1959 transitions. Word has length 70 [2020-10-12 22:58:47,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:58:47,162 INFO L479 AbstractCegarLoop]: Abstraction has 1526 states and 1959 transitions. [2020-10-12 22:58:47,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 22:58:47,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1526 states and 1959 transitions. [2020-10-12 22:58:47,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-10-12 22:58:47,165 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:58:47,165 INFO L422 BasicCegarLoop]: trace histogram [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] [2020-10-12 22:58:47,166 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-12 22:58:47,166 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:58:47,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:58:47,166 INFO L82 PathProgramCache]: Analyzing trace with hash 888304783, now seen corresponding path program 1 times [2020-10-12 22:58:47,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:58:47,167 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [654716656] [2020-10-12 22:58:47,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:58:47,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:47,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:47,817 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:47,818 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 105 [2020-10-12 22:58:47,818 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:47,818 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 597 [2020-10-12 22:58:47,818 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:58:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-10-12 22:58:47,819 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 22:58:47,819 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:58:48,041 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 22:58:48,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:58:48,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:48,053 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:48,078 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:48,078 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:58:48,079 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:48,079 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-10-12 22:58:48,079 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:58:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:48,080 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:58:48,081 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:58:48,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:58:48,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:48,124 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:48,130 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:48,130 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:58:48,130 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:48,131 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:58:48,131 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:48,131 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:58:48,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:48,132 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:58:48,132 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:58:48,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 22:58:48,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:48,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:48,157 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:48,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:58:48,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:48,158 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-10-12 22:58:48,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:48,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:58:48,159 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:48,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:58:48,160 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:58:48,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 22:58:48,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:48,170 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:48,174 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:48,175 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:58:48,175 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:48,175 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:58:48,175 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:48,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:58:48,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:48,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:58:48,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:58:48,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:58:48,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:48,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:48,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:48,193 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:58:48,193 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:48,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:58:48,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:48,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:58:48,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:48,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:58:48,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:58:48,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 22:58:48,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:48,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:48,208 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:48,208 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:58:48,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:48,209 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:58:48,209 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:58:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:48,209 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:58:48,210 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:58:48,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-10-12 22:58:48,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:48,236 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:48,269 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:48,269 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 22:58:48,269 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:48,270 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 38 [2020-10-12 22:58:48,270 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 22:58:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:48,270 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 22:58:48,271 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:58:48,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:58:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:48,321 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:48,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:48,329 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:58:48,329 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:48,329 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-10-12 22:58:48,330 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:58:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:48,330 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:58:48,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:58:48,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:58:48,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:58:48,342 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:58:48,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:58:48,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 22:58:48,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:58:48,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-10-12 22:58:48,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:58:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:58:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:58:48,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 22:58:48,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:58:48,386 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-10-12 22:58:48,386 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [654716656] [2020-10-12 22:58:48,386 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:58:48,387 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-12 22:58:48,387 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1823362980] [2020-10-12 22:58:48,387 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-12 22:58:48,388 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:58:48,388 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-12 22:58:48,388 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-10-12 22:58:48,389 INFO L87 Difference]: Start difference. First operand 1526 states and 1959 transitions. Second operand 10 states. [2020-10-12 22:58:50,519 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 22:58:50,920 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 22:58:51,194 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 126 [2020-10-12 22:59:04,106 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:59:04,106 INFO L93 Difference]: Finished difference Result 1743 states and 2216 transitions. [2020-10-12 22:59:04,107 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-10-12 22:59:04,107 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 73 [2020-10-12 22:59:04,108 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:59:04,115 INFO L225 Difference]: With dead ends: 1743 [2020-10-12 22:59:04,115 INFO L226 Difference]: Without dead ends: 1320 [2020-10-12 22:59:04,118 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=48, Invalid=162, Unknown=0, NotChecked=0, Total=210 [2020-10-12 22:59:04,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2020-10-12 22:59:04,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1236. [2020-10-12 22:59:04,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1236 states. [2020-10-12 22:59:04,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1236 states and 1547 transitions. [2020-10-12 22:59:04,242 INFO L78 Accepts]: Start accepts. Automaton has 1236 states and 1547 transitions. Word has length 73 [2020-10-12 22:59:04,243 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:59:04,243 INFO L479 AbstractCegarLoop]: Abstraction has 1236 states and 1547 transitions. [2020-10-12 22:59:04,243 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-12 22:59:04,243 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1547 transitions. [2020-10-12 22:59:04,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-10-12 22:59:04,246 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:59:04,247 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-12 22:59:04,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-12 22:59:04,247 INFO L427 AbstractCegarLoop]: === Iteration 8 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:59:04,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:59:04,247 INFO L82 PathProgramCache]: Analyzing trace with hash 563338372, now seen corresponding path program 1 times [2020-10-12 22:59:04,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:59:04,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [741163325] [2020-10-12 22:59:04,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:59:04,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:04,307 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:04,349 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:04,399 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:05,431 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:07,935 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:07,936 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 118 [2020-10-12 22:59:07,936 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-12 22:59:07,936 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3653 [2020-10-12 22:59:07,936 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:07,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:59:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 71 [2020-10-12 22:59:07,937 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 22:59:07,937 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,139 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 121 [2020-10-12 22:59:08,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:59:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,171 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,171 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:59:08,171 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,171 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-10-12 22:59:08,172 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:08,172 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,172 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:59:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,214 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,216 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,216 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:59:08,216 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,216 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-12 22:59:08,217 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:08,217 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,217 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-10-12 22:59:08,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,228 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:59:08,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,229 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:59:08,229 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:08,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,230 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2020-10-12 22:59:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,242 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,246 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,246 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 15 [2020-10-12 22:59:08,246 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,246 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-10-12 22:59:08,246 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:08,247 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,247 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:59:08,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,260 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,260 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:59:08,260 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,261 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:59:08,261 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:08,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,262 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-10-12 22:59:08,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,270 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,271 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:59:08,271 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,271 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 22:59:08,271 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,271 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:08,272 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,272 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-10-12 22:59:08,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,455 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,455 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 34 [2020-10-12 22:59:08,456 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,456 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 148 [2020-10-12 22:59:08,457 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-12 22:59:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 21 [2020-10-12 22:59:08,457 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-12 22:59:08,457 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-12 22:59:08,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,562 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,590 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 25 [2020-10-12 22:59:08,591 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,591 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-12 22:59:08,591 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-10-12 22:59:08,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:08,592 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 21 [2020-10-12 22:59:08,592 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-12 22:59:08,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-12 22:59:08,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,659 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,661 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,661 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:59:08,661 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,661 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:59:08,662 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:08,662 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,662 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-12 22:59:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,672 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,682 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-10-12 22:59:08,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-12 22:59:08,683 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 3 [2020-10-12 22:59:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:08,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-12 22:59:08,683 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-10-12 22:59:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,730 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,733 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,734 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:59:08,734 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,734 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-12 22:59:08,734 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,734 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-12 22:59:08,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,735 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 65 [2020-10-12 22:59:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,743 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,744 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,744 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 7 [2020-10-12 22:59:08,745 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,745 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-12 22:59:08,745 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 4 [2020-10-12 22:59:08,745 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,746 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-10-12 22:59:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,756 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,757 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-12 22:59:08,757 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,757 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-12 22:59:08,757 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 11 [2020-10-12 22:59:08,758 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,758 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-12 22:59:08,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:08,765 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:08,766 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-12 22:59:08,767 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-12 22:59:08,767 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-12 22:59:08,767 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-12 22:59:08,767 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-10-12 22:59:08,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-12 22:59:08,767 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-12 22:59:08,768 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-12 22:59:08,768 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-12 22:59:08,781 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-10-12 22:59:08,781 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [741163325] [2020-10-12 22:59:08,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-12 22:59:08,782 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-10-12 22:59:08,782 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693638670] [2020-10-12 22:59:08,782 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-10-12 22:59:08,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-12 22:59:08,783 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-10-12 22:59:08,783 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2020-10-12 22:59:08,783 INFO L87 Difference]: Start difference. First operand 1236 states and 1547 transitions. Second operand 11 states. [2020-10-12 22:59:08,992 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 130 [2020-10-12 22:59:35,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-12 22:59:35,233 INFO L93 Difference]: Finished difference Result 2581 states and 3255 transitions. [2020-10-12 22:59:35,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-10-12 22:59:35,235 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-10-12 22:59:35,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-12 22:59:35,243 INFO L225 Difference]: With dead ends: 2581 [2020-10-12 22:59:35,243 INFO L226 Difference]: Without dead ends: 1367 [2020-10-12 22:59:35,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=39, Invalid=143, Unknown=0, NotChecked=0, Total=182 [2020-10-12 22:59:35,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1367 states. [2020-10-12 22:59:35,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1367 to 1235. [2020-10-12 22:59:35,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1235 states. [2020-10-12 22:59:35,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1235 states to 1235 states and 1545 transitions. [2020-10-12 22:59:35,391 INFO L78 Accepts]: Start accepts. Automaton has 1235 states and 1545 transitions. Word has length 82 [2020-10-12 22:59:35,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-12 22:59:35,392 INFO L479 AbstractCegarLoop]: Abstraction has 1235 states and 1545 transitions. [2020-10-12 22:59:35,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-10-12 22:59:35,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1545 transitions. [2020-10-12 22:59:35,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2020-10-12 22:59:35,396 INFO L414 BasicCegarLoop]: Found error trace [2020-10-12 22:59:35,396 INFO L422 BasicCegarLoop]: trace histogram [3, 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] [2020-10-12 22:59:35,397 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-10-12 22:59:35,397 INFO L427 AbstractCegarLoop]: === Iteration 9 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-12 22:59:35,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-12 22:59:35,397 INFO L82 PathProgramCache]: Analyzing trace with hash 452249574, now seen corresponding path program 1 times [2020-10-12 22:59:35,398 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-12 22:59:35,398 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1669126693] [2020-10-12 22:59:35,398 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-12 22:59:35,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-12 22:59:35,469 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:35,509 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:35,558 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-12 22:59:36,244 FATAL L256 erpolLogProxyWrapper]: Now shrinking...