/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.4 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-25 06:12:44,772 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 06:12:44,777 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 06:12:44,822 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 06:12:44,823 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 06:12:44,831 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 06:12:44,834 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 06:12:44,837 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 06:12:44,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 06:12:44,843 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 06:12:44,844 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 06:12:44,847 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 06:12:44,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 06:12:44,850 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 06:12:44,852 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 06:12:44,854 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 06:12:44,855 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 06:12:44,856 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 06:12:44,858 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 06:12:44,864 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 06:12:44,868 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 06:12:44,869 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 06:12:44,870 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 06:12:44,871 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 06:12:44,873 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 06:12:44,873 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 06:12:44,874 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 06:12:44,875 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 06:12:44,875 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 06:12:44,876 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 06:12:44,876 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 06:12:44,877 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 06:12:44,878 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 06:12:44,879 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 06:12:44,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 06:12:44,880 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 06:12:44,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 06:12:44,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 06:12:44,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 06:12:44,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 06:12:44,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 06:12:44,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-09-25 06:12:44,912 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 06:12:44,912 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 06:12:44,913 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 06:12:44,914 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 06:12:44,914 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 06:12:44,914 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 06:12:44,914 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 06:12:44,914 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 06:12:44,915 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 06:12:44,915 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 06:12:44,915 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 06:12:44,915 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 06:12:44,915 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 06:12:44,916 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 06:12:44,916 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 06:12:44,916 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 06:12:44,916 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 06:12:44,916 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 06:12:44,917 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 06:12:44,917 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 06:12:44,917 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 06:12:44,917 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 06:12:44,918 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 06:12:44,918 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 06:12:44,918 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 06:12:44,918 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 06:12:44,918 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 06:12:44,919 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.4;log-additional-information=true; [2020-09-25 06:12:45,426 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 06:12:45,444 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 06:12:45,449 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 06:12:45,451 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 06:12:45,452 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 06:12:45,453 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 06:12:45,551 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a34af3f6/305f6fc34d14493888fdb4c742f768fd/FLAGb3b781a17 [2020-09-25 06:12:46,366 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 06:12:46,367 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 06:12:46,408 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a34af3f6/305f6fc34d14493888fdb4c742f768fd/FLAGb3b781a17 [2020-09-25 06:12:46,466 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4a34af3f6/305f6fc34d14493888fdb4c742f768fd [2020-09-25 06:12:46,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 06:12:46,489 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 06:12:46,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 06:12:46,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 06:12:46,498 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 06:12:46,499 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:12:46" (1/1) ... [2020-09-25 06:12:46,506 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ee39e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:46, skipping insertion in model container [2020-09-25 06:12:46,506 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 06:12:46" (1/1) ... [2020-09-25 06:12:46,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 06:12:46,623 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 06:12:47,655 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:12:47,708 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 06:12:47,956 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 06:12:48,079 INFO L208 MainTranslator]: Completed translation [2020-09-25 06:12:48,081 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48 WrapperNode [2020-09-25 06:12:48,081 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 06:12:48,089 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 06:12:48,089 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 06:12:48,089 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 06:12:48,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ... [2020-09-25 06:12:48,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ... [2020-09-25 06:12:48,176 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ... [2020-09-25 06:12:48,176 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ... [2020-09-25 06:12:48,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ... [2020-09-25 06:12:48,265 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ... [2020-09-25 06:12:48,282 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (1/1) ... [2020-09-25 06:12:48,302 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 06:12:48,306 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 06:12:48,306 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 06:12:48,306 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 06:12:48,309 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (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 [2020-09-25 06:12:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 06:12:48,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 06:12:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 06:12:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 06:12:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 06:12:48,415 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-09-25 06:12:48,416 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-09-25 06:12:48,416 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-09-25 06:12:48,416 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-09-25 06:12:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-09-25 06:12:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-09-25 06:12:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-09-25 06:12:48,417 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-09-25 06:12:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-09-25 06:12:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-09-25 06:12:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 06:12:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 06:12:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 06:12:48,418 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 06:12:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 06:12:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 06:12:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 06:12:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 06:12:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-09-25 06:12:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-25 06:12:48,420 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-09-25 06:12:48,421 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-09-25 06:12:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 06:12:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 06:12:48,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 06:12:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,425 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,426 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 06:12:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 06:12:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 06:12:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 06:12:48,427 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 06:12:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 06:12:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 06:12:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 06:12:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 06:12:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 06:12:48,428 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 06:12:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 06:12:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 06:12:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 06:12:48,430 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 06:12:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 06:12:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 06:12:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 06:12:48,431 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 06:12:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 06:12:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 06:12:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 06:12:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 06:12:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-25 06:12:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 06:12:48,432 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 06:12:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 06:12:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 06:12:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 06:12:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-09-25 06:12:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-09-25 06:12:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-09-25 06:12:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-09-25 06:12:48,433 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-09-25 06:12:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 06:12:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 06:12:48,434 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 06:12:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-09-25 06:12:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-09-25 06:12:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-09-25 06:12:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-09-25 06:12:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-09-25 06:12:48,435 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 06:12:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 06:12:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 06:12:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 06:12:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 06:12:48,436 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-25 06:12:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 06:12:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 06:12:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 06:12:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 06:12:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 06:12:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 06:12:48,437 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-25 06:12:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-09-25 06:12:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 06:12:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 06:12:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 06:12:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 06:12:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-09-25 06:12:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-09-25 06:12:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,438 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 06:12:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 06:12:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 06:12:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 06:12:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 06:12:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 06:12:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 06:12:48,439 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 06:12:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-09-25 06:12:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 06:12:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 06:12:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 06:12:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-09-25 06:12:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-09-25 06:12:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-09-25 06:12:48,440 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-09-25 06:12:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-09-25 06:12:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-09-25 06:12:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-09-25 06:12:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-09-25 06:12:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-09-25 06:12:48,441 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-09-25 06:12:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-09-25 06:12:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-09-25 06:12:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 06:12:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 06:12:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-09-25 06:12:48,442 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-09-25 06:12:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 06:12:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-09-25 06:12:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-09-25 06:12:48,443 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 06:12:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 06:12:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 06:12:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-09-25 06:12:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-09-25 06:12:48,444 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-09-25 06:12:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 06:12:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 06:12:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 06:12:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 06:12:48,445 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 06:12:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,446 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 06:12:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 06:12:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 06:12:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 06:12:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 06:12:48,447 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 06:12:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 06:12:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 06:12:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 06:12:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 06:12:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 06:12:48,448 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 06:12:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 06:12:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 06:12:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 06:12:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 06:12:48,449 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 06:12:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 06:12:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 06:12:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 06:12:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 06:12:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 06:12:48,450 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 06:12:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 06:12:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 06:12:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 06:12:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 06:12:48,451 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 06:12:50,145 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 06:12:50,145 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 06:12:50,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:12:50 BoogieIcfgContainer [2020-09-25 06:12:50,157 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 06:12:50,159 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 06:12:50,159 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 06:12:50,163 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 06:12:50,164 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 06:12:46" (1/3) ... [2020-09-25 06:12:50,165 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8bea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:12:50, skipping insertion in model container [2020-09-25 06:12:50,165 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 06:12:48" (2/3) ... [2020-09-25 06:12:50,166 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7a8bea8f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 06:12:50, skipping insertion in model container [2020-09-25 06:12:50,166 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 06:12:50" (3/3) ... [2020-09-25 06:12:50,168 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 06:12:50,183 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 06:12:50,196 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 06:12:50,221 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 06:12:50,256 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 06:12:50,256 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 06:12:50,256 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 06:12:50,256 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 06:12:50,256 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 06:12:50,257 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 06:12:50,257 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 06:12:50,257 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 06:12:50,296 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states. [2020-09-25 06:12:50,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-25 06:12:50,317 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:12:50,319 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:12:50,320 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:12:50,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:12:50,330 INFO L82 PathProgramCache]: Analyzing trace with hash -945339618, now seen corresponding path program 1 times [2020-09-25 06:12:50,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:12:50,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [199426314] [2020-09-25 06:12:50,343 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:12:50,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:12:51,038 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:51,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:52,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:12:52,533 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-25 06:12:52,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:12:52,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1708 [2020-09-25 06:12:52,537 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:12:52,538 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:12:52,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:12:52,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-09-25 06:12:52,538 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 06:12:52,539 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 06:12:53,039 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 06:12:53,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:12:53,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:12:53,085 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:53,299 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:12:53,300 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 06:12:53,300 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:12:53,300 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 238 [2020-09-25 06:12:53,301 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:12:53,301 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:12:53,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:12:53,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:12:53,302 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:12:53,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:12:53,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 06:12:53,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:12:53,472 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:53,496 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:12:53,496 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:12:53,496 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:12:53,497 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 06:12:53,497 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:12:53,497 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:12:53,497 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:12:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:12:53,498 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 06:12:53,498 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:12:53,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 06:12:53,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:12:53,517 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:53,548 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:12:53,549 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:12:53,549 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:12:53,549 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 34 [2020-09-25 06:12:53,550 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:12:53,550 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:12:53,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:12:53,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:12:53,551 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 06:12:53,552 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:12:53,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:12:53,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:12:53,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:53,577 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:12:53,578 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:12:53,578 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:12:53,579 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:12:53,579 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:12:53,580 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:12:53,580 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:12:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:12:53,581 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:12:53,581 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:12:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:12:53,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [199426314] [2020-09-25 06:12:53,785 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:12:53,785 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:12:53,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [201921843] [2020-09-25 06:12:53,795 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:12:53,795 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:12:53,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:12:53,814 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:12:53,817 INFO L87 Difference]: Start difference. First operand 934 states. Second operand 5 states. [2020-09-25 06:12:54,984 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 06:12:57,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:12:57,049 INFO L93 Difference]: Finished difference Result 1280 states and 1446 transitions. [2020-09-25 06:12:57,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:12:57,052 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-09-25 06:12:57,054 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:12:57,080 INFO L225 Difference]: With dead ends: 1280 [2020-09-25 06:12:57,080 INFO L226 Difference]: Without dead ends: 778 [2020-09-25 06:12:57,089 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:12:57,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-09-25 06:12:57,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 735. [2020-09-25 06:12:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-09-25 06:12:57,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 793 transitions. [2020-09-25 06:12:57,285 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 793 transitions. Word has length 278 [2020-09-25 06:12:57,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:12:57,293 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 793 transitions. [2020-09-25 06:12:57,294 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:12:57,294 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 793 transitions. [2020-09-25 06:12:57,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-25 06:12:57,314 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:12:57,315 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:12:57,315 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 06:12:57,315 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:12:57,316 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:12:57,316 INFO L82 PathProgramCache]: Analyzing trace with hash 758943000, now seen corresponding path program 1 times [2020-09-25 06:12:57,317 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:12:57,317 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [453678808] [2020-09-25 06:12:57,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:12:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:12:57,541 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:57,980 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:58,589 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:12:58,590 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 06:12:58,590 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:12:58,590 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1140 [2020-09-25 06:12:58,590 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:12:58,591 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:12:58,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:12:58,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-09-25 06:12:58,591 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 06:12:58,591 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:12:58,892 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 06:12:58,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:12:58,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:12:58,926 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:59,126 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:12:59,126 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 06:12:59,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:12:59,127 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 219 [2020-09-25 06:12:59,127 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:12:59,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:12:59,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:12:59,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:12:59,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:12:59,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:12:59,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 06:12:59,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:12:59,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:59,307 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:12:59,308 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:12:59,308 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:12:59,308 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 06:12:59,308 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:12:59,309 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:12:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:12:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:12:59,309 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 06:12:59,309 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:12:59,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 06:12:59,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:12:59,327 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:59,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:12:59,352 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:12:59,352 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:12:59,352 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 06:12:59,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:12:59,353 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:12:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:12:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:12:59,353 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 06:12:59,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:12:59,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:12:59,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:12:59,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:12:59,369 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:12:59,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:12:59,370 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:12:59,370 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:12:59,370 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:12:59,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:12:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:12:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:12:59,371 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:12:59,371 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:12:59,494 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:12:59,494 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [453678808] [2020-09-25 06:12:59,495 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:12:59,495 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:12:59,495 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594972892] [2020-09-25 06:12:59,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:12:59,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:12:59,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:12:59,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:12:59,499 INFO L87 Difference]: Start difference. First operand 735 states and 793 transitions. Second operand 5 states. [2020-09-25 06:13:00,603 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 06:13:02,453 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:02,454 INFO L93 Difference]: Finished difference Result 780 states and 845 transitions. [2020-09-25 06:13:02,454 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:13:02,454 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2020-09-25 06:13:02,455 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:02,462 INFO L225 Difference]: With dead ends: 780 [2020-09-25 06:13:02,462 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 06:13:02,464 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:13:02,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 06:13:02,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 734. [2020-09-25 06:13:02,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-09-25 06:13:02,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 791 transitions. [2020-09-25 06:13:02,566 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 791 transitions. Word has length 279 [2020-09-25 06:13:02,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:02,567 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 791 transitions. [2020-09-25 06:13:02,567 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:13:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 791 transitions. [2020-09-25 06:13:02,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 06:13:02,574 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:02,574 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:13:02,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 06:13:02,575 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:02,575 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:02,575 INFO L82 PathProgramCache]: Analyzing trace with hash 2052101473, now seen corresponding path program 1 times [2020-09-25 06:13:02,576 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:02,576 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665830651] [2020-09-25 06:13:02,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:02,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:02,799 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:03,157 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:03,833 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:03,834 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 06:13:03,834 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:03,835 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1133 [2020-09-25 06:13:03,835 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:03,835 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:03,836 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-09-25 06:13:03,837 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 06:13:03,837 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:04,290 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 06:13:04,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:04,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:04,329 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:04,568 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:04,568 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 06:13:04,568 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:04,568 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 262 [2020-09-25 06:13:04,569 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:04,569 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:04,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:04,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:04,569 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:04,570 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:13:04,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 06:13:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:04,715 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:04,737 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:04,738 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:13:04,738 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:04,738 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 06:13:04,739 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:04,739 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:04,739 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:13:04,740 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:04,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 06:13:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:04,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:04,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:04,774 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:13:04,774 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:04,774 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 06:13:04,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:04,775 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:04,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 06:13:04,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:13:04,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:04,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:04,784 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:04,792 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:04,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:04,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:04,793 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:13:04,793 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:04,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:04,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:04,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:04,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:04,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:04,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:13:04,871 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665830651] [2020-09-25 06:13:04,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:04,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:13:04,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [391558146] [2020-09-25 06:13:04,873 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:13:04,873 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:04,874 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:13:04,874 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:13:04,874 INFO L87 Difference]: Start difference. First operand 734 states and 791 transitions. Second operand 5 states. [2020-09-25 06:13:06,212 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 06:13:08,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:08,379 INFO L93 Difference]: Finished difference Result 781 states and 844 transitions. [2020-09-25 06:13:08,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:13:08,380 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 280 [2020-09-25 06:13:08,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:08,386 INFO L225 Difference]: With dead ends: 781 [2020-09-25 06:13:08,386 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 06:13:08,387 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:13:08,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 06:13:08,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 732. [2020-09-25 06:13:08,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-09-25 06:13:08,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 787 transitions. [2020-09-25 06:13:08,433 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 787 transitions. Word has length 280 [2020-09-25 06:13:08,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:08,434 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 787 transitions. [2020-09-25 06:13:08,434 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:13:08,434 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 787 transitions. [2020-09-25 06:13:08,438 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-25 06:13:08,438 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:08,439 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:13:08,439 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 06:13:08,439 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:08,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:08,440 INFO L82 PathProgramCache]: Analyzing trace with hash -809653957, now seen corresponding path program 1 times [2020-09-25 06:13:08,440 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:08,440 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1699353807] [2020-09-25 06:13:08,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:08,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:08,599 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:08,956 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:09,641 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:09,641 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-25 06:13:09,642 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 06:13:09,642 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1117 [2020-09-25 06:13:09,642 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:09,642 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:09,642 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-09-25 06:13:09,643 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 06:13:09,643 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:09,938 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 06:13:09,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:09,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:09,970 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:10,153 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:10,154 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 06:13:10,154 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:10,154 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-09-25 06:13:10,154 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:10,155 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:10,155 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:10,155 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:10,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 06:13:10,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:10,274 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:10,292 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:10,292 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:13:10,292 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:10,293 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 06:13:10,293 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:10,293 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:10,293 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:10,294 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:13:10,294 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:10,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 06:13:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:10,310 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:10,328 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:10,328 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 06:13:10,328 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:10,328 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 06:13:10,329 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:10,329 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:10,329 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 06:13:10,330 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:13:10,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:10,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:10,339 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:10,345 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:10,345 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:10,345 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:10,346 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 06:13:10,346 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:10,346 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:10,346 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:10,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:10,347 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:10,347 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:10,437 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:13:10,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1699353807] [2020-09-25 06:13:10,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:10,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 06:13:10,438 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1670376746] [2020-09-25 06:13:10,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 06:13:10,439 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:10,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 06:13:10,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 06:13:10,440 INFO L87 Difference]: Start difference. First operand 732 states and 787 transitions. Second operand 5 states. [2020-09-25 06:13:11,589 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 06:13:13,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:13,590 INFO L93 Difference]: Finished difference Result 777 states and 839 transitions. [2020-09-25 06:13:13,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 06:13:13,591 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2020-09-25 06:13:13,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:13,596 INFO L225 Difference]: With dead ends: 777 [2020-09-25 06:13:13,597 INFO L226 Difference]: Without dead ends: 760 [2020-09-25 06:13:13,599 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:13:13,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-25 06:13:13,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 717. [2020-09-25 06:13:13,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-09-25 06:13:13,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 770 transitions. [2020-09-25 06:13:13,644 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 770 transitions. Word has length 281 [2020-09-25 06:13:13,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:13,645 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 770 transitions. [2020-09-25 06:13:13,645 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 06:13:13,645 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 770 transitions. [2020-09-25 06:13:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-25 06:13:13,656 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:13,657 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:13:13,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 06:13:13,657 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:13,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:13,658 INFO L82 PathProgramCache]: Analyzing trace with hash -1704679464, now seen corresponding path program 1 times [2020-09-25 06:13:13,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:13,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [867672694] [2020-09-25 06:13:13,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:13,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:14,161 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:14,534 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:16,618 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:16,618 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-25 06:13:16,618 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 06:13:16,618 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2833 [2020-09-25 06:13:16,619 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:16,619 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:16,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:16,619 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 259 [2020-09-25 06:13:16,620 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 24 [2020-09-25 06:13:16,620 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:16,902 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 06:13:16,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:16,939 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:17,119 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:17,119 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 06:13:17,119 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:17,120 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 202 [2020-09-25 06:13:17,120 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:17,120 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:17,120 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:17,121 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:17,121 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:17,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 06:13:17,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:17,226 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:17,239 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:17,239 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:13:17,239 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:17,240 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:13:17,240 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:17,240 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:17,241 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:17,242 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:17,242 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 06:13:17,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-09-25 06:13:17,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:17,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:17,286 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:17,286 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 06:13:17,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:17,287 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 06:13:17,287 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:17,287 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:17,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 17 [2020-09-25 06:13:17,288 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:17,288 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:17,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:13:17,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:17,299 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:17,312 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:17,313 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:13:17,313 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:17,313 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 06:13:17,313 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:17,314 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:17,314 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:17,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:17,315 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:17,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 06:13:17,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:17,338 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:17,354 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:17,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 06:13:17,355 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:17,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 06:13:17,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:17,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 20 [2020-09-25 06:13:17,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:17,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:17,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:13:17,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:17,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:17,373 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:17,374 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:13:17,374 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:17,374 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 06:13:17,374 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:17,375 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:17,375 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:17,375 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:17,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:17,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:17,386 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:17,395 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:17,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:17,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:17,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 11 [2020-09-25 06:13:17,396 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:17,396 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:17,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:17,397 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:17,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-25 06:13:17,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:17,408 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:17,423 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:17,424 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:13:17,424 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:17,424 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 06:13:17,424 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:17,425 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:17,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:17,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 9 [2020-09-25 06:13:17,425 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:17,425 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:17,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-25 06:13:17,525 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [867672694] [2020-09-25 06:13:17,525 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:17,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:13:17,526 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796082103] [2020-09-25 06:13:17,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:13:17,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:17,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:13:17,532 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:13:17,532 INFO L87 Difference]: Start difference. First operand 717 states and 770 transitions. Second operand 7 states. [2020-09-25 06:13:18,569 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 06:13:22,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:22,650 INFO L93 Difference]: Finished difference Result 1812 states and 2058 transitions. [2020-09-25 06:13:22,654 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-25 06:13:22,654 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 329 [2020-09-25 06:13:22,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:22,663 INFO L225 Difference]: With dead ends: 1812 [2020-09-25 06:13:22,663 INFO L226 Difference]: Without dead ends: 1347 [2020-09-25 06:13:22,665 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=54, Invalid=102, Unknown=0, NotChecked=0, Total=156 [2020-09-25 06:13:22,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2020-09-25 06:13:22,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 1049. [2020-09-25 06:13:22,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1049 states. [2020-09-25 06:13:22,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 1049 states and 1142 transitions. [2020-09-25 06:13:22,743 INFO L78 Accepts]: Start accepts. Automaton has 1049 states and 1142 transitions. Word has length 329 [2020-09-25 06:13:22,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:22,744 INFO L479 AbstractCegarLoop]: Abstraction has 1049 states and 1142 transitions. [2020-09-25 06:13:22,744 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:13:22,744 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1142 transitions. [2020-09-25 06:13:22,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 371 [2020-09-25 06:13:22,751 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 06:13:22,751 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-25 06:13:22,751 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 06:13:22,752 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 06:13:22,752 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 06:13:22,752 INFO L82 PathProgramCache]: Analyzing trace with hash -80114865, now seen corresponding path program 1 times [2020-09-25 06:13:22,752 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 06:13:22,753 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1917310603] [2020-09-25 06:13:22,753 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 06:13:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:22,951 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:24,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:24,451 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 403 [2020-09-25 06:13:24,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:24,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1596 [2020-09-25 06:13:24,452 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:24,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:24,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 06:13:24,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 364 [2020-09-25 06:13:24,453 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 06:13:24,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:24,745 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 06:13:24,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 06:13:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:24,777 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:24,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:24,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 06:13:24,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:24,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 203 [2020-09-25 06:13:24,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:24,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:24,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:24,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:24,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:24,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 06:13:25,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,110 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,124 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,124 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:13:25,125 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,125 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 06:13:25,125 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,125 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,126 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:25,127 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 268 [2020-09-25 06:13:25,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,141 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,158 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,158 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 06:13:25,158 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,159 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 06:13:25,159 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,159 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,160 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:25,161 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:13:25,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,186 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,187 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 13 [2020-09-25 06:13:25,187 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,188 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 06:13:25,188 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,188 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,189 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:25,189 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 320 [2020-09-25 06:13:25,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,216 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,231 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,231 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 06:13:25,231 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,231 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 06:13:25,232 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,232 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:25,232 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,233 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:25,233 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:13:25,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,259 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,259 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:13:25,259 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 06:13:25,260 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,260 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 06:13:25,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,261 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 06:13:25,261 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 336 [2020-09-25 06:13:25,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,320 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,320 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 06:13:25,320 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,321 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 32 [2020-09-25 06:13:25,321 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,321 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:25,321 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:13:25,322 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 06:13:25,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,352 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 06:13:25,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 06:13:25,353 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:25,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 06:13:25,354 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 06:13:25,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 06:13:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,378 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 06:13:25,379 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,379 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 06:13:25,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 06:13:25,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 351 [2020-09-25 06:13:25,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 06:13:25,393 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 06:13:25,413 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 06:13:25,413 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 06:13:25,413 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 06:13:25,413 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 06:13:25,414 FATAL L256 erpolLogProxyWrapper]: Heuristic: WIDESTAMONGSMALL [2020-09-25 06:13:25,414 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.4 [2020-09-25 06:13:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 06:13:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 06:13:25,414 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 06:13:25,415 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 06:13:25,592 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-09-25 06:13:25,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1917310603] [2020-09-25 06:13:25,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 06:13:25,592 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 06:13:25,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1238204815] [2020-09-25 06:13:25,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 06:13:25,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 06:13:25,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 06:13:25,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 06:13:25,595 INFO L87 Difference]: Start difference. First operand 1049 states and 1142 transitions. Second operand 7 states. [2020-09-25 06:13:27,567 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 06:13:28,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 06:13:28,403 INFO L93 Difference]: Finished difference Result 1341 states and 1526 transitions. [2020-09-25 06:13:28,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 06:13:28,405 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 370 [2020-09-25 06:13:28,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 06:13:28,406 INFO L225 Difference]: With dead ends: 1341 [2020-09-25 06:13:28,406 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 06:13:28,409 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-09-25 06:13:28,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 06:13:28,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 06:13:28,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 06:13:28,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 06:13:28,410 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 370 [2020-09-25 06:13:28,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 06:13:28,411 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 06:13:28,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 06:13:28,411 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 06:13:28,411 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 06:13:28,411 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-09-25 06:13:28,413 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 06:13:28,593 WARN L193 SmtUtils]: Spent 175.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:28,753 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 06:13:28,912 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 06:13:29,061 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:29,222 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 06:13:29,371 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:29,621 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 06:13:29,766 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:29,920 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 06:13:30,073 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:30,224 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:30,374 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 06:13:30,513 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:30,684 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:30,825 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:30,972 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 06:13:31,110 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 06:13:31,277 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:31,430 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:31,804 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23 [2020-09-25 06:13:32,127 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23 [2020-09-25 06:13:32,263 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:32,401 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:32,582 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:32,721 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 06:13:32,858 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:32,994 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:33,133 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 06:13:33,268 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 06:13:33,403 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 06:13:33,543 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 176 [2020-09-25 06:13:33,683 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 06:13:33,805 WARN L193 SmtUtils]: Spent 121.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 06:13:34,126 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23 [2020-09-25 06:13:34,435 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 26 [2020-09-25 06:13:34,756 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 23 [2020-09-25 06:13:35,063 WARN L193 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 193 DAG size of output: 26