/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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 13:00:37,668 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 13:00:37,672 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 13:00:37,697 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 13:00:37,697 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 13:00:37,699 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 13:00:37,700 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 13:00:37,702 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 13:00:37,704 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 13:00:37,705 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 13:00:37,706 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 13:00:37,707 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 13:00:37,707 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 13:00:37,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 13:00:37,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 13:00:37,711 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 13:00:37,712 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 13:00:37,713 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 13:00:37,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 13:00:37,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 13:00:37,718 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 13:00:37,719 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 13:00:37,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 13:00:37,721 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 13:00:37,724 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 13:00:37,724 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 13:00:37,724 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 13:00:37,725 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 13:00:37,726 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 13:00:37,727 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 13:00:37,727 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 13:00:37,728 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 13:00:37,729 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 13:00:37,730 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 13:00:37,731 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 13:00:37,731 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 13:00:37,732 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 13:00:37,732 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 13:00:37,732 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 13:00:37,733 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 13:00:37,734 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 13:00:37,735 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 13:00:37,761 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 13:00:37,761 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 13:00:37,763 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 13:00:37,763 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 13:00:37,763 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 13:00:37,764 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 13:00:37,764 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 13:00:37,764 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 13:00:37,764 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 13:00:37,764 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 13:00:37,764 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 13:00:37,765 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 13:00:37,765 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 13:00:37,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 13:00:37,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 13:00:37,765 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 13:00:37,766 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 13:00:37,766 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 13:00:37,766 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 13:00:37,766 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 13:00:37,766 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 13:00:37,767 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 13:00:37,767 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 13:00:37,767 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 13:00:37,767 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 13:00:37,767 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 13:00:37,768 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 13:00:37,768 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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;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=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-09-25 13:00:38,234 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 13:00:38,250 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 13:00:38,255 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 13:00:38,258 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 13:00:38,259 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 13:00:38,260 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 13:00:38,344 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8089cad40/8698d9953ade4423af95d763f8e3cd56/FLAG1c1bf69d5 [2020-09-25 13:00:39,103 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 13:00:39,104 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 13:00:39,135 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8089cad40/8698d9953ade4423af95d763f8e3cd56/FLAG1c1bf69d5 [2020-09-25 13:00:39,265 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/8089cad40/8698d9953ade4423af95d763f8e3cd56 [2020-09-25 13:00:39,278 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 13:00:39,284 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 13:00:39,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 13:00:39,286 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 13:00:39,290 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 13:00:39,291 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:00:39" (1/1) ... [2020-09-25 13:00:39,296 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:39, skipping insertion in model container [2020-09-25 13:00:39,296 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 01:00:39" (1/1) ... [2020-09-25 13:00:39,306 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 13:00:39,386 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 13:00:40,466 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:00:40,507 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 13:00:40,691 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 13:00:40,773 INFO L208 MainTranslator]: Completed translation [2020-09-25 13:00:40,773 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:40 WrapperNode [2020-09-25 13:00:40,774 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 13:00:40,775 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 13:00:40,775 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 13:00:40,775 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 13:00:40,795 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:40" (1/1) ... [2020-09-25 13:00:40,795 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:40" (1/1) ... [2020-09-25 13:00:40,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:40" (1/1) ... [2020-09-25 13:00:40,829 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:40" (1/1) ... [2020-09-25 13:00:40,876 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:40" (1/1) ... [2020-09-25 13:00:40,889 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:40" (1/1) ... [2020-09-25 13:00:40,910 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:40" (1/1) ... [2020-09-25 13:00:40,927 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 13:00:40,928 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 13:00:40,928 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 13:00:40,928 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 13:00:40,930 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:40" (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 13:00:41,017 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 13:00:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 13:00:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 13:00:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 13:00:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 13:00:41,018 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-09-25 13:00:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-09-25 13:00:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-09-25 13:00:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-09-25 13:00:41,019 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-09-25 13:00:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-09-25 13:00:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-09-25 13:00:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-09-25 13:00:41,020 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-09-25 13:00:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-09-25 13:00:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 13:00:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 13:00:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 13:00:41,021 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 13:00:41,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 13:00:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 13:00:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 13:00:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 13:00:41,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-09-25 13:00:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-25 13:00:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-09-25 13:00:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-09-25 13:00:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 13:00:41,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 13:00:41,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 13:00:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,029 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 13:00:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 13:00:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 13:00:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 13:00:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 13:00:41,030 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 13:00:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 13:00:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 13:00:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 13:00:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 13:00:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 13:00:41,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 13:00:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 13:00:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 13:00:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 13:00:41,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 13:00:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 13:00:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 13:00:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 13:00:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 13:00:41,033 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 13:00:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 13:00:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 13:00:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-25 13:00:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 13:00:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 13:00:41,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 13:00:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 13:00:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 13:00:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-09-25 13:00:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-09-25 13:00:41,035 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-09-25 13:00:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-09-25 13:00:41,036 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-09-25 13:00:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 13:00:41,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 13:00:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 13:00:41,038 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-09-25 13:00:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-09-25 13:00:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-09-25 13:00:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-09-25 13:00:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-09-25 13:00:41,039 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 13:00:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 13:00:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 13:00:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 13:00:41,040 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 13:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-25 13:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 13:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 13:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 13:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 13:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 13:00:41,041 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 13:00:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-25 13:00:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-09-25 13:00:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 13:00:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 13:00:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 13:00:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 13:00:41,042 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-09-25 13:00:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-09-25 13:00:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 13:00:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 13:00:41,043 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 13:00:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 13:00:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 13:00:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 13:00:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 13:00:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 13:00:41,044 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-09-25 13:00:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 13:00:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 13:00:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 13:00:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-09-25 13:00:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-09-25 13:00:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-09-25 13:00:41,045 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-09-25 13:00:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-09-25 13:00:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-09-25 13:00:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-09-25 13:00:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-09-25 13:00:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-09-25 13:00:41,046 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-09-25 13:00:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-09-25 13:00:41,047 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-09-25 13:00:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 13:00:41,050 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 13:00:41,051 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-09-25 13:00:41,052 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-09-25 13:00:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 13:00:41,058 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-09-25 13:00:41,060 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-09-25 13:00:41,062 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 13:00:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 13:00:41,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 13:00:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-09-25 13:00:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-09-25 13:00:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-09-25 13:00:41,065 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 13:00:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 13:00:41,066 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 13:00:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 13:00:41,067 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 13:00:41,069 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,070 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 13:00:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 13:00:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 13:00:41,079 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 13:00:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 13:00:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 13:00:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 13:00:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 13:00:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 13:00:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 13:00:41,080 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 13:00:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 13:00:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 13:00:41,081 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 13:00:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 13:00:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 13:00:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 13:00:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 13:00:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 13:00:41,082 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 13:00:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 13:00:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 13:00:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 13:00:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 13:00:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 13:00:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 13:00:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 13:00:41,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 13:00:42,880 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 13:00:42,881 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 13:00:42,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:00:42 BoogieIcfgContainer [2020-09-25 13:00:42,892 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 13:00:42,893 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 13:00:42,893 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 13:00:42,897 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 13:00:42,898 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 01:00:39" (1/3) ... [2020-09-25 13:00:42,898 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b169853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:00:42, skipping insertion in model container [2020-09-25 13:00:42,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 01:00:40" (2/3) ... [2020-09-25 13:00:42,899 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2b169853 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 01:00:42, skipping insertion in model container [2020-09-25 13:00:42,899 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 01:00:42" (3/3) ... [2020-09-25 13:00:42,901 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 13:00:42,914 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 13:00:42,926 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 13:00:42,949 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 13:00:42,984 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 13:00:42,984 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 13:00:42,984 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 13:00:42,984 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 13:00:42,984 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 13:00:42,985 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 13:00:42,985 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 13:00:42,985 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 13:00:43,027 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states. [2020-09-25 13:00:43,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-25 13:00:43,050 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:00:43,052 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 13:00:43,052 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:00:43,059 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:00:43,059 INFO L82 PathProgramCache]: Analyzing trace with hash -945339618, now seen corresponding path program 1 times [2020-09-25 13:00:43,068 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:00:43,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [350084601] [2020-09-25 13:00:43,069 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:00:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:43,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:44,442 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:45,196 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:45,197 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-25 13:00:45,197 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:00:45,197 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1621 [2020-09-25 13:00:45,201 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:45,201 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:45,201 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-09-25 13:00:45,202 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 13:00:45,202 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 13:00:45,677 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 13:00:45,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:00:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:45,753 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:46,023 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:46,024 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 13:00:46,024 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:46,024 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 306 [2020-09-25 13:00:46,025 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:46,025 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:46,025 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:46,026 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:46,026 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:46,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 13:00:46,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:46,259 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:46,296 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:46,297 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:00:46,297 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:46,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 43 [2020-09-25 13:00:46,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:46,300 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:46,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:46,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:46,301 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 13:00:46,302 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 2 [2020-09-25 13:00:46,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 13:00:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:46,325 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:46,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:46,354 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:00:46,354 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:46,355 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 33 [2020-09-25 13:00:46,355 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:46,355 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:46,356 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 13:00:46,356 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:46,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:00:46,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:46,368 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:46,377 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:46,378 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:00:46,378 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:46,378 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-25 13:00:46,379 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:46,379 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:46,379 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:46,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:46,380 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:46,380 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:46,540 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 13:00:46,541 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [350084601] [2020-09-25 13:00:46,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:00:46,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:00:46,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139778632] [2020-09-25 13:00:46,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:00:46,555 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:00:46,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:00:46,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:00:46,579 INFO L87 Difference]: Start difference. First operand 934 states. Second operand 5 states. [2020-09-25 13:00:47,971 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 13:00:50,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:00:50,130 INFO L93 Difference]: Finished difference Result 1280 states and 1446 transitions. [2020-09-25 13:00:50,137 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:00:50,139 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-09-25 13:00:50,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:00:50,168 INFO L225 Difference]: With dead ends: 1280 [2020-09-25 13:00:50,169 INFO L226 Difference]: Without dead ends: 778 [2020-09-25 13:00:50,179 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 13:00:50,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-09-25 13:00:50,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 735. [2020-09-25 13:00:50,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-09-25 13:00:50,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 793 transitions. [2020-09-25 13:00:50,322 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 793 transitions. Word has length 278 [2020-09-25 13:00:50,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:00:50,324 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 793 transitions. [2020-09-25 13:00:50,324 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:00:50,324 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 793 transitions. [2020-09-25 13:00:50,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-25 13:00:50,332 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:00:50,332 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 13:00:50,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 13:00:50,333 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:00:50,333 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:00:50,334 INFO L82 PathProgramCache]: Analyzing trace with hash 758943000, now seen corresponding path program 1 times [2020-09-25 13:00:50,334 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:00:50,334 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [534846524] [2020-09-25 13:00:50,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:00:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:50,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:50,945 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:51,490 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:51,490 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 13:00:51,491 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:00:51,491 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1019 [2020-09-25 13:00:51,492 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:51,492 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:51,492 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:51,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-09-25 13:00:51,493 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 13:00:51,493 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:51,848 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 13:00:51,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:00:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:51,886 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:52,089 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:52,089 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 13:00:52,090 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:52,090 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 223 [2020-09-25 13:00:52,090 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:52,090 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:52,091 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:52,092 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:52,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 13:00:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:52,292 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:52,314 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:52,314 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:00:52,314 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:52,315 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 13:00:52,315 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:52,315 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:52,315 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:52,316 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 13:00:52,316 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:52,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 13:00:52,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:52,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:52,353 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:52,353 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:00:52,353 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:52,353 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 24 [2020-09-25 13:00:52,354 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:52,354 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:52,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:52,354 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:52,355 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 13:00:52,355 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:52,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:00:52,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:52,363 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:52,368 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:52,369 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:00:52,369 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:52,369 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 13:00:52,369 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:52,370 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:52,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:52,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:52,370 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:52,370 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:52,486 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 13:00:52,487 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [534846524] [2020-09-25 13:00:52,487 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:00:52,487 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:00:52,488 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263389515] [2020-09-25 13:00:52,491 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:00:52,491 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:00:52,491 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:00:52,492 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:00:52,492 INFO L87 Difference]: Start difference. First operand 735 states and 793 transitions. Second operand 5 states. [2020-09-25 13:00:54,044 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 13:00:55,856 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:00:55,856 INFO L93 Difference]: Finished difference Result 780 states and 845 transitions. [2020-09-25 13:00:55,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:00:55,857 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2020-09-25 13:00:55,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:00:55,863 INFO L225 Difference]: With dead ends: 780 [2020-09-25 13:00:55,863 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 13:00:55,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:00:55,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 13:00:55,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 734. [2020-09-25 13:00:55,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-09-25 13:00:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 791 transitions. [2020-09-25 13:00:55,946 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 791 transitions. Word has length 279 [2020-09-25 13:00:55,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:00:55,947 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 791 transitions. [2020-09-25 13:00:55,948 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:00:55,948 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 791 transitions. [2020-09-25 13:00:55,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 13:00:55,954 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:00:55,955 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:00:55,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 13:00:55,955 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:00:55,956 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:00:55,956 INFO L82 PathProgramCache]: Analyzing trace with hash 2052101473, now seen corresponding path program 1 times [2020-09-25 13:00:55,957 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:00:55,957 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911037535] [2020-09-25 13:00:55,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:00:56,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:56,218 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:56,568 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,173 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:57,173 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 13:00:57,173 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:00:57,174 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1051 [2020-09-25 13:00:57,174 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:57,175 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:57,175 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-09-25 13:00:57,176 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 13:00:57,176 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:57,473 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 13:00:57,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:00:57,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:57,510 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,706 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:57,706 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 13:00:57,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:57,707 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 218 [2020-09-25 13:00:57,707 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:57,707 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:57,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:57,708 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:57,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 13:00:57,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:57,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,852 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:57,852 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:00:57,852 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:57,853 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 13:00:57,853 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:57,853 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:57,853 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:57,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:00:57,854 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:57,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 13:00:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:57,870 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,891 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:57,892 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:00:57,892 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:57,892 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-09-25 13:00:57,892 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:57,893 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:00:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:57,893 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 13:00:57,893 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:57,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:00:57,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:00:57,902 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:00:57,911 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:00:57,911 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:00:57,911 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:00:57,911 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-25 13:00:57,912 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:00:57,912 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:00:57,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:00:57,912 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:00:57,913 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:00:57,913 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:00:58,032 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 13:00:58,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911037535] [2020-09-25 13:00:58,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:00:58,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:00:58,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266683429] [2020-09-25 13:00:58,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:00:58,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:00:58,035 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:00:58,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:00:58,035 INFO L87 Difference]: Start difference. First operand 734 states and 791 transitions. Second operand 5 states. [2020-09-25 13:00:59,180 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 13:01:01,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:01:01,304 INFO L93 Difference]: Finished difference Result 781 states and 844 transitions. [2020-09-25 13:01:01,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:01:01,311 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 280 [2020-09-25 13:01:01,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:01:01,316 INFO L225 Difference]: With dead ends: 781 [2020-09-25 13:01:01,316 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 13:01:01,317 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 13:01:01,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 13:01:01,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 732. [2020-09-25 13:01:01,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-09-25 13:01:01,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 787 transitions. [2020-09-25 13:01:01,369 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 787 transitions. Word has length 280 [2020-09-25 13:01:01,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:01:01,370 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 787 transitions. [2020-09-25 13:01:01,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:01:01,370 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 787 transitions. [2020-09-25 13:01:01,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-25 13:01:01,374 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:01:01,375 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 13:01:01,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 13:01:01,375 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:01:01,375 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:01:01,376 INFO L82 PathProgramCache]: Analyzing trace with hash -809653957, now seen corresponding path program 1 times [2020-09-25 13:01:01,376 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:01:01,376 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1481042475] [2020-09-25 13:01:01,376 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:01:01,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:01,549 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:01,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:02,487 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:02,487 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-25 13:01:02,488 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 13:01:02,488 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1023 [2020-09-25 13:01:02,488 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:02,488 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:02,488 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:02,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-09-25 13:01:02,489 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 13:01:02,489 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:02,800 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 13:01:02,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:02,838 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,034 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,034 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 13:01:03,034 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:03,034 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 217 [2020-09-25 13:01:03,035 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,035 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:03,035 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,036 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:03,036 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:03,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 13:01:03,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,200 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,220 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,221 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:01:03,221 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:03,221 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 13:01:03,221 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,222 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,222 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:01:03,222 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:03,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 13:01:03,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,237 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,258 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,258 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 13:01:03,258 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:03,259 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 23 [2020-09-25 13:01:03,259 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,259 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:03,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,260 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 13:01:03,260 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:03,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:03,271 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:03,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:03,276 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:01:03,276 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:03,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-25 13:01:03,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:03,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:03,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:03,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 13:01:03,345 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 13:01:03,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1481042475] [2020-09-25 13:01:03,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:01:03,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 13:01:03,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277610322] [2020-09-25 13:01:03,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 13:01:03,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:01:03,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 13:01:03,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 13:01:03,348 INFO L87 Difference]: Start difference. First operand 732 states and 787 transitions. Second operand 5 states. [2020-09-25 13:01:04,457 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 13:01:06,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:01:06,314 INFO L93 Difference]: Finished difference Result 777 states and 839 transitions. [2020-09-25 13:01:06,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 13:01:06,315 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2020-09-25 13:01:06,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:01:06,325 INFO L225 Difference]: With dead ends: 777 [2020-09-25 13:01:06,325 INFO L226 Difference]: Without dead ends: 760 [2020-09-25 13:01:06,326 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 13:01:06,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-25 13:01:06,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 717. [2020-09-25 13:01:06,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-09-25 13:01:06,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 770 transitions. [2020-09-25 13:01:06,387 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 770 transitions. Word has length 281 [2020-09-25 13:01:06,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:01:06,388 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 770 transitions. [2020-09-25 13:01:06,388 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 13:01:06,388 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 770 transitions. [2020-09-25 13:01:06,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-25 13:01:06,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 13:01:06,395 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 13:01:06,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 13:01:06,395 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 13:01:06,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 13:01:06,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1704679464, now seen corresponding path program 1 times [2020-09-25 13:01:06,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 13:01:06,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1477267444] [2020-09-25 13:01:06,397 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 13:01:06,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:06,633 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:06,915 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:07,294 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:09,209 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:09,209 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-25 13:01:09,209 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 13:01:09,210 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2697 [2020-09-25 13:01:09,210 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:09,210 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 13:01:09,210 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 319 [2020-09-25 13:01:09,211 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 13:01:09,211 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:09,597 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 13:01:09,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 13:01:09,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:09,654 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:09,831 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:09,831 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 13:01:09,831 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:09,832 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 205 [2020-09-25 13:01:09,832 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:09,832 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:09,832 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:09,833 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:09,833 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:09,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 13:01:09,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:09,948 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:09,961 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:09,961 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:01:09,962 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:09,962 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 13:01:09,962 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:09,962 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:09,962 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:09,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:09,963 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:09,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-09-25 13:01:09,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:09,990 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,008 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,008 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 13:01:10,008 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,009 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 13:01:10,009 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,009 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:10,009 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,010 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:10,010 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:01:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,035 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,036 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:01:10,036 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,037 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 16 [2020-09-25 13:01:10,037 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,037 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,037 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 13:01:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,038 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 13:01:10,038 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 13:01:10,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,065 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,091 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,091 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 13:01:10,091 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,092 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 13:01:10,092 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,092 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:10,092 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,093 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:01:10,093 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 13:01:10,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,108 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,127 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,127 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 13:01:10,127 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,128 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 13:01:10,128 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,128 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:10,128 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,129 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 13:01:10,129 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 13:01:10,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,142 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,154 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,155 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 13:01:10,155 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,155 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 15 [2020-09-25 13:01:10,156 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,156 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,156 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 13:01:10,157 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-25 13:01:10,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 13:01:10,169 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 13:01:10,191 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 13:01:10,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 13:01:10,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 13:01:10,192 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 26 [2020-09-25 13:01:10,192 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 13:01:10,193 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.3 [2020-09-25 13:01:10,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 13:01:10,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 13:01:10,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 13:01:10,193 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 13:01:10,284 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 13:01:10,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1477267444] [2020-09-25 13:01:10,285 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 13:01:10,285 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 13:01:10,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513345325] [2020-09-25 13:01:10,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 13:01:10,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 13:01:10,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 13:01:10,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 13:01:10,288 INFO L87 Difference]: Start difference. First operand 717 states and 770 transitions. Second operand 7 states. [2020-09-25 13:01:13,050 WARN L193 SmtUtils]: Spent 179.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 13:01:14,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 13:01:14,236 INFO L93 Difference]: Finished difference Result 893 states and 1002 transitions. [2020-09-25 13:01:14,241 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 13:01:14,241 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 329 [2020-09-25 13:01:14,242 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 13:01:14,242 INFO L225 Difference]: With dead ends: 893 [2020-09-25 13:01:14,242 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 13:01:14,245 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=41, Invalid=69, Unknown=0, NotChecked=0, Total=110 [2020-09-25 13:01:14,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 13:01:14,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 13:01:14,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 13:01:14,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 13:01:14,246 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 329 [2020-09-25 13:01:14,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 13:01:14,246 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 13:01:14,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 13:01:14,246 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 13:01:14,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 13:01:14,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 13:01:14,249 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 13:01:14,454 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:14,606 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:14,755 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:14,943 WARN L193 SmtUtils]: Spent 145.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:15,088 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:15,234 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:15,386 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:15,550 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:15,692 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:15,840 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:15,982 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:16,140 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:16,281 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:16,546 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:16,802 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:16,944 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:17,083 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:17,245 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:17,383 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:17,536 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:17,671 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:17,805 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:17,941 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:18,064 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 13:01:18,310 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:18,552 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:18,686 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:18,822 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:18,957 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:19,092 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:19,228 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:19,364 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:19,504 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:19,638 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:19,774 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:19,934 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:20,069 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:20,204 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:20,339 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:20,462 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 13:01:20,612 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:20,751 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:20,869 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 13:01:21,013 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:21,148 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:21,287 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:21,422 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:21,557 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:21,700 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:21,849 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:22,097 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:22,333 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:22,468 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:22,608 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:22,844 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:23,082 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:23,228 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:23,364 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:23,499 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:23,633 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:23,769 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:23,903 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:24,038 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:24,179 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:24,314 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:24,458 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:24,592 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:24,727 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:24,861 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:24,979 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 13:01:25,114 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:25,249 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:25,395 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:25,531 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:25,677 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:25,812 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:25,946 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:26,184 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:26,421 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:26,562 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:26,696 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:26,836 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:26,970 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:27,104 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:27,240 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:27,374 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:27,508 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:27,646 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:27,782 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:27,916 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:28,051 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:28,184 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:28,319 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:28,454 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:28,588 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:28,721 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:28,856 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 13:01:29,092 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:29,330 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 13:01:29,465 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:29,599 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:29,733 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:29,868 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:30,002 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:30,137 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:30,289 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:30,423 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 13:01:30,643 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 21 [2020-09-25 13:01:30,872 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 21 [2020-09-25 13:01:31,074 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 16