/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=0.1 --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 10:46:01,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-25 10:46:01,849 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-25 10:46:01,892 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-25 10:46:01,893 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-25 10:46:01,900 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-25 10:46:01,902 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-25 10:46:01,906 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-25 10:46:01,908 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-25 10:46:01,911 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-25 10:46:01,912 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-25 10:46:01,913 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-25 10:46:01,913 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-25 10:46:01,916 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-25 10:46:01,918 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-25 10:46:01,920 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-25 10:46:01,922 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-25 10:46:01,923 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-25 10:46:01,924 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-25 10:46:01,932 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-25 10:46:01,934 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-25 10:46:01,935 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-25 10:46:01,937 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-25 10:46:01,937 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-25 10:46:01,949 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-25 10:46:01,950 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-25 10:46:01,950 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-25 10:46:01,953 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-25 10:46:01,953 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-25 10:46:01,955 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-25 10:46:01,955 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-25 10:46:01,956 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-25 10:46:01,957 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-25 10:46:01,958 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-25 10:46:01,959 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-25 10:46:01,960 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-25 10:46:01,960 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-25 10:46:01,961 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-25 10:46:01,961 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-25 10:46:01,962 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-25 10:46:01,963 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-25 10:46:01,964 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 10:46:02,005 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-25 10:46:02,005 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-25 10:46:02,007 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-25 10:46:02,007 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-25 10:46:02,007 INFO L138 SettingsManager]: * Use SBE=true [2020-09-25 10:46:02,007 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-25 10:46:02,008 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-25 10:46:02,008 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-25 10:46:02,008 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-25 10:46:02,008 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-25 10:46:02,009 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-25 10:46:02,009 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-25 10:46:02,010 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-25 10:46:02,010 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-25 10:46:02,010 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-25 10:46:02,011 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-25 10:46:02,011 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-25 10:46:02,011 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-25 10:46:02,011 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-25 10:46:02,011 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-25 10:46:02,012 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-25 10:46:02,012 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-25 10:46:02,012 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-25 10:46:02,012 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-25 10:46:02,012 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-25 10:46:02,012 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-25 10:46:02,013 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-09-25 10:46:02,013 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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;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=0.1;log-additional-information=true; [2020-09-25 10:46:02,460 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-25 10:46:02,475 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-25 10:46:02,479 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-25 10:46:02,481 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-25 10:46:02,482 INFO L275 PluginConnector]: CDTParser initialized [2020-09-25 10:46:02,483 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 10:46:02,577 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ebd8b236/93725706a4ea4fe0b0cda368a72936c3/FLAGbb6946d8d [2020-09-25 10:46:03,317 INFO L306 CDTParser]: Found 1 translation units. [2020-09-25 10:46:03,318 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 10:46:03,349 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ebd8b236/93725706a4ea4fe0b0cda368a72936c3/FLAGbb6946d8d [2020-09-25 10:46:03,520 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4ebd8b236/93725706a4ea4fe0b0cda368a72936c3 [2020-09-25 10:46:03,534 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-25 10:46:03,538 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-25 10:46:03,540 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-25 10:46:03,540 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-25 10:46:03,545 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-25 10:46:03,546 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:46:03" (1/1) ... [2020-09-25 10:46:03,550 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c9211b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:03, skipping insertion in model container [2020-09-25 10:46:03,551 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.09 10:46:03" (1/1) ... [2020-09-25 10:46:03,560 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-25 10:46:03,645 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-25 10:46:04,471 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:46:04,515 INFO L203 MainTranslator]: Completed pre-run [2020-09-25 10:46:04,667 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-25 10:46:04,743 INFO L208 MainTranslator]: Completed translation [2020-09-25 10:46:04,744 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:04 WrapperNode [2020-09-25 10:46:04,744 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-25 10:46:04,745 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-25 10:46:04,745 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-25 10:46:04,745 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-25 10:46:04,763 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:04" (1/1) ... [2020-09-25 10:46:04,764 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:04" (1/1) ... [2020-09-25 10:46:04,796 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:04" (1/1) ... [2020-09-25 10:46:04,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:04" (1/1) ... [2020-09-25 10:46:04,850 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:04" (1/1) ... [2020-09-25 10:46:04,860 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:04" (1/1) ... [2020-09-25 10:46:04,871 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:04" (1/1) ... [2020-09-25 10:46:04,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-25 10:46:04,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-25 10:46:04,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-25 10:46:04,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-25 10:46:04,901 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:04" (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 10:46:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-25 10:46:05,000 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-25 10:46:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 10:46:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-09-25 10:46:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-09-25 10:46:05,001 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_clientdata [2020-09-25 10:46:05,002 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_set_clientdata [2020-09-25 10:46:05,002 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_get_functionality [2020-09-25 10:46:05,002 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_check_functionality [2020-09-25 10:46:05,002 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_get_voltage_sel [2020-09-25 10:46:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_set_voltage_sel [2020-09-25 10:46:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_probe [2020-09-25 10:46:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_remove [2020-09-25 10:46:05,003 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_init [2020-09-25 10:46:05,004 INFO L138 BoogieDeclarations]: Found implementation of procedure isl6271a_cleanup [2020-09-25 10:46:05,004 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-25 10:46:05,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-09-25 10:46:05,004 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-09-25 10:46:05,005 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-09-25 10:46:05,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-09-25 10:46:05,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-09-25 10:46:05,006 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-09-25 10:46:05,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-09-25 10:46:05,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-09-25 10:46:05,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-09-25 10:46:05,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_10 [2020-09-25 10:46:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_11 [2020-09-25 10:46:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-09-25 10:46:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-09-25 10:46:05,008 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-09-25 10:46:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 10:46:05,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-09-25 10:46:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-09-25 10:46:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-09-25 10:46:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 10:46:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-09-25 10:46:05,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-09-25 10:46:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 10:46:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 10:46:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 10:46:05,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 10:46:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 10:46:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 10:46:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 10:46:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 10:46:05,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 10:46:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 10:46:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 10:46:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 10:46:05,014 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 10:46:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 10:46:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-09-25 10:46:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-09-25 10:46:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure __mutex_init [2020-09-25 10:46:05,015 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_err [2020-09-25 10:46:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-09-25 10:46:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-09-25 10:46:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_get_drvdata [2020-09-25 10:46:05,016 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2020-09-25 10:46:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure devm_kzalloc [2020-09-25 10:46:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_del_driver [2020-09-25 10:46:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_register_driver [2020-09-25 10:46:05,017 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_read_byte [2020-09-25 10:46:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure i2c_smbus_write_byte [2020-09-25 10:46:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-09-25 10:46:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-09-25 10:46:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-09-25 10:46:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure rdev_get_drvdata [2020-09-25 10:46:05,018 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_list_voltage_linear [2020-09-25 10:46:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_map_voltage_linear [2020-09-25 10:46:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_register [2020-09-25 10:46:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure regulator_unregister [2020-09-25 10:46:05,019 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-09-25 10:46:05,019 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-25 10:46:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-09-25 10:46:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-09-25 10:46:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-09-25 10:46:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure __mutex_init [2020-09-25 10:46:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-09-25 10:46:05,020 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-09-25 10:46:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-09-25 10:46:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-09-25 10:46:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-09-25 10:46:05,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-09-25 10:46:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-09-25 10:46:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_11 [2020-09-25 10:46:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-09-25 10:46:05,022 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-09-25 10:46:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-09-25 10:46:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-09-25 10:46:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-09-25 10:46:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_10 [2020-09-25 10:46:05,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-09-25 10:46:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-09-25 10:46:05,024 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mtx_of_isl_pmic [2020-09-25 10:46:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mtx_of_isl_pmic [2020-09-25 10:46:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-09-25 10:46:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-09-25 10:46:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-09-25 10:46:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-25 10:46:05,025 INFO L130 BoogieDeclarations]: Found specification of procedure devm_kzalloc [2020-09-25 10:46:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_get_drvdata [2020-09-25 10:46:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2020-09-25 10:46:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure dev_err [2020-09-25 10:46:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_register [2020-09-25 10:46:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_unregister [2020-09-25 10:46:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure rdev_get_drvdata [2020-09-25 10:46:05,026 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_list_voltage_linear [2020-09-25 10:46:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure regulator_map_voltage_linear [2020-09-25 10:46:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_read_byte [2020-09-25 10:46:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_smbus_write_byte [2020-09-25 10:46:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_clientdata [2020-09-25 10:46:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_set_clientdata [2020-09-25 10:46:05,027 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_register_driver [2020-09-25 10:46:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_del_driver [2020-09-25 10:46:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_get_functionality [2020-09-25 10:46:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~TO~~u32~0 [2020-09-25 10:46:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-25 10:46:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure i2c_check_functionality [2020-09-25 10:46:05,028 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_get_voltage_sel [2020-09-25 10:46:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-25 10:46:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_set_voltage_sel [2020-09-25 10:46:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_probe [2020-09-25 10:46:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-25 10:46:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-25 10:46:05,029 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-25 10:46:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_remove [2020-09-25 10:46:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_init [2020-09-25 10:46:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure isl6271a_cleanup [2020-09-25 10:46:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-09-25 10:46:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-09-25 10:46:05,030 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-25 10:46:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-09-25 10:46:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-09-25 10:46:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,031 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-09-25 10:46:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-09-25 10:46:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-09-25 10:46:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-09-25 10:46:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-09-25 10:46:05,032 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-09-25 10:46:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mtx_of_isl_pmic [2020-09-25 10:46:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mtx_of_isl_pmic [2020-09-25 10:46:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mtx_of_isl_pmic [2020-09-25 10:46:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mtx_of_isl_pmic [2020-09-25 10:46:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mtx_of_isl_pmic [2020-09-25 10:46:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-09-25 10:46:05,033 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-09-25 10:46:05,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-09-25 10:46:05,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-09-25 10:46:05,034 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_bool [2020-09-25 10:46:05,034 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-25 10:46:05,034 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-09-25 10:46:05,034 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-09-25 10:46:05,034 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-09-25 10:46:05,034 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-25 10:46:05,035 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-25 10:46:05,035 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-09-25 10:46:05,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-25 10:46:05,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-25 10:46:05,035 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-09-25 10:46:05,035 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-25 10:46:05,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-25 10:46:07,388 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-25 10:46:07,389 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-09-25 10:46:07,401 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:46:07 BoogieIcfgContainer [2020-09-25 10:46:07,401 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-25 10:46:07,402 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-25 10:46:07,403 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-25 10:46:07,406 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-25 10:46:07,407 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.09 10:46:03" (1/3) ... [2020-09-25 10:46:07,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a3d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:46:07, skipping insertion in model container [2020-09-25 10:46:07,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.09 10:46:04" (2/3) ... [2020-09-25 10:46:07,408 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14a3d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.09 10:46:07, skipping insertion in model container [2020-09-25 10:46:07,408 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.09 10:46:07" (3/3) ... [2020-09-25 10:46:07,410 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--regulator--isl6271a-regulator.ko-main.cil.out.i [2020-09-25 10:46:07,422 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-25 10:46:07,433 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-25 10:46:07,452 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-25 10:46:07,487 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-25 10:46:07,488 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-25 10:46:07,488 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-25 10:46:07,488 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-25 10:46:07,488 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-25 10:46:07,488 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-25 10:46:07,488 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-25 10:46:07,489 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-25 10:46:07,527 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states. [2020-09-25 10:46:07,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-09-25 10:46:07,548 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:07,549 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 10:46:07,550 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:07,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:07,557 INFO L82 PathProgramCache]: Analyzing trace with hash -945339618, now seen corresponding path program 1 times [2020-09-25 10:46:07,567 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:07,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [974358273] [2020-09-25 10:46:07,568 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:08,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:08,258 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:08,940 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:09,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:09,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 295 [2020-09-25 10:46:09,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:09,673 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1555 [2020-09-25 10:46:09,677 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:09,677 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:09,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:09,678 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 250 [2020-09-25 10:46:09,679 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 10:46:09,679 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 10:46:10,126 WARN L193 SmtUtils]: Spent 254.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 10:46:10,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:10,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:10,194 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:10,425 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:10,425 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 10:46:10,425 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:10,425 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 268 [2020-09-25 10:46:10,426 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:10,426 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:10,426 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:10,427 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:10,427 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:10,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 10:46:10,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:10,670 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:10,695 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:10,695 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:46:10,695 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:10,695 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 10:46:10,696 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:10,696 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:10,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:10,696 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:10,697 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-09-25 10:46:10,697 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:10,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 10:46:10,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:10,727 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:10,751 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:10,751 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:46:10,752 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:10,752 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 10:46:10,753 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:10,756 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:10,757 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 10:46:10,757 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-25 10:46:10,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:10,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:10,769 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:10,780 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:10,780 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:46:10,780 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:10,781 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:46:10,781 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:10,781 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:10,782 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:10,785 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:10,786 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 4 [2020-09-25 10:46:10,887 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 10:46:10,889 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [974358273] [2020-09-25 10:46:10,891 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:10,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:46:10,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [822393319] [2020-09-25 10:46:10,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:46:10,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:10,929 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:46:10,931 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:46:10,934 INFO L87 Difference]: Start difference. First operand 934 states. Second operand 5 states. [2020-09-25 10:46:12,217 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 10:46:14,312 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:14,313 INFO L93 Difference]: Finished difference Result 1280 states and 1446 transitions. [2020-09-25 10:46:14,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:46:14,316 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 278 [2020-09-25 10:46:14,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:14,341 INFO L225 Difference]: With dead ends: 1280 [2020-09-25 10:46:14,342 INFO L226 Difference]: Without dead ends: 778 [2020-09-25 10:46:14,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 9 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 10:46:14,371 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 778 states. [2020-09-25 10:46:14,486 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 778 to 735. [2020-09-25 10:46:14,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 735 states. [2020-09-25 10:46:14,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 793 transitions. [2020-09-25 10:46:14,494 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 793 transitions. Word has length 278 [2020-09-25 10:46:14,497 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:14,497 INFO L479 AbstractCegarLoop]: Abstraction has 735 states and 793 transitions. [2020-09-25 10:46:14,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:46:14,497 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 793 transitions. [2020-09-25 10:46:14,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2020-09-25 10:46:14,519 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:14,519 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 10:46:14,520 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-25 10:46:14,520 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:14,520 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:14,521 INFO L82 PathProgramCache]: Analyzing trace with hash 758943000, now seen corresponding path program 1 times [2020-09-25 10:46:14,521 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:14,521 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1389488631] [2020-09-25 10:46:14,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:14,748 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:15,107 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:15,707 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:15,707 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 296 [2020-09-25 10:46:15,707 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:15,708 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1044 [2020-09-25 10:46:15,708 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:15,708 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:15,708 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 251 [2020-09-25 10:46:15,709 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 10:46:15,709 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-25 10:46:16,057 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 10:46:16,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:16,097 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:16,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:16,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 10:46:16,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:16,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 197 [2020-09-25 10:46:16,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:16,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:16,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:16,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:16,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:16,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:16,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 10:46:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:16,445 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:16,471 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:16,471 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:46:16,472 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:16,472 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 30 [2020-09-25 10:46:16,472 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:16,473 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:16,473 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:16,474 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 3 [2020-09-25 10:46:16,474 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:16,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 10:46:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:16,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:16,517 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:16,517 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:46:16,518 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:16,518 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 28 [2020-09-25 10:46:16,518 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:16,518 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:16,518 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:16,519 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 10:46:16,519 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:16,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:16,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:16,528 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:16,533 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:16,534 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:46:16,534 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:16,534 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-25 10:46:16,535 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:16,535 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:16,536 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:16,537 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:16,668 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 10:46:16,669 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1389488631] [2020-09-25 10:46:16,669 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:16,670 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:46:16,670 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2060362439] [2020-09-25 10:46:16,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:46:16,672 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:16,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:46:16,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:46:16,673 INFO L87 Difference]: Start difference. First operand 735 states and 793 transitions. Second operand 5 states. [2020-09-25 10:46:18,043 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 10:46:20,021 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:20,021 INFO L93 Difference]: Finished difference Result 780 states and 845 transitions. [2020-09-25 10:46:20,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:46:20,022 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 279 [2020-09-25 10:46:20,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:20,028 INFO L225 Difference]: With dead ends: 780 [2020-09-25 10:46:20,028 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 10:46:20,030 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 10:46:20,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 10:46:20,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 734. [2020-09-25 10:46:20,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 734 states. [2020-09-25 10:46:20,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 734 states to 734 states and 791 transitions. [2020-09-25 10:46:20,087 INFO L78 Accepts]: Start accepts. Automaton has 734 states and 791 transitions. Word has length 279 [2020-09-25 10:46:20,088 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:20,088 INFO L479 AbstractCegarLoop]: Abstraction has 734 states and 791 transitions. [2020-09-25 10:46:20,088 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:46:20,088 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 791 transitions. [2020-09-25 10:46:20,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2020-09-25 10:46:20,092 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:20,093 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 10:46:20,093 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-25 10:46:20,093 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:20,093 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:20,094 INFO L82 PathProgramCache]: Analyzing trace with hash 2052101473, now seen corresponding path program 1 times [2020-09-25 10:46:20,094 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:20,094 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [421643810] [2020-09-25 10:46:20,094 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:20,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:20,252 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:20,574 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:21,256 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:21,257 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 297 [2020-09-25 10:46:21,257 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:21,257 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1080 [2020-09-25 10:46:21,258 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:21,258 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:21,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:21,258 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 252 [2020-09-25 10:46:21,259 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 10:46:21,259 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:21,585 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 10:46:21,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:21,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:21,624 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:21,870 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:21,871 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 10:46:21,871 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:21,872 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 272 [2020-09-25 10:46:21,872 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:21,872 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:21,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:21,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:21,873 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:21,874 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:22,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 10:46:22,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:22,044 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:22,068 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:22,069 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:46:22,069 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:22,070 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 10:46:22,070 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:22,070 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:22,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:22,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:22,071 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:46:22,072 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:22,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 10:46:22,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:22,091 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:22,115 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:22,115 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:46:22,116 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:22,116 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 29 [2020-09-25 10:46:22,116 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:22,116 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:22,116 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:22,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:22,117 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 10:46:22,117 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:22,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:22,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:22,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:22,136 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:22,136 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:46:22,136 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:22,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-09-25 10:46:22,137 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:22,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:22,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:22,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:22,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:22,242 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 10:46:22,243 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [421643810] [2020-09-25 10:46:22,243 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:22,244 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:46:22,244 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1319237563] [2020-09-25 10:46:22,245 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:46:22,245 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:22,245 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:46:22,245 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:46:22,245 INFO L87 Difference]: Start difference. First operand 734 states and 791 transitions. Second operand 5 states. [2020-09-25 10:46:23,256 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 10:46:25,168 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:25,168 INFO L93 Difference]: Finished difference Result 781 states and 844 transitions. [2020-09-25 10:46:25,169 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:46:25,169 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 280 [2020-09-25 10:46:25,170 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:25,174 INFO L225 Difference]: With dead ends: 781 [2020-09-25 10:46:25,174 INFO L226 Difference]: Without dead ends: 777 [2020-09-25 10:46:25,175 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 10:46:25,177 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 777 states. [2020-09-25 10:46:25,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 777 to 732. [2020-09-25 10:46:25,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 732 states. [2020-09-25 10:46:25,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 732 states to 732 states and 787 transitions. [2020-09-25 10:46:25,221 INFO L78 Accepts]: Start accepts. Automaton has 732 states and 787 transitions. Word has length 280 [2020-09-25 10:46:25,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:25,222 INFO L479 AbstractCegarLoop]: Abstraction has 732 states and 787 transitions. [2020-09-25 10:46:25,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:46:25,222 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 787 transitions. [2020-09-25 10:46:25,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 282 [2020-09-25 10:46:25,226 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:25,226 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 10:46:25,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-25 10:46:25,227 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:25,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:25,227 INFO L82 PathProgramCache]: Analyzing trace with hash -809653957, now seen corresponding path program 1 times [2020-09-25 10:46:25,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:25,228 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1922271480] [2020-09-25 10:46:25,228 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:25,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:25,384 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:25,788 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:26,394 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:26,395 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 298 [2020-09-25 10:46:26,395 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-09-25 10:46:26,395 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 1084 [2020-09-25 10:46:26,395 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:26,395 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 253 [2020-09-25 10:46:26,396 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 41 [2020-09-25 10:46:26,396 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:26,718 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 10:46:26,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:26,755 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:26,954 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:26,954 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 10:46:26,954 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:26,955 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 222 [2020-09-25 10:46:26,955 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:26,955 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:26,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:26,955 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:26,956 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:26,956 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:27,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 10:46:27,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:27,075 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:27,093 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:27,094 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:46:27,094 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:27,094 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 10:46:27,094 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:27,095 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:27,095 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:46:27,095 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:27,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 266 [2020-09-25 10:46:27,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:27,111 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:27,129 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:27,129 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-09-25 10:46:27,129 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:27,129 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 21 [2020-09-25 10:46:27,130 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:27,130 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:27,130 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 10 [2020-09-25 10:46:27,131 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:27,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:27,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:27,140 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:27,144 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:27,145 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:46:27,145 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:27,145 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-25 10:46:27,145 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:27,145 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:27,146 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:27,146 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:27,213 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 10:46:27,214 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1922271480] [2020-09-25 10:46:27,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:27,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-25 10:46:27,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637756457] [2020-09-25 10:46:27,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-25 10:46:27,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:27,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-25 10:46:27,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-25 10:46:27,216 INFO L87 Difference]: Start difference. First operand 732 states and 787 transitions. Second operand 5 states. [2020-09-25 10:46:28,316 WARN L193 SmtUtils]: Spent 248.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 10:46:30,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:30,125 INFO L93 Difference]: Finished difference Result 777 states and 839 transitions. [2020-09-25 10:46:30,125 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-25 10:46:30,125 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 281 [2020-09-25 10:46:30,126 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:30,131 INFO L225 Difference]: With dead ends: 777 [2020-09-25 10:46:30,131 INFO L226 Difference]: Without dead ends: 760 [2020-09-25 10:46:30,132 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 10:46:30,134 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 760 states. [2020-09-25 10:46:30,171 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 760 to 717. [2020-09-25 10:46:30,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 717 states. [2020-09-25 10:46:30,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 717 states and 770 transitions. [2020-09-25 10:46:30,175 INFO L78 Accepts]: Start accepts. Automaton has 717 states and 770 transitions. Word has length 281 [2020-09-25 10:46:30,176 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:30,176 INFO L479 AbstractCegarLoop]: Abstraction has 717 states and 770 transitions. [2020-09-25 10:46:30,176 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-25 10:46:30,176 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 770 transitions. [2020-09-25 10:46:30,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2020-09-25 10:46:30,182 INFO L414 BasicCegarLoop]: Found error trace [2020-09-25 10:46:30,182 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 10:46:30,182 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-25 10:46:30,183 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-25 10:46:30,183 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-25 10:46:30,183 INFO L82 PathProgramCache]: Analyzing trace with hash -1704679464, now seen corresponding path program 1 times [2020-09-25 10:46:30,183 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-25 10:46:30,184 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [242909194] [2020-09-25 10:46:30,184 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-25 10:46:30,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:30,362 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:30,646 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:31,024 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:32,981 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:32,981 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 358 [2020-09-25 10:46:32,981 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-25 10:46:32,981 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2704 [2020-09-25 10:46:32,982 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:32,982 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-09-25 10:46:32,982 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 319 [2020-09-25 10:46:32,983 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 35 [2020-09-25 10:46:32,983 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:33,388 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 10:46:33,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-25 10:46:33,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:33,430 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:33,614 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:33,614 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 239 [2020-09-25 10:46:33,614 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:33,615 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 207 [2020-09-25 10:46:33,615 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:33,615 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:33,615 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:33,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:33,616 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:33,616 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:33,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 240 [2020-09-25 10:46:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:33,720 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:33,731 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:33,731 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:46:33,731 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:33,732 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-25 10:46:33,732 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:33,732 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:33,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:33,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:33,735 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:33,736 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-25 10:46:33,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 279 [2020-09-25 10:46:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:33,759 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:33,773 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:33,773 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 20 [2020-09-25 10:46:33,773 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:33,773 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 18 [2020-09-25 10:46:33,774 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:33,774 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:33,774 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:33,775 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:33,775 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:33,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:46:33,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:33,786 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:33,802 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:33,803 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:46:33,803 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:33,803 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 20 [2020-09-25 10:46:33,804 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:33,804 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:33,804 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-25 10:46:33,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:33,805 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-25 10:46:33,805 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:33,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 295 [2020-09-25 10:46:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:33,830 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:33,853 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:33,853 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 23 [2020-09-25 10:46:33,854 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:33,854 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 27 [2020-09-25 10:46:33,854 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:33,854 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:33,854 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:33,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:33,855 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:46:33,855 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:33,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-09-25 10:46:33,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:33,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:33,886 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:33,886 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-25 10:46:33,886 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:33,886 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 19 [2020-09-25 10:46:33,887 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:33,887 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:33,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:33,887 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:33,888 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-25 10:46:33,888 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:33,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-09-25 10:46:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:33,901 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:33,915 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:33,916 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-25 10:46:33,916 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:33,916 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-25 10:46:33,916 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:33,917 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:33,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:33,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:33,917 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-25 10:46:33,918 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:33,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 310 [2020-09-25 10:46:33,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-25 10:46:33,929 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-25 10:46:33,948 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-25 10:46:33,949 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 12 [2020-09-25 10:46:33,949 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-25 10:46:33,949 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 22 [2020-09-25 10:46:33,949 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-09-25 10:46:33,950 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.1 [2020-09-25 10:46:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-25 10:46:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-25 10:46:33,950 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-09-25 10:46:33,950 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-25 10:46:34,059 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 10:46:34,059 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [242909194] [2020-09-25 10:46:34,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-25 10:46:34,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-09-25 10:46:34,060 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [845424812] [2020-09-25 10:46:34,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-09-25 10:46:34,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-25 10:46:34,062 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-09-25 10:46:34,063 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-09-25 10:46:34,063 INFO L87 Difference]: Start difference. First operand 717 states and 770 transitions. Second operand 7 states. [2020-09-25 10:46:36,671 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 171 [2020-09-25 10:46:37,843 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-25 10:46:37,843 INFO L93 Difference]: Finished difference Result 893 states and 1002 transitions. [2020-09-25 10:46:37,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-09-25 10:46:37,844 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 329 [2020-09-25 10:46:37,845 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-25 10:46:37,846 INFO L225 Difference]: With dead ends: 893 [2020-09-25 10:46:37,846 INFO L226 Difference]: Without dead ends: 0 [2020-09-25 10:46:37,848 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 10:46:37,849 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-25 10:46:37,849 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-25 10:46:37,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-25 10:46:37,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-25 10:46:37,849 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 329 [2020-09-25 10:46:37,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-25 10:46:37,849 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-25 10:46:37,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-09-25 10:46:37,850 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-25 10:46:37,850 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-25 10:46:37,850 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-25 10:46:37,852 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-25 10:46:38,024 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:38,194 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:38,358 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:38,567 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:38,728 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:38,894 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:39,046 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:39,217 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:39,359 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:39,504 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:39,644 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:39,801 WARN L193 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:39,938 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:40,235 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:40,487 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:40,626 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:40,763 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:40,916 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:41,051 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:41,186 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:41,320 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:41,455 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:41,591 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:41,711 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 10:46:41,954 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:42,206 WARN L193 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:42,344 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:42,479 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:42,614 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:42,749 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:42,886 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:43,022 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:43,157 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:43,292 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:43,427 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:43,567 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:43,702 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:43,837 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:43,972 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:44,089 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 10:46:44,239 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:44,373 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:44,494 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 10:46:44,635 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:44,769 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:44,909 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:45,043 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:45,178 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:45,320 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:45,462 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:45,708 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:45,946 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:46,081 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:46,215 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:46,451 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:46,687 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:46,840 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:46,977 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:47,111 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:47,245 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:47,381 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:47,514 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:47,649 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:47,789 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:47,924 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:48,067 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:48,201 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:48,335 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:48,469 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:48,587 WARN L193 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 169 [2020-09-25 10:46:48,721 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:48,855 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:48,998 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:49,132 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:49,280 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:49,416 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:49,551 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:49,788 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:50,023 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:50,163 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:50,297 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:50,437 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:50,571 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:50,705 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:50,839 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:50,973 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:51,107 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:51,242 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:51,376 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:51,511 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:51,645 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:51,779 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:51,915 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:52,053 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:52,190 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:52,325 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:52,461 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 175 [2020-09-25 10:46:52,700 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:52,944 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 22 [2020-09-25 10:46:53,080 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:53,216 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:53,364 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:53,499 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:53,634 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:53,768 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:53,917 WARN L193 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:54,053 WARN L193 SmtUtils]: Spent 135.00 ms on a formula simplification that was a NOOP. DAG size: 174 [2020-09-25 10:46:54,274 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 21 [2020-09-25 10:46:54,503 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 21 [2020-09-25 10:46:54,703 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 16 [2020-09-25 10:46:54,900 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2020-09-25 10:46:55,091 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 21 [2020-09-25 10:46:55,283 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 23 [2020-09-25 10:46:55,537 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 17 [2020-09-25 10:46:55,725 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 21 [2020-09-25 10:46:55,923 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 126 DAG size of output: 40 [2020-09-25 10:46:56,155 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 23