/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SequenceOfStatements --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 --traceabstraction.additional.smt.options log-additional-information=true --traceabstraction.additional.smt.options unknown-allowed=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i -------------------------------------------------------------------------------- This is Ultimate 0.1.25-adbd35c [2020-10-15 06:25:58,636 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-15 06:25:58,640 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-15 06:25:58,683 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-15 06:25:58,684 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-15 06:25:58,691 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-15 06:25:58,693 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-15 06:25:58,697 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-15 06:25:58,699 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-15 06:25:58,701 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-15 06:25:58,701 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-15 06:25:58,705 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-15 06:25:58,706 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-15 06:25:58,707 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-15 06:25:58,708 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-15 06:25:58,708 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-15 06:25:58,709 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-15 06:25:58,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-15 06:25:58,711 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-15 06:25:58,713 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-15 06:25:58,714 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-15 06:25:58,715 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-15 06:25:58,716 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-15 06:25:58,717 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-15 06:25:58,719 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-15 06:25:58,720 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-15 06:25:58,720 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-15 06:25:58,721 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-15 06:25:58,721 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-15 06:25:58,722 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-15 06:25:58,722 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-15 06:25:58,722 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-15 06:25:58,723 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-15 06:25:58,724 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-15 06:25:58,725 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-15 06:25:58,725 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-15 06:25:58,726 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-15 06:25:58,726 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-15 06:25:58,726 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-15 06:25:58,727 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-15 06:25:58,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-15 06:25:58,728 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-64bit-Automizer_Default.epf [2020-10-15 06:25:58,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-15 06:25:58,749 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-15 06:25:58,750 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-15 06:25:58,750 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-15 06:25:58,751 INFO L138 SettingsManager]: * Use SBE=true [2020-10-15 06:25:58,751 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-15 06:25:58,751 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-15 06:25:58,751 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-15 06:25:58,751 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-15 06:25:58,752 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-15 06:25:58,752 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-15 06:25:58,752 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-15 06:25:58,752 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-15 06:25:58,752 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-15 06:25:58,753 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-15 06:25:58,753 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-15 06:25:58,753 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-15 06:25:58,753 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-15 06:25:58,753 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:25:58,754 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-15 06:25:58,754 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-15 06:25:58,754 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-15 06:25:58,754 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-15 06:25:58,754 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-15 06:25:58,755 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-15 06:25:58,755 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-15 06:25:58,755 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-10-15 06:25:58,755 INFO L138 SettingsManager]: * To the following directory=dump/ Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SequenceOfStatements Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2;log-additional-information=true;unknown-allowed=true; [2020-10-15 06:25:59,089 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-15 06:25:59,102 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-15 06:25:59,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-15 06:25:59,107 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-15 06:25:59,108 INFO L275 PluginConnector]: CDTParser initialized [2020-10-15 06:25:59,108 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2020-10-15 06:25:59,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53affe25e/59f5e7bba24d4731a13e7ae030a45f8e/FLAG5c881a69a [2020-10-15 06:25:59,889 INFO L306 CDTParser]: Found 1 translation units. [2020-10-15 06:25:59,890 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2020-10-15 06:25:59,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53affe25e/59f5e7bba24d4731a13e7ae030a45f8e/FLAG5c881a69a [2020-10-15 06:26:00,018 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/53affe25e/59f5e7bba24d4731a13e7ae030a45f8e [2020-10-15 06:26:00,027 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-15 06:26:00,029 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-10-15 06:26:00,030 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-15 06:26:00,030 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-15 06:26:00,034 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-15 06:26:00,035 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:26:00" (1/1) ... [2020-10-15 06:26:00,038 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2a7ca52f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:00, skipping insertion in model container [2020-10-15 06:26:00,038 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 06:26:00" (1/1) ... [2020-10-15 06:26:00,046 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-15 06:26:00,155 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-15 06:26:01,369 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:26:01,408 INFO L203 MainTranslator]: Completed pre-run [2020-10-15 06:26:01,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-15 06:26:01,665 INFO L208 MainTranslator]: Completed translation [2020-10-15 06:26:01,666 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:01 WrapperNode [2020-10-15 06:26:01,666 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-15 06:26:01,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-15 06:26:01,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-15 06:26:01,667 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-15 06:26:01,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:01" (1/1) ... [2020-10-15 06:26:01,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:01" (1/1) ... [2020-10-15 06:26:01,727 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:01" (1/1) ... [2020-10-15 06:26:01,727 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:01" (1/1) ... [2020-10-15 06:26:01,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:01" (1/1) ... [2020-10-15 06:26:01,835 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:01" (1/1) ... [2020-10-15 06:26:01,851 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:01" (1/1) ... [2020-10-15 06:26:01,872 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-15 06:26:01,873 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-15 06:26:01,873 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-15 06:26:01,874 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-15 06:26:01,875 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:01" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-15 06:26:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-10-15 06:26:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-15 06:26:01,997 INFO L138 BoogieDeclarations]: Found implementation of procedure clear_bit [2020-10-15 06:26:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure test_and_set_bit [2020-10-15 06:26:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure PTR_ERR [2020-10-15 06:26:01,998 INFO L138 BoogieDeclarations]: Found implementation of procedure IS_ERR [2020-10-15 06:26:01,999 INFO L138 BoogieDeclarations]: Found implementation of procedure iminor [2020-10-15 06:26:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure register_chrdev [2020-10-15 06:26:02,000 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_chrdev [2020-10-15 06:26:02,001 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2020-10-15 06:26:02,001 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_is_err [2020-10-15 06:26:02,002 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2020-10-15 06:26:02,002 INFO L138 BoogieDeclarations]: Found implementation of procedure __kmalloc [2020-10-15 06:26:02,002 INFO L138 BoogieDeclarations]: Found implementation of procedure kmalloc [2020-10-15 06:26:02,002 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_from_user [2020-10-15 06:26:02,003 INFO L138 BoogieDeclarations]: Found implementation of procedure copy_to_user [2020-10-15 06:26:02,003 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init_units [2020-10-15 06:26:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure status_reg [2020-10-15 06:26:02,005 INFO L138 BoogieDeclarations]: Found implementation of procedure read_reg [2020-10-15 06:26:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure write_reg [2020-10-15 06:26:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure DRIVE [2020-10-15 06:26:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_sleep [2020-10-15 06:26:02,006 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_wait [2020-10-15 06:26:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_command [2020-10-15 06:26:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_completion [2020-10-15 06:26:02,007 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_reset [2020-10-15 06:26:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure xs [2020-10-15 06:26:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_identify [2020-10-15 06:26:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_probe [2020-10-15 06:26:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_detect [2020-10-15 06:26:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_open [2020-10-15 06:26:02,008 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_release [2020-10-15 06:26:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_write [2020-10-15 06:26:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_read [2020-10-15 06:26:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_init [2020-10-15 06:26:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure pg_exit [2020-10-15 06:26:02,009 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-10-15 06:26:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_1 [2020-10-15 06:26:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_2 [2020-10-15 06:26:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_3 [2020-10-15 06:26:02,010 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_4 [2020-10-15 06:26:02,011 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_5 [2020-10-15 06:26:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_6 [2020-10-15 06:26:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_7 [2020-10-15 06:26:02,012 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_8 [2020-10-15 06:26:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_9 [2020-10-15 06:26:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_register_chrdev_10 [2020-10-15 06:26:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_unregister_chrdev_11 [2020-10-15 06:26:02,080 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2020-10-15 06:26:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2020-10-15 06:26:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_trap [2020-10-15 06:26:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,081 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,082 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_lock [2020-10-15 06:26:02,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_lock [2020-10-15 06:26:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_lock [2020-10-15 06:26:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_lock [2020-10-15 06:26:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-15 06:26:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_lock [2020-10-15 06:26:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_lock [2020-10-15 06:26:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-15 06:26:02,084 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-15 06:26:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_mutex_of_device [2020-10-15 06:26:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_mutex_of_device [2020-10-15 06:26:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-15 06:26:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-15 06:26:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_mutex_of_device [2020-10-15 06:26:02,085 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_interruptible_pg_mutex [2020-10-15 06:26:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_killable_pg_mutex [2020-10-15 06:26:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_lock_pg_mutex [2020-10-15 06:26:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_trylock_pg_mutex [2020-10-15 06:26:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_atomic_dec_and_mutex_lock_pg_mutex [2020-10-15 06:26:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_is_locked_pg_mutex [2020-10-15 06:26:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_mutex_unlock_pg_mutex [2020-10-15 06:26:02,086 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_initialize [2020-10-15 06:26:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_check_final_state [2020-10-15 06:26:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __class_create [2020-10-15 06:26:02,087 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2020-10-15 06:26:02,088 INFO L138 BoogieDeclarations]: Found implementation of procedure __register_chrdev [2020-10-15 06:26:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure __unregister_chrdev [2020-10-15 06:26:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_from_user [2020-10-15 06:26:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure _copy_to_user [2020-10-15 06:26:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure class_destroy [2020-10-15 06:26:02,089 INFO L138 BoogieDeclarations]: Found implementation of procedure device_create [2020-10-15 06:26:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure device_destroy [2020-10-15 06:26:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure might_fault [2020-10-15 06:26:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_lock [2020-10-15 06:26:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_trylock [2020-10-15 06:26:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure mutex_unlock [2020-10-15 06:26:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure noop_llseek [2020-10-15 06:26:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_connect [2020-10-15 06:26:02,090 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_disconnect [2020-10-15 06:26:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_init [2020-10-15 06:26:02,091 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_block [2020-10-15 06:26:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_read_regr [2020-10-15 06:26:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_release [2020-10-15 06:26:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_block [2020-10-15 06:26:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure pi_write_regr [2020-10-15 06:26:02,092 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2020-10-15 06:26:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure schedule_timeout_interruptible [2020-10-15 06:26:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_fmt [2020-10-15 06:26:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure kfree [2020-10-15 06:26:02,093 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memset [2020-10-15 06:26:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-10-15 06:26:02,093 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2020-10-15 06:26:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure clear_bit [2020-10-15 06:26:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure test_and_set_bit [2020-10-15 06:26:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2020-10-15 06:26:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure might_fault [2020-10-15 06:26:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure snprintf [2020-10-15 06:26:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure memset [2020-10-15 06:26:02,094 INFO L130 BoogieDeclarations]: Found specification of procedure memcmp [2020-10-15 06:26:02,095 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_fmt [2020-10-15 06:26:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure PTR_ERR [2020-10-15 06:26:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure IS_ERR [2020-10-15 06:26:02,096 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_trylock [2020-10-15 06:26:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_4 [2020-10-15 06:26:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_unlock [2020-10-15 06:26:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_2 [2020-10-15 06:26:02,098 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_5 [2020-10-15 06:26:02,099 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_7 [2020-10-15 06:26:02,100 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_9 [2020-10-15 06:26:02,101 INFO L130 BoogieDeclarations]: Found specification of procedure mutex_lock [2020-10-15 06:26:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_1 [2020-10-15 06:26:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_3 [2020-10-15 06:26:02,103 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_6 [2020-10-15 06:26:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_8 [2020-10-15 06:26:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_lock [2020-10-15 06:26:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_lock [2020-10-15 06:26:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_mutex_of_device [2020-10-15 06:26:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_mutex_of_device [2020-10-15 06:26:02,104 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_mutex_of_device [2020-10-15 06:26:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_pg_mutex [2020-10-15 06:26:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_unlock_pg_mutex [2020-10-15 06:26:02,105 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-10-15 06:26:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-15 06:26:02,106 INFO L130 BoogieDeclarations]: Found specification of procedure iminor [2020-10-15 06:26:02,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-10-15 06:26:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure __register_chrdev [2020-10-15 06:26:02,112 INFO L130 BoogieDeclarations]: Found specification of procedure __unregister_chrdev [2020-10-15 06:26:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure register_chrdev [2020-10-15 06:26:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_register_chrdev_10 [2020-10-15 06:26:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_chrdev [2020-10-15 06:26:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_unregister_chrdev_11 [2020-10-15 06:26:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure noop_llseek [2020-10-15 06:26:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2020-10-15 06:26:02,113 INFO L130 BoogieDeclarations]: Found specification of procedure kfree [2020-10-15 06:26:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure abort [2020-10-15 06:26:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2020-10-15 06:26:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-10-15 06:26:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_is_err [2020-10-15 06:26:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2020-10-15 06:26:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-10-15 06:26:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure __kmalloc [2020-10-15 06:26:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure kmalloc [2020-10-15 06:26:02,114 INFO L130 BoogieDeclarations]: Found specification of procedure __class_create [2020-10-15 06:26:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure class_destroy [2020-10-15 06:26:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure device_create [2020-10-15 06:26:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure device_destroy [2020-10-15 06:26:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure schedule_timeout_interruptible [2020-10-15 06:26:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_to_user [2020-10-15 06:26:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure _copy_from_user [2020-10-15 06:26:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure copy_from_user [2020-10-15 06:26:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure copy_to_user [2020-10-15 06:26:02,115 INFO L130 BoogieDeclarations]: Found specification of procedure pi_init [2020-10-15 06:26:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure pi_release [2020-10-15 06:26:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_regr [2020-10-15 06:26:02,116 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_regr [2020-10-15 06:26:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure pi_write_block [2020-10-15 06:26:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure pi_read_block [2020-10-15 06:26:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure pi_connect [2020-10-15 06:26:02,117 INFO L130 BoogieDeclarations]: Found specification of procedure pi_disconnect [2020-10-15 06:26:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure pg_open [2020-10-15 06:26:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure pg_release [2020-10-15 06:26:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure pg_read [2020-10-15 06:26:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure pg_write [2020-10-15 06:26:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure pg_detect [2020-10-15 06:26:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure pg_identify [2020-10-15 06:26:02,118 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init_units [2020-10-15 06:26:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-10-15 06:26:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-10-15 06:26:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-10-15 06:26:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure status_reg [2020-10-15 06:26:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure read_reg [2020-10-15 06:26:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure write_reg [2020-10-15 06:26:02,119 INFO L130 BoogieDeclarations]: Found specification of procedure DRIVE [2020-10-15 06:26:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure pg_sleep [2020-10-15 06:26:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure pg_wait [2020-10-15 06:26:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure pg_command [2020-10-15 06:26:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure pg_completion [2020-10-15 06:26:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure pg_reset [2020-10-15 06:26:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-10-15 06:26:02,120 INFO L130 BoogieDeclarations]: Found specification of procedure xs [2020-10-15 06:26:02,121 INFO L130 BoogieDeclarations]: Found specification of procedure pg_probe [2020-10-15 06:26:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memset [2020-10-15 06:26:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure pg_init [2020-10-15 06:26:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure pg_exit [2020-10-15 06:26:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_initialize [2020-10-15 06:26:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_check_final_state [2020-10-15 06:26:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-10-15 06:26:02,122 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2020-10-15 06:26:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_trap [2020-10-15 06:26:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_cred_guard_mutex_of_signal_struct [2020-10-15 06:26:02,123 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_lock [2020-10-15 06:26:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_lock [2020-10-15 06:26:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_lock [2020-10-15 06:26:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_lock [2020-10-15 06:26:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_lock [2020-10-15 06:26:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_mutex_of_device [2020-10-15 06:26:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_mutex_of_device [2020-10-15 06:26:02,124 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_mutex_of_device [2020-10-15 06:26:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_mutex_of_device [2020-10-15 06:26:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_interruptible_pg_mutex [2020-10-15 06:26:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_lock_killable_pg_mutex [2020-10-15 06:26:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_trylock_pg_mutex [2020-10-15 06:26:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_atomic_dec_and_mutex_lock_pg_mutex [2020-10-15 06:26:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_mutex_is_locked_pg_mutex [2020-10-15 06:26:02,125 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_ulong [2020-10-15 06:26:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2020-10-15 06:26:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-10-15 06:26:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-10-15 06:26:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-15 06:26:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2020-10-15 06:26:02,126 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-15 06:26:05,102 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-15 06:26:05,103 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-10-15 06:26:05,118 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:26:05 BoogieIcfgContainer [2020-10-15 06:26:05,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-15 06:26:05,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-15 06:26:05,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-15 06:26:05,124 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-15 06:26:05,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.10 06:26:00" (1/3) ... [2020-10-15 06:26:05,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cb5a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:26:05, skipping insertion in model container [2020-10-15 06:26:05,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 06:26:01" (2/3) ... [2020-10-15 06:26:05,126 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@11cb5a7a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.10 06:26:05, skipping insertion in model container [2020-10-15 06:26:05,126 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 06:26:05" (3/3) ... [2020-10-15 06:26:05,128 INFO L109 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--block--paride--pg.ko-main.cil.out.i [2020-10-15 06:26:05,139 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-10-15 06:26:05,153 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-10-15 06:26:05,167 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-10-15 06:26:05,203 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-10-15 06:26:05,204 INFO L376 AbstractCegarLoop]: Hoare is true [2020-10-15 06:26:05,204 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-10-15 06:26:05,205 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-15 06:26:05,208 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-15 06:26:05,209 INFO L380 AbstractCegarLoop]: Difference is false [2020-10-15 06:26:05,210 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-15 06:26:05,210 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-15 06:26:05,257 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states. [2020-10-15 06:26:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2020-10-15 06:26:05,266 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:26:05,267 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] [2020-10-15 06:26:05,268 INFO L427 AbstractCegarLoop]: === Iteration 1 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:26:05,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:26:05,273 INFO L82 PathProgramCache]: Analyzing trace with hash 102616919, now seen corresponding path program 1 times [2020-10-15 06:26:05,281 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:26:05,281 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002848754] [2020-10-15 06:26:05,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:26:05,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:05,879 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:06,181 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:06,220 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:06,645 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:08,704 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:08,705 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 45 [2020-10-15 06:26:08,705 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:26:08,705 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3004 [2020-10-15 06:26:08,709 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:08,709 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:26:08,710 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 06:26:08,711 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-10-15 06:26:09,684 WARN L193 SmtUtils]: Spent 862.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-15 06:26:09,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:26:09,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:09,709 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:09,793 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:09,793 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:09,793 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:09,794 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 91 [2020-10-15 06:26:09,794 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:09,794 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:26:09,794 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:09,795 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:26:09,795 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:09,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:26:09,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:09,869 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:09,876 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:09,876 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:09,877 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:09,877 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:26:09,878 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:09,878 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:09,878 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:09,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:09,879 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:26:09,879 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:09,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 06:26:09,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:09,934 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:09,955 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:09,955 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 06:26:09,956 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:09,956 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 25 [2020-10-15 06:26:09,957 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:09,957 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:09,957 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:09,958 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-10-15 06:26:09,958 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:09,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:26:09,983 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002848754] [2020-10-15 06:26:09,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:26:09,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:26:09,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788784247] [2020-10-15 06:26:09,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:26:09,993 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:26:10,013 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:26:10,015 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:26:10,018 INFO L87 Difference]: Start difference. First operand 702 states. Second operand 6 states. [2020-10-15 06:26:11,898 WARN L193 SmtUtils]: Spent 766.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-15 06:26:16,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:26:16,476 INFO L93 Difference]: Finished difference Result 1210 states and 1585 transitions. [2020-10-15 06:26:16,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:26:16,478 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 31 [2020-10-15 06:26:16,479 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:26:16,501 INFO L225 Difference]: With dead ends: 1210 [2020-10-15 06:26:16,501 INFO L226 Difference]: Without dead ends: 620 [2020-10-15 06:26:16,511 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2020-10-15 06:26:16,531 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2020-10-15 06:26:16,700 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 584. [2020-10-15 06:26:16,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-10-15 06:26:16,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 750 transitions. [2020-10-15 06:26:16,710 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 750 transitions. Word has length 31 [2020-10-15 06:26:16,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:26:16,711 INFO L479 AbstractCegarLoop]: Abstraction has 584 states and 750 transitions. [2020-10-15 06:26:16,711 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:26:16,711 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 750 transitions. [2020-10-15 06:26:16,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2020-10-15 06:26:16,714 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:26:16,715 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] [2020-10-15 06:26:16,715 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-10-15 06:26:16,715 INFO L427 AbstractCegarLoop]: === Iteration 2 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:26:16,715 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:26:16,716 INFO L82 PathProgramCache]: Analyzing trace with hash -1114238142, now seen corresponding path program 1 times [2020-10-15 06:26:16,716 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:26:16,716 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333560852] [2020-10-15 06:26:16,716 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:26:16,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:16,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:17,022 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:17,050 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:17,265 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:18,844 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:18,844 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 46 [2020-10-15 06:26:18,844 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:26:18,845 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2064 [2020-10-15 06:26:18,845 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:18,846 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:18,846 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 5 [2020-10-15 06:26:18,847 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 26 [2020-10-15 06:26:18,847 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:19,798 WARN L193 SmtUtils]: Spent 840.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-15 06:26:19,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:26:19,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:19,858 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:20,135 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:20,137 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:20,137 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:20,137 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 304 [2020-10-15 06:26:20,138 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:20,138 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:20,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:20,138 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:20,139 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:26:20,139 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:20,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:26:20,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:20,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:20,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:20,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:20,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:20,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:26:20,213 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:20,213 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:20,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:20,216 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:26:20,216 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-10-15 06:26:20,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 06:26:20,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:20,257 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:20,267 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:20,267 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 06:26:20,267 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:20,268 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 12 [2020-10-15 06:26:20,268 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:20,268 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:20,268 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 06:26:20,269 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:26:20,269 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:26:20,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:26:20,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333560852] [2020-10-15 06:26:20,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:26:20,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-10-15 06:26:20,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1479693094] [2020-10-15 06:26:20,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-10-15 06:26:20,302 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:26:20,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-10-15 06:26:20,303 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:26:20,303 INFO L87 Difference]: Start difference. First operand 584 states and 750 transitions. Second operand 7 states. [2020-10-15 06:26:22,546 WARN L193 SmtUtils]: Spent 728.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-15 06:26:30,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:26:30,772 INFO L93 Difference]: Finished difference Result 1193 states and 1539 transitions. [2020-10-15 06:26:30,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:26:30,773 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 32 [2020-10-15 06:26:30,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:26:30,781 INFO L225 Difference]: With dead ends: 1193 [2020-10-15 06:26:30,782 INFO L226 Difference]: Without dead ends: 620 [2020-10-15 06:26:30,786 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-10-15 06:26:30,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 620 states. [2020-10-15 06:26:30,954 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 620 to 584. [2020-10-15 06:26:30,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 584 states. [2020-10-15 06:26:30,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 584 states and 749 transitions. [2020-10-15 06:26:30,962 INFO L78 Accepts]: Start accepts. Automaton has 584 states and 749 transitions. Word has length 32 [2020-10-15 06:26:30,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:26:30,962 INFO L479 AbstractCegarLoop]: Abstraction has 584 states and 749 transitions. [2020-10-15 06:26:30,962 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-10-15 06:26:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 749 transitions. [2020-10-15 06:26:30,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2020-10-15 06:26:30,969 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:26:30,970 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] [2020-10-15 06:26:30,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-10-15 06:26:30,970 INFO L427 AbstractCegarLoop]: === Iteration 3 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:26:30,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:26:30,970 INFO L82 PathProgramCache]: Analyzing trace with hash 706697067, now seen corresponding path program 1 times [2020-10-15 06:26:30,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:26:30,974 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545483859] [2020-10-15 06:26:30,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:26:31,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:31,089 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:31,183 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:31,927 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:33,933 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:33,933 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 52 [2020-10-15 06:26:33,933 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:26:33,934 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2885 [2020-10-15 06:26:33,934 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:33,934 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 8 [2020-10-15 06:26:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:26:33,935 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 06:26:33,935 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:34,878 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-15 06:26:34,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:26:34,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:34,903 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:34,986 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:34,987 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:34,987 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:34,987 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 94 [2020-10-15 06:26:34,987 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:34,988 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:26:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:34,988 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:26:34,989 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:35,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:26:35,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:35,046 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:35,049 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:35,050 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:35,050 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:35,050 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:26:35,050 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:35,051 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:35,051 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:26:35,051 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:35,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 06:26:35,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:35,062 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:35,065 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:35,066 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:35,066 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:35,066 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:26:35,066 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:35,067 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:35,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:35,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:35,067 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:26:35,068 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:35,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:26:35,082 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545483859] [2020-10-15 06:26:35,082 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:26:35,082 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-10-15 06:26:35,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2032739566] [2020-10-15 06:26:35,085 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-10-15 06:26:35,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:26:35,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-10-15 06:26:35,086 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-10-15 06:26:35,086 INFO L87 Difference]: Start difference. First operand 584 states and 749 transitions. Second operand 5 states. [2020-10-15 06:26:37,282 WARN L193 SmtUtils]: Spent 690.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-15 06:26:45,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:26:45,977 INFO L93 Difference]: Finished difference Result 828 states and 1056 transitions. [2020-10-15 06:26:45,978 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:26:45,978 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 34 [2020-10-15 06:26:45,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:26:45,983 INFO L225 Difference]: With dead ends: 828 [2020-10-15 06:26:45,984 INFO L226 Difference]: Without dead ends: 823 [2020-10-15 06:26:45,985 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-10-15 06:26:45,986 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 823 states. [2020-10-15 06:26:46,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 823 to 782. [2020-10-15 06:26:46,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 782 states. [2020-10-15 06:26:46,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 782 states to 782 states and 997 transitions. [2020-10-15 06:26:46,136 INFO L78 Accepts]: Start accepts. Automaton has 782 states and 997 transitions. Word has length 34 [2020-10-15 06:26:46,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:26:46,136 INFO L479 AbstractCegarLoop]: Abstraction has 782 states and 997 transitions. [2020-10-15 06:26:46,136 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-10-15 06:26:46,136 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 997 transitions. [2020-10-15 06:26:46,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2020-10-15 06:26:46,139 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:26:46,139 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] [2020-10-15 06:26:46,139 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-10-15 06:26:46,140 INFO L427 AbstractCegarLoop]: === Iteration 4 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:26:46,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:26:46,140 INFO L82 PathProgramCache]: Analyzing trace with hash 1155477521, now seen corresponding path program 1 times [2020-10-15 06:26:46,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:26:46,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039419910] [2020-10-15 06:26:46,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:26:46,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:46,243 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:46,372 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:46,565 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:47,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:47,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:47,590 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:51,264 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:51,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 63 [2020-10-15 06:26:51,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 6 [2020-10-15 06:26:51,264 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5062 [2020-10-15 06:26:51,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:51,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:51,265 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 34 [2020-10-15 06:26:51,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 06:26:51,266 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:52,105 WARN L193 SmtUtils]: Spent 762.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-15 06:26:52,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:26:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:52,126 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:52,190 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:52,191 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:52,191 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:52,191 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 69 [2020-10-15 06:26:52,191 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:52,192 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:52,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:26:52,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:52,192 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:26:52,192 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:52,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:26:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:52,245 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:52,251 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:52,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:26:52,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:26:52,252 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-10-15 06:26:52,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:52,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:52,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:26:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:26:52,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:26:52,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:52,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-10-15 06:26:52,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:52,311 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:52,324 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:52,337 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:52,373 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:52,450 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:52,450 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 27 [2020-10-15 06:26:52,451 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:26:52,451 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 143 [2020-10-15 06:26:52,451 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:52,452 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-10-15 06:26:52,452 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-10-15 06:26:52,453 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:52,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 06:26:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:52,493 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:52,496 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:52,502 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:52,502 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-10-15 06:26:52,502 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:26:52,502 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-10-15 06:26:52,503 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:52,503 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:52,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:52,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-10-15 06:26:52,503 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:26:52,504 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:52,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 06:26:52,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:26:52,544 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:52,546 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:26:52,555 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:26:52,556 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 06:26:52,556 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 2 [2020-10-15 06:26:52,556 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-10-15 06:26:52,556 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:26:52,557 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:26:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:26:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 3 [2020-10-15 06:26:52,557 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:26:52,557 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:26:52,587 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:26:52,587 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039419910] [2020-10-15 06:26:52,588 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:26:52,588 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-10-15 06:26:52,588 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1955089627] [2020-10-15 06:26:52,589 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-10-15 06:26:52,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:26:52,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-10-15 06:26:52,589 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-10-15 06:26:52,589 INFO L87 Difference]: Start difference. First operand 782 states and 997 transitions. Second operand 10 states. [2020-10-15 06:26:55,076 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-15 06:26:56,416 WARN L193 SmtUtils]: Spent 702.00 ms on a formula simplification that was a NOOP. DAG size: 395 [2020-10-15 06:26:58,125 WARN L193 SmtUtils]: Spent 699.00 ms on a formula simplification that was a NOOP. DAG size: 394 [2020-10-15 06:27:12,921 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:27:12,921 INFO L93 Difference]: Finished difference Result 2444 states and 3181 transitions. [2020-10-15 06:27:12,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-10-15 06:27:12,924 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 45 [2020-10-15 06:27:12,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:27:12,937 INFO L225 Difference]: With dead ends: 2444 [2020-10-15 06:27:12,938 INFO L226 Difference]: Without dead ends: 1673 [2020-10-15 06:27:12,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 121 ImplicationChecksByTransitivity, 3.4s TimeCoverageRelationStatistics Valid=150, Invalid=500, Unknown=0, NotChecked=0, Total=650 [2020-10-15 06:27:12,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1673 states. [2020-10-15 06:27:13,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1673 to 1490. [2020-10-15 06:27:13,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1490 states. [2020-10-15 06:27:13,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1490 states and 1897 transitions. [2020-10-15 06:27:13,198 INFO L78 Accepts]: Start accepts. Automaton has 1490 states and 1897 transitions. Word has length 45 [2020-10-15 06:27:13,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:27:13,199 INFO L479 AbstractCegarLoop]: Abstraction has 1490 states and 1897 transitions. [2020-10-15 06:27:13,199 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-10-15 06:27:13,199 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1897 transitions. [2020-10-15 06:27:13,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-10-15 06:27:13,200 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:27:13,201 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] [2020-10-15 06:27:13,201 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-10-15 06:27:13,201 INFO L427 AbstractCegarLoop]: === Iteration 5 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:27:13,201 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:27:13,201 INFO L82 PathProgramCache]: Analyzing trace with hash 1403859553, now seen corresponding path program 1 times [2020-10-15 06:27:13,202 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:27:13,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906906881] [2020-10-15 06:27:13,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:27:13,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:13,289 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:13,360 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:13,439 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:14,506 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:15,659 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:15,659 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 69 [2020-10-15 06:27:15,659 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:27:15,659 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2406 [2020-10-15 06:27:15,660 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:15,660 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:27:15,660 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 50 [2020-10-15 06:27:15,661 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:16,429 WARN L193 SmtUtils]: Spent 708.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-15 06:27:16,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:27:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:16,450 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:16,506 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:16,507 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:16,507 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:16,507 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 61 [2020-10-15 06:27:16,507 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:16,508 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:16,508 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:16,508 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:16,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:27:16,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:16,561 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:16,563 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:16,564 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:16,564 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:16,564 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:27:16,564 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:16,564 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:16,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:16,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:16,565 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:27:16,565 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:16,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:27:16,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:16,588 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:16,592 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:16,606 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:16,626 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:16,626 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 06:27:16,626 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:27:16,626 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 39 [2020-10-15 06:27:16,627 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:16,627 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:16,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:16,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:16,627 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 06:27:16,628 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:16,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 06:27:16,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:16,637 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:16,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:16,639 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:16,639 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:16,639 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-10-15 06:27:16,640 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:16,640 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:16,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:16,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:16,641 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:16,641 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:16,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:27:16,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:16,649 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:16,654 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:16,655 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 06:27:16,655 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:16,657 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:27:16,657 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:16,657 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:16,657 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:16,658 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:16,658 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:16,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:27:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:16,669 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:16,672 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:16,672 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 06:27:16,672 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:16,672 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:27:16,673 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:16,673 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:16,673 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:16,673 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:16,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:27:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:16,680 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:16,681 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:16,682 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:16,682 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:16,682 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:27:16,682 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:16,683 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:16,683 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:16,684 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:16,696 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:27:16,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906906881] [2020-10-15 06:27:16,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:27:16,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:27:16,698 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923430500] [2020-10-15 06:27:16,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:27:16,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:27:16,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:27:16,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:27:16,699 INFO L87 Difference]: Start difference. First operand 1490 states and 1897 transitions. Second operand 6 states. [2020-10-15 06:27:20,367 WARN L193 SmtUtils]: Spent 763.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-15 06:27:26,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:27:26,773 INFO L93 Difference]: Finished difference Result 1559 states and 1983 transitions. [2020-10-15 06:27:26,777 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 06:27:26,777 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 47 [2020-10-15 06:27:26,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:27:26,786 INFO L225 Difference]: With dead ends: 1559 [2020-10-15 06:27:26,786 INFO L226 Difference]: Without dead ends: 1556 [2020-10-15 06:27:26,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-15 06:27:26,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2020-10-15 06:27:27,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1489. [2020-10-15 06:27:27,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1489 states. [2020-10-15 06:27:27,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1489 states and 1895 transitions. [2020-10-15 06:27:27,045 INFO L78 Accepts]: Start accepts. Automaton has 1489 states and 1895 transitions. Word has length 47 [2020-10-15 06:27:27,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:27:27,046 INFO L479 AbstractCegarLoop]: Abstraction has 1489 states and 1895 transitions. [2020-10-15 06:27:27,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:27:27,046 INFO L276 IsEmpty]: Start isEmpty. Operand 1489 states and 1895 transitions. [2020-10-15 06:27:27,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2020-10-15 06:27:27,048 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:27:27,048 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] [2020-10-15 06:27:27,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-10-15 06:27:27,049 INFO L427 AbstractCegarLoop]: === Iteration 6 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:27:27,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:27:27,049 INFO L82 PathProgramCache]: Analyzing trace with hash 569582715, now seen corresponding path program 1 times [2020-10-15 06:27:27,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:27:27,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1473882816] [2020-10-15 06:27:27,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:27:27,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:27,127 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:27,186 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:27,248 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:28,190 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:29,288 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:29,288 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 70 [2020-10-15 06:27:29,288 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-10-15 06:27:29,289 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2194 [2020-10-15 06:27:29,289 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:29,289 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:29,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:29,289 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 15 [2020-10-15 06:27:29,290 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 51 [2020-10-15 06:27:29,290 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:30,046 WARN L193 SmtUtils]: Spent 689.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-15 06:27:30,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:27:30,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:30,066 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:30,117 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:30,117 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:30,117 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:30,117 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 55 [2020-10-15 06:27:30,118 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:30,118 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:30,118 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:30,119 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:30,119 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:30,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:27:30,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:30,163 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:30,165 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:30,166 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:30,166 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:30,166 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:27:30,166 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:30,167 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:30,167 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 2 [2020-10-15 06:27:30,167 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:30,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-10-15 06:27:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:30,187 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:30,192 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:30,205 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:30,224 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:30,224 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 36 [2020-10-15 06:27:30,224 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:27:30,225 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 40 [2020-10-15 06:27:30,225 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:30,225 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:30,225 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:30,226 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 33 [2020-10-15 06:27:30,226 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:30,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-10-15 06:27:30,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:30,234 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:30,236 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:30,236 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:30,237 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:30,237 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:27:30,238 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:30,238 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:30,238 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:30,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:30,239 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:30,239 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:30,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:27:30,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:30,246 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:30,250 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:30,251 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 21 [2020-10-15 06:27:30,251 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:30,251 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-10-15 06:27:30,252 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:30,252 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:30,252 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:30,253 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:30,253 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:30,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:27:30,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:30,260 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:30,263 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:30,264 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 14 [2020-10-15 06:27:30,264 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:30,265 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-10-15 06:27:30,265 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:30,265 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:30,266 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:30,267 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:30,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:27:30,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:30,273 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:30,275 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:30,275 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:30,275 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:30,276 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:27:30,276 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:30,276 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:30,276 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:30,277 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:30,277 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:30,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:27:30,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1473882816] [2020-10-15 06:27:30,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:27:30,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:27:30,290 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1370434621] [2020-10-15 06:27:30,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:27:30,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:27:30,291 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:27:30,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:27:30,291 INFO L87 Difference]: Start difference. First operand 1489 states and 1895 transitions. Second operand 6 states. [2020-10-15 06:27:32,727 WARN L193 SmtUtils]: Spent 733.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-15 06:27:39,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:27:39,434 INFO L93 Difference]: Finished difference Result 1558 states and 1981 transitions. [2020-10-15 06:27:39,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-10-15 06:27:39,437 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 48 [2020-10-15 06:27:39,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:27:39,445 INFO L225 Difference]: With dead ends: 1558 [2020-10-15 06:27:39,446 INFO L226 Difference]: Without dead ends: 1502 [2020-10-15 06:27:39,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2020-10-15 06:27:39,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1502 states. [2020-10-15 06:27:39,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1502 to 1435. [2020-10-15 06:27:39,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1435 states. [2020-10-15 06:27:39,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1435 states to 1435 states and 1825 transitions. [2020-10-15 06:27:39,715 INFO L78 Accepts]: Start accepts. Automaton has 1435 states and 1825 transitions. Word has length 48 [2020-10-15 06:27:39,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:27:39,716 INFO L479 AbstractCegarLoop]: Abstraction has 1435 states and 1825 transitions. [2020-10-15 06:27:39,716 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:27:39,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1825 transitions. [2020-10-15 06:27:39,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-10-15 06:27:39,717 INFO L414 BasicCegarLoop]: Found error trace [2020-10-15 06:27:39,718 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] [2020-10-15 06:27:39,718 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-10-15 06:27:39,718 INFO L427 AbstractCegarLoop]: === Iteration 7 === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-10-15 06:27:39,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-15 06:27:39,719 INFO L82 PathProgramCache]: Analyzing trace with hash -720104646, now seen corresponding path program 1 times [2020-10-15 06:27:39,719 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-10-15 06:27:39,719 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [304057044] [2020-10-15 06:27:39,719 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-15 06:27:39,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:39,802 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:39,878 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:40,209 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:41,963 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:41,963 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 75 [2020-10-15 06:27:41,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-10-15 06:27:41,964 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2198 [2020-10-15 06:27:41,964 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:41,964 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 6 [2020-10-15 06:27:41,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 48 [2020-10-15 06:27:41,965 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 23 [2020-10-15 06:27:41,965 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:42,793 WARN L193 SmtUtils]: Spent 752.00 ms on a formula simplification that was a NOOP. DAG size: 391 [2020-10-15 06:27:42,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-10-15 06:27:42,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:42,812 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:42,874 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:42,874 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:42,874 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:42,875 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 66 [2020-10-15 06:27:42,875 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:42,875 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:42,875 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:42,876 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:42,876 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:42,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-10-15 06:27:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:42,924 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:42,926 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:42,926 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:42,926 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:42,927 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:27:42,927 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:42,927 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:42,927 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:42,928 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:42,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-10-15 06:27:42,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:42,933 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:42,934 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:42,935 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:42,935 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:42,935 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:27:42,935 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:42,935 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-10-15 06:27:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:42,936 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-10-15 06:27:42,936 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:42,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2020-10-15 06:27:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:42,957 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:42,962 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:42,962 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 22 [2020-10-15 06:27:42,963 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:42,963 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-10-15 06:27:42,963 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:42,963 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:42,963 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:42,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:42,964 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 8 [2020-10-15 06:27:42,964 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:42,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-10-15 06:27:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:42,972 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:42,975 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:42,976 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-10-15 06:27:42,976 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:42,976 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-10-15 06:27:42,976 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:42,976 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:42,977 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-10-15 06:27:42,977 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-10-15 06:27:42,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-10-15 06:27:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-15 06:27:42,986 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-10-15 06:27:42,988 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-10-15 06:27:42,988 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-10-15 06:27:42,988 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-10-15 06:27:42,989 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-10-15 06:27:42,989 FATAL L256 erpolLogProxyWrapper]: Heuristic: SMALLESTAMONGWIDE [2020-10-15 06:27:42,989 FATAL L256 erpolLogProxyWrapper]: Tolerance: 0.2 [2020-10-15 06:27:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-10-15 06:27:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-10-15 06:27:42,989 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-10-15 06:27:42,990 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-10-15 06:27:43,001 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-15 06:27:43,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [304057044] [2020-10-15 06:27:43,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-15 06:27:43,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-10-15 06:27:43,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1069057100] [2020-10-15 06:27:43,005 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-10-15 06:27:43,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-10-15 06:27:43,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-10-15 06:27:43,005 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2020-10-15 06:27:43,005 INFO L87 Difference]: Start difference. First operand 1435 states and 1825 transitions. Second operand 6 states. [2020-10-15 06:27:46,445 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification that was a NOOP. DAG size: 393 [2020-10-15 06:27:57,561 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-15 06:27:57,562 INFO L93 Difference]: Finished difference Result 1496 states and 1904 transitions. [2020-10-15 06:27:57,562 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-10-15 06:27:57,562 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 51 [2020-10-15 06:27:57,563 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-10-15 06:27:57,563 INFO L225 Difference]: With dead ends: 1496 [2020-10-15 06:27:57,564 INFO L226 Difference]: Without dead ends: 0 [2020-10-15 06:27:57,568 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2020-10-15 06:27:57,568 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-10-15 06:27:57,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-10-15 06:27:57,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-10-15 06:27:57,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-10-15 06:27:57,569 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 51 [2020-10-15 06:27:57,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-10-15 06:27:57,570 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-15 06:27:57,570 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-10-15 06:27:57,570 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-10-15 06:27:57,570 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-15 06:27:57,570 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-10-15 06:27:57,572 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-10-15 06:27:57,747 WARN L193 SmtUtils]: Spent 134.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-15 06:27:57,885 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification that was a NOOP. DAG size: 400 [2020-10-15 06:27:58,010 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 399 [2020-10-15 06:27:58,112 WARN L193 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 401 [2020-10-15 06:28:00,570 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 403 DAG size of output: 399 [2020-10-15 06:28:01,696 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:01,881 WARN L193 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:03,842 WARN L193 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:03,965 WARN L193 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:04,149 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 33 [2020-10-15 06:28:04,462 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 395 [2020-10-15 06:28:04,705 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 33 [2020-10-15 06:28:04,892 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 395 [2020-10-15 06:28:05,490 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:05,603 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:07,595 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:07,733 WARN L193 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 405 [2020-10-15 06:28:08,079 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:08,210 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 32 [2020-10-15 06:28:09,253 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:09,369 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:09,496 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 33 [2020-10-15 06:28:09,645 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 395 [2020-10-15 06:28:09,806 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 33 [2020-10-15 06:28:09,966 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 395 [2020-10-15 06:28:13,247 WARN L193 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:13,357 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:15,948 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:16,059 WARN L193 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:16,511 WARN L193 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:16,630 WARN L193 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:18,035 WARN L193 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:18,149 WARN L193 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 419 DAG size of output: 31 [2020-10-15 06:28:18,274 WARN L193 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 33 [2020-10-15 06:28:18,453 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 395 [2020-10-15 06:28:18,580 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 420 DAG size of output: 33 [2020-10-15 06:28:18,732 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 421 DAG size of output: 395 [2020-10-15 06:28:19,914 WARN L193 SmtUtils]: Spent 612.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:28:21,078 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-15 06:28:21,746 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:22,379 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:23,062 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:28:24,333 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 284 DAG size of output: 31 [2020-10-15 06:28:25,600 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 283 DAG size of output: 28 [2020-10-15 06:28:26,278 WARN L193 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:28,031 WARN L193 SmtUtils]: Spent 1.75 s on a formula simplification. DAG size of input: 290 DAG size of output: 33 [2020-10-15 06:28:29,261 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 287 DAG size of output: 34 [2020-10-15 06:28:29,950 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:30,635 WARN L193 SmtUtils]: Spent 681.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:31,841 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 287 DAG size of output: 36 [2020-10-15 06:28:33,642 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 290 DAG size of output: 33 [2020-10-15 06:28:34,301 WARN L193 SmtUtils]: Spent 654.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:28:35,014 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:28:35,771 WARN L193 SmtUtils]: Spent 652.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:36,525 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:37,142 WARN L193 SmtUtils]: Spent 614.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 62 [2020-10-15 06:28:38,325 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-15 06:28:38,864 WARN L193 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 271 DAG size of output: 21 [2020-10-15 06:28:39,562 WARN L193 SmtUtils]: Spent 609.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:28:40,755 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 283 DAG size of output: 26 [2020-10-15 06:28:41,990 WARN L193 SmtUtils]: Spent 1.16 s on a formula simplification. DAG size of input: 283 DAG size of output: 26 [2020-10-15 06:28:42,673 WARN L193 SmtUtils]: Spent 655.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:28:43,309 WARN L193 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:28:44,542 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 287 DAG size of output: 36 [2020-10-15 06:28:45,196 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 1 [2020-10-15 06:28:46,410 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 283 DAG size of output: 26 [2020-10-15 06:28:47,033 WARN L193 SmtUtils]: Spent 597.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:47,636 WARN L193 SmtUtils]: Spent 599.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:47,764 WARN L193 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 1 [2020-10-15 06:28:49,485 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 290 DAG size of output: 42 [2020-10-15 06:28:50,712 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 283 DAG size of output: 21 [2020-10-15 06:28:52,439 WARN L193 SmtUtils]: Spent 1.72 s on a formula simplification. DAG size of input: 292 DAG size of output: 39 [2020-10-15 06:28:53,076 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:53,758 WARN L193 SmtUtils]: Spent 679.00 ms on a formula simplification. DAG size of input: 285 DAG size of output: 38 [2020-10-15 06:28:54,946 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 282 DAG size of output: 25 [2020-10-15 06:28:55,574 WARN L193 SmtUtils]: Spent 626.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:57,430 WARN L193 SmtUtils]: Spent 1.81 s on a formula simplification. DAG size of input: 290 DAG size of output: 33 [2020-10-15 06:28:58,172 WARN L193 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:28:58,849 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:29:00,077 WARN L193 SmtUtils]: Spent 1.19 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-15 06:29:00,781 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:29:01,511 WARN L193 SmtUtils]: Spent 625.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:29:02,148 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:29:02,813 WARN L193 SmtUtils]: Spent 616.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:29:03,989 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 282 DAG size of output: 20 [2020-10-15 06:29:04,598 WARN L193 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 289 DAG size of output: 50 [2020-10-15 06:29:05,779 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-15 06:29:07,061 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 286 DAG size of output: 36 [2020-10-15 06:29:08,245 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 282 DAG size of output: 25 [2020-10-15 06:29:09,419 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-15 06:29:10,101 WARN L193 SmtUtils]: Spent 618.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:29:10,746 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:29:12,512 WARN L193 SmtUtils]: Spent 1.76 s on a formula simplification. DAG size of input: 289 DAG size of output: 30 [2020-10-15 06:29:13,161 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:29:13,891 WARN L193 SmtUtils]: Spent 648.00 ms on a formula simplification. DAG size of input: 281 DAG size of output: 1 [2020-10-15 06:29:15,099 WARN L193 SmtUtils]: Spent 1.21 s on a formula simplification. DAG size of input: 283 DAG size of output: 21 [2020-10-15 06:29:15,733 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:29:16,348 WARN L193 SmtUtils]: Spent 587.00 ms on a formula simplification. DAG size of input: 286 DAG size of output: 62 [2020-10-15 06:29:17,622 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-15 06:29:18,808 WARN L193 SmtUtils]: Spent 1.18 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-15 06:29:19,472 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:29:19,599 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 279 DAG size of output: 1 [2020-10-15 06:29:20,247 WARN L193 SmtUtils]: Spent 630.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:29:21,434 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-15 06:29:22,607 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-15 06:29:23,810 WARN L193 SmtUtils]: Spent 1.20 s on a formula simplification. DAG size of input: 284 DAG size of output: 31 [2020-10-15 06:29:24,449 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:29:24,617 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-10-15 06:29:25,201 WARN L193 SmtUtils]: Spent 581.00 ms on a formula simplification. DAG size of input: 282 DAG size of output: 37 [2020-10-15 06:29:25,832 WARN L193 SmtUtils]: Spent 627.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:29:26,505 WARN L193 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1 [2020-10-15 06:29:27,137 WARN L193 SmtUtils]: Spent 628.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:29:27,816 WARN L193 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:29:29,588 WARN L193 SmtUtils]: Spent 1.77 s on a formula simplification. DAG size of input: 290 DAG size of output: 33 [2020-10-15 06:29:30,761 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 281 DAG size of output: 21 [2020-10-15 06:29:31,387 WARN L193 SmtUtils]: Spent 623.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:29:32,616 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 285 DAG size of output: 34 [2020-10-15 06:29:33,211 WARN L193 SmtUtils]: Spent 592.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:29:33,877 WARN L193 SmtUtils]: Spent 635.00 ms on a formula simplification. DAG size of input: 287 DAG size of output: 1 [2020-10-15 06:29:35,027 WARN L193 SmtUtils]: Spent 1.15 s on a formula simplification. DAG size of input: 283 DAG size of output: 26 [2020-10-15 06:29:36,141 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 282 DAG size of output: 20 [2020-10-15 06:29:36,743 WARN L193 SmtUtils]: Spent 588.00 ms on a formula simplification. DAG size of input: 280 DAG size of output: 1