/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --rcfgbuilder.size.of.a.code.block SingleStatement --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options produce-proofs=true --traceabstraction.additional.smt.options produce-unsat-cores=true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=BIGGEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 20:15:32,901 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 20:15:32,906 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 20:15:32,948 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 20:15:32,949 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 20:15:32,952 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 20:15:32,953 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 20:15:32,958 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 20:15:32,959 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 20:15:32,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 20:15:32,965 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 20:15:32,967 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 20:15:32,967 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 20:15:32,970 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 20:15:32,973 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 20:15:32,975 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 20:15:32,977 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 20:15:32,978 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 20:15:32,980 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 20:15:32,986 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 20:15:32,988 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 20:15:32,989 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 20:15:32,990 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 20:15:32,991 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 20:15:32,995 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 20:15:32,995 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 20:15:32,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 20:15:32,998 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 20:15:32,999 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 20:15:33,009 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 20:15:33,009 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 20:15:33,015 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 20:15:33,016 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 20:15:33,017 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 20:15:33,018 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 20:15:33,018 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 20:15:33,019 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 20:15:33,019 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 20:15:33,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 20:15:33,020 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 20:15:33,021 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 20:15:33,022 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-09-24 20:15:33,047 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 20:15:33,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 20:15:33,049 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 20:15:33,049 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 20:15:33,049 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 20:15:33,049 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 20:15:33,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 20:15:33,050 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 20:15:33,050 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 20:15:33,050 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 20:15:33,050 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 20:15:33,051 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 20:15:33,051 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 20:15:33,051 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 20:15:33,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 20:15:33,051 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 20:15:33,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 20:15:33,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 20:15:33,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 20:15:33,052 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 20:15:33,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 20:15:33,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:15:33,053 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 20:15:33,053 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 20:15:33,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 20:15:33,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 20:15:33,054 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 20:15:33,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 20:15:33,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 20:15:33,054 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder: Size of a code block -> SingleStatement Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> produce-proofs=true;produce-unsat-cores=true;enumeration-timeout=5000;interpolation-heuristic=BIGGEST;log-additional-information=true; [2020-09-24 20:15:33,495 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 20:15:33,520 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 20:15:33,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 20:15:33,528 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 20:15:33,528 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 20:15:33,529 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2020-09-24 20:15:33,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4382b403d/23496e7197aa468eb84507db23723dbd/FLAG6b3793a04 [2020-09-24 20:15:34,192 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 20:15:34,193 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec4_product22.cil.c [2020-09-24 20:15:34,208 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4382b403d/23496e7197aa468eb84507db23723dbd/FLAG6b3793a04 [2020-09-24 20:15:34,449 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/4382b403d/23496e7197aa468eb84507db23723dbd [2020-09-24 20:15:34,463 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 20:15:34,470 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 20:15:34,471 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 20:15:34,471 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 20:15:34,478 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 20:15:34,479 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:15:34" (1/1) ... [2020-09-24 20:15:34,484 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ed4b80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:34, skipping insertion in model container [2020-09-24 20:15:34,485 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 08:15:34" (1/1) ... [2020-09-24 20:15:34,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 20:15:34,572 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 20:15:35,031 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:15:35,049 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 20:15:35,160 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 20:15:35,207 INFO L208 MainTranslator]: Completed translation [2020-09-24 20:15:35,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:35 WrapperNode [2020-09-24 20:15:35,207 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 20:15:35,208 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 20:15:35,208 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 20:15:35,209 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 20:15:35,223 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:35" (1/1) ... [2020-09-24 20:15:35,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:35" (1/1) ... [2020-09-24 20:15:35,243 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:35" (1/1) ... [2020-09-24 20:15:35,243 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:35" (1/1) ... [2020-09-24 20:15:35,278 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:35" (1/1) ... [2020-09-24 20:15:35,289 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:35" (1/1) ... [2020-09-24 20:15:35,294 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:35" (1/1) ... [2020-09-24 20:15:35,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 20:15:35,302 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 20:15:35,302 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 20:15:35,302 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 20:15:35,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 20:15:35,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 20:15:35,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 20:15:35,399 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 20:15:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 20:15:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 20:15:35,400 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 20:15:35,401 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 20:15:35,401 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 20:15:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 20:15:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 20:15:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 20:15:35,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 20:15:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 20:15:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 20:15:35,403 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 20:15:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 20:15:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 20:15:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 20:15:35,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 20:15:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 20:15:35,405 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 20:15:35,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 20:15:35,406 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 20:15:35,406 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 20:15:35,406 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 20:15:35,407 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 20:15:35,407 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 20:15:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 20:15:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 20:15:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 20:15:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 20:15:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 20:15:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:15:35,408 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 20:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 20:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 20:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 20:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 20:15:35,409 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 20:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 20:15:35,409 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 20:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 20:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 20:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 20:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 20:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 20:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 20:15:35,410 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 20:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 20:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 20:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 20:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 20:15:35,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 20:15:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 20:15:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 20:15:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 20:15:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 20:15:35,412 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 20:15:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 20:15:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 20:15:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-09-24 20:15:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 20:15:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 20:15:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 20:15:35,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 20:15:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 20:15:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 20:15:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 20:15:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 20:15:35,414 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 20:15:35,415 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 20:15:35,416 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 20:15:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 20:15:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 20:15:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 20:15:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 20:15:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 20:15:35,417 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 20:15:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 20:15:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 20:15:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 20:15:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 20:15:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 20:15:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 20:15:35,418 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 20:15:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 20:15:35,419 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 20:15:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 20:15:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 20:15:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 20:15:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 20:15:35,420 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 20:15:36,571 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 20:15:36,571 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 20:15:36,579 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:15:36 BoogieIcfgContainer [2020-09-24 20:15:36,579 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 20:15:36,580 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 20:15:36,580 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 20:15:36,584 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 20:15:36,584 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 08:15:34" (1/3) ... [2020-09-24 20:15:36,585 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229d267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:15:36, skipping insertion in model container [2020-09-24 20:15:36,585 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 08:15:35" (2/3) ... [2020-09-24 20:15:36,586 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@229d267 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 08:15:36, skipping insertion in model container [2020-09-24 20:15:36,586 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 08:15:36" (3/3) ... [2020-09-24 20:15:36,588 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product22.cil.c [2020-09-24 20:15:36,600 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 20:15:36,611 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 20:15:36,633 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 20:15:36,666 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 20:15:36,667 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 20:15:36,667 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 20:15:36,667 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 20:15:36,667 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 20:15:36,667 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 20:15:36,668 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 20:15:36,668 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 20:15:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states. [2020-09-24 20:15:36,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-09-24 20:15:36,717 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:36,719 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:15:36,719 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:36,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:36,726 INFO L82 PathProgramCache]: Analyzing trace with hash -1066911215, now seen corresponding path program 1 times [2020-09-24 20:15:36,737 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:36,738 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [764047486] [2020-09-24 20:15:36,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:37,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:37,233 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:37,452 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:38,829 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:39,862 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:42,184 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:42,185 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 173 [2020-09-24 20:15:42,185 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:15:42,186 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5063 [2020-09-24 20:15:42,189 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 16 [2020-09-24 20:15:42,190 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 20:15:42,191 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 80 [2020-09-24 20:15:42,191 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 20:15:42,775 WARN L193 SmtUtils]: Spent 389.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:42,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:42,900 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:43,150 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:43,150 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:43,151 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:43,151 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 300 [2020-09-24 20:15:43,151 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:43,151 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:43,152 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 20:15:43,152 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:43,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:43,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:43,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:43,273 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:43,273 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:43,273 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:43,273 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:15:43,274 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:43,274 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:43,275 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:43,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:43,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:43,281 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:43,285 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:43,285 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:43,286 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:43,286 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:43,286 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:43,286 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:43,287 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:43,287 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:43,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:43,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:43,293 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:43,305 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:43,306 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:43,306 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:43,306 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 14 [2020-09-24 20:15:43,307 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:43,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:43,307 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:43,308 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:43,308 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:43,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:43,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:43,315 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:43,321 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:43,321 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:43,321 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:43,322 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:15:43,322 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:43,322 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:43,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:43,323 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:43,323 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:43,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 120 [2020-09-24 20:15:43,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:43,332 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:43,340 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:43,340 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:43,340 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:43,341 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 10 [2020-09-24 20:15:43,341 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:15:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:43,342 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:43,343 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:43,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 130 [2020-09-24 20:15:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:43,382 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:43,384 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:43,384 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:43,393 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:43,393 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:43,394 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:43,394 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:43,395 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:43,395 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:43,449 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:43,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [764047486] [2020-09-24 20:15:43,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:43,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-09-24 20:15:43,454 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554063805] [2020-09-24 20:15:43,465 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-09-24 20:15:43,466 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:43,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-09-24 20:15:43,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2020-09-24 20:15:43,494 INFO L87 Difference]: Start difference. First operand 304 states. Second operand 8 states. [2020-09-24 20:15:44,268 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:45,221 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:45,550 WARN L193 SmtUtils]: Spent 257.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:45,925 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:46,255 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:15:46,546 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:15:46,881 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:47,184 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:15:49,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:49,116 INFO L93 Difference]: Finished difference Result 627 states and 769 transitions. [2020-09-24 20:15:49,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-09-24 20:15:49,123 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 142 [2020-09-24 20:15:49,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:49,162 INFO L225 Difference]: With dead ends: 627 [2020-09-24 20:15:49,162 INFO L226 Difference]: Without dead ends: 434 [2020-09-24 20:15:49,174 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=65, Invalid=175, Unknown=0, NotChecked=0, Total=240 [2020-09-24 20:15:49,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2020-09-24 20:15:49,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 390. [2020-09-24 20:15:49,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 390 states. [2020-09-24 20:15:49,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 390 states and 441 transitions. [2020-09-24 20:15:49,331 INFO L78 Accepts]: Start accepts. Automaton has 390 states and 441 transitions. Word has length 142 [2020-09-24 20:15:49,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:49,332 INFO L479 AbstractCegarLoop]: Abstraction has 390 states and 441 transitions. [2020-09-24 20:15:49,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-09-24 20:15:49,333 INFO L276 IsEmpty]: Start isEmpty. Operand 390 states and 441 transitions. [2020-09-24 20:15:49,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 20:15:49,339 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:49,339 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:15:49,340 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 20:15:49,340 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:49,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:49,340 INFO L82 PathProgramCache]: Analyzing trace with hash 1159281348, now seen corresponding path program 1 times [2020-09-24 20:15:49,341 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:49,341 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1425745197] [2020-09-24 20:15:49,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:49,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:49,458 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:49,587 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:50,512 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:54,430 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:54,430 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 181 [2020-09-24 20:15:54,431 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 3 [2020-09-24 20:15:54,431 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5031 [2020-09-24 20:15:54,431 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:54,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 12 [2020-09-24 20:15:54,431 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 79 [2020-09-24 20:15:54,432 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 61 [2020-09-24 20:15:54,432 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:54,742 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:15:54,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:15:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:54,840 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:55,038 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:55,038 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:15:55,039 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:55,039 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 235 [2020-09-24 20:15:55,039 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:55,039 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:55,040 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 75 [2020-09-24 20:15:55,040 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:55,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:15:55,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:55,133 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:55,139 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:55,139 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:55,139 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:55,139 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 6 [2020-09-24 20:15:55,140 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:55,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:55,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:55,140 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:55,141 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:55,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:15:55,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:55,151 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:55,167 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:55,167 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:55,168 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:55,168 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 17 [2020-09-24 20:15:55,168 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:55,168 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:55,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:55,169 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:55,169 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:55,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:15:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:55,174 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:55,181 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:55,181 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:55,182 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:55,182 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 8 [2020-09-24 20:15:55,183 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:55,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:55,183 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:55,184 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:15:55,184 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:55,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:15:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:55,189 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:55,192 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:55,192 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:15:55,192 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:55,193 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:55,193 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:55,193 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:15:55,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:15:55,194 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:15:55,194 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:55,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 117 [2020-09-24 20:15:55,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:55,208 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:55,212 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:55,213 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:15:55,213 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:55,213 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 4 [2020-09-24 20:15:55,214 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:55,214 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 7 [2020-09-24 20:15:55,215 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:55,215 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:55,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 20:15:55,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:55,219 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:55,221 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:55,222 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:55,222 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:55,222 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:15:55,223 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:55,223 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:55,224 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:55,224 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:15:55,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 20:15:55,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:55,228 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:55,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:15:55,230 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:15:55,230 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:15:55,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:15:55,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:15:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:15:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:15:55,231 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:15:55,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:15:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:15:55,283 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1425745197] [2020-09-24 20:15:55,284 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:15:55,284 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 20:15:55,284 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1554950991] [2020-09-24 20:15:55,286 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 20:15:55,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:15:55,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 20:15:55,287 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 20:15:55,288 INFO L87 Difference]: Start difference. First operand 390 states and 441 transitions. Second operand 5 states. [2020-09-24 20:15:55,781 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 20:15:56,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:15:56,469 INFO L93 Difference]: Finished difference Result 577 states and 684 transitions. [2020-09-24 20:15:56,469 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 20:15:56,469 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 148 [2020-09-24 20:15:56,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:15:56,473 INFO L225 Difference]: With dead ends: 577 [2020-09-24 20:15:56,473 INFO L226 Difference]: Without dead ends: 286 [2020-09-24 20:15:56,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 20:15:56,477 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 286 states. [2020-09-24 20:15:56,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 286 to 264. [2020-09-24 20:15:56,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 264 states. [2020-09-24 20:15:56,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 264 states and 282 transitions. [2020-09-24 20:15:56,533 INFO L78 Accepts]: Start accepts. Automaton has 264 states and 282 transitions. Word has length 148 [2020-09-24 20:15:56,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:15:56,534 INFO L479 AbstractCegarLoop]: Abstraction has 264 states and 282 transitions. [2020-09-24 20:15:56,534 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 20:15:56,534 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 282 transitions. [2020-09-24 20:15:56,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2020-09-24 20:15:56,538 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 20:15:56,538 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 20:15:56,539 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 20:15:56,539 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 20:15:56,539 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 20:15:56,539 INFO L82 PathProgramCache]: Analyzing trace with hash 712797812, now seen corresponding path program 1 times [2020-09-24 20:15:56,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 20:15:56,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1955646942] [2020-09-24 20:15:56,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 20:15:56,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:15:56,640 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:56,859 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:57,964 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:15:58,204 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:01,638 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:01,638 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 194 [2020-09-24 20:16:01,638 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 4 [2020-09-24 20:16:01,638 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5046 [2020-09-24 20:16:01,639 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:01,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 17 [2020-09-24 20:16:01,639 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 77 [2020-09-24 20:16:01,640 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 101 [2020-09-24 20:16:01,640 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:01,991 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:01,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 20:16:02,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:02,055 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:02,229 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:02,229 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 85 [2020-09-24 20:16:02,229 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:02,230 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 206 [2020-09-24 20:16:02,230 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:02,230 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 73 [2020-09-24 20:16:02,231 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:02,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 83 [2020-09-24 20:16:02,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:02,269 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:02,271 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:02,272 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:02,272 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:02,272 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 3 [2020-09-24 20:16:02,272 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:02,273 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:02,273 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:02,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 86 [2020-09-24 20:16:02,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:02,276 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:02,279 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:02,279 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:02,279 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:02,279 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:16:02,280 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:02,280 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:02,280 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:02,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 89 [2020-09-24 20:16:02,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:02,284 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:02,291 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:02,291 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:02,291 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:02,291 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 7 [2020-09-24 20:16:02,292 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:02,292 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:16:02,292 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:02,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 99 [2020-09-24 20:16:02,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:02,296 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:02,298 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:02,298 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 8 [2020-09-24 20:16:02,298 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:02,299 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:16:02,299 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:02,299 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:02,300 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 4 [2020-09-24 20:16:02,300 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:02,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 116 [2020-09-24 20:16:02,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:02,314 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:02,325 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:02,326 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 10 [2020-09-24 20:16:02,326 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:02,326 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 13 [2020-09-24 20:16:02,326 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:16:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 1 [2020-09-24 20:16:02,327 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 9 [2020-09-24 20:16:02,327 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 0 [2020-09-24 20:16:02,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 20:16:02,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:02,377 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:02,381 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:02,382 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 9 [2020-09-24 20:16:02,382 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:02,382 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 5 [2020-09-24 20:16:02,383 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:02,383 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 2 [2020-09-24 20:16:02,385 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:02,386 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 5 [2020-09-24 20:16:02,386 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 3 [2020-09-24 20:16:02,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 20:16:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:02,391 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:02,398 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:02,399 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:02,399 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:02,399 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 9 [2020-09-24 20:16:02,400 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 5 [2020-09-24 20:16:02,400 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 2 [2020-09-24 20:16:02,404 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 7 [2020-09-24 20:16:02,405 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 5 [2020-09-24 20:16:02,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 20:16:02,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 20:16:02,451 FATAL L256 erpolLogProxyWrapper]: Now shrinking... [2020-09-24 20:16:02,453 FATAL L256 erpolLogProxyWrapper]: Timeout: 5000 [2020-09-24 20:16:02,453 FATAL L256 erpolLogProxyWrapper]: Cardinality of Constraint set: 11 [2020-09-24 20:16:02,453 FATAL L256 erpolLogProxyWrapper]: Number of enumerated Muses: 1 [2020-09-24 20:16:02,453 FATAL L256 erpolLogProxyWrapper]: Time needed for enumeration: 2 [2020-09-24 20:16:02,454 FATAL L256 erpolLogProxyWrapper]: Heuristic: BIGGEST [2020-09-24 20:16:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has size: 1 [2020-09-24 20:16:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has depth: 8 [2020-09-24 20:16:02,454 FATAL L256 erpolLogProxyWrapper]: Chosen Mus has width: 1 [2020-09-24 20:16:02,455 FATAL L256 erpolLogProxyWrapper]: Time needed for Heuristics: 1 [2020-09-24 20:16:02,511 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-09-24 20:16:02,512 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1955646942] [2020-09-24 20:16:02,512 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 20:16:02,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-09-24 20:16:02,513 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1047446895] [2020-09-24 20:16:02,515 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-09-24 20:16:02,515 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 20:16:02,515 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-09-24 20:16:02,516 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-09-24 20:16:02,516 INFO L87 Difference]: Start difference. First operand 264 states and 282 transitions. Second operand 12 states. [2020-09-24 20:16:02,994 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-09-24 20:16:04,119 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-09-24 20:16:04,410 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:04,738 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:05,021 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 20:16:05,312 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:05,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 20:16:05,899 INFO L93 Difference]: Finished difference Result 409 states and 469 transitions. [2020-09-24 20:16:05,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-09-24 20:16:05,900 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 161 [2020-09-24 20:16:05,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 20:16:05,901 INFO L225 Difference]: With dead ends: 409 [2020-09-24 20:16:05,901 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 20:16:05,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 22 SyntacticMatches, 1 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 2.0s TimeCoverageRelationStatistics Valid=142, Invalid=410, Unknown=0, NotChecked=0, Total=552 [2020-09-24 20:16:05,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 20:16:05,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 20:16:05,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 20:16:05,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 20:16:05,904 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 161 [2020-09-24 20:16:05,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 20:16:05,904 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 20:16:05,905 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-09-24 20:16:05,905 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 20:16:05,905 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 20:16:05,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 20:16:05,908 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 20:16:06,117 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:06,295 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:06,459 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:06,630 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:06,793 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:06,963 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:07,124 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:07,290 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:07,450 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:07,612 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:07,776 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:07,934 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:08,092 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:08,259 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:08,414 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:08,572 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:08,729 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:08,882 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:09,035 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:09,355 WARN L193 SmtUtils]: Spent 319.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:09,510 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:09,836 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:09,981 WARN L193 SmtUtils]: Spent 139.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:10,309 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:16:10,462 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:10,778 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:10,931 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:11,246 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:11,569 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:16:11,722 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:11,880 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:12,206 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 192 DAG size of output: 190 [2020-09-24 20:16:12,359 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:12,516 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:12,674 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:12,826 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:12,978 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:13,131 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:13,283 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:13,440 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:13,597 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:13,750 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:13,910 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:14,067 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:14,224 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:14,377 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:14,535 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:14,689 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:14,847 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:15,005 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:15,162 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:15,319 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:15,482 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:15,639 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:15,792 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:15,949 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:16,101 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:16,263 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:16,420 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:16,572 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:16,729 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:16,856 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:16,982 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:17,117 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:17,282 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:17,527 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:17,841 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:17,994 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:18,309 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 191 DAG size of output: 189 [2020-09-24 20:16:18,475 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:18,628 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:18,805 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:18,957 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:19,109 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:19,262 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:19,414 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:19,571 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:19,723 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:19,876 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:20,035 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:20,191 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:20,343 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:20,495 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:20,648 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:20,805 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:20,930 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 16 [2020-09-24 20:16:21,086 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:21,250 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 20:16:21,406 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:21,558 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:21,710 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:21,862 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 20:16:22,330 WARN L193 SmtUtils]: Spent 413.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:16:22,535 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:22,739 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:16:23,148 WARN L193 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:16:23,377 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:23,591 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:23,999 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:16:24,409 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 20:16:24,791 WARN L193 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-09-24 20:16:25,056 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-09-24 20:16:25,376 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 16 [2020-09-24 20:16:25,569 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:16:25,994 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 16 [2020-09-24 20:16:26,395 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 14 [2020-09-24 20:16:26,814 WARN L193 SmtUtils]: Spent 402.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 13 [2020-09-24 20:16:26,985 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:16:27,204 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:27,398 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 1 [2020-09-24 20:16:27,614 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22 [2020-09-24 20:16:27,958 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 22