/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 false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-c90d42b [2020-09-24 14:40:41,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-09-24 14:40:41,164 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-09-24 14:40:41,210 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-09-24 14:40:41,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-09-24 14:40:41,211 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-09-24 14:40:41,212 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-09-24 14:40:41,214 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-09-24 14:40:41,216 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-09-24 14:40:41,217 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-09-24 14:40:41,218 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-09-24 14:40:41,219 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-09-24 14:40:41,220 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-09-24 14:40:41,221 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-09-24 14:40:41,225 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-09-24 14:40:41,226 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-09-24 14:40:41,227 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-09-24 14:40:41,228 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-09-24 14:40:41,230 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-09-24 14:40:41,232 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-09-24 14:40:41,234 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-09-24 14:40:41,235 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-09-24 14:40:41,236 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-09-24 14:40:41,237 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-09-24 14:40:41,240 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-09-24 14:40:41,240 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-09-24 14:40:41,240 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-09-24 14:40:41,241 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-09-24 14:40:41,242 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-09-24 14:40:41,243 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-09-24 14:40:41,243 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-09-24 14:40:41,244 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-09-24 14:40:41,245 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-09-24 14:40:41,246 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-09-24 14:40:41,247 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-09-24 14:40:41,247 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-09-24 14:40:41,248 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-09-24 14:40:41,248 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-09-24 14:40:41,248 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-09-24 14:40:41,249 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-09-24 14:40:41,250 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-09-24 14:40:41,251 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 14:40:41,276 INFO L113 SettingsManager]: Loading preferences was successful [2020-09-24 14:40:41,276 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-09-24 14:40:41,278 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-09-24 14:40:41,278 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-09-24 14:40:41,278 INFO L138 SettingsManager]: * Use SBE=true [2020-09-24 14:40:41,278 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-09-24 14:40:41,279 INFO L138 SettingsManager]: * sizeof long=4 [2020-09-24 14:40:41,279 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-09-24 14:40:41,279 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-09-24 14:40:41,279 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-09-24 14:40:41,279 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-09-24 14:40:41,280 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-09-24 14:40:41,280 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-09-24 14:40:41,280 INFO L138 SettingsManager]: * sizeof long double=12 [2020-09-24 14:40:41,280 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-09-24 14:40:41,281 INFO L138 SettingsManager]: * Use constant arrays=true [2020-09-24 14:40:41,281 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-09-24 14:40:41,281 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-09-24 14:40:41,281 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-09-24 14:40:41,281 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-09-24 14:40:41,282 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-09-24 14:40:41,282 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-09-24 14:40:41,282 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-09-24 14:40:41,282 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-09-24 14:40:41,283 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-09-24 14:40:41,283 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-09-24 14:40:41,283 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-09-24 14:40:41,283 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-09-24 14:40:41,283 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-09-24 14:40:41,284 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 -> false [2020-09-24 14:40:41,734 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-09-24 14:40:41,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-09-24 14:40:41,756 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-09-24 14:40:41,758 INFO L271 PluginConnector]: Initializing CDTParser... [2020-09-24 14:40:41,758 INFO L275 PluginConnector]: CDTParser initialized [2020-09-24 14:40:41,759 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-09-24 14:40:41,840 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c5eeed46/b4a23dc41e214e22b8ade3a1c7f3133f/FLAG8c6d53df7 [2020-09-24 14:40:42,447 INFO L306 CDTParser]: Found 1 translation units. [2020-09-24 14:40:42,448 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product24.cil.c [2020-09-24 14:40:42,475 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c5eeed46/b4a23dc41e214e22b8ade3a1c7f3133f/FLAG8c6d53df7 [2020-09-24 14:40:42,757 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6c5eeed46/b4a23dc41e214e22b8ade3a1c7f3133f [2020-09-24 14:40:42,769 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-09-24 14:40:42,777 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-09-24 14:40:42,778 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-09-24 14:40:42,779 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-09-24 14:40:42,783 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-09-24 14:40:42,784 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:40:42" (1/1) ... [2020-09-24 14:40:42,788 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73ff463a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:42, skipping insertion in model container [2020-09-24 14:40:42,789 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.09 02:40:42" (1/1) ... [2020-09-24 14:40:42,798 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-09-24 14:40:42,846 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-09-24 14:40:43,200 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:40:43,215 INFO L203 MainTranslator]: Completed pre-run [2020-09-24 14:40:43,417 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-09-24 14:40:43,458 INFO L208 MainTranslator]: Completed translation [2020-09-24 14:40:43,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:43 WrapperNode [2020-09-24 14:40:43,459 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-09-24 14:40:43,460 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-09-24 14:40:43,460 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-09-24 14:40:43,460 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-09-24 14:40:43,475 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:43" (1/1) ... [2020-09-24 14:40:43,475 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:43" (1/1) ... [2020-09-24 14:40:43,497 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:43" (1/1) ... [2020-09-24 14:40:43,497 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:43" (1/1) ... [2020-09-24 14:40:43,530 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:43" (1/1) ... [2020-09-24 14:40:43,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:43" (1/1) ... [2020-09-24 14:40:43,547 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:43" (1/1) ... [2020-09-24 14:40:43,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-09-24 14:40:43,556 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-09-24 14:40:43,556 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-09-24 14:40:43,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-09-24 14:40:43,558 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:43" (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 14:40:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-09-24 14:40:43,633 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-09-24 14:40:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-09-24 14:40:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-09-24 14:40:43,634 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-09-24 14:40:43,635 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 14:40:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-09-24 14:40:43,636 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-09-24 14:40:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-09-24 14:40:43,637 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-09-24 14:40:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-09-24 14:40:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-09-24 14:40:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-09-24 14:40:43,638 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-09-24 14:40:43,639 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-09-24 14:40:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-09-24 14:40:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-09-24 14:40:43,640 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-09-24 14:40:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-09-24 14:40:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-09-24 14:40:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-09-24 14:40:43,641 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-09-24 14:40:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-09-24 14:40:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-09-24 14:40:43,642 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-09-24 14:40:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-09-24 14:40:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-09-24 14:40:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-09-24 14:40:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-09-24 14:40:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-09-24 14:40:43,643 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-09-24 14:40:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-09-24 14:40:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-09-24 14:40:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-09-24 14:40:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-09-24 14:40:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-09-24 14:40:43,644 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-09-24 14:40:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-09-24 14:40:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-09-24 14:40:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-09-24 14:40:43,645 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-09-24 14:40:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-09-24 14:40:43,645 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-09-24 14:40:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-09-24 14:40:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-09-24 14:40:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-09-24 14:40:43,646 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-09-24 14:40:43,647 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-09-24 14:40:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-09-24 14:40:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-09-24 14:40:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-09-24 14:40:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-09-24 14:40:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-09-24 14:40:43,648 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-09-24 14:40:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-09-24 14:40:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-09-24 14:40:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-09-24 14:40:43,649 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-09-24 14:40:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-09-24 14:40:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-09-24 14:40:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-09-24 14:40:43,650 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-09-24 14:40:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-09-24 14:40:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-09-24 14:40:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-09-24 14:40:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-09-24 14:40:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-09-24 14:40:43,651 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-09-24 14:40:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-09-24 14:40:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-09-24 14:40:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-09-24 14:40:43,652 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-09-24 14:40:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-09-24 14:40:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-09-24 14:40:43,653 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-09-24 14:40:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-09-24 14:40:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-09-24 14:40:43,654 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-09-24 14:40:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-09-24 14:40:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-09-24 14:40:43,655 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-09-24 14:40:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-09-24 14:40:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-09-24 14:40:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-09-24 14:40:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-09-24 14:40:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-09-24 14:40:43,656 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-09-24 14:40:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-09-24 14:40:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-09-24 14:40:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-09-24 14:40:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-09-24 14:40:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-09-24 14:40:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-09-24 14:40:43,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-09-24 14:40:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-09-24 14:40:43,658 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-09-24 14:40:44,866 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-09-24 14:40:44,867 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-09-24 14:40:44,875 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:40:44 BoogieIcfgContainer [2020-09-24 14:40:44,875 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-09-24 14:40:44,876 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-09-24 14:40:44,876 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-09-24 14:40:44,880 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-09-24 14:40:44,881 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.09 02:40:42" (1/3) ... [2020-09-24 14:40:44,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fd5e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:40:44, skipping insertion in model container [2020-09-24 14:40:44,882 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.09 02:40:43" (2/3) ... [2020-09-24 14:40:44,882 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@47fd5e79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.09 02:40:44, skipping insertion in model container [2020-09-24 14:40:44,883 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.09 02:40:44" (3/3) ... [2020-09-24 14:40:44,885 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product24.cil.c [2020-09-24 14:40:44,897 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-09-24 14:40:44,910 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-09-24 14:40:44,933 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-09-24 14:40:44,968 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-09-24 14:40:44,969 INFO L376 AbstractCegarLoop]: Hoare is true [2020-09-24 14:40:44,969 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-09-24 14:40:44,969 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-09-24 14:40:44,969 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-09-24 14:40:44,970 INFO L380 AbstractCegarLoop]: Difference is false [2020-09-24 14:40:44,970 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-09-24 14:40:44,971 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-09-24 14:40:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states. [2020-09-24 14:40:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2020-09-24 14:40:45,046 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:40:45,048 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 14:40:45,049 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:40:45,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:40:45,058 INFO L82 PathProgramCache]: Analyzing trace with hash 1511101024, now seen corresponding path program 1 times [2020-09-24 14:40:45,070 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:40:45,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [260868376] [2020-09-24 14:40:45,071 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:40:45,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:45,965 WARN L193 SmtUtils]: Spent 333.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 14:40:45,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:40:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:46,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 14:40:46,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:46,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 14:40:46,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:46,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 14:40:46,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:46,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 14:40:46,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:46,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 14:40:46,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:46,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 14:40:46,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:46,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 135 [2020-09-24 14:40:46,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:46,147 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 14:40:46,148 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [260868376] [2020-09-24 14:40:46,150 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:40:46,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-09-24 14:40:46,151 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1006878725] [2020-09-24 14:40:46,158 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-09-24 14:40:46,158 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:40:46,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-09-24 14:40:46,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 14:40:46,179 INFO L87 Difference]: Start difference. First operand 314 states. Second operand 4 states. [2020-09-24 14:40:47,549 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:40:47,550 INFO L93 Difference]: Finished difference Result 493 states and 590 transitions. [2020-09-24 14:40:47,550 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-09-24 14:40:47,552 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 148 [2020-09-24 14:40:47,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:40:47,580 INFO L225 Difference]: With dead ends: 493 [2020-09-24 14:40:47,581 INFO L226 Difference]: Without dead ends: 315 [2020-09-24 14:40:47,590 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-09-24 14:40:47,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-09-24 14:40:47,723 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 263. [2020-09-24 14:40:47,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 263 states. [2020-09-24 14:40:47,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 288 transitions. [2020-09-24 14:40:47,729 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 288 transitions. Word has length 148 [2020-09-24 14:40:47,730 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:40:47,730 INFO L479 AbstractCegarLoop]: Abstraction has 263 states and 288 transitions. [2020-09-24 14:40:47,731 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-09-24 14:40:47,731 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 288 transitions. [2020-09-24 14:40:47,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-09-24 14:40:47,735 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:40:47,735 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] [2020-09-24 14:40:47,735 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-09-24 14:40:47,736 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:40:47,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:40:47,736 INFO L82 PathProgramCache]: Analyzing trace with hash -1531799497, now seen corresponding path program 1 times [2020-09-24 14:40:47,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:40:47,737 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2104078482] [2020-09-24 14:40:47,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:40:47,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:48,143 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 14:40:48,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:40:48,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:48,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 14:40:48,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:48,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 14:40:48,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:48,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 14:40:48,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:48,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 14:40:48,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:48,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 14:40:48,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:48,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-09-24 14:40:48,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:48,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-09-24 14:40:48,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:48,271 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 14:40:48,272 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2104078482] [2020-09-24 14:40:48,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:40:48,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-09-24 14:40:48,273 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1672114357] [2020-09-24 14:40:48,275 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-09-24 14:40:48,275 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:40:48,275 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-09-24 14:40:48,275 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-09-24 14:40:48,276 INFO L87 Difference]: Start difference. First operand 263 states and 288 transitions. Second operand 5 states. [2020-09-24 14:40:48,957 WARN L193 SmtUtils]: Spent 263.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:40:50,135 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:40:50,136 INFO L93 Difference]: Finished difference Result 412 states and 473 transitions. [2020-09-24 14:40:50,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-09-24 14:40:50,141 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-09-24 14:40:50,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:40:50,146 INFO L225 Difference]: With dead ends: 412 [2020-09-24 14:40:50,146 INFO L226 Difference]: Without dead ends: 304 [2020-09-24 14:40:50,148 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-09-24 14:40:50,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 304 states. [2020-09-24 14:40:50,185 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 304 to 253. [2020-09-24 14:40:50,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 253 states. [2020-09-24 14:40:50,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 253 states and 275 transitions. [2020-09-24 14:40:50,188 INFO L78 Accepts]: Start accepts. Automaton has 253 states and 275 transitions. Word has length 149 [2020-09-24 14:40:50,188 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:40:50,189 INFO L479 AbstractCegarLoop]: Abstraction has 253 states and 275 transitions. [2020-09-24 14:40:50,189 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-09-24 14:40:50,189 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 275 transitions. [2020-09-24 14:40:50,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2020-09-24 14:40:50,191 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:40:50,191 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:40:50,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-09-24 14:40:50,192 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:40:50,192 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:40:50,192 INFO L82 PathProgramCache]: Analyzing trace with hash 931015200, now seen corresponding path program 1 times [2020-09-24 14:40:50,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:40:50,193 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [425449687] [2020-09-24 14:40:50,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:40:50,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:50,579 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 14:40:50,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:40:50,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:50,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 14:40:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:50,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 14:40:50,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:50,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 14:40:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:50,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 14:40:50,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 14:40:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:50,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 129 [2020-09-24 14:40:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:50,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 139 [2020-09-24 14:40:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:50,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 14:40:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:50,795 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 14:40:50,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [425449687] [2020-09-24 14:40:50,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:40:50,797 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 14:40:50,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1566194226] [2020-09-24 14:40:50,798 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 14:40:50,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:40:50,799 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 14:40:50,799 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 14:40:50,799 INFO L87 Difference]: Start difference. First operand 253 states and 275 transitions. Second operand 11 states. [2020-09-24 14:40:51,397 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:40:51,764 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:40:52,095 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-09-24 14:40:52,455 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:40:52,765 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 14:40:53,068 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:40:54,116 WARN L193 SmtUtils]: Spent 259.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:40:56,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:40:56,452 INFO L93 Difference]: Finished difference Result 700 states and 831 transitions. [2020-09-24 14:40:56,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-09-24 14:40:56,452 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 162 [2020-09-24 14:40:56,454 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:40:56,465 INFO L225 Difference]: With dead ends: 700 [2020-09-24 14:40:56,465 INFO L226 Difference]: Without dead ends: 562 [2020-09-24 14:40:56,469 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 83 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=168, Invalid=384, Unknown=0, NotChecked=0, Total=552 [2020-09-24 14:40:56,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 562 states. [2020-09-24 14:40:56,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 562 to 455. [2020-09-24 14:40:56,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 455 states. [2020-09-24 14:40:56,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 455 states to 455 states and 514 transitions. [2020-09-24 14:40:56,553 INFO L78 Accepts]: Start accepts. Automaton has 455 states and 514 transitions. Word has length 162 [2020-09-24 14:40:56,554 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:40:56,554 INFO L479 AbstractCegarLoop]: Abstraction has 455 states and 514 transitions. [2020-09-24 14:40:56,554 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 14:40:56,554 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 514 transitions. [2020-09-24 14:40:56,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2020-09-24 14:40:56,557 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:40:56,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:40:56,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-09-24 14:40:56,558 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:40:56,558 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:40:56,559 INFO L82 PathProgramCache]: Analyzing trace with hash 1769264987, now seen corresponding path program 1 times [2020-09-24 14:40:56,559 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:40:56,559 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [922769144] [2020-09-24 14:40:56,559 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:40:56,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:56,979 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 14:40:56,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:40:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:57,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 14:40:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:57,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 14:40:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:57,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 14:40:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:57,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 14:40:57,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:57,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 14:40:57,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:57,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-09-24 14:40:57,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:57,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 144 [2020-09-24 14:40:57,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:57,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 154 [2020-09-24 14:40:57,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:40:57,189 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 14:40:57,189 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [922769144] [2020-09-24 14:40:57,190 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:40:57,190 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-09-24 14:40:57,191 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88984385] [2020-09-24 14:40:57,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-09-24 14:40:57,192 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:40:57,192 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-09-24 14:40:57,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-09-24 14:40:57,193 INFO L87 Difference]: Start difference. First operand 455 states and 514 transitions. Second operand 10 states. [2020-09-24 14:40:57,714 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:40:59,088 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:40:59,448 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 14:40:59,889 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:00,211 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:00,544 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:00,963 WARN L193 SmtUtils]: Spent 300.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 14:41:01,298 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:01,857 WARN L193 SmtUtils]: Spent 269.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:03,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:41:03,259 INFO L93 Difference]: Finished difference Result 1263 states and 1551 transitions. [2020-09-24 14:41:03,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-09-24 14:41:03,261 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 167 [2020-09-24 14:41:03,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:41:03,268 INFO L225 Difference]: With dead ends: 1263 [2020-09-24 14:41:03,268 INFO L226 Difference]: Without dead ends: 923 [2020-09-24 14:41:03,270 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=159, Invalid=441, Unknown=0, NotChecked=0, Total=600 [2020-09-24 14:41:03,272 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 923 states. [2020-09-24 14:41:03,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 923 to 747. [2020-09-24 14:41:03,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 747 states. [2020-09-24 14:41:03,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 857 transitions. [2020-09-24 14:41:03,390 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 857 transitions. Word has length 167 [2020-09-24 14:41:03,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:41:03,391 INFO L479 AbstractCegarLoop]: Abstraction has 747 states and 857 transitions. [2020-09-24 14:41:03,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-09-24 14:41:03,391 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 857 transitions. [2020-09-24 14:41:03,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2020-09-24 14:41:03,394 INFO L414 BasicCegarLoop]: Found error trace [2020-09-24 14:41:03,395 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-09-24 14:41:03,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-09-24 14:41:03,395 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-09-24 14:41:03,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-09-24 14:41:03,396 INFO L82 PathProgramCache]: Analyzing trace with hash -1033981590, now seen corresponding path program 1 times [2020-09-24 14:41:03,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-09-24 14:41:03,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1199379939] [2020-09-24 14:41:03,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-09-24 14:41:03,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:03,783 WARN L193 SmtUtils]: Spent 239.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 14:41:03,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-09-24 14:41:03,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:03,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2020-09-24 14:41:03,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:03,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 87 [2020-09-24 14:41:03,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:03,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2020-09-24 14:41:03,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:03,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 100 [2020-09-24 14:41:03,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:03,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 104 [2020-09-24 14:41:03,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:03,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 125 [2020-09-24 14:41:03,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:03,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 138 [2020-09-24 14:41:03,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:03,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 149 [2020-09-24 14:41:03,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:03,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2020-09-24 14:41:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-09-24 14:41:04,025 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 14:41:04,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1199379939] [2020-09-24 14:41:04,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-09-24 14:41:04,026 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-09-24 14:41:04,026 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014580068] [2020-09-24 14:41:04,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-09-24 14:41:04,029 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-09-24 14:41:04,029 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-09-24 14:41:04,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2020-09-24 14:41:04,030 INFO L87 Difference]: Start difference. First operand 747 states and 857 transitions. Second operand 11 states. [2020-09-24 14:41:04,583 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:05,887 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:06,116 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 14:41:06,432 WARN L193 SmtUtils]: Spent 275.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:06,757 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-09-24 14:41:07,083 WARN L193 SmtUtils]: Spent 286.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:07,467 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-09-24 14:41:07,467 INFO L93 Difference]: Finished difference Result 1360 states and 1678 transitions. [2020-09-24 14:41:07,468 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-09-24 14:41:07,468 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 172 [2020-09-24 14:41:07,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-09-24 14:41:07,470 INFO L225 Difference]: With dead ends: 1360 [2020-09-24 14:41:07,470 INFO L226 Difference]: Without dead ends: 0 [2020-09-24 14:41:07,476 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 95 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=190, Invalid=460, Unknown=0, NotChecked=0, Total=650 [2020-09-24 14:41:07,476 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-09-24 14:41:07,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-09-24 14:41:07,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-09-24 14:41:07,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-09-24 14:41:07,480 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 172 [2020-09-24 14:41:07,480 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-09-24 14:41:07,480 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-09-24 14:41:07,480 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-09-24 14:41:07,481 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-09-24 14:41:07,481 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-09-24 14:41:07,481 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-09-24 14:41:07,485 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-09-24 14:41:07,700 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:07,878 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:08,042 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:08,209 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:08,522 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-24 14:41:08,941 WARN L193 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-24 14:41:09,258 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-24 14:41:09,652 WARN L193 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-24 14:41:10,041 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 14:41:10,420 WARN L193 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 14:41:10,795 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 14:41:11,084 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-24 14:41:11,452 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-24 14:41:11,820 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-24 14:41:12,189 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-24 14:41:12,475 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 191 [2020-09-24 14:41:12,843 WARN L193 SmtUtils]: Spent 366.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-24 14:41:13,126 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 14:41:13,495 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 14:41:13,776 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 14:41:14,147 WARN L193 SmtUtils]: Spent 367.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 194 [2020-09-24 14:41:14,514 WARN L193 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 193 [2020-09-24 14:41:14,794 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 202 DAG size of output: 192 [2020-09-24 14:41:14,952 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:15,138 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:15,296 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:15,451 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:15,616 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:15,776 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:15,930 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:16,084 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:16,242 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:16,400 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:16,697 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 6 [2020-09-24 14:41:16,900 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 241 DAG size of output: 6 [2020-09-24 14:41:17,231 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-24 14:41:17,572 WARN L193 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-24 14:41:17,904 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-24 14:41:18,231 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-24 14:41:18,565 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-24 14:41:18,896 WARN L193 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 197 DAG size of output: 190 [2020-09-24 14:41:19,231 WARN L193 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-24 14:41:19,569 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-24 14:41:19,903 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 198 DAG size of output: 191 [2020-09-24 14:41:20,061 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:20,205 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 14:41:20,358 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:20,516 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:20,669 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:20,826 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:20,980 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:21,136 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:21,288 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:21,440 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:21,598 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:21,755 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:21,913 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:22,065 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:22,222 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:22,371 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:22,527 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:22,679 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:22,833 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:22,995 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:23,144 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:23,302 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:23,455 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:23,609 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:23,759 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:23,918 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:24,075 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:24,232 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:24,380 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:24,537 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:24,695 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:24,853 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:25,005 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:25,163 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:25,321 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:25,474 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:25,628 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:25,781 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:25,934 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:26,110 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:26,377 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 225 DAG size of output: 6 [2020-09-24 14:41:26,538 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:26,700 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:26,850 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:27,008 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:27,162 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:27,321 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:27,488 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:27,641 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:27,794 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:27,951 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:28,105 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:28,258 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:28,416 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:28,602 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:28,756 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:28,916 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:29,073 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:29,234 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:29,387 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:29,538 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:29,834 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 14:41:30,126 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 14:41:30,418 WARN L193 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 14:41:30,706 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 14:41:31,080 WARN L193 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 190 [2020-09-24 14:41:31,449 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-24 14:41:31,826 WARN L193 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 190 [2020-09-24 14:41:32,116 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 14:41:32,405 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 14:41:32,694 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 14:41:32,984 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 14:41:33,274 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 191 [2020-09-24 14:41:33,563 WARN L193 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 14:41:33,845 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 189 [2020-09-24 14:41:34,214 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 193 [2020-09-24 14:41:34,495 WARN L193 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 203 DAG size of output: 192 [2020-09-24 14:41:34,876 WARN L193 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 190 [2020-09-24 14:41:35,167 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 194 [2020-09-24 14:41:35,450 WARN L193 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 211 DAG size of output: 189 [2020-09-24 14:41:35,609 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:35,770 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:36,044 WARN L193 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 227 DAG size of output: 6 [2020-09-24 14:41:36,204 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:36,359 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 222 DAG size of output: 6 [2020-09-24 14:41:36,517 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:36,670 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:36,822 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:36,986 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:37,155 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:37,302 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:37,455 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:37,726 WARN L193 SmtUtils]: Spent 270.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 6 [2020-09-24 14:41:37,883 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:38,061 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:38,234 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:38,382 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:38,535 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:38,688 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:38,850 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:39,021 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:39,183 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 14:41:39,358 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-09-24 14:41:39,512 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:39,669 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:39,823 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:39,981 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:40,138 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:40,285 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:40,443 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:40,598 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:40,755 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:40,913 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:41,065 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:41,219 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:41,375 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:41,534 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:41,686 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:41,843 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:42,001 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:42,153 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:42,306 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:42,459 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:42,614 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-09-24 14:41:42,772 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:42,929 WARN L193 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-09-24 14:41:43,076 WARN L193 SmtUtils]: Spent 146.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-09-24 14:41:43,230 WARN L193 SmtUtils]: Spent 151.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-09-24 14:41:43,615 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 9 [2020-09-24 14:41:44,043 WARN L193 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 17 [2020-09-24 14:41:44,262 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-24 14:41:44,520 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 1 [2020-09-24 14:41:44,945 WARN L193 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 9 [2020-09-24 14:41:45,418 WARN L193 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 8 [2020-09-24 14:41:45,643 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-09-24 14:41:45,906 WARN L193 SmtUtils]: Spent 261.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-09-24 14:41:46,338 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 14 [2020-09-24 14:41:46,525 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 1 [2020-09-24 14:41:46,890 WARN L193 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8