/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 --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options interpolation-heuristic=FIRST --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_spec5_product42.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 14:50:04,528 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 14:50:04,532 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 14:50:04,572 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 14:50:04,572 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 14:50:04,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 14:50:04,582 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 14:50:04,585 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 14:50:04,587 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 14:50:04,588 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 14:50:04,589 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 14:50:04,591 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 14:50:04,591 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 14:50:04,594 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 14:50:04,596 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 14:50:04,597 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 14:50:04,599 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 14:50:04,601 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 14:50:04,602 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 14:50:04,607 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 14:50:04,610 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 14:50:04,611 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 14:50:04,612 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 14:50:04,613 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 14:50:04,624 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 14:50:04,624 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 14:50:04,624 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 14:50:04,628 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 14:50:04,628 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 14:50:04,629 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 14:50:04,629 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 14:50:04,632 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 14:50:04,632 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 14:50:04,633 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 14:50:04,634 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 14:50:04,634 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 14:50:04,634 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 14:50:04,635 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 14:50:04,635 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 14:50:04,636 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 14:50:04,636 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 14:50:04,637 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 [2020-08-21 14:50:04,677 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 14:50:04,678 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 14:50:04,679 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 14:50:04,680 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 14:50:04,680 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 14:50:04,680 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 14:50:04,680 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 14:50:04,681 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 14:50:04,681 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 14:50:04,681 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 14:50:04,682 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 14:50:04,682 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 14:50:04,682 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 14:50:04,683 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 14:50:04,683 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 14:50:04,684 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 14:50:04,684 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 14:50:04,684 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 14:50:04,684 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 14:50:04,684 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 14:50:04,685 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 14:50:04,685 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 14:50:04,685 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 14:50:04,685 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 14:50:04,685 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 14:50:04,686 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 14:50:04,686 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 14:50:04,686 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 14:50:04,686 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 14:50:04,686 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.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> interpolation-heuristic=FIRST;log-additional-information=true; [2020-08-21 14:50:04,958 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 14:50:04,970 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 14:50:04,973 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 14:50:04,975 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 14:50:04,975 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 14:50:04,976 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-08-21 14:50:05,049 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b91d315cd/6d662e819d0749d994be3bcecabaf5a4/FLAGf274f9980 [2020-08-21 14:50:05,556 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 14:50:05,556 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec5_product42.cil.c [2020-08-21 14:50:05,577 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b91d315cd/6d662e819d0749d994be3bcecabaf5a4/FLAGf274f9980 [2020-08-21 14:50:05,862 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/b91d315cd/6d662e819d0749d994be3bcecabaf5a4 [2020-08-21 14:50:05,872 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 14:50:05,874 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 14:50:05,875 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 14:50:05,875 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 14:50:05,878 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 14:50:05,879 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:50:05" (1/1) ... [2020-08-21 14:50:05,882 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@11a529ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:05, skipping insertion in model container [2020-08-21 14:50:05,882 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 02:50:05" (1/1) ... [2020-08-21 14:50:05,889 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 14:50:05,951 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 14:50:06,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:50:06,299 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 14:50:06,544 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 14:50:06,580 INFO L208 MainTranslator]: Completed translation [2020-08-21 14:50:06,581 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:06 WrapperNode [2020-08-21 14:50:06,581 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 14:50:06,582 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 14:50:06,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 14:50:06,582 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 14:50:06,597 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:06" (1/1) ... [2020-08-21 14:50:06,597 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:06" (1/1) ... [2020-08-21 14:50:06,618 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:06" (1/1) ... [2020-08-21 14:50:06,619 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:06" (1/1) ... [2020-08-21 14:50:06,657 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:06" (1/1) ... [2020-08-21 14:50:06,672 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:06" (1/1) ... [2020-08-21 14:50:06,687 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:06" (1/1) ... [2020-08-21 14:50:06,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 14:50:06,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 14:50:06,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 14:50:06,696 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 14:50:06,698 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:06" (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 [2020-08-21 14:50:06,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 14:50:06,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 14:50:06,761 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 14:50:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-08-21 14:50:06,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-08-21 14:50:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-08-21 14:50:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 14:50:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 14:50:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 14:50:06,763 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 14:50:06,764 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 14:50:06,764 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 14:50:06,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 14:50:06,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 14:50:06,765 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 14:50:06,766 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 14:50:06,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 14:50:06,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 14:50:06,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 14:50:06,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 14:50:06,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 14:50:06,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 14:50:06,767 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 14:50:06,768 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 14:50:06,769 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 14:50:06,770 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 14:50:06,770 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 14:50:06,771 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 14:50:06,771 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-08-21 14:50:06,771 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 14:50:06,771 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 14:50:06,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 14:50:06,772 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 14:50:06,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-08-21 14:50:06,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 14:50:06,772 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 14:50:06,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 14:50:06,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 14:50:06,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 14:50:06,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-08-21 14:50:06,773 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-21 14:50:06,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 14:50:06,773 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 14:50:06,773 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 14:50:06,774 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 14:50:06,774 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 14:50:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 14:50:06,775 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-08-21 14:50:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-08-21 14:50:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-08-21 14:50:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 14:50:06,776 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 14:50:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 14:50:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 14:50:06,777 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 14:50:06,778 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 14:50:06,778 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 14:50:06,778 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 14:50:06,778 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 14:50:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 14:50:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 14:50:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 14:50:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 14:50:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 14:50:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 14:50:06,779 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 14:50:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 14:50:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 14:50:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 14:50:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 14:50:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 14:50:06,780 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 14:50:06,781 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 14:50:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 14:50:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 14:50:06,782 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 14:50:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 14:50:06,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 14:50:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 14:50:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 14:50:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 14:50:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 14:50:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 14:50:06,784 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 14:50:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-08-21 14:50:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-21 14:50:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 14:50:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 14:50:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 14:50:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 14:50:06,785 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-08-21 14:50:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-08-21 14:50:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 14:50:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 14:50:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 14:50:06,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 14:50:07,753 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 14:50:07,753 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 14:50:07,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:50:07 BoogieIcfgContainer [2020-08-21 14:50:07,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 14:50:07,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 14:50:07,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 14:50:07,763 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 14:50:07,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 02:50:05" (1/3) ... [2020-08-21 14:50:07,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3f4e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:50:07, skipping insertion in model container [2020-08-21 14:50:07,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 02:50:06" (2/3) ... [2020-08-21 14:50:07,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c3f4e59 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 02:50:07, skipping insertion in model container [2020-08-21 14:50:07,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 02:50:07" (3/3) ... [2020-08-21 14:50:07,766 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product42.cil.c [2020-08-21 14:50:07,776 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 14:50:07,784 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 14:50:07,798 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 14:50:07,821 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 14:50:07,821 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 14:50:07,822 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 14:50:07,822 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 14:50:07,822 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 14:50:07,822 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 14:50:07,823 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 14:50:07,823 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 14:50:07,843 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-08-21 14:50:07,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-21 14:50:07,853 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:50:07,854 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:50:07,855 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:50:07,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:50:07,861 INFO L82 PathProgramCache]: Analyzing trace with hash -318385319, now seen corresponding path program 1 times [2020-08-21 14:50:07,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:50:07,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1163374212] [2020-08-21 14:50:07,871 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:50:08,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,536 WARN L193 SmtUtils]: Spent 285.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:08,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:08,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:50:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:50:08,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:50:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:50:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 14:50:08,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:08,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-21 14:50:08,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 14:50:08,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:08,670 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 14:50:08,671 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1163374212] [2020-08-21 14:50:08,673 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:50:08,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 14:50:08,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962821690] [2020-08-21 14:50:08,681 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 14:50:08,682 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:50:08,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 14:50:08,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 14:50:08,700 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 4 states. [2020-08-21 14:50:09,725 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:50:09,726 INFO L93 Difference]: Finished difference Result 297 states and 378 transitions. [2020-08-21 14:50:09,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 14:50:09,728 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2020-08-21 14:50:09,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:50:09,743 INFO L225 Difference]: With dead ends: 297 [2020-08-21 14:50:09,743 INFO L226 Difference]: Without dead ends: 164 [2020-08-21 14:50:09,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 14:50:09,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-08-21 14:50:09,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 134. [2020-08-21 14:50:09,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-08-21 14:50:09,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 155 transitions. [2020-08-21 14:50:09,844 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 155 transitions. Word has length 59 [2020-08-21 14:50:09,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:50:09,844 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 155 transitions. [2020-08-21 14:50:09,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 14:50:09,845 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 155 transitions. [2020-08-21 14:50:09,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-21 14:50:09,851 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:50:09,851 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:50:09,851 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 14:50:09,852 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:50:09,852 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:50:09,853 INFO L82 PathProgramCache]: Analyzing trace with hash -1634844471, now seen corresponding path program 1 times [2020-08-21 14:50:09,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:50:09,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2003489188] [2020-08-21 14:50:09,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:50:09,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,300 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:10,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:10,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:50:10,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:50:10,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:10,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:50:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:50:10,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-21 14:50:10,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:10,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 45 [2020-08-21 14:50:10,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 14:50:10,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:10,359 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 14:50:10,359 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2003489188] [2020-08-21 14:50:10,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:50:10,360 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 14:50:10,360 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [12881693] [2020-08-21 14:50:10,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 14:50:10,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:50:10,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 14:50:10,363 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 14:50:10,363 INFO L87 Difference]: Start difference. First operand 134 states and 155 transitions. Second operand 5 states. [2020-08-21 14:50:10,841 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:11,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:50:11,732 INFO L93 Difference]: Finished difference Result 238 states and 286 transitions. [2020-08-21 14:50:11,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 14:50:11,733 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 60 [2020-08-21 14:50:11,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:50:11,737 INFO L225 Difference]: With dead ends: 238 [2020-08-21 14:50:11,737 INFO L226 Difference]: Without dead ends: 154 [2020-08-21 14:50:11,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:50:11,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-21 14:50:11,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 125. [2020-08-21 14:50:11,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-21 14:50:11,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 143 transitions. [2020-08-21 14:50:11,798 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 143 transitions. Word has length 60 [2020-08-21 14:50:11,799 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:50:11,799 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 143 transitions. [2020-08-21 14:50:11,799 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 14:50:11,799 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 143 transitions. [2020-08-21 14:50:11,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-08-21 14:50:11,810 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:50:11,810 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:50:11,811 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 14:50:11,811 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:50:11,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:50:11,811 INFO L82 PathProgramCache]: Analyzing trace with hash -1075077358, now seen corresponding path program 1 times [2020-08-21 14:50:11,811 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:50:11,812 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845480770] [2020-08-21 14:50:11,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:50:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,239 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:12,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:50:12,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:50:12,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:12,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:50:12,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:50:12,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 14:50:12,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:12,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-21 14:50:12,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-21 14:50:12,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:12,400 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 14:50:12,401 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845480770] [2020-08-21 14:50:12,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:50:12,401 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 14:50:12,402 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1703302199] [2020-08-21 14:50:12,403 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:50:12,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:50:12,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:50:12,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:50:12,405 INFO L87 Difference]: Start difference. First operand 125 states and 143 transitions. Second operand 9 states. [2020-08-21 14:50:12,826 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:13,141 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:13,393 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:13,655 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:14,835 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:50:14,836 INFO L93 Difference]: Finished difference Result 251 states and 305 transitions. [2020-08-21 14:50:14,836 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 14:50:14,836 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 65 [2020-08-21 14:50:14,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:50:14,840 INFO L225 Difference]: With dead ends: 251 [2020-08-21 14:50:14,840 INFO L226 Difference]: Without dead ends: 154 [2020-08-21 14:50:14,841 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 21 SyntacticMatches, 1 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-08-21 14:50:14,842 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-21 14:50:14,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 125. [2020-08-21 14:50:14,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-08-21 14:50:14,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 142 transitions. [2020-08-21 14:50:14,875 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 142 transitions. Word has length 65 [2020-08-21 14:50:14,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:50:14,876 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 142 transitions. [2020-08-21 14:50:14,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:50:14,876 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 142 transitions. [2020-08-21 14:50:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2020-08-21 14:50:14,878 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:50:14,878 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:50:14,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 14:50:14,878 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:50:14,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:50:14,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1759456211, now seen corresponding path program 1 times [2020-08-21 14:50:14,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:50:14,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136908537] [2020-08-21 14:50:14,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:50:14,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,150 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:15,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:15,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:50:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:50:15,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:15,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:50:15,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:50:15,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 14:50:15,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 14:50:15,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:50:15,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2020-08-21 14:50:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 14:50:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:15,280 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 14:50:15,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136908537] [2020-08-21 14:50:15,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:50:15,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:50:15,282 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604041297] [2020-08-21 14:50:15,283 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:50:15,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:50:15,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:50:15,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:50:15,284 INFO L87 Difference]: Start difference. First operand 125 states and 142 transitions. Second operand 7 states. [2020-08-21 14:50:15,649 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:17,162 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:17,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:50:17,497 INFO L93 Difference]: Finished difference Result 346 states and 428 transitions. [2020-08-21 14:50:17,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 14:50:17,498 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 73 [2020-08-21 14:50:17,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:50:17,502 INFO L225 Difference]: With dead ends: 346 [2020-08-21 14:50:17,503 INFO L226 Difference]: Without dead ends: 249 [2020-08-21 14:50:17,504 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=58, Invalid=124, Unknown=0, NotChecked=0, Total=182 [2020-08-21 14:50:17,506 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-08-21 14:50:17,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 203. [2020-08-21 14:50:17,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 203 states. [2020-08-21 14:50:17,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 233 transitions. [2020-08-21 14:50:17,551 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 233 transitions. Word has length 73 [2020-08-21 14:50:17,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:50:17,552 INFO L479 AbstractCegarLoop]: Abstraction has 203 states and 233 transitions. [2020-08-21 14:50:17,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:50:17,552 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 233 transitions. [2020-08-21 14:50:17,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2020-08-21 14:50:17,553 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:50:17,554 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:50:17,554 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 14:50:17,554 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:50:17,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:50:17,554 INFO L82 PathProgramCache]: Analyzing trace with hash -1988493165, now seen corresponding path program 1 times [2020-08-21 14:50:17,555 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:50:17,555 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399711060] [2020-08-21 14:50:17,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:50:17,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,871 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:17,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:50:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:50:17,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:17,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:50:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:50:17,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 14:50:17,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 14:50:17,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:50:17,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:17,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 14:50:17,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 72 [2020-08-21 14:50:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 78 [2020-08-21 14:50:17,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:17,979 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 14:50:17,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399711060] [2020-08-21 14:50:17,979 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:50:17,980 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 14:50:17,980 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1331964431] [2020-08-21 14:50:17,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:50:17,981 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:50:17,981 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:50:17,981 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:50:17,981 INFO L87 Difference]: Start difference. First operand 203 states and 233 transitions. Second operand 9 states. [2020-08-21 14:50:18,346 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:19,032 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:19,832 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:20,087 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:20,519 WARN L193 SmtUtils]: Spent 234.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:20,750 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:21,053 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:50:21,054 INFO L93 Difference]: Finished difference Result 423 states and 515 transitions. [2020-08-21 14:50:21,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 14:50:21,055 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 87 [2020-08-21 14:50:21,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:50:21,058 INFO L225 Difference]: With dead ends: 423 [2020-08-21 14:50:21,059 INFO L226 Difference]: Without dead ends: 248 [2020-08-21 14:50:21,060 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=91, Invalid=215, Unknown=0, NotChecked=0, Total=306 [2020-08-21 14:50:21,061 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 248 states. [2020-08-21 14:50:21,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 248 to 202. [2020-08-21 14:50:21,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 202 states. [2020-08-21 14:50:21,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 202 states and 230 transitions. [2020-08-21 14:50:21,106 INFO L78 Accepts]: Start accepts. Automaton has 202 states and 230 transitions. Word has length 87 [2020-08-21 14:50:21,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:50:21,107 INFO L479 AbstractCegarLoop]: Abstraction has 202 states and 230 transitions. [2020-08-21 14:50:21,107 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:50:21,107 INFO L276 IsEmpty]: Start isEmpty. Operand 202 states and 230 transitions. [2020-08-21 14:50:21,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-08-21 14:50:21,109 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:50:21,109 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:50:21,109 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 14:50:21,109 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:50:21,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:50:21,110 INFO L82 PathProgramCache]: Analyzing trace with hash 1941251357, now seen corresponding path program 1 times [2020-08-21 14:50:21,110 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:50:21,110 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2118274908] [2020-08-21 14:50:21,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:50:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,355 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:21,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:21,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:50:21,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:50:21,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:21,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:50:21,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:50:21,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 14:50:21,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 14:50:21,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:50:21,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:21,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 14:50:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:21,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:21,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-08-21 14:50:21,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-21 14:50:21,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:21,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 14:50:21,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2118274908] [2020-08-21 14:50:21,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:50:21,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 14:50:21,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627282805] [2020-08-21 14:50:21,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 14:50:21,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:50:21,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 14:50:21,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 14:50:21,524 INFO L87 Difference]: Start difference. First operand 202 states and 230 transitions. Second operand 9 states. [2020-08-21 14:50:22,592 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:22,817 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 14:50:23,050 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:23,300 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:23,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:50:23,998 INFO L93 Difference]: Finished difference Result 423 states and 519 transitions. [2020-08-21 14:50:23,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 14:50:23,999 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 103 [2020-08-21 14:50:23,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:50:24,001 INFO L225 Difference]: With dead ends: 423 [2020-08-21 14:50:24,001 INFO L226 Difference]: Without dead ends: 249 [2020-08-21 14:50:24,002 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-08-21 14:50:24,003 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2020-08-21 14:50:24,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 207. [2020-08-21 14:50:24,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-08-21 14:50:24,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 235 transitions. [2020-08-21 14:50:24,046 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 235 transitions. Word has length 103 [2020-08-21 14:50:24,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:50:24,047 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 235 transitions. [2020-08-21 14:50:24,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 14:50:24,047 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 235 transitions. [2020-08-21 14:50:24,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-08-21 14:50:24,049 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:50:24,049 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:50:24,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 14:50:24,049 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:50:24,049 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:50:24,050 INFO L82 PathProgramCache]: Analyzing trace with hash -108136485, now seen corresponding path program 1 times [2020-08-21 14:50:24,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:50:24,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1583713052] [2020-08-21 14:50:24,050 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:50:24,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,318 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:24,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:24,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:50:24,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:50:24,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:50:24,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:50:24,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 14:50:24,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:24,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 14:50:24,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:50:24,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 14:50:24,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:24,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:24,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-08-21 14:50:24,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-21 14:50:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:24,501 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 14:50:24,501 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1583713052] [2020-08-21 14:50:24,502 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:50:24,502 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-08-21 14:50:24,502 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746274195] [2020-08-21 14:50:24,503 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 14:50:24,503 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:50:24,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 14:50:24,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-08-21 14:50:24,504 INFO L87 Difference]: Start difference. First operand 207 states and 235 transitions. Second operand 11 states. [2020-08-21 14:50:25,086 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:25,318 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:25,541 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:26,220 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:26,476 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:26,706 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:27,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:50:27,368 INFO L93 Difference]: Finished difference Result 433 states and 530 transitions. [2020-08-21 14:50:27,369 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 14:50:27,369 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 103 [2020-08-21 14:50:27,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:50:27,371 INFO L225 Difference]: With dead ends: 433 [2020-08-21 14:50:27,371 INFO L226 Difference]: Without dead ends: 254 [2020-08-21 14:50:27,373 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-08-21 14:50:27,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 254 states. [2020-08-21 14:50:27,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 254 to 211. [2020-08-21 14:50:27,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2020-08-21 14:50:27,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 239 transitions. [2020-08-21 14:50:27,409 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 239 transitions. Word has length 103 [2020-08-21 14:50:27,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:50:27,410 INFO L479 AbstractCegarLoop]: Abstraction has 211 states and 239 transitions. [2020-08-21 14:50:27,410 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 14:50:27,410 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 239 transitions. [2020-08-21 14:50:27,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2020-08-21 14:50:27,412 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:50:27,412 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:50:27,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 14:50:27,412 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:50:27,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:50:27,413 INFO L82 PathProgramCache]: Analyzing trace with hash 861444538, now seen corresponding path program 1 times [2020-08-21 14:50:27,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:50:27,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718787350] [2020-08-21 14:50:27,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:50:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,687 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:27,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:27,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:50:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:50:27,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:27,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:50:27,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:50:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-21 14:50:27,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 14:50:27,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:50:27,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:27,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 14:50:27,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:27,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:27,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:27,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 88 [2020-08-21 14:50:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-21 14:50:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 14:50:27,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718787350] [2020-08-21 14:50:27,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:50:27,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-08-21 14:50:27,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [980352377] [2020-08-21 14:50:27,804 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 14:50:27,804 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:50:27,804 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 14:50:27,804 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-08-21 14:50:27,804 INFO L87 Difference]: Start difference. First operand 211 states and 239 transitions. Second operand 7 states. [2020-08-21 14:50:28,250 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:28,762 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:30,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:50:30,334 INFO L93 Difference]: Finished difference Result 605 states and 753 transitions. [2020-08-21 14:50:30,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 14:50:30,335 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 103 [2020-08-21 14:50:30,335 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:50:30,339 INFO L225 Difference]: With dead ends: 605 [2020-08-21 14:50:30,339 INFO L226 Difference]: Without dead ends: 422 [2020-08-21 14:50:30,340 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 41 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=64, Invalid=146, Unknown=0, NotChecked=0, Total=210 [2020-08-21 14:50:30,341 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 422 states. [2020-08-21 14:50:30,412 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 422 to 380. [2020-08-21 14:50:30,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 380 states. [2020-08-21 14:50:30,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 442 transitions. [2020-08-21 14:50:30,415 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 442 transitions. Word has length 103 [2020-08-21 14:50:30,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:50:30,415 INFO L479 AbstractCegarLoop]: Abstraction has 380 states and 442 transitions. [2020-08-21 14:50:30,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 14:50:30,415 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 442 transitions. [2020-08-21 14:50:30,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2020-08-21 14:50:30,417 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:50:30,417 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:50:30,418 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 14:50:30,418 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:50:30,418 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:50:30,418 INFO L82 PathProgramCache]: Analyzing trace with hash 2005328992, now seen corresponding path program 1 times [2020-08-21 14:50:30,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:50:30,419 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [882861290] [2020-08-21 14:50:30,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:50:30,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,740 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:30,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:50:30,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:50:30,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:50:30,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:50:30,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 14:50:30,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 14:50:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:30,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-21 14:50:30,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:50:30,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:30,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 14:50:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:30,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 14:50:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 98 [2020-08-21 14:50:30,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-08-21 14:50:30,961 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [882861290] [2020-08-21 14:50:30,961 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 14:50:30,962 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-08-21 14:50:30,962 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971000075] [2020-08-21 14:50:30,962 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 14:50:30,962 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:50:30,963 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 14:50:30,963 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-21 14:50:30,963 INFO L87 Difference]: Start difference. First operand 380 states and 442 transitions. Second operand 12 states. [2020-08-21 14:50:31,371 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:32,006 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:32,913 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:33,213 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:33,451 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 14:50:33,711 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:33,981 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:34,902 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:35,154 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 14:50:35,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:50:35,885 INFO L93 Difference]: Finished difference Result 1052 states and 1296 transitions. [2020-08-21 14:50:35,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-21 14:50:35,886 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 107 [2020-08-21 14:50:35,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:50:35,891 INFO L225 Difference]: With dead ends: 1052 [2020-08-21 14:50:35,892 INFO L226 Difference]: Without dead ends: 769 [2020-08-21 14:50:35,894 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 325 ImplicationChecksByTransitivity, 2.5s TimeCoverageRelationStatistics Valid=296, Invalid=964, Unknown=0, NotChecked=0, Total=1260 [2020-08-21 14:50:35,896 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 769 states. [2020-08-21 14:50:36,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 769 to 650. [2020-08-21 14:50:36,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 650 states. [2020-08-21 14:50:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 650 states and 748 transitions. [2020-08-21 14:50:36,083 INFO L78 Accepts]: Start accepts. Automaton has 650 states and 748 transitions. Word has length 107 [2020-08-21 14:50:36,086 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:50:36,087 INFO L479 AbstractCegarLoop]: Abstraction has 650 states and 748 transitions. [2020-08-21 14:50:36,087 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 14:50:36,087 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 748 transitions. [2020-08-21 14:50:36,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2020-08-21 14:50:36,094 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 14:50:36,094 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 14:50:36,095 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 14:50:36,095 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 14:50:36,095 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 14:50:36,096 INFO L82 PathProgramCache]: Analyzing trace with hash 2092455891, now seen corresponding path program 1 times [2020-08-21 14:50:36,096 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 14:50:36,096 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [739188346] [2020-08-21 14:50:36,097 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 14:50:36,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,500 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:36,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:36,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 14:50:36,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 14:50:36,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:36,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 14:50:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 14:50:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-21 14:50:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 14:50:36,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:36,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:36,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 14:50:36,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:50:36,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:36,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-21 14:50:36,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:36,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:36,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 14:50:36,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-21 14:50:36,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2020-08-21 14:50:36,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 112 [2020-08-21 14:50:36,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 14:50:36,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2020-08-21 14:50:36,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 126 [2020-08-21 14:50:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-21 14:50:36,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2020-08-21 14:50:36,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 142 [2020-08-21 14:50:36,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 14:50:36,765 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 6 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 14:50:36,766 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [739188346] [2020-08-21 14:50:36,766 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 14:50:36,766 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 14:50:36,767 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940853185] [2020-08-21 14:50:36,767 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 14:50:36,767 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 14:50:36,768 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 14:50:36,768 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2020-08-21 14:50:36,768 INFO L87 Difference]: Start difference. First operand 650 states and 748 transitions. Second operand 16 states. [2020-08-21 14:50:37,360 WARN L193 SmtUtils]: Spent 316.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 14:50:37,839 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 14:50:38,262 WARN L193 SmtUtils]: Spent 357.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 14:50:38,607 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification that was a NOOP. DAG size: 195 [2020-08-21 14:50:39,262 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:39,521 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:40,236 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 14:50:40,843 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 14:50:41,310 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 14:50:41,685 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:41,947 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 14:50:42,231 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 192 [2020-08-21 14:50:42,701 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 14:50:43,193 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-08-21 14:50:43,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 14:50:43,415 INFO L93 Difference]: Finished difference Result 1024 states and 1200 transitions. [2020-08-21 14:50:43,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 34 states. [2020-08-21 14:50:43,415 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 151 [2020-08-21 14:50:43,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 14:50:43,416 INFO L225 Difference]: With dead ends: 1024 [2020-08-21 14:50:43,417 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 14:50:43,420 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374 ImplicationChecksByTransitivity, 4.4s TimeCoverageRelationStatistics Valid=424, Invalid=1468, Unknown=0, NotChecked=0, Total=1892 [2020-08-21 14:50:43,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 14:50:43,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 14:50:43,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 14:50:43,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 14:50:43,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 151 [2020-08-21 14:50:43,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 14:50:43,422 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 14:50:43,422 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 14:50:43,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 14:50:43,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 14:50:43,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 14:50:43,425 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 14:50:43,994 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 238 DAG size of output: 217 [2020-08-21 14:50:44,374 WARN L193 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 239 DAG size of output: 222 [2020-08-21 14:50:44,965 WARN L193 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 233 [2020-08-21 14:50:45,373 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 253 DAG size of output: 231 [2020-08-21 14:50:46,544 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 256 DAG size of output: 233 [2020-08-21 14:50:47,050 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 14:50:47,343 WARN L193 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 41 [2020-08-21 14:50:47,962 WARN L193 SmtUtils]: Spent 615.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 25 [2020-08-21 14:50:48,373 WARN L193 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 31 [2020-08-21 14:50:48,535 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 14:50:48,696 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 14:50:49,171 WARN L193 SmtUtils]: Spent 470.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 31 [2020-08-21 14:50:49,301 WARN L193 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-08-21 14:50:49,490 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-21 14:50:49,665 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-21 14:50:49,799 WARN L193 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 14:50:50,530 WARN L193 SmtUtils]: Spent 726.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 32 [2020-08-21 14:50:51,317 WARN L193 SmtUtils]: Spent 782.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 28 [2020-08-21 14:50:51,515 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 14:50:52,092 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 32 [2020-08-21 14:50:52,298 WARN L193 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 14:50:53,141 WARN L193 SmtUtils]: Spent 838.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 36 [2020-08-21 14:50:53,530 WARN L193 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 24 [2020-08-21 14:50:53,693 WARN L193 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 1 [2020-08-21 14:50:54,482 WARN L193 SmtUtils]: Spent 784.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-08-21 14:50:54,653 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 14:50:54,882 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 34 [2020-08-21 14:50:55,046 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 14:50:55,857 WARN L193 SmtUtils]: Spent 807.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 27 [2020-08-21 14:50:56,678 WARN L193 SmtUtils]: Spent 813.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 27 [2020-08-21 14:50:56,918 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 37 [2020-08-21 14:50:57,093 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-21 14:50:57,256 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 15 [2020-08-21 14:50:57,536 WARN L193 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 14 [2020-08-21 14:50:58,277 WARN L193 SmtUtils]: Spent 738.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 32 [2020-08-21 14:50:58,440 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 14:50:58,610 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-21 14:50:58,747 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 1 [2020-08-21 14:50:58,923 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 15 [2020-08-21 14:50:59,100 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 17 [2020-08-21 14:50:59,276 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 14:50:59,449 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 25 [2020-08-21 14:50:59,946 WARN L193 SmtUtils]: Spent 493.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 25 [2020-08-21 14:51:00,125 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 27 [2020-08-21 14:51:00,299 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 27 [2020-08-21 14:51:00,516 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 25 [2020-08-21 14:51:01,117 WARN L193 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 28 [2020-08-21 14:51:01,122 INFO L268 CegarLoopResult]: For program point L319(line 319) no Hoare annotation was computed. [2020-08-21 14:51:01,123 INFO L268 CegarLoopResult]: For program point L318-2(lines 318 339) no Hoare annotation was computed. [2020-08-21 14:51:01,123 INFO L268 CegarLoopResult]: For program point L340(lines 317 341) no Hoare annotation was computed. [2020-08-21 14:51:01,123 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 293 348) no Hoare annotation was computed. [2020-08-21 14:51:01,123 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 293 348) no Hoare annotation was computed. [2020-08-21 14:51:01,124 INFO L268 CegarLoopResult]: For program point L324(lines 324 328) no Hoare annotation was computed. [2020-08-21 14:51:01,124 INFO L268 CegarLoopResult]: For program point L324-1(lines 324 328) no Hoare annotation was computed. [2020-08-21 14:51:01,124 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 293 348) no Hoare annotation was computed. [2020-08-21 14:51:01,124 INFO L268 CegarLoopResult]: For program point L381(lines 381 385) no Hoare annotation was computed. [2020-08-21 14:51:01,124 INFO L268 CegarLoopResult]: For program point L381-1(lines 381 385) no Hoare annotation was computed. [2020-08-21 14:51:01,125 INFO L268 CegarLoopResult]: For program point L376(line 376) no Hoare annotation was computed. [2020-08-21 14:51:01,125 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 349 408) no Hoare annotation was computed. [2020-08-21 14:51:01,125 INFO L268 CegarLoopResult]: For program point L375-2(lines 375 400) no Hoare annotation was computed. [2020-08-21 14:51:01,125 INFO L268 CegarLoopResult]: For program point L401(lines 374 402) no Hoare annotation was computed. [2020-08-21 14:51:01,125 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 349 408) no Hoare annotation was computed. [2020-08-21 14:51:01,125 INFO L268 CegarLoopResult]: For program point L394(line 394) no Hoare annotation was computed. [2020-08-21 14:51:01,125 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 349 408) no Hoare annotation was computed. [2020-08-21 14:51:01,126 INFO L268 CegarLoopResult]: For program point L394-1(line 394) no Hoare annotation was computed. [2020-08-21 14:51:01,126 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 224 230) the Hoare annotation is: true [2020-08-21 14:51:01,126 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 224 230) no Hoare annotation was computed. [2020-08-21 14:51:01,126 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 231 239) no Hoare annotation was computed. [2020-08-21 14:51:01,126 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 231 239) the Hoare annotation is: true [2020-08-21 14:51:01,126 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 231 239) no Hoare annotation was computed. [2020-08-21 14:51:01,127 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 44 51) the Hoare annotation is: (or (not (= ~waterLevel~0 1)) (not (= ~pumpRunning~0 0)) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (not (= 1 ~systemActive~0))) [2020-08-21 14:51:01,127 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 44 51) no Hoare annotation was computed. [2020-08-21 14:51:01,127 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 44 51) no Hoare annotation was computed. [2020-08-21 14:51:01,127 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 52 61) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= ~pumpRunning~0 0))) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|)) (.cse2 (not (= 1 ~systemActive~0))) (.cse3 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= |old(~switchedOnBeforeTS~0)| 0) .cse1 .cse2) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse2) (or .cse4 .cse1 .cse2 .cse3))) [2020-08-21 14:51:01,127 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 52 61) no Hoare annotation was computed. [2020-08-21 14:51:01,128 INFO L268 CegarLoopResult]: For program point L57(line 57) no Hoare annotation was computed. [2020-08-21 14:51:01,128 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 52 61) no Hoare annotation was computed. [2020-08-21 14:51:01,128 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 62 90) the Hoare annotation is: true [2020-08-21 14:51:01,128 INFO L264 CegarLoopResult]: At program point L77(line 77) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~pumpRunning~0))) (.cse3 (not (= ~pumpRunning~0 0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse2 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)) (or (not (= ~waterLevel~0 1)) .cse3 .cse1) (or .cse3 .cse1 .cse2))) [2020-08-21 14:51:01,128 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 62 90) no Hoare annotation was computed. [2020-08-21 14:51:01,128 INFO L268 CegarLoopResult]: For program point L75(lines 75 81) no Hoare annotation was computed. [2020-08-21 14:51:01,128 INFO L268 CegarLoopResult]: For program point L74(lines 74 84) no Hoare annotation was computed. [2020-08-21 14:51:01,129 INFO L264 CegarLoopResult]: At program point L72(line 72) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 .cse1) (or (not (= ~pumpRunning~0 0)) .cse0 .cse1))) [2020-08-21 14:51:01,129 INFO L268 CegarLoopResult]: For program point L72-1(line 72) no Hoare annotation was computed. [2020-08-21 14:51:01,129 INFO L268 CegarLoopResult]: For program point L70(lines 70 87) no Hoare annotation was computed. [2020-08-21 14:51:01,129 INFO L268 CegarLoopResult]: For program point L70-1(lines 62 90) no Hoare annotation was computed. [2020-08-21 14:51:01,129 INFO L271 CegarLoopResult]: At program point L68(line 68) the Hoare annotation is: true [2020-08-21 14:51:01,129 INFO L268 CegarLoopResult]: For program point L68-1(line 68) no Hoare annotation was computed. [2020-08-21 14:51:01,129 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 173 195) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 14:51:01,130 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:51:01,130 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 173 195) no Hoare annotation was computed. [2020-08-21 14:51:01,130 INFO L264 CegarLoopResult]: At program point L185-1(line 185) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= main_~tmp~1 ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:51:01,130 INFO L268 CegarLoopResult]: For program point L183(lines 183 190) no Hoare annotation was computed. [2020-08-21 14:51:01,130 INFO L268 CegarLoopResult]: For program point L183-1(lines 183 190) no Hoare annotation was computed. [2020-08-21 14:51:01,130 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-08-21 14:51:01,131 INFO L264 CegarLoopResult]: At program point L180(line 180) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 14:51:01,131 INFO L264 CegarLoopResult]: At program point L179(line 179) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 14:51:01,131 INFO L264 CegarLoopResult]: At program point L179-1(line 179) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 14:51:01,131 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 173 195) no Hoare annotation was computed. [2020-08-21 14:51:01,131 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 127 150) no Hoare annotation was computed. [2020-08-21 14:51:01,131 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 127 150) no Hoare annotation was computed. [2020-08-21 14:51:01,131 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 127 150) no Hoare annotation was computed. [2020-08-21 14:51:01,132 INFO L268 CegarLoopResult]: For program point L145(line 145) no Hoare annotation was computed. [2020-08-21 14:51:01,132 INFO L268 CegarLoopResult]: For program point L144(line 144) no Hoare annotation was computed. [2020-08-21 14:51:01,132 INFO L268 CegarLoopResult]: For program point L143(line 143) no Hoare annotation was computed. [2020-08-21 14:51:01,132 INFO L268 CegarLoopResult]: For program point L142(line 142) no Hoare annotation was computed. [2020-08-21 14:51:01,132 INFO L268 CegarLoopResult]: For program point L141(line 141) no Hoare annotation was computed. [2020-08-21 14:51:01,132 INFO L268 CegarLoopResult]: For program point L140(line 140) no Hoare annotation was computed. [2020-08-21 14:51:01,132 INFO L268 CegarLoopResult]: For program point L139(line 139) no Hoare annotation was computed. [2020-08-21 14:51:01,132 INFO L268 CegarLoopResult]: For program point L138(line 138) no Hoare annotation was computed. [2020-08-21 14:51:01,133 INFO L268 CegarLoopResult]: For program point L137(line 137) no Hoare annotation was computed. [2020-08-21 14:51:01,133 INFO L268 CegarLoopResult]: For program point L136(line 136) no Hoare annotation was computed. [2020-08-21 14:51:01,133 INFO L268 CegarLoopResult]: For program point L135(line 135) no Hoare annotation was computed. [2020-08-21 14:51:01,133 INFO L268 CegarLoopResult]: For program point L134(line 134) no Hoare annotation was computed. [2020-08-21 14:51:01,133 INFO L268 CegarLoopResult]: For program point L133(line 133) no Hoare annotation was computed. [2020-08-21 14:51:01,133 INFO L268 CegarLoopResult]: For program point L132(line 132) no Hoare annotation was computed. [2020-08-21 14:51:01,133 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 883 891) no Hoare annotation was computed. [2020-08-21 14:51:01,133 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 883 891) the Hoare annotation is: true [2020-08-21 14:51:01,134 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 883 891) no Hoare annotation was computed. [2020-08-21 14:51:01,134 INFO L268 CegarLoopResult]: For program point L899-2(lines 899 907) no Hoare annotation was computed. [2020-08-21 14:51:01,134 INFO L268 CegarLoopResult]: For program point L922(line 922) no Hoare annotation was computed. [2020-08-21 14:51:01,134 INFO L268 CegarLoopResult]: For program point L922-1(line 922) no Hoare annotation was computed. [2020-08-21 14:51:01,134 INFO L268 CegarLoopResult]: For program point L911(lines 911 919) no Hoare annotation was computed. [2020-08-21 14:51:01,134 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 892 927) no Hoare annotation was computed. [2020-08-21 14:51:01,134 INFO L268 CegarLoopResult]: For program point L911-2(lines 911 919) no Hoare annotation was computed. [2020-08-21 14:51:01,134 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 892 927) no Hoare annotation was computed. [2020-08-21 14:51:01,135 INFO L268 CegarLoopResult]: For program point L899(lines 899 907) no Hoare annotation was computed. [2020-08-21 14:51:01,135 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 892 927) no Hoare annotation was computed. [2020-08-21 14:51:01,135 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 217 223) no Hoare annotation was computed. [2020-08-21 14:51:01,135 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 217 223) the Hoare annotation is: true [2020-08-21 14:51:01,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 247 292) no Hoare annotation was computed. [2020-08-21 14:51:01,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 247 292) no Hoare annotation was computed. [2020-08-21 14:51:01,135 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 247 292) no Hoare annotation was computed. [2020-08-21 14:51:01,135 INFO L268 CegarLoopResult]: For program point L574(lines 574 594) no Hoare annotation was computed. [2020-08-21 14:51:01,135 INFO L268 CegarLoopResult]: For program point L574-1(lines 574 594) no Hoare annotation was computed. [2020-08-21 14:51:01,136 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 560 605) no Hoare annotation was computed. [2020-08-21 14:51:01,136 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 560 605) no Hoare annotation was computed. [2020-08-21 14:51:01,136 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 560 605) no Hoare annotation was computed. [2020-08-21 14:51:01,136 INFO L268 CegarLoopResult]: For program point L580(lines 580 587) no Hoare annotation was computed. [2020-08-21 14:51:01,136 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 159 169) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-21 14:51:01,136 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 159 169) no Hoare annotation was computed. [2020-08-21 14:51:01,136 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 159 169) no Hoare annotation was computed. [2020-08-21 14:51:01,136 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:51:01,137 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 872 882) the Hoare annotation is: true [2020-08-21 14:51:01,137 INFO L271 CegarLoopResult]: At program point L877(line 877) the Hoare annotation is: true [2020-08-21 14:51:01,137 INFO L268 CegarLoopResult]: For program point L877-1(line 877) no Hoare annotation was computed. [2020-08-21 14:51:01,137 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 872 882) no Hoare annotation was computed. [2020-08-21 14:51:01,137 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 872 882) no Hoare annotation was computed. [2020-08-21 14:51:01,137 INFO L268 CegarLoopResult]: For program point deactivatePumpENTRY(lines 864 871) no Hoare annotation was computed. [2020-08-21 14:51:01,137 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 864 871) no Hoare annotation was computed. [2020-08-21 14:51:01,137 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 864 871) no Hoare annotation was computed. [2020-08-21 14:51:01,138 INFO L268 CegarLoopResult]: For program point L694(lines 694 700) no Hoare annotation was computed. [2020-08-21 14:51:01,138 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 690 703) no Hoare annotation was computed. [2020-08-21 14:51:01,138 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 690 703) the Hoare annotation is: true [2020-08-21 14:51:01,138 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 690 703) no Hoare annotation was computed. [2020-08-21 14:51:01,138 INFO L264 CegarLoopResult]: At program point L832(line 832) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 14:51:01,138 INFO L268 CegarLoopResult]: For program point L832-1(lines 813 837) no Hoare annotation was computed. [2020-08-21 14:51:01,138 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0))) (.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse2 (and (= 0 processEnvironment_~tmp~6) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 (not (= 2 ~waterLevel~0)) .cse2) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2))) [2020-08-21 14:51:01,139 INFO L264 CegarLoopResult]: At program point L823(line 823) the Hoare annotation is: (let ((.cse1 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (= 1 ~systemActive~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 14:51:01,139 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 813 837) no Hoare annotation was computed. [2020-08-21 14:51:01,139 INFO L268 CegarLoopResult]: For program point L821(lines 821 829) no Hoare annotation was computed. [2020-08-21 14:51:01,139 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 813 837) the Hoare annotation is: (let ((.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 14:51:01,139 INFO L264 CegarLoopResult]: At program point L819(line 819) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (not (= 2 ~waterLevel~0))) (or (not (= ~waterLevel~0 1)) .cse0 .cse1 .cse2) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (= ~switchedOnBeforeTS~0 0)))) [2020-08-21 14:51:01,139 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-08-21 14:51:01,139 INFO L268 CegarLoopResult]: For program point L817(lines 817 834) no Hoare annotation was computed. [2020-08-21 14:51:01,140 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 805 811) no Hoare annotation was computed. [2020-08-21 14:51:01,140 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 805 811) the Hoare annotation is: true [2020-08-21 14:51:01,140 INFO L264 CegarLoopResult]: At program point testENTRY(lines 706 771) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:51:01,140 INFO L264 CegarLoopResult]: At program point L764(lines 715 765) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 14:51:01,140 INFO L268 CegarLoopResult]: For program point testFINAL(lines 706 771) no Hoare annotation was computed. [2020-08-21 14:51:01,140 INFO L268 CegarLoopResult]: For program point L754(lines 754 758) no Hoare annotation was computed. [2020-08-21 14:51:01,141 INFO L264 CegarLoopResult]: At program point L754-2(lines 746 759) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 14:51:01,141 INFO L268 CegarLoopResult]: For program point L717(lines 716 763) no Hoare annotation was computed. [2020-08-21 14:51:01,141 INFO L264 CegarLoopResult]: At program point L748(line 748) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 14:51:01,141 INFO L268 CegarLoopResult]: For program point L746(lines 746 759) no Hoare annotation was computed. [2020-08-21 14:51:01,141 INFO L264 CegarLoopResult]: At program point L738(line 738) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 14:51:01,141 INFO L268 CegarLoopResult]: For program point L736(lines 736 742) no Hoare annotation was computed. [2020-08-21 14:51:01,141 INFO L268 CegarLoopResult]: For program point L736-1(lines 736 742) no Hoare annotation was computed. [2020-08-21 14:51:01,142 INFO L264 CegarLoopResult]: At program point L761(lines 716 763) the Hoare annotation is: (let ((.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse2 (= ~pumpRunning~0 0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3) (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2 .cse3))) [2020-08-21 14:51:01,142 INFO L264 CegarLoopResult]: At program point L728(line 728) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 0)) (.cse0 (= 2 ~waterLevel~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse1 (= 1 ~systemActive~0)) (.cse3 (= test_~splverifierCounter~0 0))) (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~waterLevel~0 1) .cse1 .cse2 .cse3) (not (= |old(~pumpRunning~0)| 0)) (and .cse4 .cse0 .cse1 .cse3) (and .cse4 .cse1 (not (= ~switchedOnBeforeTS~0 0)) .cse3))) [2020-08-21 14:51:01,142 INFO L268 CegarLoopResult]: For program point L726(lines 726 732) no Hoare annotation was computed. [2020-08-21 14:51:01,142 INFO L268 CegarLoopResult]: For program point L726-1(lines 726 732) no Hoare annotation was computed. [2020-08-21 14:51:01,142 INFO L268 CegarLoopResult]: For program point L718(lines 718 722) no Hoare annotation was computed. [2020-08-21 14:51:01,142 INFO L268 CegarLoopResult]: For program point testEXIT(lines 706 771) no Hoare annotation was computed. [2020-08-21 14:51:01,142 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 514 559) no Hoare annotation was computed. [2020-08-21 14:51:01,143 INFO L268 CegarLoopResult]: For program point L534(lines 534 541) no Hoare annotation was computed. [2020-08-21 14:51:01,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 514 559) no Hoare annotation was computed. [2020-08-21 14:51:01,143 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 514 559) no Hoare annotation was computed. [2020-08-21 14:51:01,143 INFO L268 CegarLoopResult]: For program point L528(lines 528 548) no Hoare annotation was computed. [2020-08-21 14:51:01,143 INFO L268 CegarLoopResult]: For program point L528-1(lines 528 548) no Hoare annotation was computed. [2020-08-21 14:51:01,143 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 838 845) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 14:51:01,143 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 838 845) no Hoare annotation was computed. [2020-08-21 14:51:01,143 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 838 845) no Hoare annotation was computed. [2020-08-21 14:51:01,144 INFO L268 CegarLoopResult]: For program point L666(lines 666 674) no Hoare annotation was computed. [2020-08-21 14:51:01,144 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 658 680) no Hoare annotation was computed. [2020-08-21 14:51:01,144 INFO L268 CegarLoopResult]: For program point L666-2(lines 666 674) no Hoare annotation was computed. [2020-08-21 14:51:01,144 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 658 680) no Hoare annotation was computed. [2020-08-21 14:51:01,144 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 658 680) no Hoare annotation was computed. [2020-08-21 14:51:01,144 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 207 216) no Hoare annotation was computed. [2020-08-21 14:51:01,144 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 207 216) no Hoare annotation was computed. [2020-08-21 14:51:01,144 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 207 216) no Hoare annotation was computed. [2020-08-21 14:51:01,144 INFO L268 CegarLoopResult]: For program point L481(lines 459 482) no Hoare annotation was computed. [2020-08-21 14:51:01,145 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 411 513) no Hoare annotation was computed. [2020-08-21 14:51:01,145 INFO L268 CegarLoopResult]: For program point L440(lines 440 456) no Hoare annotation was computed. [2020-08-21 14:51:01,145 INFO L268 CegarLoopResult]: For program point L500(lines 500 507) no Hoare annotation was computed. [2020-08-21 14:51:01,145 INFO L268 CegarLoopResult]: For program point L461(lines 460 480) no Hoare annotation was computed. [2020-08-21 14:51:01,145 INFO L268 CegarLoopResult]: For program point L492(line 492) no Hoare annotation was computed. [2020-08-21 14:51:01,145 INFO L268 CegarLoopResult]: For program point L492-1(line 492) no Hoare annotation was computed. [2020-08-21 14:51:01,145 INFO L268 CegarLoopResult]: For program point L457(lines 457 498) no Hoare annotation was computed. [2020-08-21 14:51:01,145 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 411 513) no Hoare annotation was computed. [2020-08-21 14:51:01,145 INFO L268 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2020-08-21 14:51:01,146 INFO L268 CegarLoopResult]: For program point L476-1(line 476) no Hoare annotation was computed. [2020-08-21 14:51:01,146 INFO L268 CegarLoopResult]: For program point L435(lines 435 439) no Hoare annotation was computed. [2020-08-21 14:51:01,146 INFO L268 CegarLoopResult]: For program point L499(lines 499 510) no Hoare annotation was computed. [2020-08-21 14:51:01,146 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 411 513) no Hoare annotation was computed. [2020-08-21 14:51:01,146 INFO L268 CegarLoopResult]: For program point L462(lines 462 466) no Hoare annotation was computed. [2020-08-21 14:51:01,146 INFO L268 CegarLoopResult]: For program point L460-2(lines 460 480) no Hoare annotation was computed. [2020-08-21 14:51:01,146 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:51:01,147 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string47.offset| |old(#t~string47.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string72.base| |old(#t~string72.base)|) (= |#t~string26.offset| |old(#t~string26.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |#t~string70.base| |old(#t~string70.base)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string66.offset| |old(#t~string66.offset)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string25.base| |old(#t~string25.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string64.base| |old(#t~string64.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string25.offset| |old(#t~string25.offset)|) (= |#t~string66.base| |old(#t~string66.base)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string68.offset| |old(#t~string68.offset)|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string64.offset| |old(#t~string64.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string70.offset| |old(#t~string70.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string72.offset| |old(#t~string72.offset)|) (= |#t~string60.base| |old(#t~string60.base)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 14:51:01,147 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:51:01,147 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 847 863) no Hoare annotation was computed. [2020-08-21 14:51:01,147 INFO L264 CegarLoopResult]: At program point L858(line 858) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 14:51:01,147 INFO L268 CegarLoopResult]: For program point L858-1(lines 847 863) no Hoare annotation was computed. [2020-08-21 14:51:01,147 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 847 863) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 14:51:01,148 INFO L268 CegarLoopResult]: For program point L854(lines 854 860) no Hoare annotation was computed. [2020-08-21 14:51:01,148 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= 2 ~waterLevel~0))) [2020-08-21 14:51:01,148 INFO L268 CegarLoopResult]: For program point L852-1(line 852) no Hoare annotation was computed. [2020-08-21 14:51:01,148 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2020-08-21 14:51:01,148 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 681 689) no Hoare annotation was computed. [2020-08-21 14:51:01,148 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2020-08-21 14:51:01,148 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 928 946) no Hoare annotation was computed. [2020-08-21 14:51:01,148 INFO L268 CegarLoopResult]: For program point L937(lines 937 941) no Hoare annotation was computed. [2020-08-21 14:51:01,148 INFO L271 CegarLoopResult]: At program point L935(line 935) the Hoare annotation is: true [2020-08-21 14:51:01,149 INFO L268 CegarLoopResult]: For program point L937-2(lines 937 941) no Hoare annotation was computed. [2020-08-21 14:51:01,149 INFO L268 CegarLoopResult]: For program point L935-1(line 935) no Hoare annotation was computed. [2020-08-21 14:51:01,149 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 928 946) the Hoare annotation is: true [2020-08-21 14:51:01,149 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 928 946) no Hoare annotation was computed. [2020-08-21 14:51:01,149 INFO L268 CegarLoopResult]: For program point L641-1(lines 637 648) no Hoare annotation was computed. [2020-08-21 14:51:01,149 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: (let ((.cse4 (not (= ~pumpRunning~0 0))) (.cse2 (not (= 2 ~waterLevel~0))) (.cse0 (not (<= 1 ~pumpRunning~0))) (.cse1 (not (= 1 ~systemActive~0))) (.cse3 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= ~waterLevel~0 1)) .cse4 .cse1 .cse3) (or .cse4 .cse1 .cse2 .cse3) (or .cse0 .cse1 (= ~switchedOnBeforeTS~0 0) .cse3))) [2020-08-21 14:51:01,149 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2020-08-21 14:51:01,149 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:51:01,150 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 14:51:01,150 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:51:01,150 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (let ((.cse3 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~switchedOnBeforeTS~0 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (= |old(~waterLevel~0)| 2))) (.cse2 (not (= 1 ~systemActive~0))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (and (= ~waterLevel~0 1) .cse3 .cse4)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse3 .cse4) .cse0 .cse2) (or (not (= |old(~waterLevel~0)| 1)) .cse2 .cse5 .cse6) (or .cse1 .cse2 .cse5 .cse6))) [2020-08-21 14:51:01,150 INFO L264 CegarLoopResult]: At program point L792(lines 792 798) the Hoare annotation is: (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse7 (not (= ~switchedOnBeforeTS~0 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse3 (not (= 1 ~systemActive~0))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse1 (= ~pumpRunning~0 0))) (and (let ((.cse0 (= 2 ~waterLevel~0))) (or (and .cse0 .cse1) (and (<= 1 ~pumpRunning~0) .cse0) .cse2 .cse3 .cse4)) (or .cse5 .cse2 .cse3 (and (= ~waterLevel~0 1) .cse6 .cse7)) (or (= |old(~switchedOnBeforeTS~0)| 0) (and .cse6 .cse7) .cse5 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse3 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1)))) [2020-08-21 14:51:01,150 INFO L264 CegarLoopResult]: At program point L787(line 787) the Hoare annotation is: (let ((.cse3 (not (= |old(~waterLevel~0)| 2))) (.cse5 (not (= |old(~pumpRunning~0)| 0))) (.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (not (= ~switchedOnBeforeTS~0 0)))) (and (or .cse0 (and (= 2 ~waterLevel~0) .cse1 .cse2) .cse3 .cse4) (or .cse3 .cse4 .cse5) (or (not (= |old(~waterLevel~0)| 1)) .cse4 .cse5) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse0 .cse4 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse1 .cse2)))) [2020-08-21 14:51:01,151 INFO L268 CegarLoopResult]: For program point L785(lines 781 803) no Hoare annotation was computed. [2020-08-21 14:51:01,151 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 778 804) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= ~switchedOnBeforeTS~0 |old(~switchedOnBeforeTS~0)|))) (let ((.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse4 (not (= |old(~pumpRunning~0)| 0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (and (= |old(~waterLevel~0)| ~waterLevel~0) .cse0 .cse1)) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (and (= 2 ~waterLevel~0) .cse0 .cse1) .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse6 .cse3 .cse4) (or (= |old(~switchedOnBeforeTS~0)| 0) .cse5 .cse6 .cse3)))) [2020-08-21 14:51:01,151 INFO L268 CegarLoopResult]: For program point L783(lines 781 803) no Hoare annotation was computed. [2020-08-21 14:51:01,151 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 778 804) no Hoare annotation was computed. [2020-08-21 14:51:01,151 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 778 804) no Hoare annotation was computed. [2020-08-21 14:51:01,151 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 94 123) no Hoare annotation was computed. [2020-08-21 14:51:01,151 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 94 123) the Hoare annotation is: true [2020-08-21 14:51:01,152 INFO L271 CegarLoopResult]: At program point L119(lines 94 123) the Hoare annotation is: true [2020-08-21 14:51:01,152 INFO L268 CegarLoopResult]: For program point L115(line 115) no Hoare annotation was computed. [2020-08-21 14:51:01,152 INFO L268 CegarLoopResult]: For program point L108(lines 108 112) no Hoare annotation was computed. [2020-08-21 14:51:01,152 INFO L271 CegarLoopResult]: At program point L108-1(lines 108 112) the Hoare annotation is: true [2020-08-21 14:51:01,152 INFO L268 CegarLoopResult]: For program point L105(line 105) no Hoare annotation was computed. [2020-08-21 14:51:01,152 INFO L271 CegarLoopResult]: At program point L104-2(lines 104 118) the Hoare annotation is: true [2020-08-21 14:51:01,152 INFO L271 CegarLoopResult]: At program point L100(line 100) the Hoare annotation is: true [2020-08-21 14:51:01,152 INFO L268 CegarLoopResult]: For program point L100-1(line 100) no Hoare annotation was computed. [2020-08-21 14:51:01,153 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 649 657) the Hoare annotation is: true [2020-08-21 14:51:01,153 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 649 657) no Hoare annotation was computed. [2020-08-21 14:51:01,153 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 649 657) no Hoare annotation was computed. [2020-08-21 14:51:01,153 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 1 ~systemActive~0)) (= ~switchedOnBeforeTS~0 0)) [2020-08-21 14:51:01,153 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2020-08-21 14:51:01,153 INFO L268 CegarLoopResult]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2020-08-21 14:51:01,153 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 151 157) no Hoare annotation was computed. [2020-08-21 14:51:01,153 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 151 157) the Hoare annotation is: true [2020-08-21 14:51:01,154 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 14:51:01,154 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= ~waterLevel~0 1) (= 1 ~systemActive~0) (= ~pumpRunning~0 0)) [2020-08-21 14:51:01,154 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 14:51:01,154 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 14:51:01,154 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 947 954) no Hoare annotation was computed. [2020-08-21 14:51:01,154 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 947 954) the Hoare annotation is: (let ((.cse2 (not (= ~pumpRunning~0 0))) (.cse0 (not (= |old(~systemActive~0)| 1))) (.cse1 (= |old(~systemActive~0)| ~systemActive~0)) (.cse3 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (= 2 ~waterLevel~0)))) (and (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) (or .cse0 .cse3 (= 1 ~systemActive~0) (= ~switchedOnBeforeTS~0 0)) (or .cse0 .cse1 .cse2 .cse4) (or .cse0 .cse1 .cse3 .cse4))) [2020-08-21 14:51:01,154 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 947 954) no Hoare annotation was computed. [2020-08-21 14:51:01,154 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2020-08-21 14:51:01,155 INFO L268 CegarLoopResult]: For program point L629-1(lines 625 636) no Hoare annotation was computed. [2020-08-21 14:51:01,155 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: (let ((.cse4 (not (<= 1 ~pumpRunning~0))) (.cse0 (= 2 ~waterLevel~0)) (.cse2 (not (= |old(~waterLevel~0)| 2))) (.cse5 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= ~pumpRunning~0 0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 (= ~switchedOnBeforeTS~0 0)) (or .cse4 .cse0 .cse2 .cse3) (or (not (= |old(~waterLevel~0)| 1)) .cse5 .cse1 .cse3))) [2020-08-21 14:51:01,155 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 197 204) no Hoare annotation was computed. [2020-08-21 14:51:01,155 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 201) no Hoare annotation was computed. [2020-08-21 14:51:01,155 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 197 204) the Hoare annotation is: true [2020-08-21 14:51:01,155 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 197 204) no Hoare annotation was computed. [2020-08-21 14:51:01,175 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 02:51:01 BoogieIcfgContainer [2020-08-21 14:51:01,176 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 14:51:01,177 INFO L168 Benchmark]: Toolchain (without parser) took 55303.85 ms. Allocated memory was 141.0 MB in the beginning and 659.0 MB in the end (delta: 518.0 MB). Free memory was 103.5 MB in the beginning and 560.8 MB in the end (delta: -457.3 MB). Peak memory consumption was 526.1 MB. Max. memory is 7.1 GB. [2020-08-21 14:51:01,178 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 14:51:01,179 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.59 ms. Allocated memory was 141.0 MB in the beginning and 207.1 MB in the end (delta: 66.1 MB). Free memory was 103.3 MB in the beginning and 176.6 MB in the end (delta: -73.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. [2020-08-21 14:51:01,179 INFO L168 Benchmark]: Boogie Preprocessor took 113.73 ms. Allocated memory is still 207.1 MB. Free memory was 176.6 MB in the beginning and 172.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-08-21 14:51:01,180 INFO L168 Benchmark]: RCFGBuilder took 1062.72 ms. Allocated memory was 207.1 MB in the beginning and 231.7 MB in the end (delta: 24.6 MB). Free memory was 172.5 MB in the beginning and 189.3 MB in the end (delta: -16.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-08-21 14:51:01,181 INFO L168 Benchmark]: TraceAbstraction took 53415.98 ms. Allocated memory was 231.7 MB in the beginning and 659.0 MB in the end (delta: 427.3 MB). Free memory was 189.3 MB in the beginning and 560.8 MB in the end (delta: -371.4 MB). Peak memory consumption was 521.3 MB. Max. memory is 7.1 GB. [2020-08-21 14:51:01,183 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 141.0 MB. Free memory was 122.6 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.59 ms. Allocated memory was 141.0 MB in the beginning and 207.1 MB in the end (delta: 66.1 MB). Free memory was 103.3 MB in the beginning and 176.6 MB in the end (delta: -73.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 113.73 ms. Allocated memory is still 207.1 MB. Free memory was 176.6 MB in the beginning and 172.5 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1062.72 ms. Allocated memory was 207.1 MB in the beginning and 231.7 MB in the end (delta: 24.6 MB). Free memory was 172.5 MB in the beginning and 189.3 MB in the end (delta: -16.9 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 53415.98 ms. Allocated memory was 231.7 MB in the beginning and 659.0 MB in the end (delta: 427.3 MB). Free memory was 189.3 MB in the beginning and 560.8 MB in the end (delta: -371.4 MB). Peak memory consumption was 521.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 201]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 716]: Loop Invariant Derived loop invariant: (((((!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || (((2 == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || (((1 <= pumpRunning && 2 == waterLevel) && 1 == systemActive) && splverifierCounter == 0)) || (((1 <= pumpRunning && 1 == systemActive) && !(switchedOnBeforeTS == 0)) && splverifierCounter == 0)) || (((\old(waterLevel) == waterLevel && 1 == systemActive) && pumpRunning == 0) && splverifierCounter == 0) - InvariantResult [Line: 104]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 94]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 715]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(waterLevel) == 1)) || !(\old(pumpRunning) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 35.6s, OverallIterations: 10, TraceHistogramMax: 3, AutomataDifference: 29.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 17.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1355 SDtfs, 2921 SDslu, 1855 SDs, 0 SdLazy, 6957 SolverSat, 2056 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 13.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 504 GetRequests, 337 SyntacticMatches, 3 SemanticMatches, 164 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 844 ImplicationChecksByTransitivity, 15.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=650occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 10 MinimizatonAttempts, 426 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 865 PreInvPairs, 934 NumberOfFragments, 1826 HoareAnnotationTreeSize, 865 FomulaSimplifications, 28587539 FormulaSimplificationTreeSizeReduction, 3.4s HoareSimplificationTime, 60 FomulaSimplificationsInter, 248364 FormulaSimplificationTreeSizeReductionInter, 14.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 911 NumberOfCodeBlocks, 911 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 901 ConstructedInterpolants, 0 QuantifiedInterpolants, 323513 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 60/66 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...