/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 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-267fbe0 [2020-07-17 11:30:22,602 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-17 11:30:22,604 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-17 11:30:22,616 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-17 11:30:22,617 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-17 11:30:22,618 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-17 11:30:22,619 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-17 11:30:22,621 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-17 11:30:22,623 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-17 11:30:22,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-17 11:30:22,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-17 11:30:22,626 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-17 11:30:22,626 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-17 11:30:22,627 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-17 11:30:22,628 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-17 11:30:22,632 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-17 11:30:22,633 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-17 11:30:22,634 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-17 11:30:22,635 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-17 11:30:22,637 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-17 11:30:22,639 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-17 11:30:22,640 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-17 11:30:22,641 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-17 11:30:22,642 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-17 11:30:22,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-17 11:30:22,645 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-17 11:30:22,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-17 11:30:22,647 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-17 11:30:22,647 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-17 11:30:22,648 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-17 11:30:22,648 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-17 11:30:22,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-17 11:30:22,652 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-17 11:30:22,653 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-17 11:30:22,654 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-17 11:30:22,654 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-17 11:30:22,658 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-17 11:30:22,658 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-17 11:30:22,658 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-17 11:30:22,659 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-17 11:30:22,660 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-17 11:30:22,664 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-17 11:30:22,684 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-17 11:30:22,685 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-17 11:30:22,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-17 11:30:22,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-17 11:30:22,689 INFO L138 SettingsManager]: * Use SBE=true [2020-07-17 11:30:22,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-17 11:30:22,689 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-17 11:30:22,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-17 11:30:22,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-17 11:30:22,690 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-17 11:30:22,691 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-17 11:30:22,691 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-17 11:30:22,691 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-17 11:30:22,692 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-17 11:30:22,692 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-17 11:30:22,692 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-17 11:30:22,692 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-17 11:30:22,692 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-17 11:30:22,693 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-17 11:30:22,693 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-17 11:30:22,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-17 11:30:22,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-17 11:30:22,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-17 11:30:22,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-17 11:30:22,697 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-17 11:30:22,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-17 11:30:22,698 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-17 11:30:22,698 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-17 11:30:22,698 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-17 11:30:22,698 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2020-07-17 11:30:22,986 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-17 11:30:23,004 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-17 11:30:23,009 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-17 11:30:23,010 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-17 11:30:23,011 INFO L275 PluginConnector]: CDTParser initialized [2020-07-17 11:30:23,012 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2020-07-17 11:30:23,082 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3784da70b/b34b6103ff5c43b2a08d4371754a3abf/FLAG5e3a3992e [2020-07-17 11:30:23,651 INFO L306 CDTParser]: Found 1 translation units. [2020-07-17 11:30:23,651 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product50.cil.c [2020-07-17 11:30:23,665 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3784da70b/b34b6103ff5c43b2a08d4371754a3abf/FLAG5e3a3992e [2020-07-17 11:30:24,004 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3784da70b/b34b6103ff5c43b2a08d4371754a3abf [2020-07-17 11:30:24,014 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-17 11:30:24,017 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-17 11:30:24,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-17 11:30:24,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-17 11:30:24,021 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-17 11:30:24,022 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:30:24" (1/1) ... [2020-07-17 11:30:24,025 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1da71926 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24, skipping insertion in model container [2020-07-17 11:30:24,026 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.07 11:30:24" (1/1) ... [2020-07-17 11:30:24,032 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-17 11:30:24,087 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-17 11:30:24,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:30:24,553 INFO L203 MainTranslator]: Completed pre-run [2020-07-17 11:30:24,631 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-17 11:30:24,670 INFO L208 MainTranslator]: Completed translation [2020-07-17 11:30:24,671 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24 WrapperNode [2020-07-17 11:30:24,671 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-17 11:30:24,672 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-17 11:30:24,672 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-17 11:30:24,672 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-17 11:30:24,693 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24" (1/1) ... [2020-07-17 11:30:24,693 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24" (1/1) ... [2020-07-17 11:30:24,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24" (1/1) ... [2020-07-17 11:30:24,715 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24" (1/1) ... [2020-07-17 11:30:24,748 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24" (1/1) ... [2020-07-17 11:30:24,760 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24" (1/1) ... [2020-07-17 11:30:24,766 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24" (1/1) ... [2020-07-17 11:30:24,774 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-17 11:30:24,774 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-17 11:30:24,774 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-17 11:30:24,775 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-17 11:30:24,776 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/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 [2020-07-17 11:30:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-17 11:30:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-17 11:30:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-17 11:30:24,831 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-17 11:30:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-17 11:30:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-17 11:30:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-17 11:30:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-17 11:30:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-17 11:30:24,832 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-17 11:30:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-17 11:30:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-17 11:30:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-17 11:30:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-17 11:30:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-17 11:30:24,833 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-17 11:30:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-17 11:30:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-17 11:30:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-17 11:30:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-17 11:30:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-17 11:30:24,834 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-17 11:30:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-17 11:30:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-17 11:30:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:30:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-17 11:30:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-17 11:30:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-17 11:30:24,835 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-17 11:30:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-17 11:30:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-17 11:30:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-17 11:30:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-17 11:30:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-17 11:30:24,836 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-17 11:30:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-17 11:30:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-17 11:30:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-17 11:30:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-17 11:30:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-17 11:30:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-17 11:30:24,837 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-17 11:30:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-17 11:30:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-17 11:30:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-17 11:30:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-17 11:30:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-17 11:30:24,838 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-17 11:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-17 11:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-17 11:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-17 11:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-17 11:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-17 11:30:24,839 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-17 11:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-17 11:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-17 11:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-17 11:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-17 11:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-17 11:30:24,840 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-17 11:30:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-17 11:30:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-17 11:30:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-17 11:30:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-17 11:30:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-17 11:30:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-17 11:30:24,841 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-17 11:30:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-17 11:30:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-17 11:30:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-17 11:30:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-17 11:30:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-17 11:30:24,842 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-17 11:30:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-17 11:30:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-17 11:30:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-17 11:30:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-17 11:30:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-17 11:30:24,843 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-17 11:30:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-17 11:30:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-17 11:30:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-17 11:30:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-17 11:30:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-17 11:30:24,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-17 11:30:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-17 11:30:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-17 11:30:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-17 11:30:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-17 11:30:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-17 11:30:24,845 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-17 11:30:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-17 11:30:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-17 11:30:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-17 11:30:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-17 11:30:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-17 11:30:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-17 11:30:24,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-17 11:30:25,916 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-17 11:30:25,916 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-17 11:30:25,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:30:25 BoogieIcfgContainer [2020-07-17 11:30:25,924 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-17 11:30:25,926 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-17 11:30:25,926 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-17 11:30:25,929 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-17 11:30:25,929 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.07 11:30:24" (1/3) ... [2020-07-17 11:30:25,930 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271fabd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:30:25, skipping insertion in model container [2020-07-17 11:30:25,931 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.07 11:30:24" (2/3) ... [2020-07-17 11:30:25,932 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@271fabd7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.07 11:30:25, skipping insertion in model container [2020-07-17 11:30:25,932 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.07 11:30:25" (3/3) ... [2020-07-17 11:30:25,934 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product50.cil.c [2020-07-17 11:30:25,945 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-17 11:30:25,954 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-17 11:30:25,968 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-17 11:30:26,000 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-17 11:30:26,000 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-17 11:30:26,001 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-17 11:30:26,001 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-17 11:30:26,002 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-17 11:30:26,002 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-17 11:30:26,003 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-17 11:30:26,003 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-17 11:30:26,026 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states. [2020-07-17 11:30:26,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-17 11:30:26,036 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:26,037 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:26,037 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:26,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:26,044 INFO L82 PathProgramCache]: Analyzing trace with hash -1742083297, now seen corresponding path program 1 times [2020-07-17 11:30:26,054 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:26,054 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1795099832] [2020-07-17 11:30:26,055 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:26,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,747 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:26,888 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:26,894 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1795099832] [2020-07-17 11:30:26,895 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:26,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-17 11:30:26,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114411090] [2020-07-17 11:30:26,903 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-17 11:30:26,904 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:26,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-17 11:30:26,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:30:26,922 INFO L87 Difference]: Start difference. First operand 183 states. Second operand 4 states. [2020-07-17 11:30:28,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:28,166 INFO L93 Difference]: Finished difference Result 306 states and 397 transitions. [2020-07-17 11:30:28,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-17 11:30:28,168 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-07-17 11:30:28,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:28,183 INFO L225 Difference]: With dead ends: 306 [2020-07-17 11:30:28,183 INFO L226 Difference]: Without dead ends: 170 [2020-07-17 11:30:28,188 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-07-17 11:30:28,206 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 170 states. [2020-07-17 11:30:28,277 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 170 to 137. [2020-07-17 11:30:28,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137 states. [2020-07-17 11:30:28,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 160 transitions. [2020-07-17 11:30:28,283 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 160 transitions. Word has length 51 [2020-07-17 11:30:28,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:28,284 INFO L479 AbstractCegarLoop]: Abstraction has 137 states and 160 transitions. [2020-07-17 11:30:28,284 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-17 11:30:28,284 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 160 transitions. [2020-07-17 11:30:28,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-17 11:30:28,288 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:28,289 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:28,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-17 11:30:28,289 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:28,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:28,290 INFO L82 PathProgramCache]: Analyzing trace with hash 604742129, now seen corresponding path program 1 times [2020-07-17 11:30:28,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:28,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [166522137] [2020-07-17 11:30:28,290 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:28,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:28,639 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:28,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:28,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:28,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:28,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:28,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:28,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:28,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:28,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:28,690 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:28,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [166522137] [2020-07-17 11:30:28,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:28,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-17 11:30:28,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2073772374] [2020-07-17 11:30:28,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-17 11:30:28,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:28,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-17 11:30:28,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-07-17 11:30:28,694 INFO L87 Difference]: Start difference. First operand 137 states and 160 transitions. Second operand 5 states. [2020-07-17 11:30:29,170 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:30,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:30,121 INFO L93 Difference]: Finished difference Result 247 states and 304 transitions. [2020-07-17 11:30:30,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-17 11:30:30,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-07-17 11:30:30,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:30,125 INFO L225 Difference]: With dead ends: 247 [2020-07-17 11:30:30,125 INFO L226 Difference]: Without dead ends: 160 [2020-07-17 11:30:30,127 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:30:30,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-17 11:30:30,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 128. [2020-07-17 11:30:30,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-17 11:30:30,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 148 transitions. [2020-07-17 11:30:30,166 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 148 transitions. Word has length 52 [2020-07-17 11:30:30,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:30,166 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 148 transitions. [2020-07-17 11:30:30,166 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-17 11:30:30,166 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 148 transitions. [2020-07-17 11:30:30,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-17 11:30:30,169 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:30,169 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:30,169 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-17 11:30:30,169 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:30,170 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:30,170 INFO L82 PathProgramCache]: Analyzing trace with hash -185652476, now seen corresponding path program 1 times [2020-07-17 11:30:30,170 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:30,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694125621] [2020-07-17 11:30:30,171 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:30,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,522 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:30,682 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:30,683 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694125621] [2020-07-17 11:30:30,683 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:30,683 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:30:30,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [727814181] [2020-07-17 11:30:30,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:30:30,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:30,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:30:30,686 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:30:30,686 INFO L87 Difference]: Start difference. First operand 128 states and 148 transitions. Second operand 9 states. [2020-07-17 11:30:31,101 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:31,428 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 193 [2020-07-17 11:30:31,719 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:31,965 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:33,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:33,175 INFO L93 Difference]: Finished difference Result 260 states and 323 transitions. [2020-07-17 11:30:33,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-17 11:30:33,176 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 57 [2020-07-17 11:30:33,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:33,178 INFO L225 Difference]: With dead ends: 260 [2020-07-17 11:30:33,179 INFO L226 Difference]: Without dead ends: 160 [2020-07-17 11:30:33,184 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=56, Invalid=126, Unknown=0, NotChecked=0, Total=182 [2020-07-17 11:30:33,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-07-17 11:30:33,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 128. [2020-07-17 11:30:33,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-17 11:30:33,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 147 transitions. [2020-07-17 11:30:33,245 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 147 transitions. Word has length 57 [2020-07-17 11:30:33,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:33,248 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 147 transitions. [2020-07-17 11:30:33,248 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:30:33,251 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 147 transitions. [2020-07-17 11:30:33,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-17 11:30:33,258 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:33,258 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:33,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-17 11:30:33,263 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:33,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:33,264 INFO L82 PathProgramCache]: Analyzing trace with hash -285076691, now seen corresponding path program 1 times [2020-07-17 11:30:33,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:33,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703916053] [2020-07-17 11:30:33,264 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:33,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,609 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:33,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:33,727 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:33,728 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [703916053] [2020-07-17 11:30:33,728 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:33,728 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-17 11:30:33,728 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573129292] [2020-07-17 11:30:33,729 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-17 11:30:33,729 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:33,729 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-17 11:30:33,730 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-17 11:30:33,730 INFO L87 Difference]: Start difference. First operand 128 states and 147 transitions. Second operand 7 states. [2020-07-17 11:30:34,086 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:35,292 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:36,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:36,014 INFO L93 Difference]: Finished difference Result 359 states and 451 transitions. [2020-07-17 11:30:36,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:30:36,015 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 70 [2020-07-17 11:30:36,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:36,019 INFO L225 Difference]: With dead ends: 359 [2020-07-17 11:30:36,019 INFO L226 Difference]: Without dead ends: 259 [2020-07-17 11:30:36,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:30:36,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2020-07-17 11:30:36,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 210. [2020-07-17 11:30:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 210 states. [2020-07-17 11:30:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 210 states to 210 states and 240 transitions. [2020-07-17 11:30:36,068 INFO L78 Accepts]: Start accepts. Automaton has 210 states and 240 transitions. Word has length 70 [2020-07-17 11:30:36,068 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:36,068 INFO L479 AbstractCegarLoop]: Abstraction has 210 states and 240 transitions. [2020-07-17 11:30:36,068 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-17 11:30:36,069 INFO L276 IsEmpty]: Start isEmpty. Operand 210 states and 240 transitions. [2020-07-17 11:30:36,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2020-07-17 11:30:36,070 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:36,070 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:36,071 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-17 11:30:36,071 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:36,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:36,071 INFO L82 PathProgramCache]: Analyzing trace with hash -791027315, now seen corresponding path program 1 times [2020-07-17 11:30:36,071 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:36,072 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1555167954] [2020-07-17 11:30:36,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:36,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,368 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:36,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:36,478 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:36,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1555167954] [2020-07-17 11:30:36,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:36,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-17 11:30:36,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [674021004] [2020-07-17 11:30:36,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:30:36,480 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:36,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:30:36,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-17 11:30:36,481 INFO L87 Difference]: Start difference. First operand 210 states and 240 transitions. Second operand 9 states. [2020-07-17 11:30:36,952 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:38,135 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:38,410 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:38,674 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:38,909 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:40,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:40,179 INFO L93 Difference]: Finished difference Result 626 states and 786 transitions. [2020-07-17 11:30:40,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-17 11:30:40,181 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 84 [2020-07-17 11:30:40,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:40,185 INFO L225 Difference]: With dead ends: 626 [2020-07-17 11:30:40,185 INFO L226 Difference]: Without dead ends: 444 [2020-07-17 11:30:40,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-07-17 11:30:40,188 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 444 states. [2020-07-17 11:30:40,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 444 to 368. [2020-07-17 11:30:40,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 368 states. [2020-07-17 11:30:40,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 420 transitions. [2020-07-17 11:30:40,263 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 420 transitions. Word has length 84 [2020-07-17 11:30:40,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:40,264 INFO L479 AbstractCegarLoop]: Abstraction has 368 states and 420 transitions. [2020-07-17 11:30:40,264 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:30:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 420 transitions. [2020-07-17 11:30:40,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-17 11:30:40,266 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:40,266 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:40,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-17 11:30:40,267 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:40,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:40,267 INFO L82 PathProgramCache]: Analyzing trace with hash 474237417, now seen corresponding path program 1 times [2020-07-17 11:30:40,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:40,268 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2064100098] [2020-07-17 11:30:40,268 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:40,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,563 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:40,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:40,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:40,688 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2064100098] [2020-07-17 11:30:40,688 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:40,689 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 11:30:40,689 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1659421301] [2020-07-17 11:30:40,689 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 11:30:40,690 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:40,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 11:30:40,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:30:40,690 INFO L87 Difference]: Start difference. First operand 368 states and 420 transitions. Second operand 10 states. [2020-07-17 11:30:41,326 WARN L193 SmtUtils]: Spent 189.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:42,449 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:42,677 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:42,912 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:43,175 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:44,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:44,162 INFO L93 Difference]: Finished difference Result 822 states and 1015 transitions. [2020-07-17 11:30:44,163 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-17 11:30:44,163 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 88 [2020-07-17 11:30:44,164 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:44,167 INFO L225 Difference]: With dead ends: 822 [2020-07-17 11:30:44,168 INFO L226 Difference]: Without dead ends: 482 [2020-07-17 11:30:44,169 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 60 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 146 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=194, Invalid=508, Unknown=0, NotChecked=0, Total=702 [2020-07-17 11:30:44,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-07-17 11:30:44,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 367. [2020-07-17 11:30:44,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 367 states. [2020-07-17 11:30:44,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 417 transitions. [2020-07-17 11:30:44,244 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 417 transitions. Word has length 88 [2020-07-17 11:30:44,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:44,244 INFO L479 AbstractCegarLoop]: Abstraction has 367 states and 417 transitions. [2020-07-17 11:30:44,245 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 11:30:44,245 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 417 transitions. [2020-07-17 11:30:44,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-17 11:30:44,246 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:44,247 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:44,247 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-17 11:30:44,247 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:44,247 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:44,247 INFO L82 PathProgramCache]: Analyzing trace with hash -1710786942, now seen corresponding path program 1 times [2020-07-17 11:30:44,248 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:44,248 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722444054] [2020-07-17 11:30:44,248 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,496 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:44,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:44,625 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:44,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722444054] [2020-07-17 11:30:44,626 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:44,626 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-17 11:30:44,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [385456408] [2020-07-17 11:30:44,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-17 11:30:44,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:44,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-17 11:30:44,628 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-07-17 11:30:44,628 INFO L87 Difference]: Start difference. First operand 367 states and 417 transitions. Second operand 10 states. [2020-07-17 11:30:45,676 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:45,936 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 194 [2020-07-17 11:30:46,180 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:46,408 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:47,488 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:47,488 INFO L93 Difference]: Finished difference Result 825 states and 1024 transitions. [2020-07-17 11:30:47,489 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:30:47,489 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 89 [2020-07-17 11:30:47,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:47,492 INFO L225 Difference]: With dead ends: 825 [2020-07-17 11:30:47,492 INFO L226 Difference]: Without dead ends: 486 [2020-07-17 11:30:47,494 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=90, Invalid=216, Unknown=0, NotChecked=0, Total=306 [2020-07-17 11:30:47,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2020-07-17 11:30:47,577 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 377. [2020-07-17 11:30:47,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 377 states. [2020-07-17 11:30:47,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 427 transitions. [2020-07-17 11:30:47,580 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 427 transitions. Word has length 89 [2020-07-17 11:30:47,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:47,580 INFO L479 AbstractCegarLoop]: Abstraction has 377 states and 427 transitions. [2020-07-17 11:30:47,581 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-17 11:30:47,581 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 427 transitions. [2020-07-17 11:30:47,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-17 11:30:47,583 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:47,584 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:47,584 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-17 11:30:47,584 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:47,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:47,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1009187068, now seen corresponding path program 1 times [2020-07-17 11:30:47,585 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:47,585 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1135660848] [2020-07-17 11:30:47,585 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:47,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,854 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:47,988 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:47,989 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1135660848] [2020-07-17 11:30:47,989 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:47,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [12] imperfect sequences [] total 12 [2020-07-17 11:30:47,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977191255] [2020-07-17 11:30:47,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-07-17 11:30:47,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:47,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-07-17 11:30:47,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2020-07-17 11:30:47,991 INFO L87 Difference]: Start difference. First operand 377 states and 427 transitions. Second operand 12 states. [2020-07-17 11:30:48,553 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-17 11:30:48,810 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:49,056 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:49,789 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:50,032 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:50,266 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-17 11:30:51,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:51,507 INFO L93 Difference]: Finished difference Result 849 states and 1066 transitions. [2020-07-17 11:30:51,508 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-17 11:30:51,508 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2020-07-17 11:30:51,509 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:51,513 INFO L225 Difference]: With dead ends: 849 [2020-07-17 11:30:51,514 INFO L226 Difference]: Without dead ends: 500 [2020-07-17 11:30:51,516 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=114, Invalid=348, Unknown=0, NotChecked=0, Total=462 [2020-07-17 11:30:51,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 500 states. [2020-07-17 11:30:51,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 500 to 385. [2020-07-17 11:30:51,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 385 states. [2020-07-17 11:30:51,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 385 states to 385 states and 435 transitions. [2020-07-17 11:30:51,647 INFO L78 Accepts]: Start accepts. Automaton has 385 states and 435 transitions. Word has length 89 [2020-07-17 11:30:51,648 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:51,648 INFO L479 AbstractCegarLoop]: Abstraction has 385 states and 435 transitions. [2020-07-17 11:30:51,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-07-17 11:30:51,648 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 435 transitions. [2020-07-17 11:30:51,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2020-07-17 11:30:51,650 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:51,650 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:51,650 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-17 11:30:51,650 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:51,650 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:51,651 INFO L82 PathProgramCache]: Analyzing trace with hash 716293829, now seen corresponding path program 1 times [2020-07-17 11:30:51,651 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:51,651 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1477107935] [2020-07-17 11:30:51,651 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:51,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:51,902 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:51,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:51,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:51,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:51,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:51,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:52,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:52,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:52,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:52,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:52,037 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:52,037 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1477107935] [2020-07-17 11:30:52,038 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:52,038 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:30:52,038 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1649255729] [2020-07-17 11:30:52,039 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:30:52,039 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:52,039 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:30:52,039 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:30:52,039 INFO L87 Difference]: Start difference. First operand 385 states and 435 transitions. Second operand 8 states. [2020-07-17 11:30:52,420 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:52,984 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:55,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:55,445 INFO L93 Difference]: Finished difference Result 1197 states and 1553 transitions. [2020-07-17 11:30:55,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-07-17 11:30:55,447 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 89 [2020-07-17 11:30:55,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:55,452 INFO L225 Difference]: With dead ends: 1197 [2020-07-17 11:30:55,453 INFO L226 Difference]: Without dead ends: 840 [2020-07-17 11:30:55,455 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 36 SyntacticMatches, 3 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=148, Invalid=404, Unknown=0, NotChecked=0, Total=552 [2020-07-17 11:30:55,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 840 states. [2020-07-17 11:30:55,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 840 to 695. [2020-07-17 11:30:55,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2020-07-17 11:30:55,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 813 transitions. [2020-07-17 11:30:55,604 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 813 transitions. Word has length 89 [2020-07-17 11:30:55,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:55,605 INFO L479 AbstractCegarLoop]: Abstraction has 695 states and 813 transitions. [2020-07-17 11:30:55,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:30:55,605 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 813 transitions. [2020-07-17 11:30:55,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2020-07-17 11:30:55,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:55,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-17 11:30:55,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-07-17 11:30:55,608 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:55,608 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:55,608 INFO L82 PathProgramCache]: Analyzing trace with hash -7624597, now seen corresponding path program 1 times [2020-07-17 11:30:55,608 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:55,609 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1920604084] [2020-07-17 11:30:55,609 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:55,990 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:55,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:56,110 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:30:56,110 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1920604084] [2020-07-17 11:30:56,111 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-17 11:30:56,111 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-17 11:30:56,111 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [230820611] [2020-07-17 11:30:56,112 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-17 11:30:56,112 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:30:56,113 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-17 11:30:56,113 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-17 11:30:56,113 INFO L87 Difference]: Start difference. First operand 695 states and 813 transitions. Second operand 8 states. [2020-07-17 11:30:56,719 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-07-17 11:30:59,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:30:59,437 INFO L93 Difference]: Finished difference Result 1377 states and 1783 transitions. [2020-07-17 11:30:59,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-07-17 11:30:59,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 93 [2020-07-17 11:30:59,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:30:59,447 INFO L225 Difference]: With dead ends: 1377 [2020-07-17 11:30:59,447 INFO L226 Difference]: Without dead ends: 1374 [2020-07-17 11:30:59,449 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 200 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=212, Invalid=544, Unknown=0, NotChecked=0, Total=756 [2020-07-17 11:30:59,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1374 states. [2020-07-17 11:30:59,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1374 to 1147. [2020-07-17 11:30:59,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1147 states. [2020-07-17 11:30:59,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 1147 states and 1356 transitions. [2020-07-17 11:30:59,652 INFO L78 Accepts]: Start accepts. Automaton has 1147 states and 1356 transitions. Word has length 93 [2020-07-17 11:30:59,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:30:59,652 INFO L479 AbstractCegarLoop]: Abstraction has 1147 states and 1356 transitions. [2020-07-17 11:30:59,652 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-17 11:30:59,653 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1356 transitions. [2020-07-17 11:30:59,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2020-07-17 11:30:59,656 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:30:59,657 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-17 11:30:59,657 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-07-17 11:30:59,657 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:30:59,658 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:30:59,658 INFO L82 PathProgramCache]: Analyzing trace with hash 1116069495, now seen corresponding path program 1 times [2020-07-17 11:30:59,658 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:30:59,658 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773161165] [2020-07-17 11:30:59,659 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:30:59,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:59,971 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:30:59,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:59,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:30:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 21 proven. 7 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-17 11:31:00,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1773161165] [2020-07-17 11:31:00,291 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469005524] [2020-07-17 11:31:00,292 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:31:00,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:00,513 INFO L264 TraceCheckSpWp]: Trace formula consists of 929 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-17 11:31:00,528 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:31:00,585 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:31:00,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:31:00,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [13] total 13 [2020-07-17 11:31:00,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [733348181] [2020-07-17 11:31:00,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-17 11:31:00,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:31:00,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-17 11:31:00,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:31:00,588 INFO L87 Difference]: Start difference. First operand 1147 states and 1356 transitions. Second operand 3 states. [2020-07-17 11:31:01,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:31:01,075 INFO L93 Difference]: Finished difference Result 1935 states and 2323 transitions. [2020-07-17 11:31:01,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-17 11:31:01,076 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 152 [2020-07-17 11:31:01,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:31:01,084 INFO L225 Difference]: With dead ends: 1935 [2020-07-17 11:31:01,084 INFO L226 Difference]: Without dead ends: 948 [2020-07-17 11:31:01,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=32, Invalid=124, Unknown=0, NotChecked=0, Total=156 [2020-07-17 11:31:01,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 948 states. [2020-07-17 11:31:01,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 948 to 948. [2020-07-17 11:31:01,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 948 states. [2020-07-17 11:31:01,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 948 states and 1106 transitions. [2020-07-17 11:31:01,389 INFO L78 Accepts]: Start accepts. Automaton has 948 states and 1106 transitions. Word has length 152 [2020-07-17 11:31:01,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:31:01,391 INFO L479 AbstractCegarLoop]: Abstraction has 948 states and 1106 transitions. [2020-07-17 11:31:01,391 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-17 11:31:01,391 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1106 transitions. [2020-07-17 11:31:01,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-17 11:31:01,395 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:31:01,395 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-17 11:31:01,608 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-17 11:31:01,609 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:31:01,609 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:31:01,609 INFO L82 PathProgramCache]: Analyzing trace with hash -1764550393, now seen corresponding path program 1 times [2020-07-17 11:31:01,610 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:31:01,610 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [610600311] [2020-07-17 11:31:01,610 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:31:01,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:01,986 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:31:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 5 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-17 11:31:02,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [610600311] [2020-07-17 11:31:02,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [249931787] [2020-07-17 11:31:02,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:31:02,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:02,477 INFO L264 TraceCheckSpWp]: Trace formula consists of 930 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-17 11:31:02,484 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:31:02,607 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-17 11:31:02,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:31:02,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [15] total 19 [2020-07-17 11:31:02,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611440604] [2020-07-17 11:31:02,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-17 11:31:02,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:31:02,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-17 11:31:02,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=283, Unknown=0, NotChecked=0, Total=342 [2020-07-17 11:31:02,609 INFO L87 Difference]: Start difference. First operand 948 states and 1106 transitions. Second operand 9 states. [2020-07-17 11:31:04,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:31:04,118 INFO L93 Difference]: Finished difference Result 2574 states and 3363 transitions. [2020-07-17 11:31:04,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-17 11:31:04,119 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 154 [2020-07-17 11:31:04,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:31:04,132 INFO L225 Difference]: With dead ends: 2574 [2020-07-17 11:31:04,132 INFO L226 Difference]: Without dead ends: 1786 [2020-07-17 11:31:04,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 199 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 135 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=111, Invalid=539, Unknown=0, NotChecked=0, Total=650 [2020-07-17 11:31:04,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1786 states. [2020-07-17 11:31:04,485 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1786 to 1410. [2020-07-17 11:31:04,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1410 states. [2020-07-17 11:31:04,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1410 states to 1410 states and 1641 transitions. [2020-07-17 11:31:04,491 INFO L78 Accepts]: Start accepts. Automaton has 1410 states and 1641 transitions. Word has length 154 [2020-07-17 11:31:04,491 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:31:04,492 INFO L479 AbstractCegarLoop]: Abstraction has 1410 states and 1641 transitions. [2020-07-17 11:31:04,492 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-17 11:31:04,492 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1641 transitions. [2020-07-17 11:31:04,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2020-07-17 11:31:04,495 INFO L414 BasicCegarLoop]: Found error trace [2020-07-17 11:31:04,496 INFO L422 BasicCegarLoop]: trace histogram [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, 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] [2020-07-17 11:31:04,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2020-07-17 11:31:04,709 INFO L427 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-17 11:31:04,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-17 11:31:04,710 INFO L82 PathProgramCache]: Analyzing trace with hash -1836936951, now seen corresponding path program 1 times [2020-07-17 11:31:04,710 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-17 11:31:04,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227043003] [2020-07-17 11:31:04,711 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-17 11:31:04,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,024 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-17 11:31:05,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,248 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-17 11:31:05,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227043003] [2020-07-17 11:31:05,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1935715729] [2020-07-17 11:31:05,249 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-17 11:31:05,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-17 11:31:05,449 INFO L264 TraceCheckSpWp]: Trace formula consists of 931 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-17 11:31:05,454 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2020-07-17 11:31:05,477 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-17 11:31:05,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-17 11:31:05,478 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [15] total 15 [2020-07-17 11:31:05,478 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422015507] [2020-07-17 11:31:05,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-17 11:31:05,479 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-07-17 11:31:05,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-17 11:31:05,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=175, Unknown=0, NotChecked=0, Total=210 [2020-07-17 11:31:05,480 INFO L87 Difference]: Start difference. First operand 1410 states and 1641 transitions. Second operand 6 states. [2020-07-17 11:31:05,639 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-17 11:31:05,639 INFO L93 Difference]: Finished difference Result 1959 states and 2277 transitions. [2020-07-17 11:31:05,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-17 11:31:05,640 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 154 [2020-07-17 11:31:05,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-17 11:31:05,641 INFO L225 Difference]: With dead ends: 1959 [2020-07-17 11:31:05,641 INFO L226 Difference]: Without dead ends: 0 [2020-07-17 11:31:05,646 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=39, Invalid=201, Unknown=0, NotChecked=0, Total=240 [2020-07-17 11:31:05,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-17 11:31:05,646 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-17 11:31:05,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-17 11:31:05,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-17 11:31:05,647 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 154 [2020-07-17 11:31:05,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-17 11:31:05,647 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-17 11:31:05,648 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-17 11:31:05,648 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-17 11:31:05,648 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-17 11:31:05,862 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2020-07-17 11:31:05,865 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-17 11:31:07,792 WARN L193 SmtUtils]: Spent 1.30 s on a formula simplification. DAG size of input: 339 DAG size of output: 305 [2020-07-17 11:31:09,830 WARN L193 SmtUtils]: Spent 748.00 ms on a formula simplification. DAG size of input: 352 DAG size of output: 313 [2020-07-17 11:31:11,390 WARN L193 SmtUtils]: Spent 641.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 313 [2020-07-17 11:31:12,336 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 284 [2020-07-17 11:31:12,797 WARN L193 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 314 DAG size of output: 284 [2020-07-17 11:31:13,513 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 22 [2020-07-17 11:31:13,696 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:31:13,898 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-17 11:31:14,354 WARN L193 SmtUtils]: Spent 449.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 24 [2020-07-17 11:31:14,545 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:31:14,747 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-17 11:31:16,403 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 254 DAG size of output: 35 [2020-07-17 11:31:16,986 WARN L193 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-17 11:31:17,384 WARN L193 SmtUtils]: Spent 396.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 187 [2020-07-17 11:31:17,966 WARN L193 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 22 [2020-07-17 11:31:18,545 WARN L193 SmtUtils]: Spent 574.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 32 [2020-07-17 11:31:18,903 WARN L193 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2020-07-17 11:31:19,078 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 1 [2020-07-17 11:31:19,594 WARN L193 SmtUtils]: Spent 511.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 25 [2020-07-17 11:31:19,941 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 18 [2020-07-17 11:31:20,677 WARN L193 SmtUtils]: Spent 731.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 20 [2020-07-17 11:31:20,878 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-07-17 11:31:21,419 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 24 [2020-07-17 11:31:21,801 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 21 [2020-07-17 11:31:21,999 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 31 [2020-07-17 11:31:22,916 WARN L193 SmtUtils]: Spent 911.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 36 [2020-07-17 11:31:23,088 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-17 11:31:24,647 WARN L193 SmtUtils]: Spent 1.56 s on a formula simplification. DAG size of input: 262 DAG size of output: 34 [2020-07-17 11:31:25,003 WARN L193 SmtUtils]: Spent 352.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 17 [2020-07-17 11:31:25,195 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-17 11:31:25,578 WARN L193 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 21 [2020-07-17 11:31:25,951 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 14 [2020-07-17 11:31:26,141 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-17 11:31:26,683 WARN L193 SmtUtils]: Spent 537.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 30 [2020-07-17 11:31:26,859 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 20 [2020-07-17 11:31:27,031 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:31:27,220 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-17 11:31:27,629 WARN L193 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 29 [2020-07-17 11:31:27,806 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 1 [2020-07-17 11:31:27,982 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-17 11:31:28,172 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-17 11:31:28,725 WARN L193 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-17 11:31:28,914 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 29 [2020-07-17 11:31:29,136 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-17 11:31:30,693 WARN L193 SmtUtils]: Spent 1.54 s on a formula simplification. DAG size of input: 262 DAG size of output: 34 [2020-07-17 11:31:31,039 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 13 [2020-07-17 11:31:31,468 WARN L193 SmtUtils]: Spent 425.00 ms on a formula simplification. DAG size of input: 177 DAG size of output: 34 [2020-07-17 11:31:31,641 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-07-17 11:31:32,884 WARN L193 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 228 DAG size of output: 34 [2020-07-17 11:31:34,115 WARN L193 SmtUtils]: Spent 1.23 s on a formula simplification. DAG size of input: 228 DAG size of output: 34 [2020-07-17 11:31:34,634 WARN L193 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 168 DAG size of output: 25 [2020-07-17 11:31:34,644 INFO L268 CegarLoopResult]: For program point L705(lines 682 706) no Hoare annotation was computed. [2020-07-17 11:31:34,644 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 658 713) no Hoare annotation was computed. [2020-07-17 11:31:34,644 INFO L268 CegarLoopResult]: For program point L689(lines 689 693) no Hoare annotation was computed. [2020-07-17 11:31:34,645 INFO L268 CegarLoopResult]: For program point L689-1(lines 689 693) no Hoare annotation was computed. [2020-07-17 11:31:34,645 INFO L268 CegarLoopResult]: For program point L684(line 684) no Hoare annotation was computed. [2020-07-17 11:31:34,645 INFO L268 CegarLoopResult]: For program point L683-2(lines 683 704) no Hoare annotation was computed. [2020-07-17 11:31:34,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 658 713) no Hoare annotation was computed. [2020-07-17 11:31:34,645 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 658 713) no Hoare annotation was computed. [2020-07-17 11:31:34,645 INFO L268 CegarLoopResult]: For program point L766(lines 739 767) no Hoare annotation was computed. [2020-07-17 11:31:34,645 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-17 11:31:34,646 INFO L268 CegarLoopResult]: For program point L759-1(line 759) no Hoare annotation was computed. [2020-07-17 11:31:34,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 714 773) no Hoare annotation was computed. [2020-07-17 11:31:34,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 714 773) no Hoare annotation was computed. [2020-07-17 11:31:34,646 INFO L268 CegarLoopResult]: For program point L746(lines 746 750) no Hoare annotation was computed. [2020-07-17 11:31:34,646 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 714 773) no Hoare annotation was computed. [2020-07-17 11:31:34,646 INFO L268 CegarLoopResult]: For program point L746-1(lines 746 750) no Hoare annotation was computed. [2020-07-17 11:31:34,646 INFO L268 CegarLoopResult]: For program point L741(line 741) no Hoare annotation was computed. [2020-07-17 11:31:34,646 INFO L268 CegarLoopResult]: For program point L740-2(lines 740 765) no Hoare annotation was computed. [2020-07-17 11:31:34,647 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-17 11:31:34,647 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-17 11:31:34,647 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-17 11:31:34,647 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-17 11:31:34,647 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-17 11:31:34,647 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 157 179) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-17 11:31:34,648 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 157 179) no Hoare annotation was computed. [2020-07-17 11:31:34,648 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 157 179) no Hoare annotation was computed. [2020-07-17 11:31:34,648 INFO L264 CegarLoopResult]: At program point L169(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:34,648 INFO L264 CegarLoopResult]: At program point L169-1(line 169) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methAndRunningLastTime~0) (= 1 main_~tmp~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:34,648 INFO L268 CegarLoopResult]: For program point L167(lines 167 174) no Hoare annotation was computed. [2020-07-17 11:31:34,648 INFO L268 CegarLoopResult]: For program point L167-1(lines 167 174) no Hoare annotation was computed. [2020-07-17 11:31:34,648 INFO L268 CegarLoopResult]: For program point L165(line 165) no Hoare annotation was computed. [2020-07-17 11:31:34,649 INFO L264 CegarLoopResult]: At program point L164(line 164) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-17 11:31:34,649 INFO L264 CegarLoopResult]: At program point L163(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-17 11:31:34,649 INFO L264 CegarLoopResult]: At program point L163-1(line 163) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-17 11:31:34,649 INFO L268 CegarLoopResult]: For program point L129(line 129) no Hoare annotation was computed. [2020-07-17 11:31:34,649 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-17 11:31:34,649 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 113 136) no Hoare annotation was computed. [2020-07-17 11:31:34,649 INFO L268 CegarLoopResult]: For program point L127(line 127) no Hoare annotation was computed. [2020-07-17 11:31:34,650 INFO L268 CegarLoopResult]: For program point L126(line 126) no Hoare annotation was computed. [2020-07-17 11:31:34,650 INFO L268 CegarLoopResult]: For program point L125(line 125) no Hoare annotation was computed. [2020-07-17 11:31:34,650 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 113 136) no Hoare annotation was computed. [2020-07-17 11:31:34,650 INFO L268 CegarLoopResult]: For program point L124(line 124) no Hoare annotation was computed. [2020-07-17 11:31:34,650 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 113 136) no Hoare annotation was computed. [2020-07-17 11:31:34,650 INFO L268 CegarLoopResult]: For program point L123(line 123) no Hoare annotation was computed. [2020-07-17 11:31:34,650 INFO L268 CegarLoopResult]: For program point L122(line 122) no Hoare annotation was computed. [2020-07-17 11:31:34,650 INFO L268 CegarLoopResult]: For program point L121(line 121) no Hoare annotation was computed. [2020-07-17 11:31:34,650 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-07-17 11:31:34,651 INFO L268 CegarLoopResult]: For program point L119(line 119) no Hoare annotation was computed. [2020-07-17 11:31:34,651 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-17 11:31:34,651 INFO L268 CegarLoopResult]: For program point L131(line 131) no Hoare annotation was computed. [2020-07-17 11:31:34,651 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-17 11:31:34,651 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 447 455) no Hoare annotation was computed. [2020-07-17 11:31:34,651 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 447 455) the Hoare annotation is: true [2020-07-17 11:31:34,651 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 447 455) no Hoare annotation was computed. [2020-07-17 11:31:34,651 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 511 529) the Hoare annotation is: true [2020-07-17 11:31:34,651 INFO L268 CegarLoopResult]: For program point L520(lines 520 524) no Hoare annotation was computed. [2020-07-17 11:31:34,652 INFO L271 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: true [2020-07-17 11:31:34,652 INFO L268 CegarLoopResult]: For program point L520-2(lines 520 524) no Hoare annotation was computed. [2020-07-17 11:31:34,652 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 511 529) no Hoare annotation was computed. [2020-07-17 11:31:34,652 INFO L268 CegarLoopResult]: For program point L518-1(line 518) no Hoare annotation was computed. [2020-07-17 11:31:34,652 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 511 529) no Hoare annotation was computed. [2020-07-17 11:31:34,652 INFO L268 CegarLoopResult]: For program point L475(lines 475 483) no Hoare annotation was computed. [2020-07-17 11:31:34,652 INFO L268 CegarLoopResult]: For program point L475-2(lines 475 483) no Hoare annotation was computed. [2020-07-17 11:31:34,652 INFO L268 CegarLoopResult]: For program point L463(lines 463 471) no Hoare annotation was computed. [2020-07-17 11:31:34,652 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 456 491) no Hoare annotation was computed. [2020-07-17 11:31:34,653 INFO L268 CegarLoopResult]: For program point L463-2(lines 463 471) no Hoare annotation was computed. [2020-07-17 11:31:34,653 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 456 491) no Hoare annotation was computed. [2020-07-17 11:31:34,653 INFO L268 CegarLoopResult]: For program point L486(line 486) no Hoare annotation was computed. [2020-07-17 11:31:34,653 INFO L268 CegarLoopResult]: For program point L486-1(line 486) no Hoare annotation was computed. [2020-07-17 11:31:34,653 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 456 491) no Hoare annotation was computed. [2020-07-17 11:31:34,653 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-17 11:31:34,653 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-17 11:31:34,653 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 612 657) no Hoare annotation was computed. [2020-07-17 11:31:34,653 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 612 657) no Hoare annotation was computed. [2020-07-17 11:31:34,654 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 612 657) no Hoare annotation was computed. [2020-07-17 11:31:34,654 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 925 970) no Hoare annotation was computed. [2020-07-17 11:31:34,654 INFO L268 CegarLoopResult]: For program point L945(lines 945 952) no Hoare annotation was computed. [2020-07-17 11:31:34,654 INFO L268 CegarLoopResult]: For program point L939(lines 939 959) no Hoare annotation was computed. [2020-07-17 11:31:34,654 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 925 970) no Hoare annotation was computed. [2020-07-17 11:31:34,654 INFO L268 CegarLoopResult]: For program point L939-1(lines 939 959) no Hoare annotation was computed. [2020-07-17 11:31:34,654 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 925 970) no Hoare annotation was computed. [2020-07-17 11:31:34,655 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 146 156) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-17 11:31:34,655 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 146 156) no Hoare annotation was computed. [2020-07-17 11:31:34,655 INFO L264 CegarLoopResult]: At program point L151(line 151) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-17 11:31:34,655 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 146 156) no Hoare annotation was computed. [2020-07-17 11:31:34,655 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 436 446) no Hoare annotation was computed. [2020-07-17 11:31:34,656 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 436 446) no Hoare annotation was computed. [2020-07-17 11:31:34,656 INFO L268 CegarLoopResult]: For program point L441(line 441) no Hoare annotation was computed. [2020-07-17 11:31:34,657 INFO L268 CegarLoopResult]: For program point L441-1(line 441) no Hoare annotation was computed. [2020-07-17 11:31:34,657 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 436 446) no Hoare annotation was computed. [2020-07-17 11:31:34,657 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 428 435) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0))) [2020-07-17 11:31:34,657 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 428 435) no Hoare annotation was computed. [2020-07-17 11:31:34,657 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 428 435) no Hoare annotation was computed. [2020-07-17 11:31:34,657 INFO L268 CegarLoopResult]: For program point L311(lines 311 317) no Hoare annotation was computed. [2020-07-17 11:31:34,657 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 307 320) no Hoare annotation was computed. [2020-07-17 11:31:34,658 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 307 320) the Hoare annotation is: true [2020-07-17 11:31:34,658 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 307 320) no Hoare annotation was computed. [2020-07-17 11:31:34,658 INFO L264 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-17 11:31:34,658 INFO L268 CegarLoopResult]: For program point L414-1(lines 395 419) no Hoare annotation was computed. [2020-07-17 11:31:34,658 INFO L264 CegarLoopResult]: At program point L409(line 409) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:31:34,658 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 395 419) no Hoare annotation was computed. [2020-07-17 11:31:34,658 INFO L264 CegarLoopResult]: At program point L405(line 405) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= 1 processEnvironment_~tmp~3)) .cse1))) [2020-07-17 11:31:34,659 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 395 419) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) .cse1))) [2020-07-17 11:31:34,659 INFO L268 CegarLoopResult]: For program point L403(lines 403 411) no Hoare annotation was computed. [2020-07-17 11:31:34,659 INFO L264 CegarLoopResult]: At program point L401(line 401) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-17 11:31:34,659 INFO L268 CegarLoopResult]: For program point L401-1(line 401) no Hoare annotation was computed. [2020-07-17 11:31:34,659 INFO L268 CegarLoopResult]: For program point L399(lines 399 416) no Hoare annotation was computed. [2020-07-17 11:31:34,659 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 361 367) no Hoare annotation was computed. [2020-07-17 11:31:34,659 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 361 367) the Hoare annotation is: true [2020-07-17 11:31:34,659 INFO L264 CegarLoopResult]: At program point testENTRY(lines 539 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0))) [2020-07-17 11:31:34,660 INFO L268 CegarLoopResult]: For program point testFINAL(lines 539 604) no Hoare annotation was computed. [2020-07-17 11:31:34,660 INFO L264 CegarLoopResult]: At program point L597(lines 548 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-17 11:31:34,660 INFO L268 CegarLoopResult]: For program point L587(lines 587 591) no Hoare annotation was computed. [2020-07-17 11:31:34,660 INFO L264 CegarLoopResult]: At program point L587-2(lines 579 592) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:34,660 INFO L268 CegarLoopResult]: For program point L550(lines 549 596) no Hoare annotation was computed. [2020-07-17 11:31:34,660 INFO L264 CegarLoopResult]: At program point L581(line 581) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:34,660 INFO L268 CegarLoopResult]: For program point L579(lines 579 592) no Hoare annotation was computed. [2020-07-17 11:31:34,661 INFO L264 CegarLoopResult]: At program point L571(line 571) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:34,661 INFO L268 CegarLoopResult]: For program point L569(lines 569 575) no Hoare annotation was computed. [2020-07-17 11:31:34,661 INFO L268 CegarLoopResult]: For program point L569-1(lines 569 575) no Hoare annotation was computed. [2020-07-17 11:31:34,661 INFO L264 CegarLoopResult]: At program point L594(lines 549 596) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:34,661 INFO L264 CegarLoopResult]: At program point L561(line 561) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 1 ~systemActive~0))) (or (and (= 0 ~methAndRunningLastTime~0) .cse0 (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) .cse1) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 (<= 1 ~pumpRunning~0)) (not (= 1 |old(~waterLevel~0)|)))) [2020-07-17 11:31:34,661 INFO L268 CegarLoopResult]: For program point L559(lines 559 565) no Hoare annotation was computed. [2020-07-17 11:31:34,661 INFO L268 CegarLoopResult]: For program point L559-1(lines 559 565) no Hoare annotation was computed. [2020-07-17 11:31:34,662 INFO L268 CegarLoopResult]: For program point L551(lines 551 555) no Hoare annotation was computed. [2020-07-17 11:31:34,662 INFO L268 CegarLoopResult]: For program point testEXIT(lines 539 604) no Hoare annotation was computed. [2020-07-17 11:31:34,662 INFO L268 CegarLoopResult]: For program point L893(lines 893 913) no Hoare annotation was computed. [2020-07-17 11:31:34,662 INFO L268 CegarLoopResult]: For program point L893-1(lines 893 913) no Hoare annotation was computed. [2020-07-17 11:31:34,662 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 879 924) no Hoare annotation was computed. [2020-07-17 11:31:34,662 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 879 924) no Hoare annotation was computed. [2020-07-17 11:31:34,662 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 879 924) no Hoare annotation was computed. [2020-07-17 11:31:34,662 INFO L268 CegarLoopResult]: For program point L899(lines 899 906) no Hoare annotation was computed. [2020-07-17 11:31:34,662 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 321 329) no Hoare annotation was computed. [2020-07-17 11:31:34,662 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 321 329) the Hoare annotation is: true [2020-07-17 11:31:34,663 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 321 329) no Hoare annotation was computed. [2020-07-17 11:31:34,663 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 193 221) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0))) [2020-07-17 11:31:34,663 INFO L264 CegarLoopResult]: At program point L208(line 208) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) .cse0))) [2020-07-17 11:31:34,663 INFO L268 CegarLoopResult]: For program point L206(lines 206 212) no Hoare annotation was computed. [2020-07-17 11:31:34,663 INFO L268 CegarLoopResult]: For program point L205(lines 205 215) no Hoare annotation was computed. [2020-07-17 11:31:34,663 INFO L264 CegarLoopResult]: At program point L203(line 203) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse4 (not (<= 1 ~waterLevel~0))) (.cse6 (not (= 0 ~pumpRunning~0))) (.cse3 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse3) (or .cse0 .cse5 .cse1 .cse2 .cse3) (or .cse4 .cse6 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse3))) [2020-07-17 11:31:34,663 INFO L268 CegarLoopResult]: For program point L203-1(line 203) no Hoare annotation was computed. [2020-07-17 11:31:34,664 INFO L268 CegarLoopResult]: For program point L201(lines 201 218) no Hoare annotation was computed. [2020-07-17 11:31:34,664 INFO L268 CegarLoopResult]: For program point L201-1(lines 193 221) no Hoare annotation was computed. [2020-07-17 11:31:34,664 INFO L264 CegarLoopResult]: At program point L199(line 199) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse0) (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) .cse0))) [2020-07-17 11:31:34,664 INFO L268 CegarLoopResult]: For program point L199-1(line 199) no Hoare annotation was computed. [2020-07-17 11:31:34,664 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 193 221) no Hoare annotation was computed. [2020-07-17 11:31:34,664 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 185 192) the Hoare annotation is: (or (= 0 ~methAndRunningLastTime~0) (not (= 1 ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:31:34,664 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 185 192) no Hoare annotation was computed. [2020-07-17 11:31:34,664 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 185 192) no Hoare annotation was computed. [2020-07-17 11:31:34,664 INFO L268 CegarLoopResult]: For program point L283(lines 283 291) no Hoare annotation was computed. [2020-07-17 11:31:34,665 INFO L268 CegarLoopResult]: For program point L283-2(lines 283 291) no Hoare annotation was computed. [2020-07-17 11:31:34,665 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 275 297) no Hoare annotation was computed. [2020-07-17 11:31:34,665 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 275 297) no Hoare annotation was computed. [2020-07-17 11:31:34,665 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 275 297) no Hoare annotation was computed. [2020-07-17 11:31:34,665 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-17 11:31:34,665 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-17 11:31:34,665 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-17 11:31:34,665 INFO L268 CegarLoopResult]: For program point L865(lines 865 872) no Hoare annotation was computed. [2020-07-17 11:31:34,665 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 776 878) no Hoare annotation was computed. [2020-07-17 11:31:34,665 INFO L268 CegarLoopResult]: For program point L826(lines 825 845) no Hoare annotation was computed. [2020-07-17 11:31:34,666 INFO L268 CegarLoopResult]: For program point L857(line 857) no Hoare annotation was computed. [2020-07-17 11:31:34,666 INFO L268 CegarLoopResult]: For program point L857-1(line 857) no Hoare annotation was computed. [2020-07-17 11:31:34,666 INFO L268 CegarLoopResult]: For program point L822(lines 822 863) no Hoare annotation was computed. [2020-07-17 11:31:34,666 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-07-17 11:31:34,666 INFO L268 CegarLoopResult]: For program point L841-1(line 841) no Hoare annotation was computed. [2020-07-17 11:31:34,666 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 776 878) no Hoare annotation was computed. [2020-07-17 11:31:34,666 INFO L268 CegarLoopResult]: For program point L800(lines 800 804) no Hoare annotation was computed. [2020-07-17 11:31:34,667 INFO L268 CegarLoopResult]: For program point L864(lines 864 875) no Hoare annotation was computed. [2020-07-17 11:31:34,667 INFO L268 CegarLoopResult]: For program point L827(lines 827 831) no Hoare annotation was computed. [2020-07-17 11:31:34,668 INFO L268 CegarLoopResult]: For program point L825-2(lines 825 845) no Hoare annotation was computed. [2020-07-17 11:31:34,668 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 776 878) no Hoare annotation was computed. [2020-07-17 11:31:34,668 INFO L268 CegarLoopResult]: For program point L846(lines 824 847) no Hoare annotation was computed. [2020-07-17 11:31:34,668 INFO L268 CegarLoopResult]: For program point L805(lines 805 821) no Hoare annotation was computed. [2020-07-17 11:31:34,668 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:31:34,668 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |old(#t~string11.base)| |#t~string11.base|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |#t~string71.base| |old(#t~string71.base)|) (= |old(#t~string24.offset)| |#t~string24.offset|) (= |old(#t~string71.offset)| |#t~string71.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0) (= |old(#t~string18.offset)| |#t~string18.offset|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |old(#t~string60.base)| |#t~string60.base|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string11.offset)| |#t~string11.offset|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string62.offset| |old(#t~string62.offset)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |old(#t~string7.base)| |#t~string7.base|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |old(#t~string26.offset)| |#t~string26.offset|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(#length)| |#length|) (= |#t~string62.base| |old(#t~string62.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |old(#t~string24.base)| |#t~string24.base|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |old(#t~string66.base)| |#t~string66.base|) (= |old(#t~string70.base)| |#t~string70.base|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-17 11:31:34,668 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:31:34,669 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 420 427) no Hoare annotation was computed. [2020-07-17 11:31:34,669 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 420 427) no Hoare annotation was computed. [2020-07-17 11:31:34,669 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 420 427) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) (not (= 1 ~systemActive~0))) [2020-07-17 11:31:34,669 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 298 306) no Hoare annotation was computed. [2020-07-17 11:31:34,669 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 298 306) no Hoare annotation was computed. [2020-07-17 11:31:34,669 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 298 306) no Hoare annotation was computed. [2020-07-17 11:31:34,669 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 492 510) no Hoare annotation was computed. [2020-07-17 11:31:34,669 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 492 510) the Hoare annotation is: true [2020-07-17 11:31:34,669 INFO L268 CegarLoopResult]: For program point L501(lines 501 505) no Hoare annotation was computed. [2020-07-17 11:31:34,670 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 492 510) no Hoare annotation was computed. [2020-07-17 11:31:34,670 INFO L271 CegarLoopResult]: At program point L499(line 499) the Hoare annotation is: true [2020-07-17 11:31:34,670 INFO L268 CegarLoopResult]: For program point L501-2(lines 501 505) no Hoare annotation was computed. [2020-07-17 11:31:34,670 INFO L268 CegarLoopResult]: For program point L499-1(line 499) no Hoare annotation was computed. [2020-07-17 11:31:34,670 INFO L268 CegarLoopResult]: For program point L258-1(lines 254 265) no Hoare annotation was computed. [2020-07-17 11:31:34,670 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 254 265) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0)) .cse1) (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) .cse0 (not (= 0 ~pumpRunning~0)) .cse1))) [2020-07-17 11:31:34,670 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 254 265) no Hoare annotation was computed. [2020-07-17 11:31:34,670 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:31:34,671 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-17 11:31:34,672 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:31:34,672 INFO L264 CegarLoopResult]: At program point L350(line 350) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= |old(~waterLevel~0)| ~waterLevel~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse0))) [2020-07-17 11:31:34,672 INFO L264 CegarLoopResult]: At program point L348(lines 348 354) the Hoare annotation is: (let ((.cse7 (= 0 ~pumpRunning~0)) (.cse3 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (and (= 0 ~methAndRunningLastTime~0) .cse7 .cse3)) (.cse4 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse6 (not (= 1 ~systemActive~0)))) (and (or .cse0 .cse1 .cse2 (and .cse3 .cse4 (<= 1 ~pumpRunning~0)) .cse5 .cse6) (or .cse0 .cse1 (not (= 1 |old(~waterLevel~0)|)) .cse5 .cse6) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse7 .cse4) .cse2 .cse6)))) [2020-07-17 11:31:34,673 INFO L264 CegarLoopResult]: At program point L343(line 343) the Hoare annotation is: (let ((.cse0 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 |old(~waterLevel~0)|)) .cse0) (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse0))) [2020-07-17 11:31:34,673 INFO L268 CegarLoopResult]: For program point L341(lines 340 359) no Hoare annotation was computed. [2020-07-17 11:31:34,673 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 337 360) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (<= 1 |old(~waterLevel~0)|)) .cse1))) [2020-07-17 11:31:34,673 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 337 360) no Hoare annotation was computed. [2020-07-17 11:31:34,673 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 337 360) no Hoare annotation was computed. [2020-07-17 11:31:34,673 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 80 109) no Hoare annotation was computed. [2020-07-17 11:31:34,673 INFO L268 CegarLoopResult]: For program point L94(lines 94 98) no Hoare annotation was computed. [2020-07-17 11:31:34,674 INFO L271 CegarLoopResult]: At program point L94-1(lines 94 98) the Hoare annotation is: true [2020-07-17 11:31:34,674 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 80 109) the Hoare annotation is: true [2020-07-17 11:31:34,674 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-17 11:31:34,674 INFO L271 CegarLoopResult]: At program point L90-2(lines 90 104) the Hoare annotation is: true [2020-07-17 11:31:34,674 INFO L271 CegarLoopResult]: At program point L86(line 86) the Hoare annotation is: true [2020-07-17 11:31:34,674 INFO L268 CegarLoopResult]: For program point L86-1(line 86) no Hoare annotation was computed. [2020-07-17 11:31:34,675 INFO L271 CegarLoopResult]: At program point L105(lines 80 109) the Hoare annotation is: true [2020-07-17 11:31:34,676 INFO L268 CegarLoopResult]: For program point L101(line 101) no Hoare annotation was computed. [2020-07-17 11:31:34,676 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 266 274) the Hoare annotation is: true [2020-07-17 11:31:34,676 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 266 274) no Hoare annotation was computed. [2020-07-17 11:31:34,677 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 266 274) no Hoare annotation was computed. [2020-07-17 11:31:34,677 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 230 241) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:31:34,677 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 230 241) no Hoare annotation was computed. [2020-07-17 11:31:34,677 INFO L268 CegarLoopResult]: For program point L234-1(lines 230 241) no Hoare annotation was computed. [2020-07-17 11:31:34,677 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 137 143) no Hoare annotation was computed. [2020-07-17 11:31:34,677 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 137 143) the Hoare annotation is: true [2020-07-17 11:31:34,677 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-17 11:31:34,677 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-17 11:31:34,677 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-17 11:31:34,678 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-17 11:31:34,678 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 530 537) no Hoare annotation was computed. [2020-07-17 11:31:34,678 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 530 537) the Hoare annotation is: (let ((.cse0 (= |old(~systemActive~0)| ~systemActive~0)) (.cse1 (not (= 1 |old(~systemActive~0)|)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) (not (<= 1 ~pumpRunning~0))))) [2020-07-17 11:31:34,678 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 530 537) no Hoare annotation was computed. [2020-07-17 11:31:34,678 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 369 393) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:31:34,678 INFO L264 CegarLoopResult]: At program point L383(line 383) the Hoare annotation is: (or (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~2) (= 0 ~pumpRunning~0)) (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:31:34,678 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 369 393) no Hoare annotation was computed. [2020-07-17 11:31:34,678 INFO L264 CegarLoopResult]: At program point L379(line 379) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 1 ~systemActive~0)))) (and (or .cse0 (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or .cse0 .cse1 (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0)) .cse2))) [2020-07-17 11:31:34,679 INFO L268 CegarLoopResult]: For program point L377(lines 377 385) no Hoare annotation was computed. [2020-07-17 11:31:34,679 INFO L264 CegarLoopResult]: At program point L375(line 375) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (= 1 ~systemActive~0))) [2020-07-17 11:31:34,679 INFO L268 CegarLoopResult]: For program point L375-1(line 375) no Hoare annotation was computed. [2020-07-17 11:31:34,679 INFO L268 CegarLoopResult]: For program point L373(lines 373 390) no Hoare annotation was computed. [2020-07-17 11:31:34,679 INFO L264 CegarLoopResult]: At program point L388(line 388) the Hoare annotation is: (or (not (= 0 ~methAndRunningLastTime~0)) (not (<= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0))) [2020-07-17 11:31:34,679 INFO L268 CegarLoopResult]: For program point L388-1(lines 369 393) no Hoare annotation was computed. [2020-07-17 11:31:34,679 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 242 253) no Hoare annotation was computed. [2020-07-17 11:31:34,679 INFO L268 CegarLoopResult]: For program point L246-1(lines 242 253) no Hoare annotation was computed. [2020-07-17 11:31:34,679 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 242 253) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (= 1 ~systemActive~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|)) .cse1) (or .cse0 (not (<= 1 ~pumpRunning~0)) (not (<= 2 |old(~waterLevel~0)|)) .cse1))) [2020-07-17 11:31:34,680 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 972 979) no Hoare annotation was computed. [2020-07-17 11:31:34,680 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 976) no Hoare annotation was computed. [2020-07-17 11:31:34,680 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 972 979) the Hoare annotation is: true [2020-07-17 11:31:34,680 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 972 979) no Hoare annotation was computed. [2020-07-17 11:31:34,706 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.07 11:31:34 BoogieIcfgContainer [2020-07-17 11:31:34,706 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-17 11:31:34,710 INFO L168 Benchmark]: Toolchain (without parser) took 70692.07 ms. Allocated memory was 143.7 MB in the beginning and 1.0 GB in the end (delta: 893.4 MB). Free memory was 100.9 MB in the beginning and 405.5 MB in the end (delta: -304.6 MB). Peak memory consumption was 883.8 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:34,713 INFO L168 Benchmark]: CDTParser took 0.46 ms. Allocated memory is still 143.7 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-17 11:31:34,714 INFO L168 Benchmark]: CACSL2BoogieTranslator took 653.63 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 167.2 MB in the end (delta: -66.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:34,714 INFO L168 Benchmark]: Boogie Preprocessor took 102.16 ms. Allocated memory is still 201.3 MB. Free memory was 167.2 MB in the beginning and 163.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:34,715 INFO L168 Benchmark]: RCFGBuilder took 1149.55 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 162.4 MB in the beginning and 191.6 MB in the end (delta: -29.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:34,716 INFO L168 Benchmark]: TraceAbstraction took 68780.15 ms. Allocated memory was 232.3 MB in the beginning and 1.0 GB in the end (delta: 804.8 MB). Free memory was 191.6 MB in the beginning and 405.5 MB in the end (delta: -213.9 MB). Peak memory consumption was 885.9 MB. Max. memory is 7.1 GB. [2020-07-17 11:31:34,726 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.46 ms. Allocated memory is still 143.7 MB. Free memory was 120.6 MB in the beginning and 120.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 653.63 ms. Allocated memory was 143.7 MB in the beginning and 201.3 MB in the end (delta: 57.7 MB). Free memory was 100.5 MB in the beginning and 167.2 MB in the end (delta: -66.8 MB). Peak memory consumption was 23.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.16 ms. Allocated memory is still 201.3 MB. Free memory was 167.2 MB in the beginning and 163.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1149.55 ms. Allocated memory was 201.3 MB in the beginning and 232.3 MB in the end (delta: 30.9 MB). Free memory was 162.4 MB in the beginning and 191.6 MB in the end (delta: -29.2 MB). Peak memory consumption was 83.2 MB. Max. memory is 7.1 GB. * TraceAbstraction took 68780.15 ms. Allocated memory was 232.3 MB in the beginning and 1.0 GB in the end (delta: 804.8 MB). Free memory was 191.6 MB in the beginning and 405.5 MB in the end (delta: -213.9 MB). Peak memory consumption was 885.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 976]: 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: 549]: Loop Invariant Derived loop invariant: (((((((((0 == methAndRunningLastTime && 0 == splverifierCounter) && 1 <= waterLevel) && 0 == pumpRunning) && 1 == systemActive) || !(0 == \old(pumpRunning))) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || (((2 <= waterLevel && 0 == splverifierCounter) && 1 == systemActive) && 1 <= pumpRunning)) || !(1 == \old(waterLevel)) - InvariantResult [Line: 90]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 80]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 548]: Loop Invariant Derived loop invariant: (((!(0 == \old(pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 244 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 39.8s, OverallIterations: 13, TraceHistogramMax: 2, AutomataDifference: 30.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 28.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1721 SDtfs, 3556 SDslu, 2146 SDs, 0 SdLazy, 7214 SolverSat, 2456 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 16.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1096 GetRequests, 879 SyntacticMatches, 8 SemanticMatches, 209 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 847 ImplicationChecksByTransitivity, 12.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1410occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 13 MinimizatonAttempts, 1309 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 2319 PreInvPairs, 2409 NumberOfFragments, 1728 HoareAnnotationTreeSize, 2319 FomulaSimplifications, 1095377333 FormulaSimplificationTreeSizeReduction, 7.0s HoareSimplificationTime, 62 FomulaSimplificationsInter, 41092531 FormulaSimplificationTreeSizeReductionInter, 21.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.7s InterpolantComputationTime, 1682 NumberOfCodeBlocks, 1682 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1666 ConstructedInterpolants, 0 QuantifiedInterpolants, 550205 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2790 ConjunctsInSsa, 25 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 241/254 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...