/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 --abstractinterpretationv2.abstract.domain IntervalDomain --traceabstraction.trace.refinement.strategy TAIPAN --traceabstraction.abstract.interpretation.mode USE_PREDICATES -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fb55353 [2019-11-07 00:59:30,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-07 00:59:30,546 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-07 00:59:30,558 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-07 00:59:30,558 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-07 00:59:30,560 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-07 00:59:30,561 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-07 00:59:30,563 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-07 00:59:30,565 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-07 00:59:30,566 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-07 00:59:30,567 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-07 00:59:30,568 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-07 00:59:30,568 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-07 00:59:30,569 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-07 00:59:30,570 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-07 00:59:30,572 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-07 00:59:30,572 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-07 00:59:30,573 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-07 00:59:30,575 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-07 00:59:30,578 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-07 00:59:30,579 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-07 00:59:30,581 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-07 00:59:30,582 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-07 00:59:30,583 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-07 00:59:30,586 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-07 00:59:30,586 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-07 00:59:30,587 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-07 00:59:30,588 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-07 00:59:30,588 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-07 00:59:30,589 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-07 00:59:30,589 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-07 00:59:30,590 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-07 00:59:30,591 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-07 00:59:30,592 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-07 00:59:30,593 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-07 00:59:30,593 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-07 00:59:30,594 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-07 00:59:30,594 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-07 00:59:30,595 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-07 00:59:30,596 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-07 00:59:30,596 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-07 00:59:30,597 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 [2019-11-07 00:59:30,621 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-07 00:59:30,621 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-07 00:59:30,622 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-07 00:59:30,623 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-07 00:59:30,624 INFO L138 SettingsManager]: * Use SBE=true [2019-11-07 00:59:30,624 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-07 00:59:30,624 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-07 00:59:30,624 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-07 00:59:30,624 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-07 00:59:30,625 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-07 00:59:30,625 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-07 00:59:30,625 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-07 00:59:30,625 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-07 00:59:30,625 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-07 00:59:30,625 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-07 00:59:30,627 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-07 00:59:30,627 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-07 00:59:30,627 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-07 00:59:30,628 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-07 00:59:30,628 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-07 00:59:30,628 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-07 00:59:30,629 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-07 00:59:30,629 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-07 00:59:30,630 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-07 00:59:30,630 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-07 00:59:30,630 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-07 00:59:30,630 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-07 00:59:30,630 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-07 00:59:30,631 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: Abstract domain -> IntervalDomain Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> TAIPAN Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Abstract interpretation Mode -> USE_PREDICATES [2019-11-07 00:59:30,916 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-07 00:59:30,940 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-07 00:59:30,943 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-07 00:59:30,945 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-07 00:59:30,945 INFO L275 PluginConnector]: CDTParser initialized [2019-11-07 00:59:30,946 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2019-11-07 00:59:31,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968c32a1d/c984c39aa0d44062aa4e758dd30c89dd/FLAG12b8140bf [2019-11-07 00:59:31,538 INFO L306 CDTParser]: Found 1 translation units. [2019-11-07 00:59:31,539 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product45.cil.c [2019-11-07 00:59:31,563 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968c32a1d/c984c39aa0d44062aa4e758dd30c89dd/FLAG12b8140bf [2019-11-07 00:59:31,878 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/968c32a1d/c984c39aa0d44062aa4e758dd30c89dd [2019-11-07 00:59:31,886 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-07 00:59:31,887 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-11-07 00:59:31,888 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-07 00:59:31,888 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-07 00:59:31,892 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-07 00:59:31,893 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:31" (1/1) ... [2019-11-07 00:59:31,896 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10591731 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:31, skipping insertion in model container [2019-11-07 00:59:31,896 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.11 12:59:31" (1/1) ... [2019-11-07 00:59:31,904 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-07 00:59:31,949 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-07 00:59:32,433 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:59:32,458 INFO L188 MainTranslator]: Completed pre-run [2019-11-07 00:59:32,556 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-07 00:59:32,595 INFO L192 MainTranslator]: Completed translation [2019-11-07 00:59:32,595 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32 WrapperNode [2019-11-07 00:59:32,595 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-07 00:59:32,596 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-07 00:59:32,596 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-07 00:59:32,596 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-07 00:59:32,610 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32" (1/1) ... [2019-11-07 00:59:32,610 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32" (1/1) ... [2019-11-07 00:59:32,630 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32" (1/1) ... [2019-11-07 00:59:32,630 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32" (1/1) ... [2019-11-07 00:59:32,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32" (1/1) ... [2019-11-07 00:59:32,669 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32" (1/1) ... [2019-11-07 00:59:32,674 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32" (1/1) ... [2019-11-07 00:59:32,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-07 00:59:32,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-07 00:59:32,684 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-07 00:59:32,684 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-07 00:59:32,687 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32" (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 [2019-11-07 00:59:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-11-07 00:59:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-07 00:59:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-11-07 00:59:32,762 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-11-07 00:59:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-11-07 00:59:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-11-07 00:59:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-11-07 00:59:32,763 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-11-07 00:59:32,766 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-11-07 00:59:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-11-07 00:59:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-11-07 00:59:32,767 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-11-07 00:59:32,768 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-11-07 00:59:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-11-07 00:59:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-11-07 00:59:32,769 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-11-07 00:59:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-11-07 00:59:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 00:59:32,771 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-11-07 00:59:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2019-11-07 00:59:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-11-07 00:59:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-11-07 00:59:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-11-07 00:59:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-11-07 00:59:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-11-07 00:59:32,772 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-11-07 00:59:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-11-07 00:59:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-11-07 00:59:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-11-07 00:59:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-11-07 00:59:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-11-07 00:59:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-11-07 00:59:32,773 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-11-07 00:59:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-11-07 00:59:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-11-07 00:59:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-11-07 00:59:32,774 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-11-07 00:59:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-11-07 00:59:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2019-11-07 00:59:32,775 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2019-11-07 00:59:32,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-11-07 00:59:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-11-07 00:59:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-11-07 00:59:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-11-07 00:59:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-11-07 00:59:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-11-07 00:59:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-11-07 00:59:32,776 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-11-07 00:59:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-11-07 00:59:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-07 00:59:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-11-07 00:59:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-11-07 00:59:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-07 00:59:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-11-07 00:59:32,777 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-11-07 00:59:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-07 00:59:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-11-07 00:59:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-11-07 00:59:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-07 00:59:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-11-07 00:59:32,778 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-11-07 00:59:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-11-07 00:59:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-11-07 00:59:32,779 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-11-07 00:59:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-11-07 00:59:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-11-07 00:59:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-11-07 00:59:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-11-07 00:59:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2019-11-07 00:59:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-11-07 00:59:32,780 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-11-07 00:59:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-11-07 00:59:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-11-07 00:59:32,781 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-11-07 00:59:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-11-07 00:59:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-11-07 00:59:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-11-07 00:59:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-11-07 00:59:32,782 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-11-07 00:59:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-11-07 00:59:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-11-07 00:59:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-11-07 00:59:32,783 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2019-11-07 00:59:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-11-07 00:59:32,784 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-11-07 00:59:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-11-07 00:59:32,785 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2019-11-07 00:59:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-11-07 00:59:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2019-11-07 00:59:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-11-07 00:59:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-11-07 00:59:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-11-07 00:59:32,786 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-11-07 00:59:32,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-07 00:59:33,808 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-07 00:59:33,808 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-07 00:59:33,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:33 BoogieIcfgContainer [2019-11-07 00:59:33,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-07 00:59:33,812 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-07 00:59:33,812 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-07 00:59:33,815 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-07 00:59:33,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.11 12:59:31" (1/3) ... [2019-11-07 00:59:33,816 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1597b3a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:33, skipping insertion in model container [2019-11-07 00:59:33,816 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.11 12:59:32" (2/3) ... [2019-11-07 00:59:33,817 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1597b3a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.11 12:59:33, skipping insertion in model container [2019-11-07 00:59:33,817 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.11 12:59:33" (3/3) ... [2019-11-07 00:59:33,819 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product45.cil.c [2019-11-07 00:59:33,828 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-07 00:59:33,836 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-07 00:59:33,848 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-07 00:59:33,877 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-07 00:59:33,877 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-07 00:59:33,877 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-07 00:59:33,877 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-07 00:59:33,878 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-07 00:59:33,878 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-07 00:59:33,878 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-07 00:59:33,878 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-07 00:59:33,907 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states. [2019-11-07 00:59:33,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2019-11-07 00:59:33,920 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:33,921 INFO L410 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] [2019-11-07 00:59:33,924 INFO L410 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:33,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:33,929 INFO L82 PathProgramCache]: Analyzing trace with hash -1016037874, now seen corresponding path program 1 times [2019-11-07 00:59:33,938 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:33,939 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211059405] [2019-11-07 00:59:33,939 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:34,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:34,305 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:34,305 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211059405] [2019-11-07 00:59:34,307 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:34,307 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-07 00:59:34,308 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064215293] [2019-11-07 00:59:34,315 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-11-07 00:59:34,317 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:34,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-11-07 00:59:34,336 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:59:34,338 INFO L87 Difference]: Start difference. First operand 178 states. Second operand 2 states. [2019-11-07 00:59:34,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:34,386 INFO L93 Difference]: Finished difference Result 266 states and 333 transitions. [2019-11-07 00:59:34,386 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-07 00:59:34,387 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2019-11-07 00:59:34,388 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:34,401 INFO L225 Difference]: With dead ends: 266 [2019-11-07 00:59:34,401 INFO L226 Difference]: Without dead ends: 135 [2019-11-07 00:59:34,407 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-11-07 00:59:34,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-11-07 00:59:34,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-11-07 00:59:34,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-11-07 00:59:34,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 160 transitions. [2019-11-07 00:59:34,466 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 160 transitions. Word has length 51 [2019-11-07 00:59:34,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:34,467 INFO L462 AbstractCegarLoop]: Abstraction has 135 states and 160 transitions. [2019-11-07 00:59:34,467 INFO L463 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-11-07 00:59:34,467 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 160 transitions. [2019-11-07 00:59:34,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-11-07 00:59:34,472 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:34,472 INFO L410 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] [2019-11-07 00:59:34,472 INFO L410 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:34,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:34,473 INFO L82 PathProgramCache]: Analyzing trace with hash 2062541652, now seen corresponding path program 1 times [2019-11-07 00:59:34,473 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:34,473 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [438448418] [2019-11-07 00:59:34,473 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:34,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:34,629 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [438448418] [2019-11-07 00:59:34,629 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:34,630 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-07 00:59:34,630 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [303227155] [2019-11-07 00:59:34,633 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-07 00:59:34,634 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:34,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-07 00:59:34,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:59:34,635 INFO L87 Difference]: Start difference. First operand 135 states and 160 transitions. Second operand 3 states. [2019-11-07 00:59:34,668 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:34,668 INFO L93 Difference]: Finished difference Result 215 states and 255 transitions. [2019-11-07 00:59:34,669 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-07 00:59:34,669 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2019-11-07 00:59:34,670 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:34,673 INFO L225 Difference]: With dead ends: 215 [2019-11-07 00:59:34,673 INFO L226 Difference]: Without dead ends: 126 [2019-11-07 00:59:34,675 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-07 00:59:34,675 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-07 00:59:34,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-11-07 00:59:34,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-07 00:59:34,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 148 transitions. [2019-11-07 00:59:34,690 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 148 transitions. Word has length 52 [2019-11-07 00:59:34,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:34,691 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 148 transitions. [2019-11-07 00:59:34,691 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-07 00:59:34,691 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 148 transitions. [2019-11-07 00:59:34,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2019-11-07 00:59:34,694 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:34,694 INFO L410 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] [2019-11-07 00:59:34,694 INFO L410 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:34,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:34,694 INFO L82 PathProgramCache]: Analyzing trace with hash 1086390402, now seen corresponding path program 1 times [2019-11-07 00:59:34,695 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:34,695 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835150268] [2019-11-07 00:59:34,695 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:34,850 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:34,851 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835150268] [2019-11-07 00:59:34,851 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:34,851 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:59:34,852 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1701457328] [2019-11-07 00:59:34,852 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:59:34,852 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:34,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:59:34,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:34,853 INFO L87 Difference]: Start difference. First operand 126 states and 148 transitions. Second operand 7 states. [2019-11-07 00:59:35,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:35,261 INFO L93 Difference]: Finished difference Result 224 states and 269 transitions. [2019-11-07 00:59:35,262 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:59:35,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 56 [2019-11-07 00:59:35,262 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:35,264 INFO L225 Difference]: With dead ends: 224 [2019-11-07 00:59:35,264 INFO L226 Difference]: Without dead ends: 126 [2019-11-07 00:59:35,267 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-11-07 00:59:35,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2019-11-07 00:59:35,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 126. [2019-11-07 00:59:35,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 126 states. [2019-11-07 00:59:35,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 147 transitions. [2019-11-07 00:59:35,340 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 147 transitions. Word has length 56 [2019-11-07 00:59:35,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:35,341 INFO L462 AbstractCegarLoop]: Abstraction has 126 states and 147 transitions. [2019-11-07 00:59:35,341 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:59:35,341 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 147 transitions. [2019-11-07 00:59:35,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2019-11-07 00:59:35,350 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:35,350 INFO L410 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] [2019-11-07 00:59:35,350 INFO L410 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:35,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:35,351 INFO L82 PathProgramCache]: Analyzing trace with hash -848651131, now seen corresponding path program 1 times [2019-11-07 00:59:35,351 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:35,351 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751844062] [2019-11-07 00:59:35,351 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:35,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:35,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:35,542 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751844062] [2019-11-07 00:59:35,542 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:35,542 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-07 00:59:35,542 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [29157495] [2019-11-07 00:59:35,545 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-07 00:59:35,545 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:35,545 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-07 00:59:35,546 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-07 00:59:35,546 INFO L87 Difference]: Start difference. First operand 126 states and 147 transitions. Second operand 5 states. [2019-11-07 00:59:36,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:36,244 INFO L93 Difference]: Finished difference Result 327 states and 398 transitions. [2019-11-07 00:59:36,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-07 00:59:36,245 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 69 [2019-11-07 00:59:36,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:36,255 INFO L225 Difference]: With dead ends: 327 [2019-11-07 00:59:36,255 INFO L226 Difference]: Without dead ends: 229 [2019-11-07 00:59:36,257 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:36,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 229 states. [2019-11-07 00:59:36,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 229 to 211. [2019-11-07 00:59:36,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 211 states. [2019-11-07 00:59:36,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 243 transitions. [2019-11-07 00:59:36,287 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 243 transitions. Word has length 69 [2019-11-07 00:59:36,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:36,287 INFO L462 AbstractCegarLoop]: Abstraction has 211 states and 243 transitions. [2019-11-07 00:59:36,287 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-07 00:59:36,287 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 243 transitions. [2019-11-07 00:59:36,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-11-07 00:59:36,289 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:36,289 INFO L410 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] [2019-11-07 00:59:36,290 INFO L410 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:36,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:36,290 INFO L82 PathProgramCache]: Analyzing trace with hash -1442987939, now seen corresponding path program 1 times [2019-11-07 00:59:36,290 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:36,291 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288419774] [2019-11-07 00:59:36,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:36,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:36,408 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:36,408 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288419774] [2019-11-07 00:59:36,408 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:36,409 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:59:36,409 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012104613] [2019-11-07 00:59:36,409 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:59:36,410 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:36,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:59:36,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:59:36,410 INFO L87 Difference]: Start difference. First operand 211 states and 243 transitions. Second operand 6 states. [2019-11-07 00:59:36,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:36,629 INFO L93 Difference]: Finished difference Result 559 states and 665 transitions. [2019-11-07 00:59:36,629 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:36,629 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 83 [2019-11-07 00:59:36,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:36,634 INFO L225 Difference]: With dead ends: 559 [2019-11-07 00:59:36,634 INFO L226 Difference]: Without dead ends: 376 [2019-11-07 00:59:36,635 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2019-11-07 00:59:36,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 376 states. [2019-11-07 00:59:36,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 376 to 370. [2019-11-07 00:59:36,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 370 states. [2019-11-07 00:59:36,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 370 states to 370 states and 426 transitions. [2019-11-07 00:59:36,696 INFO L78 Accepts]: Start accepts. Automaton has 370 states and 426 transitions. Word has length 83 [2019-11-07 00:59:36,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:36,698 INFO L462 AbstractCegarLoop]: Abstraction has 370 states and 426 transitions. [2019-11-07 00:59:36,699 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:59:36,699 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 426 transitions. [2019-11-07 00:59:36,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2019-11-07 00:59:36,702 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:36,704 INFO L410 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] [2019-11-07 00:59:36,704 INFO L410 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:36,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:36,705 INFO L82 PathProgramCache]: Analyzing trace with hash -142547263, now seen corresponding path program 1 times [2019-11-07 00:59:36,705 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:36,705 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1640780189] [2019-11-07 00:59:36,705 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:36,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:36,868 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:36,869 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1640780189] [2019-11-07 00:59:36,870 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:36,870 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-11-07 00:59:36,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025911001] [2019-11-07 00:59:36,871 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-07 00:59:36,871 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:36,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-07 00:59:36,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:36,872 INFO L87 Difference]: Start difference. First operand 370 states and 426 transitions. Second operand 7 states. [2019-11-07 00:59:37,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:37,530 INFO L93 Difference]: Finished difference Result 741 states and 876 transitions. [2019-11-07 00:59:37,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-11-07 00:59:37,531 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 87 [2019-11-07 00:59:37,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:37,535 INFO L225 Difference]: With dead ends: 741 [2019-11-07 00:59:37,535 INFO L226 Difference]: Without dead ends: 399 [2019-11-07 00:59:37,537 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=43, Invalid=113, Unknown=0, NotChecked=0, Total=156 [2019-11-07 00:59:37,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2019-11-07 00:59:37,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 369. [2019-11-07 00:59:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 369 states. [2019-11-07 00:59:37,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 423 transitions. [2019-11-07 00:59:37,564 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 423 transitions. Word has length 87 [2019-11-07 00:59:37,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:37,565 INFO L462 AbstractCegarLoop]: Abstraction has 369 states and 423 transitions. [2019-11-07 00:59:37,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-07 00:59:37,565 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 423 transitions. [2019-11-07 00:59:37,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 00:59:37,567 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:37,567 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:37,568 INFO L410 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:37,568 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:37,568 INFO L82 PathProgramCache]: Analyzing trace with hash -1138633269, now seen corresponding path program 1 times [2019-11-07 00:59:37,568 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:37,568 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123675430] [2019-11-07 00:59:37,569 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:37,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:37,641 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:59:37,641 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123675430] [2019-11-07 00:59:37,641 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:37,641 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-07 00:59:37,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563112871] [2019-11-07 00:59:37,642 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-11-07 00:59:37,642 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:37,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-11-07 00:59:37,643 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-11-07 00:59:37,643 INFO L87 Difference]: Start difference. First operand 369 states and 423 transitions. Second operand 6 states. [2019-11-07 00:59:37,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:37,697 INFO L93 Difference]: Finished difference Result 724 states and 850 transitions. [2019-11-07 00:59:37,698 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-11-07 00:59:37,698 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 103 [2019-11-07 00:59:37,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:37,702 INFO L225 Difference]: With dead ends: 724 [2019-11-07 00:59:37,702 INFO L226 Difference]: Without dead ends: 383 [2019-11-07 00:59:37,704 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2019-11-07 00:59:37,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2019-11-07 00:59:37,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 379. [2019-11-07 00:59:37,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 379 states. [2019-11-07 00:59:37,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 433 transitions. [2019-11-07 00:59:37,743 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 433 transitions. Word has length 103 [2019-11-07 00:59:37,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:37,744 INFO L462 AbstractCegarLoop]: Abstraction has 379 states and 433 transitions. [2019-11-07 00:59:37,744 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-11-07 00:59:37,744 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 433 transitions. [2019-11-07 00:59:37,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 00:59:37,747 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:37,748 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:37,748 INFO L410 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:37,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:37,750 INFO L82 PathProgramCache]: Analyzing trace with hash 789639433, now seen corresponding path program 1 times [2019-11-07 00:59:37,750 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:37,750 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429693102] [2019-11-07 00:59:37,750 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:37,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:37,871 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:59:37,872 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429693102] [2019-11-07 00:59:37,872 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:37,873 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-11-07 00:59:37,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [582730723] [2019-11-07 00:59:37,877 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:59:37,877 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:37,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:59:37,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:37,878 INFO L87 Difference]: Start difference. First operand 379 states and 433 transitions. Second operand 8 states. [2019-11-07 00:59:37,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:37,924 INFO L93 Difference]: Finished difference Result 744 states and 872 transitions. [2019-11-07 00:59:37,935 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:37,936 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 103 [2019-11-07 00:59:37,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:37,940 INFO L225 Difference]: With dead ends: 744 [2019-11-07 00:59:37,940 INFO L226 Difference]: Without dead ends: 393 [2019-11-07 00:59:37,942 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-11-07 00:59:37,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2019-11-07 00:59:37,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 387. [2019-11-07 00:59:37,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 387 states. [2019-11-07 00:59:37,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 387 states to 387 states and 441 transitions. [2019-11-07 00:59:37,977 INFO L78 Accepts]: Start accepts. Automaton has 387 states and 441 transitions. Word has length 103 [2019-11-07 00:59:37,977 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:37,977 INFO L462 AbstractCegarLoop]: Abstraction has 387 states and 441 transitions. [2019-11-07 00:59:37,977 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:59:37,978 INFO L276 IsEmpty]: Start isEmpty. Operand 387 states and 441 transitions. [2019-11-07 00:59:37,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-11-07 00:59:37,981 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:37,982 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:37,982 INFO L410 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:37,982 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:37,982 INFO L82 PathProgramCache]: Analyzing trace with hash 549099304, now seen corresponding path program 1 times [2019-11-07 00:59:37,982 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:37,983 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1416045638] [2019-11-07 00:59:37,983 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:38,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:38,109 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-07 00:59:38,109 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1416045638] [2019-11-07 00:59:38,109 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-07 00:59:38,110 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-07 00:59:38,110 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101476599] [2019-11-07 00:59:38,111 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-07 00:59:38,111 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:38,111 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-07 00:59:38,111 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:59:38,111 INFO L87 Difference]: Start difference. First operand 387 states and 441 transitions. Second operand 4 states. [2019-11-07 00:59:38,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:38,336 INFO L93 Difference]: Finished difference Result 1132 states and 1360 transitions. [2019-11-07 00:59:38,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-07 00:59:38,337 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 103 [2019-11-07 00:59:38,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:38,343 INFO L225 Difference]: With dead ends: 1132 [2019-11-07 00:59:38,343 INFO L226 Difference]: Without dead ends: 773 [2019-11-07 00:59:38,345 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-07 00:59:38,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 773 states. [2019-11-07 00:59:38,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 773 to 758. [2019-11-07 00:59:38,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 758 states. [2019-11-07 00:59:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 891 transitions. [2019-11-07 00:59:38,400 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 891 transitions. Word has length 103 [2019-11-07 00:59:38,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:38,402 INFO L462 AbstractCegarLoop]: Abstraction has 758 states and 891 transitions. [2019-11-07 00:59:38,402 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-07 00:59:38,402 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 891 transitions. [2019-11-07 00:59:38,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-11-07 00:59:38,408 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:38,408 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:38,408 INFO L410 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:38,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:38,409 INFO L82 PathProgramCache]: Analyzing trace with hash 290063790, now seen corresponding path program 1 times [2019-11-07 00:59:38,409 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:38,409 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962230530] [2019-11-07 00:59:38,410 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:38,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:38,562 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:59:38,563 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962230530] [2019-11-07 00:59:38,564 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1997386827] [2019-11-07 00:59:38,564 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 [2019-11-07 00:59:38,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:38,779 INFO L256 TraceCheckSpWp]: Trace formula consists of 797 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 00:59:38,790 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:59:39,013 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-07 00:59:39,013 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:59:40,066 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-07 00:59:40,066 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:59:40,067 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-11-07 00:59:40,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086658297] [2019-11-07 00:59:40,068 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:59:40,068 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:40,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:59:40,069 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:59:40,069 INFO L87 Difference]: Start difference. First operand 758 states and 891 transitions. Second operand 8 states. [2019-11-07 00:59:40,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:40,380 INFO L93 Difference]: Finished difference Result 1459 states and 1726 transitions. [2019-11-07 00:59:40,381 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:40,381 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 107 [2019-11-07 00:59:40,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:40,387 INFO L225 Difference]: With dead ends: 1459 [2019-11-07 00:59:40,388 INFO L226 Difference]: Without dead ends: 729 [2019-11-07 00:59:40,390 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 227 GetRequests, 197 SyntacticMatches, 7 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:59:40,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 729 states. [2019-11-07 00:59:40,439 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 729 to 729. [2019-11-07 00:59:40,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 729 states. [2019-11-07 00:59:40,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 729 states to 729 states and 843 transitions. [2019-11-07 00:59:40,445 INFO L78 Accepts]: Start accepts. Automaton has 729 states and 843 transitions. Word has length 107 [2019-11-07 00:59:40,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:40,446 INFO L462 AbstractCegarLoop]: Abstraction has 729 states and 843 transitions. [2019-11-07 00:59:40,446 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:59:40,446 INFO L276 IsEmpty]: Start isEmpty. Operand 729 states and 843 transitions. [2019-11-07 00:59:40,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-11-07 00:59:40,453 INFO L402 BasicCegarLoop]: Found error trace [2019-11-07 00:59:40,453 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1] [2019-11-07 00:59:40,660 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:40,660 INFO L410 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-07 00:59:40,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-07 00:59:40,665 INFO L82 PathProgramCache]: Analyzing trace with hash 1933824326, now seen corresponding path program 1 times [2019-11-07 00:59:40,665 INFO L161 FreeRefinementEngine]: Executing refinement strategy TAIPAN [2019-11-07 00:59:40,665 INFO L337 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1444943994] [2019-11-07 00:59:40,666 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-07 00:59:40,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:40,858 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 00:59:40,859 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1444943994] [2019-11-07 00:59:40,859 INFO L337 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [815156678] [2019-11-07 00:59:40,859 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 [2019-11-07 00:59:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-07 00:59:41,088 INFO L256 TraceCheckSpWp]: Trace formula consists of 921 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-07 00:59:41,095 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-07 00:59:41,293 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-11-07 00:59:41,294 INFO L321 TraceCheckSpWp]: Computing backward predicates... [2019-11-07 00:59:41,822 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 20 proven. 2 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-07 00:59:41,823 INFO L218 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2019-11-07 00:59:41,823 INFO L231 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [13, 9] total 25 [2019-11-07 00:59:41,823 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [882176627] [2019-11-07 00:59:41,824 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-07 00:59:41,824 INFO L141 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy TAIPAN [2019-11-07 00:59:41,824 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-07 00:59:41,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:59:41,825 INFO L87 Difference]: Start difference. First operand 729 states and 843 transitions. Second operand 8 states. [2019-11-07 00:59:42,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-07 00:59:42,267 INFO L93 Difference]: Finished difference Result 1229 states and 1438 transitions. [2019-11-07 00:59:42,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-11-07 00:59:42,273 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 158 [2019-11-07 00:59:42,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-07 00:59:42,274 INFO L225 Difference]: With dead ends: 1229 [2019-11-07 00:59:42,275 INFO L226 Difference]: Without dead ends: 0 [2019-11-07 00:59:42,278 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 329 GetRequests, 301 SyntacticMatches, 5 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=81, Invalid=519, Unknown=0, NotChecked=0, Total=600 [2019-11-07 00:59:42,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-07 00:59:42,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-07 00:59:42,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-07 00:59:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-07 00:59:42,279 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 158 [2019-11-07 00:59:42,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-07 00:59:42,280 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-07 00:59:42,280 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-07 00:59:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-07 00:59:42,280 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-07 00:59:42,494 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-07 00:59:42,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-07 00:59:43,498 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 36 [2019-11-07 00:59:43,699 WARN L191 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2019-11-07 00:59:44,136 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 28 [2019-11-07 00:59:44,445 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2019-11-07 00:59:44,710 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 20 [2019-11-07 00:59:45,365 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 28 [2019-11-07 00:59:45,633 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 24 [2019-11-07 00:59:46,248 INFO L443 ceAbstractionStarter]: For program point L123(lines 123 127) no Hoare annotation was computed. [2019-11-07 00:59:46,248 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2019-11-07 00:59:46,248 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point L139(lines 116 140) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point L193-1(line 193) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point L180(lines 180 184) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2019-11-07 00:59:46,249 INFO L443 ceAbstractionStarter]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2019-11-07 00:59:46,250 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2019-11-07 00:59:46,250 INFO L443 ceAbstractionStarter]: For program point L200(lines 173 201) no Hoare annotation was computed. [2019-11-07 00:59:46,250 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 902 908) the Hoare annotation is: true [2019-11-07 00:59:46,250 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 902 908) no Hoare annotation was computed. [2019-11-07 00:59:46,250 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 909 917) no Hoare annotation was computed. [2019-11-07 00:59:46,250 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 909 917) the Hoare annotation is: true [2019-11-07 00:59:46,250 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 909 917) no Hoare annotation was computed. [2019-11-07 00:59:46,250 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 497 519) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:46,251 INFO L439 ceAbstractionStarter]: At program point L509(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:46,251 INFO L439 ceAbstractionStarter]: At program point L509-1(line 509) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= main_~tmp~3 ~systemActive~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:46,251 INFO L443 ceAbstractionStarter]: For program point L507(lines 507 514) no Hoare annotation was computed. [2019-11-07 00:59:46,251 INFO L443 ceAbstractionStarter]: For program point L507-1(lines 507 514) no Hoare annotation was computed. [2019-11-07 00:59:46,251 INFO L443 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2019-11-07 00:59:46,251 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 497 519) no Hoare annotation was computed. [2019-11-07 00:59:46,252 INFO L439 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:46,252 INFO L439 ceAbstractionStarter]: At program point L503(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:46,252 INFO L439 ceAbstractionStarter]: At program point L503-1(line 503) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:46,252 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 497 519) no Hoare annotation was computed. [2019-11-07 00:59:46,252 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 450 473) no Hoare annotation was computed. [2019-11-07 00:59:46,252 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 450 473) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 450 473) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L468(line 468) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L465(line 465) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L462(line 462) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L459(line 459) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2019-11-07 00:59:46,253 INFO L443 ceAbstractionStarter]: For program point L456(line 456) no Hoare annotation was computed. [2019-11-07 00:59:46,254 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-07 00:59:46,254 INFO L439 ceAbstractionStarter]: At program point L574(line 574) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~waterLevel~0 1))) (or .cse3 (not (= ~methaneLevelCritical~0 0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~waterLevel~0)) .cse2)))) [2019-11-07 00:59:46,254 INFO L443 ceAbstractionStarter]: For program point L572(lines 572 580) no Hoare annotation was computed. [2019-11-07 00:59:46,254 INFO L439 ceAbstractionStarter]: At program point L570(line 570) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse3 (= ~pumpRunning~0 0)) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse3 (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse0))) [2019-11-07 00:59:46,254 INFO L443 ceAbstractionStarter]: For program point L570-1(line 570) no Hoare annotation was computed. [2019-11-07 00:59:46,254 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 585) no Hoare annotation was computed. [2019-11-07 00:59:46,254 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 564 588) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= ~pumpRunning~0 0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-11-07 00:59:46,255 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 564 588) no Hoare annotation was computed. [2019-11-07 00:59:46,255 INFO L439 ceAbstractionStarter]: At program point L583(line 583) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse1 .cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-11-07 00:59:46,255 INFO L443 ceAbstractionStarter]: For program point L583-1(lines 564 588) no Hoare annotation was computed. [2019-11-07 00:59:46,255 INFO L439 ceAbstractionStarter]: At program point L578(line 578) the Hoare annotation is: (let ((.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (and (= processEnvironment__wrappee__methaneQuery_~tmp~4 0) (= ~pumpRunning~0 0))) (.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2) (or (not (<= 1 ~methaneLevelCritical~0)) (not .cse2) .cse3 .cse0) (or .cse3 .cse0 .cse1))) [2019-11-07 00:59:46,255 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 659 667) no Hoare annotation was computed. [2019-11-07 00:59:46,255 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 659 667) the Hoare annotation is: true [2019-11-07 00:59:46,255 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 659 667) no Hoare annotation was computed. [2019-11-07 00:59:46,255 INFO L443 ceAbstractionStarter]: For program point L675-2(lines 675 683) no Hoare annotation was computed. [2019-11-07 00:59:46,255 INFO L443 ceAbstractionStarter]: For program point L698(line 698) no Hoare annotation was computed. [2019-11-07 00:59:46,255 INFO L443 ceAbstractionStarter]: For program point L698-1(line 698) no Hoare annotation was computed. [2019-11-07 00:59:46,255 INFO L443 ceAbstractionStarter]: For program point L687(lines 687 695) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 668 703) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point L687-2(lines 687 695) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 668 703) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 683) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 668 703) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 895 901) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 895 901) the Hoare annotation is: true [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point L379(lines 379 386) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2019-11-07 00:59:46,256 INFO L443 ceAbstractionStarter]: For program point L373(lines 373 393) no Hoare annotation was computed. [2019-11-07 00:59:46,257 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2019-11-07 00:59:46,257 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2019-11-07 00:59:46,257 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2019-11-07 00:59:46,257 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 483 493) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:46,257 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 483 493) no Hoare annotation was computed. [2019-11-07 00:59:46,257 INFO L439 ceAbstractionStarter]: At program point L488(line 488) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:46,257 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 483 493) no Hoare annotation was computed. [2019-11-07 00:59:46,257 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 648 658) the Hoare annotation is: true [2019-11-07 00:59:46,257 INFO L446 ceAbstractionStarter]: At program point L653(line 653) the Hoare annotation is: true [2019-11-07 00:59:46,257 INFO L443 ceAbstractionStarter]: For program point L653-1(line 653) no Hoare annotation was computed. [2019-11-07 00:59:46,257 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 648 658) no Hoare annotation was computed. [2019-11-07 00:59:46,258 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 648 658) no Hoare annotation was computed. [2019-11-07 00:59:46,258 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 640 647) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse2 (= 0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1 .cse2))) [2019-11-07 00:59:46,258 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 640 647) no Hoare annotation was computed. [2019-11-07 00:59:46,258 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 640 647) no Hoare annotation was computed. [2019-11-07 00:59:46,258 INFO L443 ceAbstractionStarter]: For program point L873(lines 873 879) no Hoare annotation was computed. [2019-11-07 00:59:46,258 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 869 882) no Hoare annotation was computed. [2019-11-07 00:59:46,258 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 869 882) the Hoare annotation is: true [2019-11-07 00:59:46,258 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 869 882) no Hoare annotation was computed. [2019-11-07 00:59:46,258 INFO L439 ceAbstractionStarter]: At program point L609(line 609) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= 0 |old(~pumpRunning~0)|)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse4 .cse0 .cse2) (or .cse3 .cse4 .cse0))) [2019-11-07 00:59:46,258 INFO L443 ceAbstractionStarter]: For program point L609-1(lines 590 614) no Hoare annotation was computed. [2019-11-07 00:59:46,258 INFO L439 ceAbstractionStarter]: At program point L604(line 604) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1) (or .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-11-07 00:59:46,259 INFO L439 ceAbstractionStarter]: At program point L600(line 600) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1) (or .cse1 .cse2 .cse4) (or .cse3 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~5) .cse4) .cse1))) [2019-11-07 00:59:46,259 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 590 614) no Hoare annotation was computed. [2019-11-07 00:59:46,259 INFO L443 ceAbstractionStarter]: For program point L598(lines 598 606) no Hoare annotation was computed. [2019-11-07 00:59:46,259 INFO L439 ceAbstractionStarter]: At program point L596(line 596) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 .cse4) (or .cse0 .cse3 .cse1) (or .cse1 .cse4 .cse2))) [2019-11-07 00:59:46,259 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 590 614) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-11-07 00:59:46,259 INFO L443 ceAbstractionStarter]: For program point L596-1(line 596) no Hoare annotation was computed. [2019-11-07 00:59:46,259 INFO L443 ceAbstractionStarter]: For program point L594(lines 594 611) no Hoare annotation was computed. [2019-11-07 00:59:46,260 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 556 562) no Hoare annotation was computed. [2019-11-07 00:59:46,260 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 556 562) the Hoare annotation is: true [2019-11-07 00:59:46,260 INFO L439 ceAbstractionStarter]: At program point L770-2(lines 764 775) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and .cse0 (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:59:46,260 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 724 787) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:46,260 INFO L443 ceAbstractionStarter]: For program point L735(lines 734 779) no Hoare annotation was computed. [2019-11-07 00:59:46,260 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 775) no Hoare annotation was computed. [2019-11-07 00:59:46,260 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 724 787) no Hoare annotation was computed. [2019-11-07 00:59:46,261 INFO L439 ceAbstractionStarter]: At program point L756(line 756) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:59:46,261 INFO L443 ceAbstractionStarter]: For program point L754(lines 754 760) no Hoare annotation was computed. [2019-11-07 00:59:46,261 INFO L443 ceAbstractionStarter]: For program point L754-1(lines 754 760) no Hoare annotation was computed. [2019-11-07 00:59:46,261 INFO L439 ceAbstractionStarter]: At program point L746(line 746) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (and (<= 1 ~methaneLevelCritical~0) (and .cse0 (= ~pumpRunning~0 0))) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:59:46,261 INFO L439 ceAbstractionStarter]: At program point L777(lines 734 779) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~methaneLevelCritical~0) (= ~pumpRunning~0 0)) (and (= 0 ~methaneLevelCritical~0) .cse0) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-11-07 00:59:46,261 INFO L443 ceAbstractionStarter]: For program point L744(lines 744 750) no Hoare annotation was computed. [2019-11-07 00:59:46,261 INFO L443 ceAbstractionStarter]: For program point L744-1(lines 744 750) no Hoare annotation was computed. [2019-11-07 00:59:46,261 INFO L443 ceAbstractionStarter]: For program point L736(lines 736 740) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L439 ceAbstractionStarter]: At program point L780(lines 733 781) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-11-07 00:59:46,262 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 724 787) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L443 ceAbstractionStarter]: For program point L770(lines 770 774) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 340) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L443 ceAbstractionStarter]: For program point L327(lines 327 347) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L443 ceAbstractionStarter]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 615 622) the Hoare annotation is: (or (= ~waterLevel~0 1) (not (= 0 |old(~pumpRunning~0)|)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-11-07 00:59:46,262 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 615 622) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 615 622) no Hoare annotation was computed. [2019-11-07 00:59:46,262 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 928 956) the Hoare annotation is: true [2019-11-07 00:59:46,263 INFO L439 ceAbstractionStarter]: At program point L943(line 943) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0)) .cse0) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-11-07 00:59:46,263 INFO L443 ceAbstractionStarter]: For program point L941(lines 941 947) no Hoare annotation was computed. [2019-11-07 00:59:46,263 INFO L443 ceAbstractionStarter]: For program point L940(lines 940 950) no Hoare annotation was computed. [2019-11-07 00:59:46,263 INFO L439 ceAbstractionStarter]: At program point L938(line 938) the Hoare annotation is: (or (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0))) [2019-11-07 00:59:46,263 INFO L443 ceAbstractionStarter]: For program point L938-1(line 938) no Hoare annotation was computed. [2019-11-07 00:59:46,263 INFO L443 ceAbstractionStarter]: For program point L936(lines 936 953) no Hoare annotation was computed. [2019-11-07 00:59:46,263 INFO L443 ceAbstractionStarter]: For program point L936-1(lines 928 956) no Hoare annotation was computed. [2019-11-07 00:59:46,263 INFO L446 ceAbstractionStarter]: At program point L934(line 934) the Hoare annotation is: true [2019-11-07 00:59:46,263 INFO L443 ceAbstractionStarter]: For program point L934-1(line 934) no Hoare annotation was computed. [2019-11-07 00:59:46,263 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__2EXIT(lines 928 956) no Hoare annotation was computed. [2019-11-07 00:59:46,263 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 920 927) the Hoare annotation is: true [2019-11-07 00:59:46,263 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1FINAL(lines 920 927) no Hoare annotation was computed. [2019-11-07 00:59:46,263 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification2_spec__1EXIT(lines 920 927) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point L845(lines 845 853) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point L845-2(lines 845 853) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 837 859) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 837 859) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 837 859) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 297) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point L275(line 275) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point L275-1(line 275) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point L234(lines 234 238) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point L298(lines 298 309) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 265) no Hoare annotation was computed. [2019-11-07 00:59:46,264 INFO L443 ceAbstractionStarter]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point L280(lines 258 281) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 255) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 306) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point L260(lines 259 279) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point L291(line 291) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point L291-1(line 291) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 885 894) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 885 894) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 885 894) no Hoare annotation was computed. [2019-11-07 00:59:46,265 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:59:46,266 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (= ~pumpRunning~0 |old(~pumpRunning~0)|) [2019-11-07 00:59:46,266 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:59:46,266 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 623 639) no Hoare annotation was computed. [2019-11-07 00:59:46,266 INFO L439 ceAbstractionStarter]: At program point L634(line 634) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2))) [2019-11-07 00:59:46,266 INFO L443 ceAbstractionStarter]: For program point L634-1(lines 623 639) no Hoare annotation was computed. [2019-11-07 00:59:46,266 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 623 639) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-11-07 00:59:46,266 INFO L443 ceAbstractionStarter]: For program point L630(lines 630 636) no Hoare annotation was computed. [2019-11-07 00:59:46,266 INFO L439 ceAbstractionStarter]: At program point L628(line 628) the Hoare annotation is: (let ((.cse0 (= ~waterLevel~0 1)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse2 (= ~pumpRunning~0 0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse2))) [2019-11-07 00:59:46,266 INFO L443 ceAbstractionStarter]: For program point L628-1(line 628) no Hoare annotation was computed. [2019-11-07 00:59:46,266 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 704 722) no Hoare annotation was computed. [2019-11-07 00:59:46,266 INFO L443 ceAbstractionStarter]: For program point L713(lines 713 717) no Hoare annotation was computed. [2019-11-07 00:59:46,267 INFO L446 ceAbstractionStarter]: At program point L711(line 711) the Hoare annotation is: true [2019-11-07 00:59:46,267 INFO L443 ceAbstractionStarter]: For program point L713-2(lines 713 717) no Hoare annotation was computed. [2019-11-07 00:59:46,267 INFO L443 ceAbstractionStarter]: For program point L711-1(line 711) no Hoare annotation was computed. [2019-11-07 00:59:46,267 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 704 722) the Hoare annotation is: true [2019-11-07 00:59:46,267 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 704 722) no Hoare annotation was computed. [2019-11-07 00:59:46,267 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 860 868) no Hoare annotation was computed. [2019-11-07 00:59:46,267 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 860 868) no Hoare annotation was computed. [2019-11-07 00:59:46,267 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 860 868) no Hoare annotation was computed. [2019-11-07 00:59:46,267 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:59:46,267 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-11-07 00:59:46,267 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:59:46,268 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 816 827) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1)))) (and (or (= 0 ~methaneLevelCritical~0) .cse0 (not (= |old(~methaneLevelCritical~0)| 0))) (or (<= 1 ~methaneLevelCritical~0) (not (<= 1 |old(~methaneLevelCritical~0)|)) (not (= 0 ~pumpRunning~0)) .cse0))) [2019-11-07 00:59:46,268 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 816 827) no Hoare annotation was computed. [2019-11-07 00:59:46,268 INFO L443 ceAbstractionStarter]: For program point L820-1(lines 816 827) no Hoare annotation was computed. [2019-11-07 00:59:46,268 INFO L439 ceAbstractionStarter]: At program point L545(line 545) the Hoare annotation is: (let ((.cse1 (= 1 ~waterLevel~0)) (.cse7 (= |old(~waterLevel~0)| 1))) (let ((.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse3 (not .cse7)) (.cse6 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not .cse1)) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse2 .cse4 .cse5) (or .cse5 .cse6 .cse2) (or .cse7 .cse0 .cse2 .cse4 .cse8) (or .cse6 .cse0 .cse2 .cse1 .cse3) (or .cse6 .cse7 .cse8 .cse2 .cse0)))) [2019-11-07 00:59:46,268 INFO L439 ceAbstractionStarter]: At program point L543(lines 543 549) the Hoare annotation is: (let ((.cse11 (= 1 ~waterLevel~0))) (let ((.cse9 (not .cse11)) (.cse13 (= 1 ~systemActive~0)) (.cse14 (= 0 ~methaneLevelCritical~0)) (.cse15 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (= |old(~waterLevel~0)| 1)) (.cse10 (not (= 0 |old(~pumpRunning~0)|))) (.cse17 (<= 1 ~methaneLevelCritical~0)) (.cse16 (= ~pumpRunning~0 0))) (let ((.cse8 (and .cse10 .cse17 .cse16)) (.cse7 (not .cse17)) (.cse12 (not .cse0)) (.cse6 (and .cse15 .cse16)) (.cse1 (and .cse10 .cse16)) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse4 (and .cse13 .cse10 .cse14 .cse15)) (.cse5 (and .cse13 .cse14 .cse9))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse2) (or .cse7 .cse0 .cse8 .cse9 .cse2) (or .cse10 .cse11 .cse2 .cse12 .cse3) (or .cse7 .cse10 .cse2 .cse11 .cse12) (or .cse6 .cse1 .cse2 .cse3 .cse4 .cse5))))) [2019-11-07 00:59:46,268 INFO L439 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse1 (not (= ~methaneLevelCritical~0 0)) (and .cse3 .cse2)))) [2019-11-07 00:59:46,268 INFO L443 ceAbstractionStarter]: For program point L536(lines 535 554) no Hoare annotation was computed. [2019-11-07 00:59:46,269 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 532 555) the Hoare annotation is: (let ((.cse1 (= |old(~waterLevel~0)| 1)) (.cse5 (= 1 ~waterLevel~0))) (let ((.cse2 (not .cse5)) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse8 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse6 (not .cse1))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse3 .cse6 .cse7) (or .cse8 .cse3 .cse7) (or .cse1 .cse2 .cse3 .cse7) (or .cse0 .cse8 .cse3) (or .cse0 .cse4 .cse3 .cse5 .cse6)))) [2019-11-07 00:59:46,269 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 532 555) no Hoare annotation was computed. [2019-11-07 00:59:46,269 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 532 555) no Hoare annotation was computed. [2019-11-07 00:59:46,269 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 417 446) no Hoare annotation was computed. [2019-11-07 00:59:46,269 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 417 446) the Hoare annotation is: true [2019-11-07 00:59:46,269 INFO L446 ceAbstractionStarter]: At program point L442(lines 417 446) the Hoare annotation is: true [2019-11-07 00:59:46,269 INFO L443 ceAbstractionStarter]: For program point L438(line 438) no Hoare annotation was computed. [2019-11-07 00:59:46,269 INFO L443 ceAbstractionStarter]: For program point L431(lines 431 435) no Hoare annotation was computed. [2019-11-07 00:59:46,269 INFO L446 ceAbstractionStarter]: At program point L431-1(lines 431 435) the Hoare annotation is: true [2019-11-07 00:59:46,270 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-07 00:59:46,270 INFO L446 ceAbstractionStarter]: At program point L427-2(lines 427 441) the Hoare annotation is: true [2019-11-07 00:59:46,270 INFO L446 ceAbstractionStarter]: At program point L423(line 423) the Hoare annotation is: true [2019-11-07 00:59:46,270 INFO L443 ceAbstractionStarter]: For program point L423-1(line 423) no Hoare annotation was computed. [2019-11-07 00:59:46,270 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 828 836) the Hoare annotation is: true [2019-11-07 00:59:46,270 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 828 836) no Hoare annotation was computed. [2019-11-07 00:59:46,270 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 828 836) no Hoare annotation was computed. [2019-11-07 00:59:46,270 INFO L446 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 792 803) the Hoare annotation is: true [2019-11-07 00:59:46,270 INFO L443 ceAbstractionStarter]: For program point L796-1(lines 792 803) no Hoare annotation was computed. [2019-11-07 00:59:46,270 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 792 803) no Hoare annotation was computed. [2019-11-07 00:59:46,270 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 474 480) no Hoare annotation was computed. [2019-11-07 00:59:46,271 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 474 480) the Hoare annotation is: true [2019-11-07 00:59:46,271 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-07 00:59:46,271 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-11-07 00:59:46,271 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-11-07 00:59:46,271 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-07 00:59:46,271 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 804 815) no Hoare annotation was computed. [2019-11-07 00:59:46,271 INFO L443 ceAbstractionStarter]: For program point L808-1(lines 804 815) no Hoare annotation was computed. [2019-11-07 00:59:46,271 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 804 815) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse1 (= 1 ~waterLevel~0)) (.cse3 (not (= |old(~waterLevel~0)| 1)))) (and (or .cse0 .cse1 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse2 .cse1 .cse3))) [2019-11-07 00:59:46,271 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 410) no Hoare annotation was computed. [2019-11-07 00:59:46,272 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 406 413) no Hoare annotation was computed. [2019-11-07 00:59:46,272 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 406 413) the Hoare annotation is: true [2019-11-07 00:59:46,272 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 406 413) no Hoare annotation was computed. [2019-11-07 00:59:46,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.11 12:59:46 BoogieIcfgContainer [2019-11-07 00:59:46,286 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-07 00:59:46,288 INFO L168 Benchmark]: Toolchain (without parser) took 14400.99 ms. Allocated memory was 146.3 MB in the beginning and 396.9 MB in the end (delta: 250.6 MB). Free memory was 102.8 MB in the beginning and 239.3 MB in the end (delta: -136.5 MB). Peak memory consumption was 263.2 MB. Max. memory is 7.1 GB. [2019-11-07 00:59:46,290 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2019-11-07 00:59:46,291 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.75 ms. Allocated memory was 146.3 MB in the beginning and 205.5 MB in the end (delta: 59.2 MB). Free memory was 102.6 MB in the beginning and 172.0 MB in the end (delta: -69.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2019-11-07 00:59:46,292 INFO L168 Benchmark]: Boogie Preprocessor took 87.09 ms. Allocated memory is still 205.5 MB. Free memory was 172.0 MB in the beginning and 167.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. [2019-11-07 00:59:46,292 INFO L168 Benchmark]: RCFGBuilder took 1126.89 ms. Allocated memory was 205.5 MB in the beginning and 233.8 MB in the end (delta: 28.3 MB). Free memory was 167.4 MB in the beginning and 189.9 MB in the end (delta: -22.5 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. [2019-11-07 00:59:46,293 INFO L168 Benchmark]: TraceAbstraction took 12475.07 ms. Allocated memory was 233.8 MB in the beginning and 396.9 MB in the end (delta: 163.1 MB). Free memory was 189.9 MB in the beginning and 239.3 MB in the end (delta: -49.5 MB). Peak memory consumption was 262.7 MB. Max. memory is 7.1 GB. [2019-11-07 00:59:46,297 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 146.3 MB. Free memory was 122.6 MB in the beginning and 122.4 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.75 ms. Allocated memory was 146.3 MB in the beginning and 205.5 MB in the end (delta: 59.2 MB). Free memory was 102.6 MB in the beginning and 172.0 MB in the end (delta: -69.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 87.09 ms. Allocated memory is still 205.5 MB. Free memory was 172.0 MB in the beginning and 167.4 MB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1126.89 ms. Allocated memory was 205.5 MB in the beginning and 233.8 MB in the end (delta: 28.3 MB). Free memory was 167.4 MB in the beginning and 189.9 MB in the end (delta: -22.5 MB). Peak memory consumption was 79.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 12475.07 ms. Allocated memory was 233.8 MB in the beginning and 396.9 MB in the end (delta: 163.1 MB). Free memory was 189.9 MB in the beginning and 239.3 MB in the end (delta: -49.5 MB). Peak memory consumption was 262.7 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 410]: 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: 734]: Loop Invariant Derived loop invariant: ((((!(0 == \old(pumpRunning)) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && pumpRunning == 0)) || (0 == methaneLevelCritical && 0 == splverifierCounter)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 733]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(systemActive == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 427]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 417]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 237 locations, 1 error locations. Result: SAFE, OverallTime: 12.3s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 3.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.7s, HoareTripleCheckerStatistics: 1935 SDtfs, 953 SDslu, 4575 SDs, 0 SdLazy, 1500 SolverSat, 247 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 645 GetRequests, 541 SyntacticMatches, 12 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 177 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=758occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 79 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 1654 PreInvPairs, 1742 NumberOfFragments, 1566 HoareAnnotationTreeSize, 1654 FomulaSimplifications, 1582 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 6251 FormulaSimplificationTreeSizeReductionInter, 3.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 3.1s InterpolantComputationTime, 1237 NumberOfCodeBlocks, 1237 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 1487 ConstructedInterpolants, 0 QuantifiedInterpolants, 257640 SizeOfPredicates, 6 NumberOfNonLiveVariables, 1718 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 15 InterpolantComputations, 11 PerfectInterpolantSequences, 154/162 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...