java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:04:22,781 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:04:22,783 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:04:22,795 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:04:22,795 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:04:22,797 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:04:22,798 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:04:22,800 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:04:22,802 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:04:22,803 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:04:22,804 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:04:22,805 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:04:22,806 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:04:22,807 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:04:22,808 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:04:22,809 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:04:22,810 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:04:22,811 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:04:22,813 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:04:22,816 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:04:22,817 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:04:22,819 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:04:22,820 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:04:22,821 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:04:22,823 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:04:22,824 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:04:22,824 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:04:22,825 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:04:22,825 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:04:22,827 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:04:22,827 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:04:22,828 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:04:22,829 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:04:22,830 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:04:22,831 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:04:22,831 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:04:22,832 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:04:22,832 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:04:22,832 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:04:22,833 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:04:22,834 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:04:22,835 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 [2019-09-20 13:04:22,854 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:04:22,854 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:04:22,857 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:04:22,857 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:04:22,857 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:04:22,857 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:04:22,858 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:04:22,858 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:04:22,859 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:04:22,859 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:04:22,859 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:04:22,860 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:04:22,860 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:04:22,860 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:04:22,860 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:04:22,860 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:04:22,861 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:04:22,861 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:04:22,862 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:04:22,862 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:04:22,863 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:04:22,863 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:22,863 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:04:22,864 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:04:22,864 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:04:22,864 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:04:22,864 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:04:22,865 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:04:22,865 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:04:22,920 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:04:22,942 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:04:22,946 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:04:22,950 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:04:22,950 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:04:22,951 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2019-09-20 13:04:23,017 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f46abc3/fe35611403164e799322145cbb304719/FLAGebd91394d [2019-09-20 13:04:23,560 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:04:23,563 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product58.cil.c [2019-09-20 13:04:23,575 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f46abc3/fe35611403164e799322145cbb304719/FLAGebd91394d [2019-09-20 13:04:23,834 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/15f46abc3/fe35611403164e799322145cbb304719 [2019-09-20 13:04:23,844 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:04:23,846 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:04:23,847 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:23,847 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:04:23,851 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:04:23,852 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:23,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5e757327 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:23, skipping insertion in model container [2019-09-20 13:04:23,856 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:04:23" (1/1) ... [2019-09-20 13:04:23,864 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:04:23,909 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:04:24,381 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:24,405 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:04:24,516 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:04:24,553 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:04:24,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24 WrapperNode [2019-09-20 13:04:24,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:04:24,554 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:04:24,554 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:04:24,554 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:04:24,566 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24" (1/1) ... [2019-09-20 13:04:24,566 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24" (1/1) ... [2019-09-20 13:04:24,585 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24" (1/1) ... [2019-09-20 13:04:24,585 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24" (1/1) ... [2019-09-20 13:04:24,614 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24" (1/1) ... [2019-09-20 13:04:24,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24" (1/1) ... [2019-09-20 13:04:24,641 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24" (1/1) ... [2019-09-20 13:04:24,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:04:24,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:04:24,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:04:24,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:04:24,666 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:04:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:04:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:04:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:24,739 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:04:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:04:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:04:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:04:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:04:24,740 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:04:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:04:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:04:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:04:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:04:24,741 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:04:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:04:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:04:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:04:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:04:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:04:24,742 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:04:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:04:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:04:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:04:24,743 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:04:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:04:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:04:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:04:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:04:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:24,744 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:04:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:04:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:04:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:04:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:04:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:24,745 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:04:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:04:24,746 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:04:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:04:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:04:24,746 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:04:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:04:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:04:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:04:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:04:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:04:24,747 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:04:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:04:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:04:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:04:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:04:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:04:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:04:24,748 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:04:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:04:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:04:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:04:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:04:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:04:24,749 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:04:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:04:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:04:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:04:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:04:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:04:24,750 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:04:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2019-09-20 13:04:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:04:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:04:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:04:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:04:24,751 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:04:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2019-09-20 13:04:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:04:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:04:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:04:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:04:24,752 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:04:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:04:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:04:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:04:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:04:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:04:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:04:24,753 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:04:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:04:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:04:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:04:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:04:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:04:24,754 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:04:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:04:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:04:24,755 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:04:26,015 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:04:26,015 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:04:26,017 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:26 BoogieIcfgContainer [2019-09-20 13:04:26,017 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:04:26,018 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:04:26,018 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:04:26,022 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:04:26,022 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:04:23" (1/3) ... [2019-09-20 13:04:26,023 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc9a1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:26, skipping insertion in model container [2019-09-20 13:04:26,023 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:04:24" (2/3) ... [2019-09-20 13:04:26,024 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4bc9a1ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:04:26, skipping insertion in model container [2019-09-20 13:04:26,024 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:04:26" (3/3) ... [2019-09-20 13:04:26,026 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product58.cil.c [2019-09-20 13:04:26,037 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:04:26,046 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:04:26,065 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:04:26,098 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:04:26,099 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:04:26,100 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:04:26,100 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:04:26,100 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:04:26,100 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:04:26,101 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:04:26,101 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:04:26,101 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:04:26,130 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states. [2019-09-20 13:04:26,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:04:26,146 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,147 INFO L407 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] [2019-09-20 13:04:26,150 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,157 INFO L82 PathProgramCache]: Analyzing trace with hash 252979836, now seen corresponding path program 1 times [2019-09-20 13:04:26,159 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:26,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:26,477 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:26,478 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:04:26,483 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:04:26,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:04:26,504 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:04:26,506 INFO L87 Difference]: Start difference. First operand 187 states. Second operand 2 states. [2019-09-20 13:04:26,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:26,560 INFO L93 Difference]: Finished difference Result 288 states and 353 transitions. [2019-09-20 13:04:26,560 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:04:26,562 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:04:26,562 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:26,576 INFO L225 Difference]: With dead ends: 288 [2019-09-20 13:04:26,577 INFO L226 Difference]: Without dead ends: 144 [2019-09-20 13:04:26,582 INFO L636 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 [2019-09-20 13:04:26,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2019-09-20 13:04:26,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 144. [2019-09-20 13:04:26,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 144 states. [2019-09-20 13:04:26,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 168 transitions. [2019-09-20 13:04:26,640 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 168 transitions. Word has length 46 [2019-09-20 13:04:26,641 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:26,641 INFO L475 AbstractCegarLoop]: Abstraction has 144 states and 168 transitions. [2019-09-20 13:04:26,641 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:04:26,641 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 168 transitions. [2019-09-20 13:04:26,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:04:26,645 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,645 INFO L407 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] [2019-09-20 13:04:26,645 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,646 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,646 INFO L82 PathProgramCache]: Analyzing trace with hash -810106616, now seen corresponding path program 1 times [2019-09-20 13:04:26,646 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,646 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,649 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:26,827 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:26,827 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:04:26,829 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:04:26,829 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:04:26,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:04:26,830 INFO L87 Difference]: Start difference. First operand 144 states and 168 transitions. Second operand 3 states. [2019-09-20 13:04:26,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:26,854 INFO L93 Difference]: Finished difference Result 233 states and 271 transitions. [2019-09-20 13:04:26,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:04:26,855 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:04:26,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:26,859 INFO L225 Difference]: With dead ends: 233 [2019-09-20 13:04:26,860 INFO L226 Difference]: Without dead ends: 135 [2019-09-20 13:04:26,861 INFO L636 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 [2019-09-20 13:04:26,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-09-20 13:04:26,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-09-20 13:04:26,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-09-20 13:04:26,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 156 transitions. [2019-09-20 13:04:26,892 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 156 transitions. Word has length 47 [2019-09-20 13:04:26,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:26,893 INFO L475 AbstractCegarLoop]: Abstraction has 135 states and 156 transitions. [2019-09-20 13:04:26,893 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:04:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 156 transitions. [2019-09-20 13:04:26,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:04:26,897 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:26,897 INFO L407 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] [2019-09-20 13:04:26,897 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:26,897 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:26,898 INFO L82 PathProgramCache]: Analyzing trace with hash 2111665897, now seen corresponding path program 1 times [2019-09-20 13:04:26,898 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:26,898 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:26,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,901 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:26,901 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:26,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:27,094 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:27,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:27,095 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:27,095 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:27,096 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:27,096 INFO L87 Difference]: Start difference. First operand 135 states and 156 transitions. Second operand 7 states. [2019-09-20 13:04:27,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:27,437 INFO L93 Difference]: Finished difference Result 246 states and 289 transitions. [2019-09-20 13:04:27,437 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:27,437 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:04:27,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:27,440 INFO L225 Difference]: With dead ends: 246 [2019-09-20 13:04:27,440 INFO L226 Difference]: Without dead ends: 135 [2019-09-20 13:04:27,442 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:27,442 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 135 states. [2019-09-20 13:04:27,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 135 to 135. [2019-09-20 13:04:27,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 135 states. [2019-09-20 13:04:27,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 135 states and 155 transitions. [2019-09-20 13:04:27,458 INFO L78 Accepts]: Start accepts. Automaton has 135 states and 155 transitions. Word has length 52 [2019-09-20 13:04:27,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:27,459 INFO L475 AbstractCegarLoop]: Abstraction has 135 states and 155 transitions. [2019-09-20 13:04:27,459 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 155 transitions. [2019-09-20 13:04:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2019-09-20 13:04:27,462 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:27,462 INFO L407 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] [2019-09-20 13:04:27,462 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:27,463 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:27,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2095161910, now seen corresponding path program 1 times [2019-09-20 13:04:27,463 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:27,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:27,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,468 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:27,468 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:27,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:27,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:27,627 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:27,628 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-09-20 13:04:27,628 INFO L454 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-09-20 13:04:27,633 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-09-20 13:04:27,633 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:04:27,633 INFO L87 Difference]: Start difference. First operand 135 states and 155 transitions. Second operand 5 states. [2019-09-20 13:04:28,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:28,191 INFO L93 Difference]: Finished difference Result 347 states and 415 transitions. [2019-09-20 13:04:28,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:04:28,191 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 65 [2019-09-20 13:04:28,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:28,194 INFO L225 Difference]: With dead ends: 347 [2019-09-20 13:04:28,194 INFO L226 Difference]: Without dead ends: 236 [2019-09-20 13:04:28,196 INFO L636 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 [2019-09-20 13:04:28,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2019-09-20 13:04:28,241 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 217. [2019-09-20 13:04:28,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 217 states. [2019-09-20 13:04:28,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 246 transitions. [2019-09-20 13:04:28,243 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 246 transitions. Word has length 65 [2019-09-20 13:04:28,244 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:28,244 INFO L475 AbstractCegarLoop]: Abstraction has 217 states and 246 transitions. [2019-09-20 13:04:28,246 INFO L476 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-09-20 13:04:28,246 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 246 transitions. [2019-09-20 13:04:28,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2019-09-20 13:04:28,259 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:28,261 INFO L407 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] [2019-09-20 13:04:28,262 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:28,262 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:28,262 INFO L82 PathProgramCache]: Analyzing trace with hash 1983258682, now seen corresponding path program 1 times [2019-09-20 13:04:28,262 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:28,262 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:28,270 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,272 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:28,272 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:28,438 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:28,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:28,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:28,441 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:28,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:28,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:28,442 INFO L87 Difference]: Start difference. First operand 217 states and 246 transitions. Second operand 6 states. [2019-09-20 13:04:28,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:28,672 INFO L93 Difference]: Finished difference Result 588 states and 688 transitions. [2019-09-20 13:04:28,673 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:28,673 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 79 [2019-09-20 13:04:28,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:28,679 INFO L225 Difference]: With dead ends: 588 [2019-09-20 13:04:28,679 INFO L226 Difference]: Without dead ends: 395 [2019-09-20 13:04:28,681 INFO L636 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 [2019-09-20 13:04:28,683 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2019-09-20 13:04:28,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 389. [2019-09-20 13:04:28,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-09-20 13:04:28,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 442 transitions. [2019-09-20 13:04:28,744 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 442 transitions. Word has length 79 [2019-09-20 13:04:28,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:28,744 INFO L475 AbstractCegarLoop]: Abstraction has 389 states and 442 transitions. [2019-09-20 13:04:28,744 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:28,745 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 442 transitions. [2019-09-20 13:04:28,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-09-20 13:04:28,750 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:28,750 INFO L407 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] [2019-09-20 13:04:28,750 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:28,751 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:28,751 INFO L82 PathProgramCache]: Analyzing trace with hash -2086163970, now seen corresponding path program 1 times [2019-09-20 13:04:28,751 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:28,751 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:28,754 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:28,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:28,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:28,951 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:04:28,951 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:28,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:04:28,952 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:04:28,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:04:28,953 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:04:28,953 INFO L87 Difference]: Start difference. First operand 389 states and 442 transitions. Second operand 7 states. [2019-09-20 13:04:29,621 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,621 INFO L93 Difference]: Finished difference Result 424 states and 496 transitions. [2019-09-20 13:04:29,621 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2019-09-20 13:04:29,622 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 83 [2019-09-20 13:04:29,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,625 INFO L225 Difference]: With dead ends: 424 [2019-09-20 13:04:29,625 INFO L226 Difference]: Without dead ends: 421 [2019-09-20 13:04:29,626 INFO L636 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 [2019-09-20 13:04:29,627 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2019-09-20 13:04:29,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 389. [2019-09-20 13:04:29,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 389 states. [2019-09-20 13:04:29,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 389 states and 441 transitions. [2019-09-20 13:04:29,656 INFO L78 Accepts]: Start accepts. Automaton has 389 states and 441 transitions. Word has length 83 [2019-09-20 13:04:29,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,657 INFO L475 AbstractCegarLoop]: Abstraction has 389 states and 441 transitions. [2019-09-20 13:04:29,657 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:04:29,657 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 441 transitions. [2019-09-20 13:04:29,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-20 13:04:29,659 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,659 INFO L407 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] [2019-09-20 13:04:29,660 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,660 INFO L82 PathProgramCache]: Analyzing trace with hash -1672866455, now seen corresponding path program 1 times [2019-09-20 13:04:29,660 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,660 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:29,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:29,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:29,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-09-20 13:04:29,773 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:29,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:29,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:29,774 INFO L87 Difference]: Start difference. First operand 389 states and 441 transitions. Second operand 6 states. [2019-09-20 13:04:29,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:29,825 INFO L93 Difference]: Finished difference Result 768 states and 890 transitions. [2019-09-20 13:04:29,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-09-20 13:04:29,825 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 99 [2019-09-20 13:04:29,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:29,829 INFO L225 Difference]: With dead ends: 768 [2019-09-20 13:04:29,829 INFO L226 Difference]: Without dead ends: 403 [2019-09-20 13:04:29,831 INFO L636 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 [2019-09-20 13:04:29,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 403 states. [2019-09-20 13:04:29,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 403 to 399. [2019-09-20 13:04:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2019-09-20 13:04:29,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 451 transitions. [2019-09-20 13:04:29,868 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 451 transitions. Word has length 99 [2019-09-20 13:04:29,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:29,869 INFO L475 AbstractCegarLoop]: Abstraction has 399 states and 451 transitions. [2019-09-20 13:04:29,869 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:29,869 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 451 transitions. [2019-09-20 13:04:29,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-20 13:04:29,873 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:29,873 INFO L407 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] [2019-09-20 13:04:29,874 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:29,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:29,874 INFO L82 PathProgramCache]: Analyzing trace with hash -779380117, now seen corresponding path program 1 times [2019-09-20 13:04:29,874 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:29,876 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:29,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,878 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:29,878 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:29,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,018 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:30,018 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:30,018 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2019-09-20 13:04:30,019 INFO L454 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-09-20 13:04:30,019 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-09-20 13:04:30,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2019-09-20 13:04:30,020 INFO L87 Difference]: Start difference. First operand 399 states and 451 transitions. Second operand 8 states. [2019-09-20 13:04:30,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,065 INFO L93 Difference]: Finished difference Result 788 states and 912 transitions. [2019-09-20 13:04:30,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:30,066 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 99 [2019-09-20 13:04:30,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,072 INFO L225 Difference]: With dead ends: 788 [2019-09-20 13:04:30,073 INFO L226 Difference]: Without dead ends: 413 [2019-09-20 13:04:30,075 INFO L636 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 [2019-09-20 13:04:30,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2019-09-20 13:04:30,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2019-09-20 13:04:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 407 states. [2019-09-20 13:04:30,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 459 transitions. [2019-09-20 13:04:30,105 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 459 transitions. Word has length 99 [2019-09-20 13:04:30,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,105 INFO L475 AbstractCegarLoop]: Abstraction has 407 states and 459 transitions. [2019-09-20 13:04:30,105 INFO L476 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-09-20 13:04:30,105 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 459 transitions. [2019-09-20 13:04:30,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-09-20 13:04:30,110 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,111 INFO L407 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] [2019-09-20 13:04:30,111 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,111 INFO L82 PathProgramCache]: Analyzing trace with hash -787139476, now seen corresponding path program 1 times [2019-09-20 13:04:30,111 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,112 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,218 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:30,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:30,219 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:04:30,219 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:04:30,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:04:30,220 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:04:30,220 INFO L87 Difference]: Start difference. First operand 407 states and 459 transitions. Second operand 4 states. [2019-09-20 13:04:30,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:30,462 INFO L93 Difference]: Finished difference Result 1209 states and 1432 transitions. [2019-09-20 13:04:30,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-09-20 13:04:30,462 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 99 [2019-09-20 13:04:30,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:30,468 INFO L225 Difference]: With dead ends: 1209 [2019-09-20 13:04:30,468 INFO L226 Difference]: Without dead ends: 826 [2019-09-20 13:04:30,470 INFO L636 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 [2019-09-20 13:04:30,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 826 states. [2019-09-20 13:04:30,517 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 826 to 811. [2019-09-20 13:04:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 811 states. [2019-09-20 13:04:30,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 811 states to 811 states and 941 transitions. [2019-09-20 13:04:30,523 INFO L78 Accepts]: Start accepts. Automaton has 811 states and 941 transitions. Word has length 99 [2019-09-20 13:04:30,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:30,523 INFO L475 AbstractCegarLoop]: Abstraction has 811 states and 941 transitions. [2019-09-20 13:04:30,524 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:04:30,524 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 941 transitions. [2019-09-20 13:04:30,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-09-20 13:04:30,526 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:30,526 INFO L407 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] [2019-09-20 13:04:30,526 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:30,527 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:30,527 INFO L82 PathProgramCache]: Analyzing trace with hash -1176915630, now seen corresponding path program 1 times [2019-09-20 13:04:30,527 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:30,527 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:30,529 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,529 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:30,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,675 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:04:30,675 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:30,675 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:30,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:30,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:30,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 781 conjuncts, 9 conjunts are in the unsatisfiable core [2019-09-20 13:04:30,920 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:31,195 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (2)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:04:31,206 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:31,207 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [13] total 19 [2019-09-20 13:04:31,207 INFO L454 AbstractCegarLoop]: Interpolant automaton has 19 states [2019-09-20 13:04:31,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2019-09-20 13:04:31,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:04:31,208 INFO L87 Difference]: Start difference. First operand 811 states and 941 transitions. Second operand 19 states. [2019-09-20 13:04:32,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:32,591 INFO L93 Difference]: Finished difference Result 1568 states and 1839 transitions. [2019-09-20 13:04:32,592 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2019-09-20 13:04:32,592 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 103 [2019-09-20 13:04:32,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:32,597 INFO L225 Difference]: With dead ends: 1568 [2019-09-20 13:04:32,597 INFO L226 Difference]: Without dead ends: 781 [2019-09-20 13:04:32,600 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 98 SyntacticMatches, 1 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 142 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=115, Invalid=877, Unknown=0, NotChecked=0, Total=992 [2019-09-20 13:04:32,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 781 states. [2019-09-20 13:04:32,641 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 781 to 781. [2019-09-20 13:04:32,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 781 states. [2019-09-20 13:04:32,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 781 states and 892 transitions. [2019-09-20 13:04:32,646 INFO L78 Accepts]: Start accepts. Automaton has 781 states and 892 transitions. Word has length 103 [2019-09-20 13:04:32,646 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:32,646 INFO L475 AbstractCegarLoop]: Abstraction has 781 states and 892 transitions. [2019-09-20 13:04:32,647 INFO L476 AbstractCegarLoop]: Interpolant automaton has 19 states. [2019-09-20 13:04:32,647 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 892 transitions. [2019-09-20 13:04:32,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-09-20 13:04:32,651 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:32,651 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:32,652 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:32,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:32,652 INFO L82 PathProgramCache]: Analyzing trace with hash -1219888640, now seen corresponding path program 1 times [2019-09-20 13:04:32,652 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:32,652 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:32,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:32,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:32,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:32,799 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 22 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:04:32,800 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:32,800 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:32,869 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:33,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:33,008 INFO L256 TraceCheckSpWp]: Trace formula consists of 915 conjuncts, 4 conjunts are in the unsatisfiable core [2019-09-20 13:04:33,025 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:33,082 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-09-20 13:04:33,091 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:33,091 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 6 [2019-09-20 13:04:33,092 INFO L454 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-09-20 13:04:33,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-09-20 13:04:33,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2019-09-20 13:04:33,093 INFO L87 Difference]: Start difference. First operand 781 states and 892 transitions. Second operand 6 states. [2019-09-20 13:04:33,971 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:33,972 INFO L93 Difference]: Finished difference Result 1705 states and 2042 transitions. [2019-09-20 13:04:33,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:04:33,972 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2019-09-20 13:04:33,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:33,982 INFO L225 Difference]: With dead ends: 1705 [2019-09-20 13:04:33,982 INFO L226 Difference]: Without dead ends: 1076 [2019-09-20 13:04:33,985 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 173 GetRequests, 165 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:33,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1076 states. [2019-09-20 13:04:34,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1076 to 969. [2019-09-20 13:04:34,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 969 states. [2019-09-20 13:04:34,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 969 states and 1124 transitions. [2019-09-20 13:04:34,080 INFO L78 Accepts]: Start accepts. Automaton has 969 states and 1124 transitions. Word has length 161 [2019-09-20 13:04:34,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:34,081 INFO L475 AbstractCegarLoop]: Abstraction has 969 states and 1124 transitions. [2019-09-20 13:04:34,081 INFO L476 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-09-20 13:04:34,082 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1124 transitions. [2019-09-20 13:04:34,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-20 13:04:34,086 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:34,087 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:34,087 INFO L418 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:34,087 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:34,087 INFO L82 PathProgramCache]: Analyzing trace with hash 2006054760, now seen corresponding path program 1 times [2019-09-20 13:04:34,088 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:34,088 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:34,090 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:34,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:34,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:34,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:34,450 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-09-20 13:04:34,450 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:04:34,450 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:04:34,521 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:34,644 INFO L256 TraceCheckSpWp]: Trace formula consists of 908 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:04:34,649 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:04:34,779 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (4)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:04:34,784 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:04:34,785 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:04:34,785 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:04:34,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:04:34,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=184, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:04:34,786 INFO L87 Difference]: Start difference. First operand 969 states and 1124 transitions. Second operand 16 states. [2019-09-20 13:04:37,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:37,368 INFO L93 Difference]: Finished difference Result 2969 states and 3754 transitions. [2019-09-20 13:04:37,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2019-09-20 13:04:37,368 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 157 [2019-09-20 13:04:37,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:37,385 INFO L225 Difference]: With dead ends: 2969 [2019-09-20 13:04:37,385 INFO L226 Difference]: Without dead ends: 2156 [2019-09-20 13:04:37,389 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 187 GetRequests, 159 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 187 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=198, Invalid=672, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:04:37,392 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2156 states. [2019-09-20 13:04:37,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2156 to 1833. [2019-09-20 13:04:37,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1833 states. [2019-09-20 13:04:37,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2123 transitions. [2019-09-20 13:04:37,517 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2123 transitions. Word has length 157 [2019-09-20 13:04:37,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:37,518 INFO L475 AbstractCegarLoop]: Abstraction has 1833 states and 2123 transitions. [2019-09-20 13:04:37,518 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:04:37,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2123 transitions. [2019-09-20 13:04:37,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-09-20 13:04:37,522 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:04:37,522 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-09-20 13:04:37,522 INFO L418 AbstractCegarLoop]: === Iteration 13 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:04:37,522 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:04:37,523 INFO L82 PathProgramCache]: Analyzing trace with hash -2014152922, now seen corresponding path program 1 times [2019-09-20 13:04:37,523 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:04:37,523 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:04:37,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:37,526 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:04:37,526 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:04:37,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:04:37,684 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-09-20 13:04:37,685 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:04:37,685 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2019-09-20 13:04:37,687 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:04:37,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:04:37,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:04:37,688 INFO L87 Difference]: Start difference. First operand 1833 states and 2123 transitions. Second operand 9 states. [2019-09-20 13:04:37,787 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:04:37,787 INFO L93 Difference]: Finished difference Result 2267 states and 2620 transitions. [2019-09-20 13:04:37,788 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:04:37,788 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2019-09-20 13:04:37,789 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:04:37,791 INFO L225 Difference]: With dead ends: 2267 [2019-09-20 13:04:37,791 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:04:37,800 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:04:37,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:04:37,801 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:04:37,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:04:37,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:04:37,803 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2019-09-20 13:04:37,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:04:37,803 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:04:37,804 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:04:37,804 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:04:37,804 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:04:37,812 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:04:38,801 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 19 [2019-09-20 13:04:39,188 WARN L191 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 31 [2019-09-20 13:04:39,422 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2019-09-20 13:04:39,567 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-09-20 13:04:39,688 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 32 [2019-09-20 13:04:40,106 WARN L191 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 40 [2019-09-20 13:04:40,321 WARN L191 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 34 [2019-09-20 13:04:40,433 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 32 [2019-09-20 13:04:40,551 WARN L191 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 31 [2019-09-20 13:04:40,765 WARN L191 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 36 [2019-09-20 13:04:40,909 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 30 [2019-09-20 13:04:41,187 WARN L191 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 29 [2019-09-20 13:04:41,484 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 33 [2019-09-20 13:04:41,736 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 33 [2019-09-20 13:04:41,948 WARN L191 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 24 [2019-09-20 13:04:42,185 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 23 [2019-09-20 13:04:42,345 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 26 [2019-09-20 13:04:42,778 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 38 [2019-09-20 13:04:43,041 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 705) no Hoare annotation was computed. [2019-09-20 13:04:43,041 INFO L443 ceAbstractionStarter]: For program point L701-1(lines 701 705) no Hoare annotation was computed. [2019-09-20 13:04:43,041 INFO L443 ceAbstractionStarter]: For program point L696(line 696) no Hoare annotation was computed. [2019-09-20 13:04:43,041 INFO L443 ceAbstractionStarter]: For program point L695-2(lines 695 716) no Hoare annotation was computed. [2019-09-20 13:04:43,042 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 670 725) no Hoare annotation was computed. [2019-09-20 13:04:43,042 INFO L443 ceAbstractionStarter]: For program point L717(lines 694 718) no Hoare annotation was computed. [2019-09-20 13:04:43,042 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 670 725) no Hoare annotation was computed. [2019-09-20 13:04:43,042 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 670 725) no Hoare annotation was computed. [2019-09-20 13:04:43,042 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 762) no Hoare annotation was computed. [2019-09-20 13:04:43,042 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 726 785) no Hoare annotation was computed. [2019-09-20 13:04:43,042 INFO L443 ceAbstractionStarter]: For program point L758-1(lines 758 762) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point L753(line 753) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 726 785) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point L752-2(lines 752 777) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point L778(lines 751 779) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 726 785) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point L771(line 771) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point L771-1(line 771) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 601 607) the Hoare annotation is: true [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 601 607) no Hoare annotation was computed. [2019-09-20 13:04:43,043 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 608 616) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 608 616) the Hoare annotation is: true [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 608 616) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 238 260) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,044 INFO L439 ceAbstractionStarter]: At program point L250(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,044 INFO L439 ceAbstractionStarter]: At program point L250-1(line 250) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~0 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= main_~tmp~0 1) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 238 260) no Hoare annotation was computed. [2019-09-20 13:04:43,044 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 255) no Hoare annotation was computed. [2019-09-20 13:04:43,045 INFO L443 ceAbstractionStarter]: For program point L248-1(lines 248 255) no Hoare annotation was computed. [2019-09-20 13:04:43,045 INFO L443 ceAbstractionStarter]: For program point L246(line 246) no Hoare annotation was computed. [2019-09-20 13:04:43,045 INFO L439 ceAbstractionStarter]: At program point L245(line 245) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,045 INFO L439 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,045 INFO L439 ceAbstractionStarter]: At program point L244-1(line 244) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 238 260) no Hoare annotation was computed. [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 193 216) no Hoare annotation was computed. [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 193 216) no Hoare annotation was computed. [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 193 216) no Hoare annotation was computed. [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point L211(line 211) no Hoare annotation was computed. [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point L210(line 210) no Hoare annotation was computed. [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point L209(line 209) no Hoare annotation was computed. [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point L208(line 208) no Hoare annotation was computed. [2019-09-20 13:04:43,046 INFO L443 ceAbstractionStarter]: For program point L207(line 207) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L206(line 206) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L203(line 203) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L200(line 200) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-09-20 13:04:43,047 INFO L443 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 398 406) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 398 406) the Hoare annotation is: true [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 398 406) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 462 480) the Hoare annotation is: true [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 475) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 462 480) no Hoare annotation was computed. [2019-09-20 13:04:43,048 INFO L446 ceAbstractionStarter]: At program point L469(line 469) the Hoare annotation is: true [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L471-2(lines 471 475) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L469-1(line 469) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 462 480) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 422) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L414-2(lines 414 422) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L437-1(line 437) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 407 442) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 434) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point L426-2(lines 426 434) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 407 442) no Hoare annotation was computed. [2019-09-20 13:04:43,049 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 407 442) no Hoare annotation was computed. [2019-09-20 13:04:43,050 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 594 600) no Hoare annotation was computed. [2019-09-20 13:04:43,050 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 594 600) the Hoare annotation is: true [2019-09-20 13:04:43,050 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 624 669) no Hoare annotation was computed. [2019-09-20 13:04:43,050 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 624 669) no Hoare annotation was computed. [2019-09-20 13:04:43,050 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 624 669) no Hoare annotation was computed. [2019-09-20 13:04:43,050 INFO L443 ceAbstractionStarter]: For program point L957(lines 957 964) no Hoare annotation was computed. [2019-09-20 13:04:43,050 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 937 982) no Hoare annotation was computed. [2019-09-20 13:04:43,050 INFO L443 ceAbstractionStarter]: For program point L951(lines 951 971) no Hoare annotation was computed. [2019-09-20 13:04:43,050 INFO L443 ceAbstractionStarter]: For program point L951-1(lines 951 971) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 937 982) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 937 982) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 225 234) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 225 234) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 225 234) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 387 397) the Hoare annotation is: true [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 387 397) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L446 ceAbstractionStarter]: At program point L392(line 392) the Hoare annotation is: true [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point L392-1(line 392) no Hoare annotation was computed. [2019-09-20 13:04:43,051 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 387 397) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 379 386) the Hoare annotation is: (let ((.cse2 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse3 (= 0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse0 .cse1 .cse3))) [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 379 386) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 379 386) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 146) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 136 149) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 136 149) the Hoare annotation is: true [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 136 149) no Hoare annotation was computed. [2019-09-20 13:04:43,052 INFO L439 ceAbstractionStarter]: At program point L347(line 347) the Hoare annotation is: (let ((.cse3 (= 0 |old(~pumpRunning~0)|)) (.cse4 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= ~methaneLevelCritical~0 0))) (.cse5 (= ~pumpRunning~0 0))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse0 .cse1 .cse3) (or .cse4 .cse5 .cse0 .cse1) (or .cse5 (or (not (<= 2 ~waterLevel~0)) .cse1 .cse2)) (or (or .cse1 (not (= ~waterLevel~0 1)) .cse2) .cse5))) [2019-09-20 13:04:43,052 INFO L443 ceAbstractionStarter]: For program point L347-1(lines 328 352) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 328 352) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L439 ceAbstractionStarter]: At program point L342(line 342) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1) (or .cse0 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,053 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 328 352) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse1 .cse2 .cse0 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,053 INFO L439 ceAbstractionStarter]: At program point L338(line 338) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment_~tmp~2))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse5) (or .cse4 .cse2 .cse3 .cse5))) [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point L336(lines 336 344) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L439 ceAbstractionStarter]: At program point L334(line 334) the Hoare annotation is: (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse5 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse2 .cse3) (or .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse2 .cse3 .cse5))) [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point L334-1(line 334) no Hoare annotation was computed. [2019-09-20 13:04:43,053 INFO L443 ceAbstractionStarter]: For program point L332(lines 332 349) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 294 300) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 294 300) the Hoare annotation is: true [2019-09-20 13:04:43,054 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 516 581) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,054 INFO L439 ceAbstractionStarter]: At program point L574(lines 525 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0))) [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 516 581) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point L564(lines 564 568) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L439 ceAbstractionStarter]: At program point L564-2(lines 556 569) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse5 .cse2 .cse6) (and .cse0 .cse2 .cse4 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,054 INFO L443 ceAbstractionStarter]: For program point L527(lines 526 573) no Hoare annotation was computed. [2019-09-20 13:04:43,054 INFO L439 ceAbstractionStarter]: At program point L558(line 558) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse6 (= 1 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse5 (<= 2 ~waterLevel~0)) (.cse2 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse5 .cse2 .cse6) (and .cse0 .cse2 .cse4 .cse3 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 .cse5 .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 569) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L439 ceAbstractionStarter]: At program point L548(line 548) the Hoare annotation is: (let ((.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse0 (= 1 ~systemActive~0)) (.cse1 (= 0 ~methaneLevelCritical~0)) (.cse2 (= 0 test_~splverifierCounter~0))) (or (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 .cse4 .cse3 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 552) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point L546-1(lines 546 552) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L439 ceAbstractionStarter]: At program point L571(lines 526 573) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse4 (<= 1 ~waterLevel~0)) (.cse3 (= ~pumpRunning~0 0))) (or (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (not (= |old(~systemActive~0)| 1)) (and .cse0 .cse2 .cse4 .cse3 (= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,055 INFO L439 ceAbstractionStarter]: At program point L538(line 538) the Hoare annotation is: (let ((.cse1 (= 0 ~methaneLevelCritical~0)) (.cse0 (= 1 ~systemActive~0)) (.cse2 (= 0 test_~splverifierCounter~0)) (.cse3 (= ~pumpRunning~0 0)) (.cse4 (<= 1 ~waterLevel~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 .cse1 (<= 2 ~waterLevel~0) .cse2) (and (and .cse0 .cse1 .cse2 .cse3) .cse4) (and (and (and .cse0 .cse2 .cse3) (= 1 ~methaneLevelCritical~0)) .cse4) (not (= |old(~waterLevel~0)| 1)) (not (= |old(~methaneLevelCritical~0)| 0)))) [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 542) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point L536-1(lines 536 542) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point L528(lines 528 532) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 516 581) no Hoare annotation was computed. [2019-09-20 13:04:43,055 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 891 936) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 891 936) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 891 936) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point L911(lines 911 918) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point L905(lines 905 925) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point L905-1(lines 905 925) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L439 ceAbstractionStarter]: At program point activatePump__wrappee__lowWaterSensorENTRY(lines 353 360) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 2 ~waterLevel~0)) (not (= ~systemActive~0 1)) (not (= ~methaneLevelCritical~0 0)) (= ~pumpRunning~0 0)) [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 353 360) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 353 360) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 150 158) no Hoare annotation was computed. [2019-09-20 13:04:43,056 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 150 158) the Hoare annotation is: true [2019-09-20 13:04:43,056 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 150 158) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point L112(lines 112 120) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point L112-2(lines 112 120) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 104 126) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 104 126) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 104 126) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 584 593) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 584 593) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 584 593) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 788 890) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point L853(line 853) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point L853-1(line 853) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point L812(lines 812 816) no Hoare annotation was computed. [2019-09-20 13:04:43,057 INFO L443 ceAbstractionStarter]: For program point L876(lines 876 887) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L839(lines 839 843) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 788 890) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L837-2(lines 837 857) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L858(lines 836 859) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 788 890) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L817(lines 817 833) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L877(lines 877 884) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L838(lines 837 857) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L869(line 869) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L869-1(line 869) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point L834(lines 834 875) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,058 INFO L439 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) [2019-09-20 13:04:43,059 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,059 INFO L443 ceAbstractionStarter]: For program point L369(lines 369 375) no Hoare annotation was computed. [2019-09-20 13:04:43,059 INFO L439 ceAbstractionStarter]: At program point L367(line 367) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:04:43,059 INFO L443 ceAbstractionStarter]: For program point L367-1(line 367) no Hoare annotation was computed. [2019-09-20 13:04:43,059 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 362 378) no Hoare annotation was computed. [2019-09-20 13:04:43,059 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 362 378) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 2 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 (not (= ~methaneLevelCritical~0 0)) .cse1))) [2019-09-20 13:04:43,059 INFO L439 ceAbstractionStarter]: At program point L373(line 373) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (and (= ~methaneLevelCritical~0 activatePump_~tmp~3) (= ~pumpRunning~0 0)) .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,059 INFO L443 ceAbstractionStarter]: For program point L373-1(lines 362 378) no Hoare annotation was computed. [2019-09-20 13:04:43,059 INFO L443 ceAbstractionStarter]: For program point getWaterLevelENTRY(lines 127 135) no Hoare annotation was computed. [2019-09-20 13:04:43,060 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 127 135) no Hoare annotation was computed. [2019-09-20 13:04:43,060 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 127 135) no Hoare annotation was computed. [2019-09-20 13:04:43,060 INFO L443 ceAbstractionStarter]: For program point L450-1(line 450) no Hoare annotation was computed. [2019-09-20 13:04:43,060 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 443 461) no Hoare annotation was computed. [2019-09-20 13:04:43,060 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 443 461) the Hoare annotation is: true [2019-09-20 13:04:43,060 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 443 461) no Hoare annotation was computed. [2019-09-20 13:04:43,060 INFO L443 ceAbstractionStarter]: For program point L452(lines 452 456) no Hoare annotation was computed. [2019-09-20 13:04:43,060 INFO L446 ceAbstractionStarter]: At program point L450(line 450) the Hoare annotation is: true [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point L452-2(lines 452 456) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L439 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 83 94) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse3 (= 0 ~methaneLevelCritical~0)) (.cse1 (not (= ~systemActive~0 1))) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0)))) (and (or (not (= |old(~methaneLevelCritical~0)| 1)) .cse0 (= 1 ~methaneLevelCritical~0) (not (<= 1 ~waterLevel~0)) .cse1) (or (or .cse0 .cse1 (not (= ~waterLevel~0 1)) .cse2) .cse3) (or .cse3 (or (not (<= 2 ~waterLevel~0)) .cse1 .cse2)))) [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 83 94) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 83 94) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,061 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,062 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 95 103) the Hoare annotation is: true [2019-09-20 13:04:43,062 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 95 103) no Hoare annotation was computed. [2019-09-20 13:04:43,062 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 95 103) no Hoare annotation was computed. [2019-09-20 13:04:43,062 INFO L439 ceAbstractionStarter]: At program point L283(line 283) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse6 (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1))) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse7 (= ~pumpRunning~0 0)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or (or .cse0 .cse4 .cse3) (and .cse5 .cse6)) (or (and .cse5 .cse7) (and .cse1 .cse5 .cse6) (or .cse4 .cse3 .cse8)) (or (or .cse1 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse8) .cse2)))) [2019-09-20 13:04:43,062 INFO L439 ceAbstractionStarter]: At program point L281(lines 281 287) the Hoare annotation is: (let ((.cse10 (= ~pumpRunning~0 0)) (.cse9 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse5 (and (= 1 ~systemActive~0) (= 0 ~methaneLevelCritical~0) (<= 2 ~waterLevel~0) .cse9)) (.cse2 (not (<= 2 |old(~waterLevel~0)|))) (.cse7 (not (= ~methaneLevelCritical~0 0))) (.cse0 (and (<= |old(~waterLevel~0)| (+ ~waterLevel~0 1)) .cse10)) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= 1 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1))) (.cse8 (and .cse9 .cse10))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse4 .cse5 .cse6 .cse3 .cse7 .cse8) (or .cse5 (or .cse2 .cse3 .cse7) .cse0) (or .cse1 .cse4 .cse6 .cse3 .cse8)))) [2019-09-20 13:04:43,062 INFO L439 ceAbstractionStarter]: At program point L276(line 276) the Hoare annotation is: (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 |old(~waterLevel~0)|))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 (or .cse6 .cse3 .cse4)) (or .cse5 (or .cse0 .cse6 .cse3)))) [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point L274(lines 273 292) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 270 293) the Hoare annotation is: (let ((.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= ~methaneLevelCritical~0 0))) (.cse2 (and .cse7 (= ~pumpRunning~0 0))) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse7)) (.cse0 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse3) (or .cse4 (or .cse5 .cse3 .cse6)) (or (or .cse1 .cse3 (not (= |old(~waterLevel~0)| 1)) .cse6) .cse2) (or .cse4 (or .cse0 .cse5 .cse3))))) [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 270 293) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 270 293) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 162 191) no Hoare annotation was computed. [2019-09-20 13:04:43,063 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 162 191) the Hoare annotation is: true [2019-09-20 13:04:43,063 INFO L446 ceAbstractionStarter]: At program point L187(lines 162 191) the Hoare annotation is: true [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L176(lines 176 180) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L446 ceAbstractionStarter]: At program point L176-1(lines 176 180) the Hoare annotation is: true [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L173(line 173) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L446 ceAbstractionStarter]: At program point L172-2(lines 172 186) the Hoare annotation is: true [2019-09-20 13:04:43,064 INFO L446 ceAbstractionStarter]: At program point L168(line 168) the Hoare annotation is: true [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L168-1(line 168) no Hoare annotation was computed. [2019-09-20 13:04:43,064 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 59 70) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (not (= ~systemActive~0 1))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 (or .cse2 .cse3)) (or .cse0 .cse1 (or .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3)))) [2019-09-20 13:04:43,064 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 59 70) no Hoare annotation was computed. [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 59 70) no Hoare annotation was computed. [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 217 223) no Hoare annotation was computed. [2019-09-20 13:04:43,065 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 217 223) the Hoare annotation is: true [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,065 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)) [2019-09-20 13:04:43,065 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:04:43,065 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 481 488) no Hoare annotation was computed. [2019-09-20 13:04:43,066 INFO L439 ceAbstractionStarter]: At program point startSystemENTRY(lines 481 488) the Hoare annotation is: (let ((.cse2 (not (<= 2 ~waterLevel~0))) (.cse4 (not (= ~methaneLevelCritical~0 0))) (.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse5 (not (= 0 ~pumpRunning~0))) (.cse0 (= 1 ~systemActive~0)) (.cse3 (not (= |old(~systemActive~0)| 1)))) (and (or .cse0 (or .cse1 .cse2 .cse3)) (or .cse0 (or .cse2 .cse3 .cse4)) (or (or .cse5 .cse3 (not (= ~waterLevel~0 1)) .cse4) .cse0) (or .cse1 .cse5 .cse0 (not (<= 1 ~waterLevel~0)) .cse3))) [2019-09-20 13:04:43,066 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 481 488) no Hoare annotation was computed. [2019-09-20 13:04:43,066 INFO L439 ceAbstractionStarter]: At program point L321(line 321) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2) (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,066 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 302 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,066 INFO L443 ceAbstractionStarter]: For program point L321-1(lines 302 326) no Hoare annotation was computed. [2019-09-20 13:04:43,066 INFO L439 ceAbstractionStarter]: At program point L316(line 316) the Hoare annotation is: (let ((.cse3 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= ~waterLevel~0 1))) (.cse6 (not (= ~methaneLevelCritical~0 1))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 2 ~waterLevel~0))) (.cse1 (not (= ~systemActive~0 1))) (.cse4 (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~1) (= ~pumpRunning~0 0)))) (and (or (or .cse0 .cse1 .cse2 .cse3) .cse4) (or .cse4 (or .cse0 .cse5 .cse1 .cse3)) (or (or .cse6 .cse0 .cse1 .cse2) .cse4) (or (or .cse6 .cse0 .cse5 .cse1) .cse4))) [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 302 326) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L439 ceAbstractionStarter]: At program point L312(line 312) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0))) (.cse1 (not (<= 1 ~waterLevel~0))) (.cse2 (not (= ~systemActive~0 1)))) (and (or .cse0 .cse1 .cse2 (not (= ~methaneLevelCritical~0 0)) .cse3) (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse3 .cse1 .cse2))) [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point L310(lines 310 318) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L439 ceAbstractionStarter]: At program point L308(line 308) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (<= 1 ~waterLevel~0))) (.cse3 (not (= ~systemActive~0 1))) (.cse1 (= ~pumpRunning~0 0))) (and (or (not (= ~methaneLevelCritical~0 1)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse2 .cse3 .cse1 (not (= ~methaneLevelCritical~0 0))))) [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point L308-1(line 308) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 323) no Hoare annotation was computed. [2019-09-20 13:04:43,067 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 71 82) no Hoare annotation was computed. [2019-09-20 13:04:43,068 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 71 82) no Hoare annotation was computed. [2019-09-20 13:04:43,068 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 71 82) the Hoare annotation is: (let ((.cse4 (not (= 0 ~pumpRunning~0))) (.cse5 (not (= ~systemActive~0 1)))) (let ((.cse1 (not (= ~methaneLevelCritical~0 1))) (.cse3 (not (<= 2 |old(~waterLevel~0)|))) (.cse2 (or .cse4 .cse5)) (.cse0 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse6 (not (= ~methaneLevelCritical~0 0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse1 .cse4 .cse5 (not (= |old(~waterLevel~0)| 1)) .cse0) (or .cse0 .cse3 .cse5 .cse6) (or .cse2 (not (<= 1 |old(~waterLevel~0)|)) .cse0 .cse6)))) [2019-09-20 13:04:43,068 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 40 47) no Hoare annotation was computed. [2019-09-20 13:04:43,068 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2019-09-20 13:04:43,068 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 40 47) the Hoare annotation is: true [2019-09-20 13:04:43,068 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 40 47) no Hoare annotation was computed. [2019-09-20 13:04:43,068 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 490 514) the Hoare annotation is: true [2019-09-20 13:04:43,069 INFO L439 ceAbstractionStarter]: At program point L504(line 504) the Hoare annotation is: (let ((.cse1 (not (= ~methaneLevelCritical~0 0))) (.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~waterLevel~0))) (.cse0 (not (= ~systemActive~0 1)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or .cse2 .cse3 .cse0 .cse1) (or (not (= ~methaneLevelCritical~0 1)) .cse2 .cse3 .cse0))) [2019-09-20 13:04:43,069 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification1_spec__1EXIT(lines 490 514) no Hoare annotation was computed. [2019-09-20 13:04:43,069 INFO L443 ceAbstractionStarter]: For program point L502(lines 502 508) no Hoare annotation was computed. [2019-09-20 13:04:43,069 INFO L439 ceAbstractionStarter]: At program point L500(line 500) the Hoare annotation is: (let ((.cse0 (not (= ~systemActive~0 1))) (.cse1 (not (= ~methaneLevelCritical~0 0)))) (and (or (not (<= 2 ~waterLevel~0)) .cse0 .cse1) (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) .cse0 .cse1))) [2019-09-20 13:04:43,069 INFO L443 ceAbstractionStarter]: For program point L500-1(line 500) no Hoare annotation was computed. [2019-09-20 13:04:43,069 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-09-20 13:04:43,069 INFO L443 ceAbstractionStarter]: For program point L498-1(lines 490 514) no Hoare annotation was computed. [2019-09-20 13:04:43,069 INFO L446 ceAbstractionStarter]: At program point L496(line 496) the Hoare annotation is: true [2019-09-20 13:04:43,069 INFO L443 ceAbstractionStarter]: For program point L496-1(line 496) no Hoare annotation was computed. [2019-09-20 13:04:43,085 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:04:43 BoogieIcfgContainer [2019-09-20 13:04:43,085 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:04:43,087 INFO L168 Benchmark]: Toolchain (without parser) took 19241.56 ms. Allocated memory was 132.1 MB in the beginning and 539.5 MB in the end (delta: 407.4 MB). Free memory was 85.7 MB in the beginning and 401.0 MB in the end (delta: -315.4 MB). Peak memory consumption was 417.1 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,088 INFO L168 Benchmark]: CDTParser took 0.41 ms. Allocated memory is still 132.1 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,090 INFO L168 Benchmark]: CACSL2BoogieTranslator took 706.75 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 85.5 MB in the beginning and 163.5 MB in the end (delta: -78.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,090 INFO L168 Benchmark]: Boogie Preprocessor took 102.10 ms. Allocated memory is still 199.8 MB. Free memory was 163.5 MB in the beginning and 159.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,091 INFO L168 Benchmark]: RCFGBuilder took 1360.44 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 159.0 MB in the beginning and 189.9 MB in the end (delta: -30.8 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,092 INFO L168 Benchmark]: TraceAbstraction took 17067.29 ms. Allocated memory was 222.3 MB in the beginning and 539.5 MB in the end (delta: 317.2 MB). Free memory was 188.5 MB in the beginning and 401.0 MB in the end (delta: -212.5 MB). Peak memory consumption was 429.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:04:43,097 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.41 ms. Allocated memory is still 132.1 MB. Free memory was 104.8 MB in the beginning and 104.6 MB in the end (delta: 212.8 kB). Peak memory consumption was 212.8 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 706.75 ms. Allocated memory was 132.1 MB in the beginning and 199.8 MB in the end (delta: 67.6 MB). Free memory was 85.5 MB in the beginning and 163.5 MB in the end (delta: -78.0 MB). Peak memory consumption was 26.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 102.10 ms. Allocated memory is still 199.8 MB. Free memory was 163.5 MB in the beginning and 159.0 MB in the end (delta: 4.4 MB). Peak memory consumption was 4.4 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1360.44 ms. Allocated memory was 199.8 MB in the beginning and 222.3 MB in the end (delta: 22.5 MB). Free memory was 159.0 MB in the beginning and 189.9 MB in the end (delta: -30.8 MB). Peak memory consumption was 90.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17067.29 ms. Allocated memory was 222.3 MB in the beginning and 539.5 MB in the end (delta: 317.2 MB). Free memory was 188.5 MB in the beginning and 401.0 MB in the end (delta: -212.5 MB). Peak memory consumption was 429.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: 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: 162]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 525]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 526]: Loop Invariant Derived loop invariant: ((((((((1 == systemActive && 0 == methaneLevelCritical) && 2 <= waterLevel) && 0 == splverifierCounter) || ((((1 == systemActive && 0 == methaneLevelCritical) && 0 == splverifierCounter) && pumpRunning == 0) && 1 <= waterLevel)) || !(\old(systemActive) == 1)) || ((((1 == systemActive && 0 == splverifierCounter) && 1 <= waterLevel) && pumpRunning == 0) && 1 == methaneLevelCritical)) || !(0 == \old(pumpRunning))) || !(\old(waterLevel) == 1)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 172]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 42 procedures, 246 locations, 1 error locations. SAFE Result, 16.9s OverallTime, 13 OverallIterations, 3 TraceHistogramMax, 7.3s AutomataDifference, 0.0s DeadEndRemovalTime, 5.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 2449 SDtfs, 2209 SDslu, 7077 SDs, 0 SdLazy, 4634 SolverSat, 1005 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 593 GetRequests, 472 SyntacticMatches, 1 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 352 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1833occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.6s AutomataMinimizationTime, 13 MinimizatonAttempts, 512 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 65 LocationsWithAnnotation, 2487 PreInvPairs, 2564 NumberOfFragments, 2116 HoareAnnotationTreeSize, 2487 FomulaSimplifications, 9868 FormulaSimplificationTreeSizeReduction, 0.8s HoareSimplificationTime, 65 FomulaSimplificationsInter, 10902 FormulaSimplificationTreeSizeReductionInter, 4.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 1668 NumberOfCodeBlocks, 1668 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 1652 ConstructedInterpolants, 0 QuantifiedInterpolants, 322526 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2604 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 16 InterpolantComputations, 13 PerfectInterpolantSequences, 188/198 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...