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_spec4_product56.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.24-fea9116 [2019-09-20 13:06:33,931 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-09-20 13:06:33,933 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-09-20 13:06:33,944 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-09-20 13:06:33,945 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-09-20 13:06:33,946 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-09-20 13:06:33,947 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-09-20 13:06:33,949 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-09-20 13:06:33,950 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-09-20 13:06:33,951 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-09-20 13:06:33,952 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-09-20 13:06:33,953 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-09-20 13:06:33,953 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-09-20 13:06:33,954 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-09-20 13:06:33,955 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-09-20 13:06:33,956 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-09-20 13:06:33,957 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-09-20 13:06:33,958 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-09-20 13:06:33,960 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-09-20 13:06:33,962 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-09-20 13:06:33,964 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-09-20 13:06:33,965 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-09-20 13:06:33,966 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-09-20 13:06:33,967 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-09-20 13:06:33,969 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-09-20 13:06:33,969 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-09-20 13:06:33,970 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-09-20 13:06:33,971 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-09-20 13:06:33,971 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-09-20 13:06:33,972 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-09-20 13:06:33,972 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-09-20 13:06:33,973 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-09-20 13:06:33,974 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-09-20 13:06:33,975 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-09-20 13:06:33,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-09-20 13:06:33,976 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-09-20 13:06:33,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-09-20 13:06:33,977 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-09-20 13:06:33,977 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-09-20 13:06:33,978 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-09-20 13:06:33,979 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-09-20 13:06:33,980 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 13:06:33,994 INFO L113 SettingsManager]: Loading preferences was successful [2019-09-20 13:06:33,994 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-09-20 13:06:33,995 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-09-20 13:06:33,995 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-09-20 13:06:33,996 INFO L138 SettingsManager]: * Use SBE=true [2019-09-20 13:06:33,996 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-09-20 13:06:33,996 INFO L138 SettingsManager]: * sizeof long=4 [2019-09-20 13:06:33,996 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-09-20 13:06:33,997 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-09-20 13:06:33,997 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-09-20 13:06:33,997 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-09-20 13:06:33,997 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-09-20 13:06:33,997 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-09-20 13:06:33,998 INFO L138 SettingsManager]: * sizeof long double=12 [2019-09-20 13:06:33,998 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-09-20 13:06:33,998 INFO L138 SettingsManager]: * Use constant arrays=true [2019-09-20 13:06:33,998 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-09-20 13:06:33,998 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-09-20 13:06:33,999 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-09-20 13:06:33,999 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-09-20 13:06:33,999 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-09-20 13:06:33,999 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-09-20 13:06:33,999 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-09-20 13:06:34,000 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-09-20 13:06:34,000 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-09-20 13:06:34,000 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-09-20 13:06:34,000 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-09-20 13:06:34,000 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-09-20 13:06:34,001 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2019-09-20 13:06:34,028 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-09-20 13:06:34,040 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-09-20 13:06:34,044 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-09-20 13:06:34,045 INFO L271 PluginConnector]: Initializing CDTParser... [2019-09-20 13:06:34,045 INFO L275 PluginConnector]: CDTParser initialized [2019-09-20 13:06:34,046 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-20 13:06:34,125 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37286cf84/69c3d40e4a204b86ac9700903c1e7d7a/FLAGe8fbb6b5f [2019-09-20 13:06:34,624 INFO L306 CDTParser]: Found 1 translation units. [2019-09-20 13:06:34,625 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product56.cil.c [2019-09-20 13:06:34,646 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37286cf84/69c3d40e4a204b86ac9700903c1e7d7a/FLAGe8fbb6b5f [2019-09-20 13:06:34,954 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/37286cf84/69c3d40e4a204b86ac9700903c1e7d7a [2019-09-20 13:06:34,964 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-09-20 13:06:34,965 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2019-09-20 13:06:34,966 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:34,966 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-09-20 13:06:34,969 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-09-20 13:06:34,970 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:34,973 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@337b8df9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:34, skipping insertion in model container [2019-09-20 13:06:34,973 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.09 01:06:34" (1/1) ... [2019-09-20 13:06:34,981 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-09-20 13:06:35,038 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-09-20 13:06:35,491 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:35,512 INFO L188 MainTranslator]: Completed pre-run [2019-09-20 13:06:35,600 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-09-20 13:06:35,637 INFO L192 MainTranslator]: Completed translation [2019-09-20 13:06:35,637 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35 WrapperNode [2019-09-20 13:06:35,637 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-09-20 13:06:35,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-09-20 13:06:35,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-09-20 13:06:35,638 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-09-20 13:06:35,651 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,652 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,671 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,671 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,703 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,715 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,720 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (1/1) ... [2019-09-20 13:06:35,737 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-09-20 13:06:35,737 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-09-20 13:06:35,738 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-09-20 13:06:35,738 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-09-20 13:06:35,742 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (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 13:06:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2019-09-20 13:06:35,821 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-09-20 13:06:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:35,822 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2019-09-20 13:06:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2019-09-20 13:06:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:06:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2019-09-20 13:06:35,823 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2019-09-20 13:06:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2019-09-20 13:06:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2019-09-20 13:06:35,824 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2019-09-20 13:06:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2019-09-20 13:06:35,825 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2019-09-20 13:06:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2019-09-20 13:06:35,826 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2019-09-20 13:06:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2019-09-20 13:06:35,828 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2019-09-20 13:06:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2019-09-20 13:06:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2019-09-20 13:06:35,829 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2019-09-20 13:06:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2019-09-20 13:06:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2019-09-20 13:06:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2019-09-20 13:06:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2019-09-20 13:06:35,830 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2019-09-20 13:06:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2019-09-20 13:06:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2019-09-20 13:06:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2019-09-20 13:06:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2019-09-20 13:06:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2019-09-20 13:06:35,831 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2019-09-20 13:06:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2019-09-20 13:06:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2019-09-20 13:06:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2019-09-20 13:06:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2019-09-20 13:06:35,832 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2019-09-20 13:06:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2019-09-20 13:06:35,833 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2019-09-20 13:06:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2019-09-20 13:06:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2019-09-20 13:06:35,833 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2019-09-20 13:06:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2019-09-20 13:06:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2019-09-20 13:06:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2019-09-20 13:06:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2019-09-20 13:06:35,834 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2019-09-20 13:06:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2019-09-20 13:06:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2019-09-20 13:06:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2019-09-20 13:06:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2019-09-20 13:06:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2019-09-20 13:06:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2019-09-20 13:06:35,835 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2019-09-20 13:06:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2019-09-20 13:06:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2019-09-20 13:06:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2019-09-20 13:06:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2019-09-20 13:06:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2019-09-20 13:06:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2019-09-20 13:06:35,836 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2019-09-20 13:06:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2019-09-20 13:06:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-09-20 13:06:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2019-09-20 13:06:35,837 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2019-09-20 13:06:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure free [2019-09-20 13:06:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2019-09-20 13:06:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2019-09-20 13:06:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2019-09-20 13:06:35,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-09-20 13:06:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2019-09-20 13:06:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2019-09-20 13:06:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-09-20 13:06:35,839 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2019-09-20 13:06:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2019-09-20 13:06:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-09-20 13:06:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2019-09-20 13:06:35,840 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2019-09-20 13:06:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2019-09-20 13:06:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2019-09-20 13:06:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2019-09-20 13:06:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2019-09-20 13:06:35,841 INFO L130 BoogieDeclarations]: Found specification of procedure test [2019-09-20 13:06:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2019-09-20 13:06:35,842 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2019-09-20 13:06:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2019-09-20 13:06:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2019-09-20 13:06:35,843 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2019-09-20 13:06:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2019-09-20 13:06:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2019-09-20 13:06:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2019-09-20 13:06:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure main [2019-09-20 13:06:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2019-09-20 13:06:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2019-09-20 13:06:35,844 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2019-09-20 13:06:35,845 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-09-20 13:06:37,035 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-09-20 13:06:37,035 INFO L283 CfgBuilder]: Removed 5 assume(true) statements. [2019-09-20 13:06:37,037 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:37 BoogieIcfgContainer [2019-09-20 13:06:37,037 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-09-20 13:06:37,038 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-09-20 13:06:37,038 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-09-20 13:06:37,041 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-09-20 13:06:37,042 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.09 01:06:34" (1/3) ... [2019-09-20 13:06:37,042 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a81824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:37, skipping insertion in model container [2019-09-20 13:06:37,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.09 01:06:35" (2/3) ... [2019-09-20 13:06:37,043 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53a81824 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.09 01:06:37, skipping insertion in model container [2019-09-20 13:06:37,043 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.09 01:06:37" (3/3) ... [2019-09-20 13:06:37,045 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product56.cil.c [2019-09-20 13:06:37,054 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-09-20 13:06:37,062 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-09-20 13:06:37,079 INFO L252 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-09-20 13:06:37,113 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2019-09-20 13:06:37,114 INFO L377 AbstractCegarLoop]: Interprodecural is true [2019-09-20 13:06:37,114 INFO L378 AbstractCegarLoop]: Hoare is true [2019-09-20 13:06:37,114 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-09-20 13:06:37,114 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-09-20 13:06:37,114 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-09-20 13:06:37,115 INFO L382 AbstractCegarLoop]: Difference is false [2019-09-20 13:06:37,115 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-09-20 13:06:37,115 INFO L388 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-09-20 13:06:37,137 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states. [2019-09-20 13:06:37,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2019-09-20 13:06:37,147 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:37,148 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 13:06:37,150 INFO L418 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:37,156 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:37,156 INFO L82 PathProgramCache]: Analyzing trace with hash -559348317, now seen corresponding path program 1 times [2019-09-20 13:06:37,158 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:37,159 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:37,212 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,213 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:37,213 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:37,509 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 13:06:37,513 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:37,513 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-09-20 13:06:37,519 INFO L454 AbstractCegarLoop]: Interpolant automaton has 2 states [2019-09-20 13:06:37,533 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2019-09-20 13:06:37,535 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2019-09-20 13:06:37,547 INFO L87 Difference]: Start difference. First operand 199 states. Second operand 2 states. [2019-09-20 13:06:37,637 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:37,637 INFO L93 Difference]: Finished difference Result 312 states and 385 transitions. [2019-09-20 13:06:37,637 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-09-20 13:06:37,641 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2019-09-20 13:06:37,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:37,665 INFO L225 Difference]: With dead ends: 312 [2019-09-20 13:06:37,665 INFO L226 Difference]: Without dead ends: 156 [2019-09-20 13:06:37,673 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 13:06:37,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2019-09-20 13:06:37,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2019-09-20 13:06:37,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 156 states. [2019-09-20 13:06:37,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 184 transitions. [2019-09-20 13:06:37,762 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 184 transitions. Word has length 46 [2019-09-20 13:06:37,763 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:37,763 INFO L475 AbstractCegarLoop]: Abstraction has 156 states and 184 transitions. [2019-09-20 13:06:37,763 INFO L476 AbstractCegarLoop]: Interpolant automaton has 2 states. [2019-09-20 13:06:37,763 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 184 transitions. [2019-09-20 13:06:37,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2019-09-20 13:06:37,775 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:37,776 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 13:06:37,776 INFO L418 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:37,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:37,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1620740414, now seen corresponding path program 1 times [2019-09-20 13:06:37,778 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:37,778 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:37,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,781 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:37,781 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:37,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:37,951 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 13:06:37,952 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:37,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-09-20 13:06:37,954 INFO L454 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-09-20 13:06:37,954 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-09-20 13:06:37,954 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-09-20 13:06:37,954 INFO L87 Difference]: Start difference. First operand 156 states and 184 transitions. Second operand 3 states. [2019-09-20 13:06:37,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:37,978 INFO L93 Difference]: Finished difference Result 251 states and 295 transitions. [2019-09-20 13:06:37,979 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-09-20 13:06:37,979 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2019-09-20 13:06:37,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:37,981 INFO L225 Difference]: With dead ends: 251 [2019-09-20 13:06:37,982 INFO L226 Difference]: Without dead ends: 147 [2019-09-20 13:06:37,983 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 13:06:37,984 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2019-09-20 13:06:37,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2019-09-20 13:06:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 147 states. [2019-09-20 13:06:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 172 transitions. [2019-09-20 13:06:37,998 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 172 transitions. Word has length 47 [2019-09-20 13:06:37,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:37,999 INFO L475 AbstractCegarLoop]: Abstraction has 147 states and 172 transitions. [2019-09-20 13:06:37,999 INFO L476 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-09-20 13:06:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 172 transitions. [2019-09-20 13:06:38,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2019-09-20 13:06:38,001 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:38,001 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 13:06:38,001 INFO L418 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:38,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:38,002 INFO L82 PathProgramCache]: Analyzing trace with hash -396868600, now seen corresponding path program 1 times [2019-09-20 13:06:38,002 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:38,002 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:38,004 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,004 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:38,005 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:38,138 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 13:06:38,139 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:38,139 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-09-20 13:06:38,139 INFO L454 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-09-20 13:06:38,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-09-20 13:06:38,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2019-09-20 13:06:38,140 INFO L87 Difference]: Start difference. First operand 147 states and 172 transitions. Second operand 7 states. [2019-09-20 13:06:38,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:38,679 INFO L93 Difference]: Finished difference Result 443 states and 536 transitions. [2019-09-20 13:06:38,679 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-09-20 13:06:38,680 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 52 [2019-09-20 13:06:38,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:38,685 INFO L225 Difference]: With dead ends: 443 [2019-09-20 13:06:38,686 INFO L226 Difference]: Without dead ends: 320 [2019-09-20 13:06:38,687 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 13:06:38,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2019-09-20 13:06:38,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 308. [2019-09-20 13:06:38,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-09-20 13:06:38,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 372 transitions. [2019-09-20 13:06:38,735 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 372 transitions. Word has length 52 [2019-09-20 13:06:38,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:38,736 INFO L475 AbstractCegarLoop]: Abstraction has 308 states and 372 transitions. [2019-09-20 13:06:38,736 INFO L476 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-09-20 13:06:38,736 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 372 transitions. [2019-09-20 13:06:38,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2019-09-20 13:06:38,738 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:38,738 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] [2019-09-20 13:06:38,739 INFO L418 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:38,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:38,739 INFO L82 PathProgramCache]: Analyzing trace with hash -1317156286, now seen corresponding path program 1 times [2019-09-20 13:06:38,739 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:38,739 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:38,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:38,742 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:38,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:38,895 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 13:06:38,896 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:38,896 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2019-09-20 13:06:38,896 INFO L454 AbstractCegarLoop]: Interpolant automaton has 10 states [2019-09-20 13:06:38,896 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2019-09-20 13:06:38,897 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2019-09-20 13:06:38,897 INFO L87 Difference]: Start difference. First operand 308 states and 372 transitions. Second operand 10 states. [2019-09-20 13:06:39,605 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:39,606 INFO L93 Difference]: Finished difference Result 1112 states and 1444 transitions. [2019-09-20 13:06:39,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2019-09-20 13:06:39,606 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 57 [2019-09-20 13:06:39,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:39,614 INFO L225 Difference]: With dead ends: 1112 [2019-09-20 13:06:39,615 INFO L226 Difference]: Without dead ends: 828 [2019-09-20 13:06:39,617 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2019-09-20 13:06:39,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 828 states. [2019-09-20 13:06:39,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 828 to 816. [2019-09-20 13:06:39,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 816 states. [2019-09-20 13:06:39,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 816 states to 816 states and 1024 transitions. [2019-09-20 13:06:39,712 INFO L78 Accepts]: Start accepts. Automaton has 816 states and 1024 transitions. Word has length 57 [2019-09-20 13:06:39,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:39,713 INFO L475 AbstractCegarLoop]: Abstraction has 816 states and 1024 transitions. [2019-09-20 13:06:39,717 INFO L476 AbstractCegarLoop]: Interpolant automaton has 10 states. [2019-09-20 13:06:39,738 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1024 transitions. [2019-09-20 13:06:39,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-09-20 13:06:39,743 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:39,746 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] [2019-09-20 13:06:39,746 INFO L418 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:39,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:39,747 INFO L82 PathProgramCache]: Analyzing trace with hash -1811637144, now seen corresponding path program 1 times [2019-09-20 13:06:39,747 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:39,747 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:39,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:39,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:39,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:39,857 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 13:06:39,857 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-09-20 13:06:39,858 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-09-20 13:06:39,858 INFO L454 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-09-20 13:06:39,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-09-20 13:06:39,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-09-20 13:06:39,860 INFO L87 Difference]: Start difference. First operand 816 states and 1024 transitions. Second operand 4 states. [2019-09-20 13:06:40,226 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:40,227 INFO L93 Difference]: Finished difference Result 2011 states and 2749 transitions. [2019-09-20 13:06:40,227 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-09-20 13:06:40,227 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-09-20 13:06:40,228 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:40,238 INFO L225 Difference]: With dead ends: 2011 [2019-09-20 13:06:40,238 INFO L226 Difference]: Without dead ends: 1219 [2019-09-20 13:06:40,241 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-09-20 13:06:40,243 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1219 states. [2019-09-20 13:06:40,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1219 to 1081. [2019-09-20 13:06:40,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1081 states. [2019-09-20 13:06:40,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 1081 states and 1360 transitions. [2019-09-20 13:06:40,334 INFO L78 Accepts]: Start accepts. Automaton has 1081 states and 1360 transitions. Word has length 61 [2019-09-20 13:06:40,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:40,334 INFO L475 AbstractCegarLoop]: Abstraction has 1081 states and 1360 transitions. [2019-09-20 13:06:40,335 INFO L476 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-09-20 13:06:40,335 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1360 transitions. [2019-09-20 13:06:40,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-09-20 13:06:40,339 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:40,339 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:40,340 INFO L418 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:40,340 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:40,340 INFO L82 PathProgramCache]: Analyzing trace with hash -1078445760, now seen corresponding path program 1 times [2019-09-20 13:06:40,340 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:40,340 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:40,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:40,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,473 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-09-20 13:06:40,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:40,474 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 13:06:40,569 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:40,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:40,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 757 conjuncts, 15 conjunts are in the unsatisfiable core [2019-09-20 13:06:40,709 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:40,842 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-09-20 13:06:40,849 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:40,849 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 12 [2019-09-20 13:06:40,850 INFO L454 AbstractCegarLoop]: Interpolant automaton has 12 states [2019-09-20 13:06:40,850 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2019-09-20 13:06:40,850 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2019-09-20 13:06:40,850 INFO L87 Difference]: Start difference. First operand 1081 states and 1360 transitions. Second operand 12 states. [2019-09-20 13:06:44,256 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:44,257 INFO L93 Difference]: Finished difference Result 2539 states and 3451 transitions. [2019-09-20 13:06:44,257 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2019-09-20 13:06:44,258 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 89 [2019-09-20 13:06:44,258 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:44,270 INFO L225 Difference]: With dead ends: 2539 [2019-09-20 13:06:44,270 INFO L226 Difference]: Without dead ends: 1740 [2019-09-20 13:06:44,276 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 830 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=535, Invalid=2327, Unknown=0, NotChecked=0, Total=2862 [2019-09-20 13:06:44,279 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1740 states. [2019-09-20 13:06:44,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1740 to 1523. [2019-09-20 13:06:44,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1523 states. [2019-09-20 13:06:44,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1523 states to 1523 states and 1941 transitions. [2019-09-20 13:06:44,442 INFO L78 Accepts]: Start accepts. Automaton has 1523 states and 1941 transitions. Word has length 89 [2019-09-20 13:06:44,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:44,442 INFO L475 AbstractCegarLoop]: Abstraction has 1523 states and 1941 transitions. [2019-09-20 13:06:44,442 INFO L476 AbstractCegarLoop]: Interpolant automaton has 12 states. [2019-09-20 13:06:44,443 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1941 transitions. [2019-09-20 13:06:44,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-09-20 13:06:44,449 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:44,449 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:44,449 INFO L418 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:44,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:44,450 INFO L82 PathProgramCache]: Analyzing trace with hash -629504636, now seen corresponding path program 1 times [2019-09-20 13:06:44,450 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:44,450 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:44,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,452 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,452 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:44,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:44,529 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 17 proven. 12 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-09-20 13:06:44,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:44,530 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 13:06:44,612 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:44,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:44,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 880 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:06:44,747 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:44,827 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 24 proven. 8 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-09-20 13:06:44,840 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:44,840 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2019-09-20 13:06:44,842 INFO L454 AbstractCegarLoop]: Interpolant automaton has 9 states [2019-09-20 13:06:44,842 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2019-09-20 13:06:44,842 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2019-09-20 13:06:44,843 INFO L87 Difference]: Start difference. First operand 1523 states and 1941 transitions. Second operand 9 states. [2019-09-20 13:06:45,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:45,791 INFO L93 Difference]: Finished difference Result 3137 states and 4136 transitions. [2019-09-20 13:06:45,791 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2019-09-20 13:06:45,792 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 146 [2019-09-20 13:06:45,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:45,805 INFO L225 Difference]: With dead ends: 3137 [2019-09-20 13:06:45,805 INFO L226 Difference]: Without dead ends: 1638 [2019-09-20 13:06:45,812 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=188, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:06:45,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1638 states. [2019-09-20 13:06:45,921 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1638 to 1531. [2019-09-20 13:06:45,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1531 states. [2019-09-20 13:06:45,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1531 states to 1531 states and 1815 transitions. [2019-09-20 13:06:45,933 INFO L78 Accepts]: Start accepts. Automaton has 1531 states and 1815 transitions. Word has length 146 [2019-09-20 13:06:45,934 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:45,939 INFO L475 AbstractCegarLoop]: Abstraction has 1531 states and 1815 transitions. [2019-09-20 13:06:45,939 INFO L476 AbstractCegarLoop]: Interpolant automaton has 9 states. [2019-09-20 13:06:45,939 INFO L276 IsEmpty]: Start isEmpty. Operand 1531 states and 1815 transitions. [2019-09-20 13:06:45,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-09-20 13:06:45,947 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:45,948 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:45,948 INFO L418 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:45,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:45,949 INFO L82 PathProgramCache]: Analyzing trace with hash 497525520, now seen corresponding path program 1 times [2019-09-20 13:06:45,949 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:45,950 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:45,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:45,953 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:45,953 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:45,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 17 proven. 6 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-09-20 13:06:46,133 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:46,133 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 13:06:46,243 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:46,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 5 conjunts are in the unsatisfiable core [2019-09-20 13:06:46,432 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:46,538 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 14 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 13:06:46,554 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:46,555 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [8] total 11 [2019-09-20 13:06:46,556 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:46,556 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:46,557 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:46,557 INFO L87 Difference]: Start difference. First operand 1531 states and 1815 transitions. Second operand 11 states. [2019-09-20 13:06:46,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:46,676 INFO L93 Difference]: Finished difference Result 2869 states and 3474 transitions. [2019-09-20 13:06:46,676 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-09-20 13:06:46,676 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 155 [2019-09-20 13:06:46,677 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:46,689 INFO L225 Difference]: With dead ends: 2869 [2019-09-20 13:06:46,689 INFO L226 Difference]: Without dead ends: 1362 [2019-09-20 13:06:46,697 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 164 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=22, Invalid=88, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:46,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1362 states. [2019-09-20 13:06:46,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1362 to 1362. [2019-09-20 13:06:46,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1362 states. [2019-09-20 13:06:46,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1362 states and 1617 transitions. [2019-09-20 13:06:46,837 INFO L78 Accepts]: Start accepts. Automaton has 1362 states and 1617 transitions. Word has length 155 [2019-09-20 13:06:46,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:46,838 INFO L475 AbstractCegarLoop]: Abstraction has 1362 states and 1617 transitions. [2019-09-20 13:06:46,838 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:46,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1617 transitions. [2019-09-20 13:06:46,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-09-20 13:06:46,847 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:46,847 INFO L407 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 13:06:46,848 INFO L418 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:46,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:46,848 INFO L82 PathProgramCache]: Analyzing trace with hash -1745517035, now seen corresponding path program 1 times [2019-09-20 13:06:46,849 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:46,849 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:46,853 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,854 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:46,854 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:46,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 7 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-09-20 13:06:47,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:47,131 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:47,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:47,343 INFO L256 TraceCheckSpWp]: Trace formula consists of 911 conjuncts, 11 conjunts are in the unsatisfiable core [2019-09-20 13:06:47,356 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:47,435 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 19 proven. 14 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-09-20 13:06:47,449 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-09-20 13:06:47,449 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9] total 11 [2019-09-20 13:06:47,450 INFO L454 AbstractCegarLoop]: Interpolant automaton has 11 states [2019-09-20 13:06:47,450 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2019-09-20 13:06:47,450 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2019-09-20 13:06:47,450 INFO L87 Difference]: Start difference. First operand 1362 states and 1617 transitions. Second operand 11 states. [2019-09-20 13:06:49,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:49,336 INFO L93 Difference]: Finished difference Result 2725 states and 3416 transitions. [2019-09-20 13:06:49,337 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2019-09-20 13:06:49,337 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 159 [2019-09-20 13:06:49,338 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:49,350 INFO L225 Difference]: With dead ends: 2725 [2019-09-20 13:06:49,350 INFO L226 Difference]: Without dead ends: 1556 [2019-09-20 13:06:49,354 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 185 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 82 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=140, Invalid=366, Unknown=0, NotChecked=0, Total=506 [2019-09-20 13:06:49,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1556 states. [2019-09-20 13:06:49,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1556 to 1248. [2019-09-20 13:06:49,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2019-09-20 13:06:49,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1471 transitions. [2019-09-20 13:06:49,445 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1471 transitions. Word has length 159 [2019-09-20 13:06:49,446 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:49,446 INFO L475 AbstractCegarLoop]: Abstraction has 1248 states and 1471 transitions. [2019-09-20 13:06:49,446 INFO L476 AbstractCegarLoop]: Interpolant automaton has 11 states. [2019-09-20 13:06:49,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1471 transitions. [2019-09-20 13:06:49,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-09-20 13:06:49,452 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:49,453 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:06:49,453 INFO L418 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:49,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:49,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1602854524, now seen corresponding path program 2 times [2019-09-20 13:06:49,454 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:49,454 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:49,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:49,456 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:49,456 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:49,689 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 50 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-09-20 13:06:49,689 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:49,690 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:49,757 INFO L103 rtionOrderModulation]: Keeping assertion order OUTSIDE_LOOP_FIRST1 [2019-09-20 13:06:49,972 INFO L249 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2019-09-20 13:06:49,972 INFO L250 tOrderPrioritization]: Conjunction of SSA is unsat [2019-09-20 13:06:49,977 INFO L256 TraceCheckSpWp]: Trace formula consists of 1076 conjuncts, 16 conjunts are in the unsatisfiable core [2019-09-20 13:06:49,986 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:50,067 INFO L319 QuantifierPusher]: Applying distributivity, recursing on 2 terms [2019-09-20 13:06:50,219 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [MP z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (6)] Exception during sending of exit command (exit): Broken pipe [2019-09-20 13:06:50,234 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:50,234 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [10] total 16 [2019-09-20 13:06:50,238 INFO L454 AbstractCegarLoop]: Interpolant automaton has 16 states [2019-09-20 13:06:50,238 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2019-09-20 13:06:50,238 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2019-09-20 13:06:50,238 INFO L87 Difference]: Start difference. First operand 1248 states and 1471 transitions. Second operand 16 states. [2019-09-20 13:06:53,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:53,965 INFO L93 Difference]: Finished difference Result 3582 states and 4468 transitions. [2019-09-20 13:06:53,965 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2019-09-20 13:06:53,965 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 229 [2019-09-20 13:06:53,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:53,980 INFO L225 Difference]: With dead ends: 3582 [2019-09-20 13:06:53,980 INFO L226 Difference]: Without dead ends: 2515 [2019-09-20 13:06:53,984 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 259 GetRequests, 231 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=186, Invalid=684, Unknown=0, NotChecked=0, Total=870 [2019-09-20 13:06:53,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2515 states. [2019-09-20 13:06:54,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2515 to 2300. [2019-09-20 13:06:54,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2300 states. [2019-09-20 13:06:54,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 2300 states and 2701 transitions. [2019-09-20 13:06:54,143 INFO L78 Accepts]: Start accepts. Automaton has 2300 states and 2701 transitions. Word has length 229 [2019-09-20 13:06:54,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:54,144 INFO L475 AbstractCegarLoop]: Abstraction has 2300 states and 2701 transitions. [2019-09-20 13:06:54,144 INFO L476 AbstractCegarLoop]: Interpolant automaton has 16 states. [2019-09-20 13:06:54,144 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2701 transitions. [2019-09-20 13:06:54,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2019-09-20 13:06:54,151 INFO L399 BasicCegarLoop]: Found error trace [2019-09-20 13:06:54,152 INFO L407 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-09-20 13:06:54,152 INFO L418 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-09-20 13:06:54,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-09-20 13:06:54,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1302818758, now seen corresponding path program 1 times [2019-09-20 13:06:54,153 INFO L224 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2019-09-20 13:06:54,153 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2019-09-20 13:06:54,155 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:54,155 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2019-09-20 13:06:54,156 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2019-09-20 13:06:54,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:54,292 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 43 proven. 10 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-09-20 13:06:54,292 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2019-09-20 13:06:54,292 INFO L224 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2019-09-20 13:06:54,356 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-09-20 13:06:54,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-09-20 13:06:54,491 INFO L256 TraceCheckSpWp]: Trace formula consists of 1077 conjuncts, 6 conjunts are in the unsatisfiable core [2019-09-20 13:06:54,497 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-09-20 13:06:54,638 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-09-20 13:06:54,653 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-09-20 13:06:54,654 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2019-09-20 13:06:54,655 INFO L454 AbstractCegarLoop]: Interpolant automaton has 13 states [2019-09-20 13:06:54,656 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2019-09-20 13:06:54,656 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2019-09-20 13:06:54,656 INFO L87 Difference]: Start difference. First operand 2300 states and 2701 transitions. Second operand 13 states. [2019-09-20 13:06:54,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-09-20 13:06:54,749 INFO L93 Difference]: Finished difference Result 2935 states and 3431 transitions. [2019-09-20 13:06:54,749 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2019-09-20 13:06:54,749 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 229 [2019-09-20 13:06:54,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-09-20 13:06:54,754 INFO L225 Difference]: With dead ends: 2935 [2019-09-20 13:06:54,754 INFO L226 Difference]: Without dead ends: 0 [2019-09-20 13:06:54,762 INFO L636 BasicCegarLoop]: 0 DeclaredPredicates, 240 GetRequests, 228 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2019-09-20 13:06:54,763 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-09-20 13:06:54,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-09-20 13:06:54,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-09-20 13:06:54,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-09-20 13:06:54,764 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 229 [2019-09-20 13:06:54,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-09-20 13:06:54,764 INFO L475 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-09-20 13:06:54,764 INFO L476 AbstractCegarLoop]: Interpolant automaton has 13 states. [2019-09-20 13:06:54,765 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-09-20 13:06:54,765 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-09-20 13:06:54,770 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-09-20 13:06:55,532 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 74 [2019-09-20 13:06:56,515 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 16 [2019-09-20 13:06:56,849 WARN L191 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 25 [2019-09-20 13:06:57,661 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 33 [2019-09-20 13:06:57,798 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 25 [2019-09-20 13:06:57,935 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 26 [2019-09-20 13:06:58,818 WARN L191 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 24 [2019-09-20 13:06:59,039 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 27 [2019-09-20 13:06:59,223 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 30 [2019-09-20 13:06:59,413 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 27 [2019-09-20 13:07:00,025 WARN L191 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 27 [2019-09-20 13:07:00,081 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 386) no Hoare annotation was computed. [2019-09-20 13:07:00,081 INFO L443 ceAbstractionStarter]: For program point L382-1(lines 382 386) no Hoare annotation was computed. [2019-09-20 13:07:00,081 INFO L443 ceAbstractionStarter]: For program point L377(line 377) no Hoare annotation was computed. [2019-09-20 13:07:00,081 INFO L443 ceAbstractionStarter]: For program point L376-2(lines 376 397) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeFINAL(lines 351 406) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point L398(lines 375 399) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeEXIT(lines 351 406) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_freeENTRY(lines 351 406) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point L439(lines 439 443) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 439 443) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetFINAL(lines 407 466) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point L433-2(lines 433 458) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetENTRY(lines 407 466) no Hoare annotation was computed. [2019-09-20 13:07:00,082 INFO L443 ceAbstractionStarter]: For program point L459(lines 432 460) no Hoare annotation was computed. [2019-09-20 13:07:00,083 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_resetEXIT(lines 407 466) no Hoare annotation was computed. [2019-09-20 13:07:00,083 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-09-20 13:07:00,083 INFO L443 ceAbstractionStarter]: For program point L452-1(line 452) no Hoare annotation was computed. [2019-09-20 13:07:00,083 INFO L446 ceAbstractionStarter]: At program point select_helpersFINAL(lines 994 1000) the Hoare annotation is: true [2019-09-20 13:07:00,083 INFO L443 ceAbstractionStarter]: For program point select_helpersEXIT(lines 994 1000) no Hoare annotation was computed. [2019-09-20 13:07:00,083 INFO L443 ceAbstractionStarter]: For program point valid_productEXIT(lines 1001 1009) no Hoare annotation was computed. [2019-09-20 13:07:00,083 INFO L446 ceAbstractionStarter]: At program point valid_productENTRY(lines 1001 1009) the Hoare annotation is: true [2019-09-20 13:07:00,083 INFO L443 ceAbstractionStarter]: For program point valid_productFINAL(lines 1001 1009) no Hoare annotation was computed. [2019-09-20 13:07:00,083 INFO L446 ceAbstractionStarter]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 739 763) the Hoare annotation is: true [2019-09-20 13:07:00,083 INFO L443 ceAbstractionStarter]: For program point __utac_acc__Specification4_spec__1EXIT(lines 739 763) no Hoare annotation was computed. [2019-09-20 13:07:00,084 INFO L439 ceAbstractionStarter]: At program point L753(line 753) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (not (<= 1 ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2019-09-20 13:07:00,084 INFO L443 ceAbstractionStarter]: For program point L751(lines 751 757) no Hoare annotation was computed. [2019-09-20 13:07:00,084 INFO L439 ceAbstractionStarter]: At program point L749(line 749) the Hoare annotation is: (let ((.cse0 (not (= 0 ~pumpRunning~0))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 .cse1) (or .cse0 (not (= ~waterLevel~0 1))) (or (not (<= 1 ~pumpRunning~0)) (= ~systemActive~0 0) .cse1))) [2019-09-20 13:07:00,084 INFO L443 ceAbstractionStarter]: For program point L749-1(line 749) no Hoare annotation was computed. [2019-09-20 13:07:00,084 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 760) no Hoare annotation was computed. [2019-09-20 13:07:00,084 INFO L443 ceAbstractionStarter]: For program point L747-1(lines 739 763) no Hoare annotation was computed. [2019-09-20 13:07:00,084 INFO L446 ceAbstractionStarter]: At program point L745(line 745) the Hoare annotation is: true [2019-09-20 13:07:00,085 INFO L443 ceAbstractionStarter]: For program point L745-1(line 745) no Hoare annotation was computed. [2019-09-20 13:07:00,085 INFO L439 ceAbstractionStarter]: At program point mainENTRY(lines 840 862) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,085 INFO L443 ceAbstractionStarter]: For program point mainEXIT(lines 840 862) no Hoare annotation was computed. [2019-09-20 13:07:00,085 INFO L439 ceAbstractionStarter]: At program point L852(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1))) [2019-09-20 13:07:00,085 INFO L439 ceAbstractionStarter]: At program point L852-1(line 852) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (= main_~tmp~10 ~systemActive~0) (= main_~tmp~10 1))) [2019-09-20 13:07:00,085 INFO L443 ceAbstractionStarter]: For program point L850(lines 850 857) no Hoare annotation was computed. [2019-09-20 13:07:00,085 INFO L443 ceAbstractionStarter]: For program point L850-1(lines 850 857) no Hoare annotation was computed. [2019-09-20 13:07:00,086 INFO L443 ceAbstractionStarter]: For program point L848(line 848) no Hoare annotation was computed. [2019-09-20 13:07:00,086 INFO L439 ceAbstractionStarter]: At program point L847(line 847) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,086 INFO L439 ceAbstractionStarter]: At program point L846(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,086 INFO L439 ceAbstractionStarter]: At program point L846-1(line 846) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,086 INFO L443 ceAbstractionStarter]: For program point mainFINAL(lines 840 862) no Hoare annotation was computed. [2019-09-20 13:07:00,086 INFO L443 ceAbstractionStarter]: For program point L801(line 801) no Hoare annotation was computed. [2019-09-20 13:07:00,086 INFO L443 ceAbstractionStarter]: For program point Specification2EXIT(lines 796 819) no Hoare annotation was computed. [2019-09-20 13:07:00,087 INFO L443 ceAbstractionStarter]: For program point Specification2ENTRY(lines 796 819) no Hoare annotation was computed. [2019-09-20 13:07:00,087 INFO L443 ceAbstractionStarter]: For program point Specification2FINAL(lines 796 819) no Hoare annotation was computed. [2019-09-20 13:07:00,087 INFO L443 ceAbstractionStarter]: For program point L814(line 814) no Hoare annotation was computed. [2019-09-20 13:07:00,087 INFO L443 ceAbstractionStarter]: For program point L813(line 813) no Hoare annotation was computed. [2019-09-20 13:07:00,087 INFO L443 ceAbstractionStarter]: For program point L812(line 812) no Hoare annotation was computed. [2019-09-20 13:07:00,087 INFO L443 ceAbstractionStarter]: For program point L811(line 811) no Hoare annotation was computed. [2019-09-20 13:07:00,087 INFO L443 ceAbstractionStarter]: For program point L810(line 810) no Hoare annotation was computed. [2019-09-20 13:07:00,087 INFO L443 ceAbstractionStarter]: For program point L809(line 809) no Hoare annotation was computed. [2019-09-20 13:07:00,088 INFO L443 ceAbstractionStarter]: For program point L808(line 808) no Hoare annotation was computed. [2019-09-20 13:07:00,088 INFO L443 ceAbstractionStarter]: For program point L807(line 807) no Hoare annotation was computed. [2019-09-20 13:07:00,088 INFO L443 ceAbstractionStarter]: For program point L806(line 806) no Hoare annotation was computed. [2019-09-20 13:07:00,088 INFO L443 ceAbstractionStarter]: For program point L805(line 805) no Hoare annotation was computed. [2019-09-20 13:07:00,088 INFO L443 ceAbstractionStarter]: For program point L804(line 804) no Hoare annotation was computed. [2019-09-20 13:07:00,088 INFO L443 ceAbstractionStarter]: For program point L803(line 803) no Hoare annotation was computed. [2019-09-20 13:07:00,088 INFO L443 ceAbstractionStarter]: For program point L802(line 802) no Hoare annotation was computed. [2019-09-20 13:07:00,088 INFO L443 ceAbstractionStarter]: For program point stopSystemEXIT(lines 275 289) no Hoare annotation was computed. [2019-09-20 13:07:00,089 INFO L439 ceAbstractionStarter]: At program point L281(line 281) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (or (not (<= 1 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0)))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) [2019-09-20 13:07:00,089 INFO L443 ceAbstractionStarter]: For program point L279(lines 279 285) no Hoare annotation was computed. [2019-09-20 13:07:00,089 INFO L439 ceAbstractionStarter]: At program point stopSystemENTRY(lines 275 289) the Hoare annotation is: (and (or (= ~pumpRunning~0 0) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0))) (or (or (not (<= 1 |old(~pumpRunning~0)|)) (or (= |old(~systemActive~0)| 0) (not (<= 2 ~waterLevel~0)))) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))))) [2019-09-20 13:07:00,089 INFO L443 ceAbstractionStarter]: For program point stopSystemFINAL(lines 275 289) no Hoare annotation was computed. [2019-09-20 13:07:00,089 INFO L443 ceAbstractionStarter]: For program point isPumpRunningEXIT(lines 192 200) no Hoare annotation was computed. [2019-09-20 13:07:00,089 INFO L446 ceAbstractionStarter]: At program point isPumpRunningENTRY(lines 192 200) the Hoare annotation is: true [2019-09-20 13:07:00,089 INFO L443 ceAbstractionStarter]: For program point isPumpRunningFINAL(lines 192 200) no Hoare annotation was computed. [2019-09-20 13:07:00,090 INFO L446 ceAbstractionStarter]: At program point isLowWaterLevelENTRY(lines 256 274) the Hoare annotation is: true [2019-09-20 13:07:00,090 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 269) no Hoare annotation was computed. [2019-09-20 13:07:00,090 INFO L446 ceAbstractionStarter]: At program point L263(line 263) the Hoare annotation is: true [2019-09-20 13:07:00,090 INFO L443 ceAbstractionStarter]: For program point L265-2(lines 265 269) no Hoare annotation was computed. [2019-09-20 13:07:00,090 INFO L443 ceAbstractionStarter]: For program point L263-1(line 263) no Hoare annotation was computed. [2019-09-20 13:07:00,090 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelEXIT(lines 256 274) no Hoare annotation was computed. [2019-09-20 13:07:00,090 INFO L443 ceAbstractionStarter]: For program point isLowWaterLevelFINAL(lines 256 274) no Hoare annotation was computed. [2019-09-20 13:07:00,090 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 228) no Hoare annotation was computed. [2019-09-20 13:07:00,091 INFO L443 ceAbstractionStarter]: For program point L220-2(lines 220 228) no Hoare annotation was computed. [2019-09-20 13:07:00,091 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 216) no Hoare annotation was computed. [2019-09-20 13:07:00,091 INFO L443 ceAbstractionStarter]: For program point printPumpFINAL(lines 201 236) no Hoare annotation was computed. [2019-09-20 13:07:00,091 INFO L443 ceAbstractionStarter]: For program point L208-2(lines 208 216) no Hoare annotation was computed. [2019-09-20 13:07:00,091 INFO L443 ceAbstractionStarter]: For program point L231(line 231) no Hoare annotation was computed. [2019-09-20 13:07:00,091 INFO L443 ceAbstractionStarter]: For program point printPumpENTRY(lines 201 236) no Hoare annotation was computed. [2019-09-20 13:07:00,091 INFO L443 ceAbstractionStarter]: For program point L231-1(line 231) no Hoare annotation was computed. [2019-09-20 13:07:00,091 INFO L443 ceAbstractionStarter]: For program point printPumpEXIT(lines 201 236) no Hoare annotation was computed. [2019-09-20 13:07:00,092 INFO L443 ceAbstractionStarter]: For program point select_featuresEXIT(lines 987 993) no Hoare annotation was computed. [2019-09-20 13:07:00,092 INFO L446 ceAbstractionStarter]: At program point select_featuresFINAL(lines 987 993) the Hoare annotation is: true [2019-09-20 13:07:00,092 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setENTRY(lines 305 350) no Hoare annotation was computed. [2019-09-20 13:07:00,092 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setEXIT(lines 305 350) no Hoare annotation was computed. [2019-09-20 13:07:00,092 INFO L443 ceAbstractionStarter]: For program point __utac__exception__cf_handler_setFINAL(lines 305 350) no Hoare annotation was computed. [2019-09-20 13:07:00,092 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 645) no Hoare annotation was computed. [2019-09-20 13:07:00,092 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeFINAL(lines 618 663) no Hoare annotation was computed. [2019-09-20 13:07:00,092 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 652) no Hoare annotation was computed. [2019-09-20 13:07:00,093 INFO L443 ceAbstractionStarter]: For program point L632-1(lines 632 652) no Hoare annotation was computed. [2019-09-20 13:07:00,093 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeENTRY(lines 618 663) no Hoare annotation was computed. [2019-09-20 13:07:00,093 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argtypeEXIT(lines 618 663) no Hoare annotation was computed. [2019-09-20 13:07:00,093 INFO L439 ceAbstractionStarter]: At program point runTestENTRY(lines 827 836) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,093 INFO L443 ceAbstractionStarter]: For program point runTestEXIT(lines 827 836) no Hoare annotation was computed. [2019-09-20 13:07:00,093 INFO L443 ceAbstractionStarter]: For program point runTestFINAL(lines 827 836) no Hoare annotation was computed. [2019-09-20 13:07:00,093 INFO L446 ceAbstractionStarter]: At program point isMethaneAlarmENTRY(lines 181 191) the Hoare annotation is: true [2019-09-20 13:07:00,093 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmEXIT(lines 181 191) no Hoare annotation was computed. [2019-09-20 13:07:00,094 INFO L446 ceAbstractionStarter]: At program point L186(line 186) the Hoare annotation is: true [2019-09-20 13:07:00,094 INFO L443 ceAbstractionStarter]: For program point L186-1(line 186) no Hoare annotation was computed. [2019-09-20 13:07:00,094 INFO L443 ceAbstractionStarter]: For program point isMethaneAlarmFINAL(lines 181 191) no Hoare annotation was computed. [2019-09-20 13:07:00,094 INFO L439 ceAbstractionStarter]: At program point deactivatePumpENTRY(lines 173 180) the Hoare annotation is: (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) [2019-09-20 13:07:00,094 INFO L443 ceAbstractionStarter]: For program point deactivatePumpEXIT(lines 173 180) no Hoare annotation was computed. [2019-09-20 13:07:00,094 INFO L443 ceAbstractionStarter]: For program point deactivatePumpFINAL(lines 173 180) no Hoare annotation was computed. [2019-09-20 13:07:00,094 INFO L443 ceAbstractionStarter]: For program point L956(lines 956 962) no Hoare annotation was computed. [2019-09-20 13:07:00,094 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryEXIT(lines 952 965) no Hoare annotation was computed. [2019-09-20 13:07:00,095 INFO L446 ceAbstractionStarter]: At program point isHighWaterSensorDryENTRY(lines 952 965) the Hoare annotation is: true [2019-09-20 13:07:00,095 INFO L443 ceAbstractionStarter]: For program point isHighWaterSensorDryFINAL(lines 952 965) no Hoare annotation was computed. [2019-09-20 13:07:00,095 INFO L439 ceAbstractionStarter]: At program point L159(line 159) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0))))) [2019-09-20 13:07:00,095 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 140 164) no Hoare annotation was computed. [2019-09-20 13:07:00,095 INFO L439 ceAbstractionStarter]: At program point L154(line 154) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:00,095 INFO L443 ceAbstractionStarter]: For program point processEnvironmentEXIT(lines 140 164) no Hoare annotation was computed. [2019-09-20 13:07:00,095 INFO L439 ceAbstractionStarter]: At program point L150(line 150) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:00,096 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 156) no Hoare annotation was computed. [2019-09-20 13:07:00,096 INFO L439 ceAbstractionStarter]: At program point processEnvironmentENTRY(lines 140 164) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-20 13:07:00,096 INFO L439 ceAbstractionStarter]: At program point L146(line 146) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:00,096 INFO L443 ceAbstractionStarter]: For program point L146-1(line 146) no Hoare annotation was computed. [2019-09-20 13:07:00,096 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 161) no Hoare annotation was computed. [2019-09-20 13:07:00,096 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__baseEXIT(lines 80 86) no Hoare annotation was computed. [2019-09-20 13:07:00,096 INFO L446 ceAbstractionStarter]: At program point processEnvironment__wrappee__baseFINAL(lines 80 86) the Hoare annotation is: true [2019-09-20 13:07:00,097 INFO L439 ceAbstractionStarter]: At program point testENTRY(lines 668 735) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,097 INFO L439 ceAbstractionStarter]: At program point L700(line 700) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:00,097 INFO L443 ceAbstractionStarter]: For program point L698(lines 698 704) no Hoare annotation was computed. [2019-09-20 13:07:00,097 INFO L443 ceAbstractionStarter]: For program point L698-1(lines 698 704) no Hoare annotation was computed. [2019-09-20 13:07:00,097 INFO L443 ceAbstractionStarter]: For program point testFINAL(lines 668 735) no Hoare annotation was computed. [2019-09-20 13:07:00,097 INFO L439 ceAbstractionStarter]: At program point L725(lines 678 727) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))))) [2019-09-20 13:07:00,097 INFO L439 ceAbstractionStarter]: At program point L690(line 690) the Hoare annotation is: (let ((.cse0 (<= 2 ~waterLevel~0)) (.cse1 (= 0 test_~splverifierCounter~0)) (.cse2 (= ~pumpRunning~0 0))) (or (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) .cse0 .cse1 (not (= 0 ~systemActive~0))) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2) (and (= 1 ~waterLevel~0) .cse1 .cse2))) [2019-09-20 13:07:00,098 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 694) no Hoare annotation was computed. [2019-09-20 13:07:00,098 INFO L443 ceAbstractionStarter]: For program point L688-1(lines 688 694) no Hoare annotation was computed. [2019-09-20 13:07:00,098 INFO L443 ceAbstractionStarter]: For program point L680(lines 680 684) no Hoare annotation was computed. [2019-09-20 13:07:00,098 INFO L439 ceAbstractionStarter]: At program point L728(lines 677 729) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~systemActive~0)| 1)) (not (= |old(~waterLevel~0)| 1))) [2019-09-20 13:07:00,098 INFO L439 ceAbstractionStarter]: At program point L718(line 718) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) (and .cse0 (not (= 0 ~systemActive~0)))) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:00,098 INFO L443 ceAbstractionStarter]: For program point L716(lines 716 722) no Hoare annotation was computed. [2019-09-20 13:07:00,098 INFO L439 ceAbstractionStarter]: At program point L716-1(lines 708 723) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0 (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:00,099 INFO L443 ceAbstractionStarter]: For program point L679(lines 678 727) no Hoare annotation was computed. [2019-09-20 13:07:00,099 INFO L439 ceAbstractionStarter]: At program point L710(line 710) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0))) (or (and (<= 1 ~pumpRunning~0) (<= 2 ~waterLevel~0) .cse0) (not (= |old(~systemActive~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (<= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (= |old(~waterLevel~0)| 1)))) [2019-09-20 13:07:00,099 INFO L443 ceAbstractionStarter]: For program point L708(lines 708 723) no Hoare annotation was computed. [2019-09-20 13:07:00,099 INFO L443 ceAbstractionStarter]: For program point testEXIT(lines 668 735) no Hoare annotation was computed. [2019-09-20 13:07:00,099 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argENTRY(lines 572 617) no Hoare annotation was computed. [2019-09-20 13:07:00,099 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argEXIT(lines 572 617) no Hoare annotation was computed. [2019-09-20 13:07:00,099 INFO L443 ceAbstractionStarter]: For program point __utac__get_this_argFINAL(lines 572 617) no Hoare annotation was computed. [2019-09-20 13:07:00,099 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 599) no Hoare annotation was computed. [2019-09-20 13:07:00,100 INFO L443 ceAbstractionStarter]: For program point L586(lines 586 606) no Hoare annotation was computed. [2019-09-20 13:07:00,100 INFO L443 ceAbstractionStarter]: For program point L586-1(lines 586 606) no Hoare annotation was computed. [2019-09-20 13:07:00,100 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryFINAL(lines 966 974) no Hoare annotation was computed. [2019-09-20 13:07:00,100 INFO L446 ceAbstractionStarter]: At program point isLowWaterSensorDryENTRY(lines 966 974) the Hoare annotation is: true [2019-09-20 13:07:00,100 INFO L443 ceAbstractionStarter]: For program point isLowWaterSensorDryEXIT(lines 966 974) no Hoare annotation was computed. [2019-09-20 13:07:00,100 INFO L443 ceAbstractionStarter]: For program point L928(lines 928 936) no Hoare annotation was computed. [2019-09-20 13:07:00,100 INFO L443 ceAbstractionStarter]: For program point L928-2(lines 928 936) no Hoare annotation was computed. [2019-09-20 13:07:00,100 INFO L443 ceAbstractionStarter]: For program point printEnvironmentEXIT(lines 920 942) no Hoare annotation was computed. [2019-09-20 13:07:00,100 INFO L443 ceAbstractionStarter]: For program point printEnvironmentENTRY(lines 920 942) no Hoare annotation was computed. [2019-09-20 13:07:00,101 INFO L443 ceAbstractionStarter]: For program point printEnvironmentFINAL(lines 920 942) no Hoare annotation was computed. [2019-09-20 13:07:00,101 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtENTRY(lines 469 571) no Hoare annotation was computed. [2019-09-20 13:07:00,101 INFO L443 ceAbstractionStarter]: For program point L539(lines 517 540) no Hoare annotation was computed. [2019-09-20 13:07:00,101 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 514) no Hoare annotation was computed. [2019-09-20 13:07:00,101 INFO L443 ceAbstractionStarter]: For program point L558(lines 558 565) no Hoare annotation was computed. [2019-09-20 13:07:00,101 INFO L443 ceAbstractionStarter]: For program point L519(lines 518 538) no Hoare annotation was computed. [2019-09-20 13:07:00,101 INFO L443 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2019-09-20 13:07:00,101 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtFINAL(lines 469 571) no Hoare annotation was computed. [2019-09-20 13:07:00,102 INFO L443 ceAbstractionStarter]: For program point L550-1(line 550) no Hoare annotation was computed. [2019-09-20 13:07:00,102 INFO L443 ceAbstractionStarter]: For program point L515(lines 515 556) no Hoare annotation was computed. [2019-09-20 13:07:00,102 INFO L443 ceAbstractionStarter]: For program point L534(line 534) no Hoare annotation was computed. [2019-09-20 13:07:00,102 INFO L443 ceAbstractionStarter]: For program point L534-1(line 534) no Hoare annotation was computed. [2019-09-20 13:07:00,102 INFO L443 ceAbstractionStarter]: For program point __utac__error_stack_mgtEXIT(lines 469 571) no Hoare annotation was computed. [2019-09-20 13:07:00,102 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 497) no Hoare annotation was computed. [2019-09-20 13:07:00,102 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 568) no Hoare annotation was computed. [2019-09-20 13:07:00,102 INFO L443 ceAbstractionStarter]: For program point L520(lines 520 524) no Hoare annotation was computed. [2019-09-20 13:07:00,102 INFO L443 ceAbstractionStarter]: For program point L518-2(lines 518 538) no Hoare annotation was computed. [2019-09-20 13:07:00,103 INFO L443 ceAbstractionStarter]: For program point select_oneENTRY(lines 977 986) no Hoare annotation was computed. [2019-09-20 13:07:00,103 INFO L443 ceAbstractionStarter]: For program point select_oneFINAL(lines 977 986) no Hoare annotation was computed. [2019-09-20 13:07:00,103 INFO L443 ceAbstractionStarter]: For program point select_oneEXIT(lines 977 986) no Hoare annotation was computed. [2019-09-20 13:07:00,103 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,103 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 13:07:00,103 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,103 INFO L443 ceAbstractionStarter]: For program point activatePumpFINAL(lines 165 172) no Hoare annotation was computed. [2019-09-20 13:07:00,103 INFO L443 ceAbstractionStarter]: For program point activatePumpEXIT(lines 165 172) no Hoare annotation was computed. [2019-09-20 13:07:00,104 INFO L439 ceAbstractionStarter]: At program point activatePumpENTRY(lines 165 172) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 2 ~waterLevel~0)) (= ~pumpRunning~0 0)) [2019-09-20 13:07:00,104 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelEXIT(lines 237 255) no Hoare annotation was computed. [2019-09-20 13:07:00,104 INFO L443 ceAbstractionStarter]: For program point L246(lines 246 250) no Hoare annotation was computed. [2019-09-20 13:07:00,104 INFO L446 ceAbstractionStarter]: At program point isHighWaterLevelENTRY(lines 237 255) the Hoare annotation is: true [2019-09-20 13:07:00,104 INFO L443 ceAbstractionStarter]: For program point isHighWaterLevelFINAL(lines 237 255) no Hoare annotation was computed. [2019-09-20 13:07:00,104 INFO L446 ceAbstractionStarter]: At program point L244(line 244) the Hoare annotation is: true [2019-09-20 13:07:00,104 INFO L443 ceAbstractionStarter]: For program point L246-2(lines 246 250) no Hoare annotation was computed. [2019-09-20 13:07:00,104 INFO L443 ceAbstractionStarter]: For program point L244-1(line 244) no Hoare annotation was computed. [2019-09-20 13:07:00,105 INFO L446 ceAbstractionStarter]: At program point getWaterLevelENTRY(lines 943 951) the Hoare annotation is: true [2019-09-20 13:07:00,105 INFO L443 ceAbstractionStarter]: For program point getWaterLevelFINAL(lines 943 951) no Hoare annotation was computed. [2019-09-20 13:07:00,105 INFO L443 ceAbstractionStarter]: For program point getWaterLevelEXIT(lines 943 951) no Hoare annotation was computed. [2019-09-20 13:07:00,105 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,105 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,105 INFO L443 ceAbstractionStarter]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,105 INFO L446 ceAbstractionStarter]: At program point changeMethaneLevelENTRY(lines 899 910) the Hoare annotation is: true [2019-09-20 13:07:00,105 INFO L443 ceAbstractionStarter]: For program point L903-1(lines 899 910) no Hoare annotation was computed. [2019-09-20 13:07:00,105 INFO L443 ceAbstractionStarter]: For program point changeMethaneLevelEXIT(lines 899 910) no Hoare annotation was computed. [2019-09-20 13:07:00,106 INFO L446 ceAbstractionStarter]: At program point isMethaneLevelCriticalENTRY(lines 911 919) the Hoare annotation is: true [2019-09-20 13:07:00,106 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalFINAL(lines 911 919) no Hoare annotation was computed. [2019-09-20 13:07:00,106 INFO L443 ceAbstractionStarter]: For program point isMethaneLevelCriticalEXIT(lines 911 919) no Hoare annotation was computed. [2019-09-20 13:07:00,106 INFO L439 ceAbstractionStarter]: At program point L62(line 62) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 (not (= |old(~waterLevel~0)| 1))) (or .cse0 .cse1) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0)) .cse1))) [2019-09-20 13:07:00,106 INFO L443 ceAbstractionStarter]: For program point L60(lines 59 78) no Hoare annotation was computed. [2019-09-20 13:07:00,106 INFO L439 ceAbstractionStarter]: At program point timeShiftENTRY(lines 56 79) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= ~pumpRunning~0 0)) (not (<= 1 |old(~waterLevel~0)|))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) (not (<= 2 |old(~waterLevel~0)|))))) [2019-09-20 13:07:00,106 INFO L443 ceAbstractionStarter]: For program point timeShiftEXIT(lines 56 79) no Hoare annotation was computed. [2019-09-20 13:07:00,107 INFO L443 ceAbstractionStarter]: For program point timeShiftFINAL(lines 56 79) no Hoare annotation was computed. [2019-09-20 13:07:00,107 INFO L439 ceAbstractionStarter]: At program point L69(line 69) the Hoare annotation is: (and (or (not (= 0 |old(~pumpRunning~0)|)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 0) (not (= 0 ~systemActive~0))) (not (<= 1 |old(~waterLevel~0)|))) (or (not (<= 1 |old(~pumpRunning~0)|)) (let ((.cse0 (+ ~waterLevel~0 1))) (and (<= .cse0 |old(~waterLevel~0)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (<= |old(~waterLevel~0)| .cse0))) (= ~systemActive~0 0) (not (<= 2 |old(~waterLevel~0)|)))) [2019-09-20 13:07:00,107 INFO L439 ceAbstractionStarter]: At program point L67(lines 67 73) the Hoare annotation is: (let ((.cse3 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse5 (= ~pumpRunning~0 0))) (let ((.cse1 (not (<= 2 |old(~waterLevel~0)|))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse3 .cse5))) (and (or (or .cse0 .cse1) .cse2 (and (<= 1 ~pumpRunning~0) .cse3 (not (= 0 ~systemActive~0)))) (or (not (<= 1 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) .cse1 (let ((.cse4 (+ ~waterLevel~0 1))) (and (<= .cse4 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| .cse4) .cse5))) (or .cse0 .cse2 (not (= |old(~waterLevel~0)| 1)))))) [2019-09-20 13:07:00,107 INFO L443 ceAbstractionStarter]: For program point cleanupEXIT(lines 766 795) no Hoare annotation was computed. [2019-09-20 13:07:00,107 INFO L446 ceAbstractionStarter]: At program point cleanupENTRY(lines 766 795) the Hoare annotation is: true [2019-09-20 13:07:00,107 INFO L446 ceAbstractionStarter]: At program point L791(lines 766 795) the Hoare annotation is: true [2019-09-20 13:07:00,107 INFO L443 ceAbstractionStarter]: For program point L787(line 787) no Hoare annotation was computed. [2019-09-20 13:07:00,108 INFO L443 ceAbstractionStarter]: For program point L780(lines 780 784) no Hoare annotation was computed. [2019-09-20 13:07:00,108 INFO L446 ceAbstractionStarter]: At program point L780-1(lines 780 784) the Hoare annotation is: true [2019-09-20 13:07:00,108 INFO L443 ceAbstractionStarter]: For program point L777(line 777) no Hoare annotation was computed. [2019-09-20 13:07:00,108 INFO L446 ceAbstractionStarter]: At program point L776-2(lines 776 790) the Hoare annotation is: true [2019-09-20 13:07:00,108 INFO L446 ceAbstractionStarter]: At program point L772(line 772) the Hoare annotation is: true [2019-09-20 13:07:00,108 INFO L443 ceAbstractionStarter]: For program point L772-1(line 772) no Hoare annotation was computed. [2019-09-20 13:07:00,108 INFO L439 ceAbstractionStarter]: At program point lowerWaterLevelENTRY(lines 875 886) the Hoare annotation is: (or (not (<= 1 ~pumpRunning~0)) (= ~systemActive~0 0) (= |old(~waterLevel~0)| ~waterLevel~0) (not (<= 2 |old(~waterLevel~0)|))) [2019-09-20 13:07:00,109 INFO L443 ceAbstractionStarter]: For program point L879-1(lines 875 886) no Hoare annotation was computed. [2019-09-20 13:07:00,109 INFO L443 ceAbstractionStarter]: For program point lowerWaterLevelEXIT(lines 875 886) no Hoare annotation was computed. [2019-09-20 13:07:00,109 INFO L443 ceAbstractionStarter]: For program point setupEXIT(lines 820 826) no Hoare annotation was computed. [2019-09-20 13:07:00,109 INFO L446 ceAbstractionStarter]: At program point setupFINAL(lines 820 826) the Hoare annotation is: true [2019-09-20 13:07:00,109 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,109 INFO L439 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= 1 ~waterLevel~0) (= ~pumpRunning~0 0)) [2019-09-20 13:07:00,109 INFO L446 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2019-09-20 13:07:00,109 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-09-20 13:07:00,109 INFO L443 ceAbstractionStarter]: For program point startSystemEXIT(lines 290 297) no Hoare annotation was computed. [2019-09-20 13:07:00,110 INFO L446 ceAbstractionStarter]: At program point startSystemENTRY(lines 290 297) the Hoare annotation is: true [2019-09-20 13:07:00,110 INFO L443 ceAbstractionStarter]: For program point startSystemFINAL(lines 290 297) no Hoare annotation was computed. [2019-09-20 13:07:00,110 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 88 112) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:00,110 INFO L443 ceAbstractionStarter]: For program point L96(lines 96 104) no Hoare annotation was computed. [2019-09-20 13:07:00,110 INFO L439 ceAbstractionStarter]: At program point L94(line 94) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= ~systemActive~0 0)) (.cse2 (= ~pumpRunning~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))))) [2019-09-20 13:07:00,110 INFO L443 ceAbstractionStarter]: For program point L94-1(line 94) no Hoare annotation was computed. [2019-09-20 13:07:00,110 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 109) no Hoare annotation was computed. [2019-09-20 13:07:00,110 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 88 112) no Hoare annotation was computed. [2019-09-20 13:07:00,111 INFO L439 ceAbstractionStarter]: At program point L107(line 107) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:00,111 INFO L443 ceAbstractionStarter]: For program point L107-1(lines 88 112) no Hoare annotation was computed. [2019-09-20 13:07:00,111 INFO L439 ceAbstractionStarter]: At program point L102(line 102) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (= 0 processEnvironment__wrappee__highWaterSensor_~tmp~0) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:00,111 INFO L439 ceAbstractionStarter]: At program point L98(line 98) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= ~systemActive~0 0) (and (<= 2 ~waterLevel~0) (= ~pumpRunning~0 0)) (not (<= 1 ~waterLevel~0))) [2019-09-20 13:07:00,111 INFO L443 ceAbstractionStarter]: For program point waterRiseEXIT(lines 887 898) no Hoare annotation was computed. [2019-09-20 13:07:00,111 INFO L443 ceAbstractionStarter]: For program point L891-1(lines 887 898) no Hoare annotation was computed. [2019-09-20 13:07:00,111 INFO L439 ceAbstractionStarter]: At program point waterRiseENTRY(lines 887 898) the Hoare annotation is: (let ((.cse0 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 1 ~pumpRunning~0)) .cse0 (not (<= 2 |old(~waterLevel~0)|)) (= ~systemActive~0 0)) (or (not (= 0 ~pumpRunning~0)) .cse0 (not (<= 1 |old(~waterLevel~0)|))))) [2019-09-20 13:07:00,111 INFO L443 ceAbstractionStarter]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 868) no Hoare annotation was computed. [2019-09-20 13:07:00,112 INFO L443 ceAbstractionStarter]: For program point __automaton_failFINAL(lines 864 871) no Hoare annotation was computed. [2019-09-20 13:07:00,112 INFO L446 ceAbstractionStarter]: At program point __automaton_failENTRY(lines 864 871) the Hoare annotation is: true [2019-09-20 13:07:00,112 INFO L443 ceAbstractionStarter]: For program point __automaton_failEXIT(lines 864 871) no Hoare annotation was computed. [2019-09-20 13:07:00,112 INFO L439 ceAbstractionStarter]: At program point L128(line 128) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:00,112 INFO L443 ceAbstractionStarter]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 114 138) no Hoare annotation was computed. [2019-09-20 13:07:00,112 INFO L439 ceAbstractionStarter]: At program point L124(line 124) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 1 processEnvironment__wrappee__lowWaterSensor_~tmp~1)) .cse1) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:00,112 INFO L439 ceAbstractionStarter]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 114 138) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0)) (= ~pumpRunning~0 |old(~pumpRunning~0)|)))) [2019-09-20 13:07:00,112 INFO L443 ceAbstractionStarter]: For program point L122(lines 122 130) no Hoare annotation was computed. [2019-09-20 13:07:00,113 INFO L439 ceAbstractionStarter]: At program point L120(line 120) the Hoare annotation is: (let ((.cse0 (= ~systemActive~0 0)) (.cse1 (not (<= 1 ~waterLevel~0)))) (and (or (not (<= 1 |old(~pumpRunning~0)|)) .cse0 .cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2019-09-20 13:07:00,113 INFO L443 ceAbstractionStarter]: For program point L120-1(line 120) no Hoare annotation was computed. [2019-09-20 13:07:00,113 INFO L443 ceAbstractionStarter]: For program point L118(lines 118 135) no Hoare annotation was computed. [2019-09-20 13:07:00,113 INFO L439 ceAbstractionStarter]: At program point L133(line 133) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= ~pumpRunning~0 0)) (.cse1 (= ~systemActive~0 0))) (and (or (or .cse0 .cse1) (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 .cse2 (not (= ~waterLevel~0 1))) (or (not (<= 1 |old(~pumpRunning~0)|)) .cse1 (not (<= 1 ~waterLevel~0))))) [2019-09-20 13:07:00,113 INFO L443 ceAbstractionStarter]: For program point L133-1(lines 114 138) no Hoare annotation was computed. [2019-09-20 13:07:00,127 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.09 01:07:00 BoogieIcfgContainer [2019-09-20 13:07:00,127 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-09-20 13:07:00,129 INFO L168 Benchmark]: Toolchain (without parser) took 25163.25 ms. Allocated memory was 141.6 MB in the beginning and 601.9 MB in the end (delta: 460.3 MB). Free memory was 87.7 MB in the beginning and 314.2 MB in the end (delta: -226.5 MB). Peak memory consumption was 469.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,129 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 671.36 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 87.5 MB in the beginning and 166.0 MB in the end (delta: -78.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,131 INFO L168 Benchmark]: Boogie Preprocessor took 99.14 ms. Allocated memory is still 201.3 MB. Free memory was 166.0 MB in the beginning and 161.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,132 INFO L168 Benchmark]: RCFGBuilder took 1299.71 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 161.7 MB in the beginning and 189.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,133 INFO L168 Benchmark]: TraceAbstraction took 23088.71 ms. Allocated memory was 228.6 MB in the beginning and 601.9 MB in the end (delta: 373.3 MB). Free memory was 189.4 MB in the beginning and 314.2 MB in the end (delta: -124.8 MB). Peak memory consumption was 484.5 MB. Max. memory is 7.1 GB. [2019-09-20 13:07:00,137 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 141.6 MB. Free memory was 107.6 MB in the beginning and 107.4 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 671.36 ms. Allocated memory was 141.6 MB in the beginning and 201.3 MB in the end (delta: 59.8 MB). Free memory was 87.5 MB in the beginning and 166.0 MB in the end (delta: -78.5 MB). Peak memory consumption was 22.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 99.14 ms. Allocated memory is still 201.3 MB. Free memory was 166.0 MB in the beginning and 161.7 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1299.71 ms. Allocated memory was 201.3 MB in the beginning and 228.6 MB in the end (delta: 27.3 MB). Free memory was 161.7 MB in the beginning and 189.4 MB in the end (delta: -27.7 MB). Peak memory consumption was 86.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 23088.71 ms. Allocated memory was 228.6 MB in the beginning and 601.9 MB in the end (delta: 373.3 MB). Free memory was 189.4 MB in the beginning and 314.2 MB in the end (delta: -124.8 MB). Peak memory consumption was 484.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 868]: 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: 776]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 677]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(\old(systemActive) == 1)) || !(\old(waterLevel) == 1) - InvariantResult [Line: 766]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 678]: Loop Invariant Derived loop invariant: (((!(\old(systemActive) == 1) || !(0 == \old(pumpRunning))) || ((0 == splverifierCounter && 1 <= waterLevel) && pumpRunning == 0)) || !(\old(waterLevel) == 1)) || (((1 <= pumpRunning && 2 <= waterLevel) && 0 == splverifierCounter) && !(0 == systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 43 procedures, 255 locations, 1 error locations. SAFE Result, 23.0s OverallTime, 11 OverallIterations, 3 TraceHistogramMax, 12.1s AutomataDifference, 0.0s DeadEndRemovalTime, 5.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 2246 SDtfs, 3294 SDslu, 7418 SDs, 0 SdLazy, 9352 SolverSat, 2199 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1218 GetRequests, 1053 SyntacticMatches, 0 SemanticMatches, 165 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1137 ImplicationChecksByTransitivity, 1.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2300occurred in iteration=10, 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: 0.9s AutomataMinimizationTime, 11 MinimizatonAttempts, 1009 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 71 LocationsWithAnnotation, 4470 PreInvPairs, 4584 NumberOfFragments, 1335 HoareAnnotationTreeSize, 4470 FomulaSimplifications, 40272 FormulaSimplificationTreeSizeReduction, 1.4s HoareSimplificationTime, 71 FomulaSimplificationsInter, 15397 FormulaSimplificationTreeSizeReductionInter, 3.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 2277 NumberOfCodeBlocks, 2277 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 2260 ConstructedInterpolants, 0 QuantifiedInterpolants, 553392 SizeOfPredicates, 18 NumberOfNonLiveVariables, 5603 ConjunctsInSsa, 59 ConjunctsInUnsatCore, 17 InterpolantComputations, 8 PerfectInterpolantSequences, 736/830 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...