/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy CAMEL_NO_AM -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-79ed534 [2020-07-19 20:55:17,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-19 20:55:17,847 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-19 20:55:17,866 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-19 20:55:17,867 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-19 20:55:17,868 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-19 20:55:17,870 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-19 20:55:17,881 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-19 20:55:17,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-19 20:55:17,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-19 20:55:17,890 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-19 20:55:17,892 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-19 20:55:17,892 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-19 20:55:17,894 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-19 20:55:17,897 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-19 20:55:17,898 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-19 20:55:17,900 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-19 20:55:17,901 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-19 20:55:17,902 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-19 20:55:17,907 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-19 20:55:17,912 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-19 20:55:17,916 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-19 20:55:17,917 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-19 20:55:17,918 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-19 20:55:17,921 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-19 20:55:17,921 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-19 20:55:17,921 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-19 20:55:17,924 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-19 20:55:17,924 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-19 20:55:17,926 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-19 20:55:17,926 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-19 20:55:17,927 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-19 20:55:17,928 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-19 20:55:17,929 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-19 20:55:17,930 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-19 20:55:17,930 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-19 20:55:17,931 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-19 20:55:17,931 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-19 20:55:17,931 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-19 20:55:17,932 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-19 20:55:17,933 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-19 20:55:17,934 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-19 20:55:17,970 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-19 20:55:17,971 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-19 20:55:17,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-19 20:55:17,972 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-19 20:55:17,972 INFO L138 SettingsManager]: * Use SBE=true [2020-07-19 20:55:17,973 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-19 20:55:17,973 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-19 20:55:17,973 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-19 20:55:17,973 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-19 20:55:17,973 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-19 20:55:17,974 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-19 20:55:17,974 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-19 20:55:17,974 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-19 20:55:17,976 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-19 20:55:17,976 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-19 20:55:17,976 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-19 20:55:17,977 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-19 20:55:17,977 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-19 20:55:17,977 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-19 20:55:17,977 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-19 20:55:17,977 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-19 20:55:17,978 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 20:55:17,978 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-19 20:55:17,978 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-19 20:55:17,978 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-19 20:55:17,978 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-19 20:55:17,979 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-19 20:55:17,979 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-19 20:55:17,979 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-19 20:55:17,980 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> CAMEL_NO_AM [2020-07-19 20:55:18,267 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-19 20:55:18,285 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-19 20:55:18,289 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-19 20:55:18,290 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-19 20:55:18,291 INFO L275 PluginConnector]: CDTParser initialized [2020-07-19 20:55:18,292 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-07-19 20:55:18,369 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6bb60ebb/bc57aaa672d14133b542324a9e36ff46/FLAG2efd78d55 [2020-07-19 20:55:18,957 INFO L306 CDTParser]: Found 1 translation units. [2020-07-19 20:55:18,958 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product47.cil.c [2020-07-19 20:55:18,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6bb60ebb/bc57aaa672d14133b542324a9e36ff46/FLAG2efd78d55 [2020-07-19 20:55:19,191 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6bb60ebb/bc57aaa672d14133b542324a9e36ff46 [2020-07-19 20:55:19,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-19 20:55:19,205 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-19 20:55:19,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-19 20:55:19,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-19 20:55:19,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-19 20:55:19,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:55:19" (1/1) ... [2020-07-19 20:55:19,214 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1481941f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19, skipping insertion in model container [2020-07-19 20:55:19,214 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.07 08:55:19" (1/1) ... [2020-07-19 20:55:19,222 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-19 20:55:19,261 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-19 20:55:19,578 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:55:19,602 INFO L203 MainTranslator]: Completed pre-run [2020-07-19 20:55:19,793 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-19 20:55:19,834 INFO L208 MainTranslator]: Completed translation [2020-07-19 20:55:19,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19 WrapperNode [2020-07-19 20:55:19,835 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-19 20:55:19,837 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-19 20:55:19,837 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-19 20:55:19,837 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-19 20:55:19,850 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19" (1/1) ... [2020-07-19 20:55:19,851 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19" (1/1) ... [2020-07-19 20:55:19,877 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19" (1/1) ... [2020-07-19 20:55:19,879 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19" (1/1) ... [2020-07-19 20:55:19,915 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19" (1/1) ... [2020-07-19 20:55:19,927 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19" (1/1) ... [2020-07-19 20:55:19,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19" (1/1) ... [2020-07-19 20:55:19,941 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-19 20:55:19,941 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-19 20:55:19,941 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-19 20:55:19,942 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-19 20:55:19,943 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-19 20:55:20,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-19 20:55:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-19 20:55:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-19 20:55:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-19 20:55:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-19 20:55:20,025 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-19 20:55:20,026 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-19 20:55:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-19 20:55:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-19 20:55:20,027 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-19 20:55:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-19 20:55:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-19 20:55:20,028 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-19 20:55:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-19 20:55:20,029 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-19 20:55:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-19 20:55:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-19 20:55:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-19 20:55:20,030 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 20:55:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-19 20:55:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-19 20:55:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-19 20:55:20,031 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-19 20:55:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-19 20:55:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-19 20:55:20,032 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-19 20:55:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-19 20:55:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-19 20:55:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-19 20:55:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-19 20:55:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-19 20:55:20,033 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-19 20:55:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-19 20:55:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-19 20:55:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-19 20:55:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-19 20:55:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-19 20:55:20,034 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-19 20:55:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-19 20:55:20,035 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-19 20:55:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-19 20:55:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-19 20:55:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-19 20:55:20,035 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-19 20:55:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-19 20:55:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-19 20:55:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-19 20:55:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-19 20:55:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-19 20:55:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-19 20:55:20,036 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-19 20:55:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-19 20:55:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-19 20:55:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-19 20:55:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-19 20:55:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-19 20:55:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-19 20:55:20,037 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-19 20:55:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-19 20:55:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-19 20:55:20,038 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-19 20:55:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-19 20:55:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-19 20:55:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-19 20:55:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-19 20:55:20,039 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-19 20:55:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-19 20:55:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-19 20:55:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-19 20:55:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-19 20:55:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-19 20:55:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-19 20:55:20,040 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-19 20:55:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-19 20:55:20,041 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-19 20:55:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-19 20:55:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-19 20:55:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-19 20:55:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-19 20:55:20,042 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-19 20:55:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-19 20:55:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-19 20:55:20,043 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-19 20:55:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-19 20:55:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-19 20:55:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-19 20:55:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-19 20:55:20,044 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-19 20:55:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-19 20:55:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-19 20:55:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-19 20:55:20,046 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-19 20:55:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-19 20:55:20,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-19 20:55:21,131 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-19 20:55:21,131 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-19 20:55:21,137 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:55:21 BoogieIcfgContainer [2020-07-19 20:55:21,137 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-19 20:55:21,138 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-19 20:55:21,138 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-19 20:55:21,141 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-19 20:55:21,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.07 08:55:19" (1/3) ... [2020-07-19 20:55:21,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ae7009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:55:21, skipping insertion in model container [2020-07-19 20:55:21,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.07 08:55:19" (2/3) ... [2020-07-19 20:55:21,143 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@15ae7009 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.07 08:55:21, skipping insertion in model container [2020-07-19 20:55:21,143 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.07 08:55:21" (3/3) ... [2020-07-19 20:55:21,145 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product47.cil.c [2020-07-19 20:55:21,156 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-19 20:55:21,164 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-19 20:55:21,179 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-19 20:55:21,204 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-19 20:55:21,204 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-19 20:55:21,204 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-19 20:55:21,204 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-19 20:55:21,205 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-19 20:55:21,205 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-19 20:55:21,205 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-19 20:55:21,205 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-19 20:55:21,229 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states. [2020-07-19 20:55:21,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-19 20:55:21,247 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:21,248 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:21,248 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:21,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:21,255 INFO L82 PathProgramCache]: Analyzing trace with hash -1070296044, now seen corresponding path program 1 times [2020-07-19 20:55:21,262 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:21,262 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1751409469] [2020-07-19 20:55:21,262 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:21,980 WARN L193 SmtUtils]: Spent 280.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:21,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:22,069 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:22,073 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1751409469] [2020-07-19 20:55:22,074 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:22,075 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-19 20:55:22,077 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [554686457] [2020-07-19 20:55:22,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-19 20:55:22,093 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:22,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-19 20:55:22,110 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 20:55:22,113 INFO L87 Difference]: Start difference. First operand 179 states. Second operand 3 states. [2020-07-19 20:55:23,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:23,432 INFO L93 Difference]: Finished difference Result 317 states and 417 transitions. [2020-07-19 20:55:23,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-19 20:55:23,434 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-07-19 20:55:23,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:23,448 INFO L225 Difference]: With dead ends: 317 [2020-07-19 20:55:23,448 INFO L226 Difference]: Without dead ends: 172 [2020-07-19 20:55:23,453 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-19 20:55:23,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2020-07-19 20:55:23,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 136. [2020-07-19 20:55:23,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 136 states. [2020-07-19 20:55:23,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 162 transitions. [2020-07-19 20:55:23,550 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 162 transitions. Word has length 46 [2020-07-19 20:55:23,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:23,550 INFO L479 AbstractCegarLoop]: Abstraction has 136 states and 162 transitions. [2020-07-19 20:55:23,550 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-19 20:55:23,551 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 162 transitions. [2020-07-19 20:55:23,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-19 20:55:23,554 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:23,554 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:23,555 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-19 20:55:23,555 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:23,555 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:23,556 INFO L82 PathProgramCache]: Analyzing trace with hash 689119196, now seen corresponding path program 1 times [2020-07-19 20:55:23,556 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:23,556 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131572550] [2020-07-19 20:55:23,556 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:23,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:23,877 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:23,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:23,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:23,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:23,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:23,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:23,915 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:23,915 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131572550] [2020-07-19 20:55:23,916 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:23,916 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-19 20:55:23,916 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528613568] [2020-07-19 20:55:23,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-19 20:55:23,918 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:23,918 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-19 20:55:23,918 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-19 20:55:23,919 INFO L87 Difference]: Start difference. First operand 136 states and 162 transitions. Second operand 4 states. [2020-07-19 20:55:24,314 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:25,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:25,175 INFO L93 Difference]: Finished difference Result 244 states and 300 transitions. [2020-07-19 20:55:25,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-19 20:55:25,176 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-07-19 20:55:25,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:25,180 INFO L225 Difference]: With dead ends: 244 [2020-07-19 20:55:25,180 INFO L226 Difference]: Without dead ends: 156 [2020-07-19 20:55:25,182 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-19 20:55:25,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2020-07-19 20:55:25,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 127. [2020-07-19 20:55:25,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 127 states. [2020-07-19 20:55:25,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 150 transitions. [2020-07-19 20:55:25,232 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 150 transitions. Word has length 47 [2020-07-19 20:55:25,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:25,232 INFO L479 AbstractCegarLoop]: Abstraction has 127 states and 150 transitions. [2020-07-19 20:55:25,232 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-19 20:55:25,232 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 150 transitions. [2020-07-19 20:55:25,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-19 20:55:25,234 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:25,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:25,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-19 20:55:25,235 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:25,235 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:25,235 INFO L82 PathProgramCache]: Analyzing trace with hash -1659347680, now seen corresponding path program 1 times [2020-07-19 20:55:25,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:25,236 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2043210499] [2020-07-19 20:55:25,236 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:25,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:25,535 WARN L193 SmtUtils]: Spent 185.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:25,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:25,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:25,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:25,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:25,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:25,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:25,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:25,653 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:25,653 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2043210499] [2020-07-19 20:55:25,654 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:25,654 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:55:25,655 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142662014] [2020-07-19 20:55:25,656 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:55:25,656 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:25,657 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:55:25,657 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:55:25,657 INFO L87 Difference]: Start difference. First operand 127 states and 150 transitions. Second operand 8 states. [2020-07-19 20:55:26,053 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:26,392 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:55:26,632 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:26,872 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:27,593 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:29,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:29,465 INFO L93 Difference]: Finished difference Result 437 states and 546 transitions. [2020-07-19 20:55:29,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 20:55:29,466 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-07-19 20:55:29,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:29,470 INFO L225 Difference]: With dead ends: 437 [2020-07-19 20:55:29,470 INFO L226 Difference]: Without dead ends: 334 [2020-07-19 20:55:29,472 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-07-19 20:55:29,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 334 states. [2020-07-19 20:55:29,544 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 334 to 272. [2020-07-19 20:55:29,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2020-07-19 20:55:29,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 332 transitions. [2020-07-19 20:55:29,547 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 332 transitions. Word has length 51 [2020-07-19 20:55:29,547 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:29,548 INFO L479 AbstractCegarLoop]: Abstraction has 272 states and 332 transitions. [2020-07-19 20:55:29,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:55:29,548 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 332 transitions. [2020-07-19 20:55:29,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-19 20:55:29,551 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:29,551 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:29,551 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-19 20:55:29,551 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:29,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:29,552 INFO L82 PathProgramCache]: Analyzing trace with hash -2103406603, now seen corresponding path program 1 times [2020-07-19 20:55:29,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:29,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1939810015] [2020-07-19 20:55:29,553 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:29,843 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:29,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:29,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:29,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:29,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:29,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:29,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:29,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:29,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:29,917 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1939810015] [2020-07-19 20:55:29,917 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:29,917 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-19 20:55:29,918 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2122995559] [2020-07-19 20:55:29,918 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:55:29,919 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:29,919 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:55:29,919 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-07-19 20:55:29,919 INFO L87 Difference]: Start difference. First operand 272 states and 332 transitions. Second operand 8 states. [2020-07-19 20:55:30,304 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:31,211 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:31,567 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:31,892 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:32,190 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:32,607 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:33,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:33,664 INFO L93 Difference]: Finished difference Result 882 states and 1149 transitions. [2020-07-19 20:55:33,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 20:55:33,665 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-07-19 20:55:33,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:33,672 INFO L225 Difference]: With dead ends: 882 [2020-07-19 20:55:33,672 INFO L226 Difference]: Without dead ends: 634 [2020-07-19 20:55:33,677 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-07-19 20:55:33,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 634 states. [2020-07-19 20:55:33,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 634 to 499. [2020-07-19 20:55:33,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 499 states. [2020-07-19 20:55:33,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 499 states to 499 states and 614 transitions. [2020-07-19 20:55:33,782 INFO L78 Accepts]: Start accepts. Automaton has 499 states and 614 transitions. Word has length 57 [2020-07-19 20:55:33,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:33,783 INFO L479 AbstractCegarLoop]: Abstraction has 499 states and 614 transitions. [2020-07-19 20:55:33,783 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:55:33,783 INFO L276 IsEmpty]: Start isEmpty. Operand 499 states and 614 transitions. [2020-07-19 20:55:33,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-07-19 20:55:33,787 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:33,787 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:33,787 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-19 20:55:33,787 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:33,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:33,788 INFO L82 PathProgramCache]: Analyzing trace with hash -1216252231, now seen corresponding path program 1 times [2020-07-19 20:55:33,788 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:33,788 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507487843] [2020-07-19 20:55:33,789 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:33,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:34,069 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:34,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:34,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:34,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:34,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:34,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:34,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:34,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:34,196 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:34,196 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507487843] [2020-07-19 20:55:34,196 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:34,197 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:55:34,197 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78011059] [2020-07-19 20:55:34,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:55:34,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:34,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:55:34,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:55:34,200 INFO L87 Difference]: Start difference. First operand 499 states and 614 transitions. Second operand 9 states. [2020-07-19 20:55:34,666 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:35,570 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:35,822 WARN L193 SmtUtils]: Spent 197.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:36,068 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:36,769 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:37,036 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:38,027 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:38,028 INFO L93 Difference]: Finished difference Result 1415 states and 1900 transitions. [2020-07-19 20:55:38,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-07-19 20:55:38,028 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-07-19 20:55:38,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:38,036 INFO L225 Difference]: With dead ends: 1415 [2020-07-19 20:55:38,037 INFO L226 Difference]: Without dead ends: 940 [2020-07-19 20:55:38,039 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=100, Invalid=242, Unknown=0, NotChecked=0, Total=342 [2020-07-19 20:55:38,041 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 940 states. [2020-07-19 20:55:38,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 940 to 759. [2020-07-19 20:55:38,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 759 states. [2020-07-19 20:55:38,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 759 states and 935 transitions. [2020-07-19 20:55:38,222 INFO L78 Accepts]: Start accepts. Automaton has 759 states and 935 transitions. Word has length 61 [2020-07-19 20:55:38,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:38,223 INFO L479 AbstractCegarLoop]: Abstraction has 759 states and 935 transitions. [2020-07-19 20:55:38,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:55:38,223 INFO L276 IsEmpty]: Start isEmpty. Operand 759 states and 935 transitions. [2020-07-19 20:55:38,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 20:55:38,227 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:38,228 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:38,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-07-19 20:55:38,229 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:38,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:38,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1403376364, now seen corresponding path program 1 times [2020-07-19 20:55:38,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:38,230 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1554076487] [2020-07-19 20:55:38,230 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:38,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,614 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:38,851 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:55:38,852 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1554076487] [2020-07-19 20:55:38,852 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:38,853 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:55:38,853 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668228561] [2020-07-19 20:55:38,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:55:38,854 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:38,854 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:55:38,856 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:55:38,856 INFO L87 Difference]: Start difference. First operand 759 states and 935 transitions. Second operand 9 states. [2020-07-19 20:55:39,337 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-07-19 20:55:40,288 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:40,540 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-07-19 20:55:40,828 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:41,114 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:42,997 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:42,997 INFO L93 Difference]: Finished difference Result 2506 states and 3515 transitions. [2020-07-19 20:55:42,998 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-07-19 20:55:42,998 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-07-19 20:55:42,998 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:43,015 INFO L225 Difference]: With dead ends: 2506 [2020-07-19 20:55:43,015 INFO L226 Difference]: Without dead ends: 1771 [2020-07-19 20:55:43,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 56 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 37 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2020-07-19 20:55:43,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1771 states. [2020-07-19 20:55:43,324 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1771 to 1371. [2020-07-19 20:55:43,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1371 states. [2020-07-19 20:55:43,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 1674 transitions. [2020-07-19 20:55:43,333 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 1674 transitions. Word has length 98 [2020-07-19 20:55:43,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:43,333 INFO L479 AbstractCegarLoop]: Abstraction has 1371 states and 1674 transitions. [2020-07-19 20:55:43,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:55:43,333 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1674 transitions. [2020-07-19 20:55:43,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 20:55:43,340 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:43,340 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:43,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-07-19 20:55:43,342 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:43,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:43,342 INFO L82 PathProgramCache]: Analyzing trace with hash 1411135723, now seen corresponding path program 1 times [2020-07-19 20:55:43,342 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:43,343 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1904876310] [2020-07-19 20:55:43,344 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,602 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:43,742 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:55:43,742 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1904876310] [2020-07-19 20:55:43,743 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:43,743 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-07-19 20:55:43,743 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515122177] [2020-07-19 20:55:43,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-07-19 20:55:43,744 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:43,744 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-07-19 20:55:43,744 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-07-19 20:55:43,744 INFO L87 Difference]: Start difference. First operand 1371 states and 1674 transitions. Second operand 9 states. [2020-07-19 20:55:44,788 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:45,063 WARN L193 SmtUtils]: Spent 250.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-07-19 20:55:45,335 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:45,579 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:46,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:46,737 INFO L93 Difference]: Finished difference Result 3134 states and 4213 transitions. [2020-07-19 20:55:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-07-19 20:55:46,738 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 98 [2020-07-19 20:55:46,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:46,750 INFO L225 Difference]: With dead ends: 3134 [2020-07-19 20:55:46,750 INFO L226 Difference]: Without dead ends: 1787 [2020-07-19 20:55:46,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2020-07-19 20:55:46,759 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1787 states. [2020-07-19 20:55:47,073 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1787 to 1411. [2020-07-19 20:55:47,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1411 states. [2020-07-19 20:55:47,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1411 states and 1714 transitions. [2020-07-19 20:55:47,083 INFO L78 Accepts]: Start accepts. Automaton has 1411 states and 1714 transitions. Word has length 98 [2020-07-19 20:55:47,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:47,083 INFO L479 AbstractCegarLoop]: Abstraction has 1411 states and 1714 transitions. [2020-07-19 20:55:47,084 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-07-19 20:55:47,084 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1714 transitions. [2020-07-19 20:55:47,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-19 20:55:47,089 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:47,090 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:47,090 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-07-19 20:55:47,090 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:47,090 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:47,090 INFO L82 PathProgramCache]: Analyzing trace with hash -1990345235, now seen corresponding path program 1 times [2020-07-19 20:55:47,091 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:47,091 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [168015198] [2020-07-19 20:55:47,091 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,393 WARN L193 SmtUtils]: Spent 191.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:47,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-19 20:55:47,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [168015198] [2020-07-19 20:55:47,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-19 20:55:47,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2020-07-19 20:55:47,562 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [263045965] [2020-07-19 20:55:47,563 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-07-19 20:55:47,563 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:47,564 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-07-19 20:55:47,564 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2020-07-19 20:55:47,564 INFO L87 Difference]: Start difference. First operand 1411 states and 1714 transitions. Second operand 11 states. [2020-07-19 20:55:48,107 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-07-19 20:55:48,348 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:48,594 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:49,347 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:49,612 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:49,853 WARN L193 SmtUtils]: Spent 212.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-07-19 20:55:51,115 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:51,115 INFO L93 Difference]: Finished difference Result 2760 states and 3605 transitions. [2020-07-19 20:55:51,123 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-07-19 20:55:51,123 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 98 [2020-07-19 20:55:51,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:51,133 INFO L225 Difference]: With dead ends: 2760 [2020-07-19 20:55:51,133 INFO L226 Difference]: Without dead ends: 1373 [2020-07-19 20:55:51,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 36 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=68, Invalid=238, Unknown=0, NotChecked=0, Total=306 [2020-07-19 20:55:51,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1373 states. [2020-07-19 20:55:51,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1373 to 1129. [2020-07-19 20:55:51,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2020-07-19 20:55:51,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 1346 transitions. [2020-07-19 20:55:51,317 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 1346 transitions. Word has length 98 [2020-07-19 20:55:51,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:51,318 INFO L479 AbstractCegarLoop]: Abstraction has 1129 states and 1346 transitions. [2020-07-19 20:55:51,318 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-07-19 20:55:51,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1346 transitions. [2020-07-19 20:55:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-07-19 20:55:51,322 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:51,322 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:51,322 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-07-19 20:55:51,322 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:51,323 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:51,323 INFO L82 PathProgramCache]: Analyzing trace with hash 860662504, now seen corresponding path program 1 times [2020-07-19 20:55:51,323 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:51,323 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1589693970] [2020-07-19 20:55:51,324 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:51,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,606 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:51,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:51,894 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-19 20:55:51,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1589693970] [2020-07-19 20:55:51,895 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150295457] [2020-07-19 20:55:51,896 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 20:55:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:52,176 INFO L263 TraceCheckSpWp]: Trace formula consists of 776 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 20:55:52,195 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:55:52,480 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-19 20:55:52,481 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:55:52,481 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [17] total 22 [2020-07-19 20:55:52,482 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1049458912] [2020-07-19 20:55:52,483 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:55:52,483 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:52,483 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:55:52,484 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-19 20:55:52,484 INFO L87 Difference]: Start difference. First operand 1129 states and 1346 transitions. Second operand 8 states. [2020-07-19 20:55:53,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:53,017 INFO L93 Difference]: Finished difference Result 2208 states and 2648 transitions. [2020-07-19 20:55:53,017 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 20:55:53,017 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 102 [2020-07-19 20:55:53,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:53,024 INFO L225 Difference]: With dead ends: 2208 [2020-07-19 20:55:53,025 INFO L226 Difference]: Without dead ends: 1103 [2020-07-19 20:55:53,029 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 127 SyntacticMatches, 1 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=57, Invalid=405, Unknown=0, NotChecked=0, Total=462 [2020-07-19 20:55:53,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1103 states. [2020-07-19 20:55:53,351 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1103 to 1103. [2020-07-19 20:55:53,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1103 states. [2020-07-19 20:55:53,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1103 states to 1103 states and 1291 transitions. [2020-07-19 20:55:53,357 INFO L78 Accepts]: Start accepts. Automaton has 1103 states and 1291 transitions. Word has length 102 [2020-07-19 20:55:53,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:53,358 INFO L479 AbstractCegarLoop]: Abstraction has 1103 states and 1291 transitions. [2020-07-19 20:55:53,358 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:55:53,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1103 states and 1291 transitions. [2020-07-19 20:55:53,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-19 20:55:53,364 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:53,365 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:53,580 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable8 [2020-07-19 20:55:53,580 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:53,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:53,581 INFO L82 PathProgramCache]: Analyzing trace with hash 1219959590, now seen corresponding path program 1 times [2020-07-19 20:55:53,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:53,582 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1918631165] [2020-07-19 20:55:53,582 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,894 WARN L193 SmtUtils]: Spent 243.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:53,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,093 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 16 proven. 5 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2020-07-19 20:55:54,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1918631165] [2020-07-19 20:55:54,094 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2131488906] [2020-07-19 20:55:54,094 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 20:55:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:54,297 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 6 conjunts are in the unsatisfiable core [2020-07-19 20:55:54,323 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:55:54,403 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-07-19 20:55:54,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:55:54,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [9] total 11 [2020-07-19 20:55:54,404 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496432316] [2020-07-19 20:55:54,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-19 20:55:54,405 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:54,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-19 20:55:54,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-07-19 20:55:54,405 INFO L87 Difference]: Start difference. First operand 1103 states and 1291 transitions. Second operand 5 states. [2020-07-19 20:55:55,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:55,587 INFO L93 Difference]: Finished difference Result 2803 states and 3575 transitions. [2020-07-19 20:55:55,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-19 20:55:55,588 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2020-07-19 20:55:55,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:55,600 INFO L225 Difference]: With dead ends: 2803 [2020-07-19 20:55:55,601 INFO L226 Difference]: Without dead ends: 2040 [2020-07-19 20:55:55,604 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 200 SyntacticMatches, 5 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2020-07-19 20:55:55,607 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2020-07-19 20:55:55,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 1821. [2020-07-19 20:55:55,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1821 states. [2020-07-19 20:55:56,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1821 states and 2151 transitions. [2020-07-19 20:55:56,017 INFO L78 Accepts]: Start accepts. Automaton has 1821 states and 2151 transitions. Word has length 153 [2020-07-19 20:55:56,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:56,018 INFO L479 AbstractCegarLoop]: Abstraction has 1821 states and 2151 transitions. [2020-07-19 20:55:56,018 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-19 20:55:56,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2151 transitions. [2020-07-19 20:55:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2020-07-19 20:55:56,024 INFO L414 BasicCegarLoop]: Found error trace [2020-07-19 20:55:56,024 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-19 20:55:56,238 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2020-07-19 20:55:56,239 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-19 20:55:56,239 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-19 20:55:56,240 INFO L82 PathProgramCache]: Analyzing trace with hash -1025619864, now seen corresponding path program 1 times [2020-07-19 20:55:56,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL_NO_AM [2020-07-19 20:55:56,240 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767729487] [2020-07-19 20:55:56,240 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 [2020-07-19 20:55:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,594 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-07-19 20:55:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:56,978 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2020-07-19 20:55:56,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767729487] [2020-07-19 20:55:56,979 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1777302599] [2020-07-19 20:55:56,979 INFO L95 rtionOrderModulation]: Keeping assertion order de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.tracecheck.ITraceCheckPreferences$AssertCodeBlockOrder@7ca01993 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2020-07-19 20:55:57,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-19 20:55:57,257 INFO L263 TraceCheckSpWp]: Trace formula consists of 892 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-19 20:55:57,264 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-19 20:55:57,594 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-19 20:55:57,596 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-19 20:55:57,596 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [18] total 23 [2020-07-19 20:55:57,597 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1924337245] [2020-07-19 20:55:57,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-19 20:55:57,598 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL_NO_AM [2020-07-19 20:55:57,598 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-19 20:55:57,599 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-19 20:55:57,599 INFO L87 Difference]: Start difference. First operand 1821 states and 2151 transitions. Second operand 8 states. [2020-07-19 20:55:58,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-19 20:55:58,258 INFO L93 Difference]: Finished difference Result 3159 states and 3777 transitions. [2020-07-19 20:55:58,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-19 20:55:58,259 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 153 [2020-07-19 20:55:58,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-19 20:55:58,261 INFO L225 Difference]: With dead ends: 3159 [2020-07-19 20:55:58,261 INFO L226 Difference]: Without dead ends: 0 [2020-07-19 20:55:58,269 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 193 SyntacticMatches, 1 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 69 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=60, Invalid=446, Unknown=0, NotChecked=0, Total=506 [2020-07-19 20:55:58,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-19 20:55:58,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-19 20:55:58,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-19 20:55:58,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-19 20:55:58,270 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 153 [2020-07-19 20:55:58,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-19 20:55:58,271 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-19 20:55:58,271 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-19 20:55:58,271 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-19 20:55:58,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-19 20:55:58,484 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable10 [2020-07-19 20:55:58,487 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-19 20:56:01,370 WARN L193 SmtUtils]: Spent 1.28 s on a formula simplification. DAG size of input: 391 DAG size of output: 315 [2020-07-19 20:56:02,107 WARN L193 SmtUtils]: Spent 735.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 315 [2020-07-19 20:56:04,608 WARN L193 SmtUtils]: Spent 640.00 ms on a formula simplification. DAG size of input: 391 DAG size of output: 315 [2020-07-19 20:56:06,235 WARN L193 SmtUtils]: Spent 693.00 ms on a formula simplification. DAG size of input: 401 DAG size of output: 317 [2020-07-19 20:56:08,205 WARN L193 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 304 DAG size of output: 271 [2020-07-19 20:56:09,585 WARN L193 SmtUtils]: Spent 343.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 16 [2020-07-19 20:56:10,115 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 15 [2020-07-19 20:56:10,614 WARN L193 SmtUtils]: Spent 495.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-07-19 20:56:10,788 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-19 20:56:10,964 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-19 20:56:11,135 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 20:56:11,311 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 184 DAG size of output: 1 [2020-07-19 20:56:11,880 WARN L193 SmtUtils]: Spent 562.00 ms on a formula simplification. DAG size of input: 173 DAG size of output: 19 [2020-07-19 20:56:12,426 WARN L193 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 22 [2020-07-19 20:56:13,870 WARN L193 SmtUtils]: Spent 1.44 s on a formula simplification. DAG size of input: 250 DAG size of output: 30 [2020-07-19 20:56:15,392 WARN L193 SmtUtils]: Spent 1.52 s on a formula simplification. DAG size of input: 250 DAG size of output: 30 [2020-07-19 20:56:16,031 WARN L193 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 181 DAG size of output: 22 [2020-07-19 20:56:16,226 WARN L193 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 26 [2020-07-19 20:56:16,646 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 184 [2020-07-19 20:56:16,841 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 26 [2020-07-19 20:56:17,232 WARN L193 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 18 [2020-07-19 20:56:18,179 WARN L193 SmtUtils]: Spent 939.00 ms on a formula simplification. DAG size of input: 199 DAG size of output: 25 [2020-07-19 20:56:18,360 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 1 [2020-07-19 20:56:19,076 WARN L193 SmtUtils]: Spent 709.00 ms on a formula simplification. DAG size of input: 188 DAG size of output: 18 [2020-07-19 20:56:20,176 WARN L193 SmtUtils]: Spent 1.09 s on a formula simplification. DAG size of input: 215 DAG size of output: 32 [2020-07-19 20:56:20,710 WARN L193 SmtUtils]: Spent 521.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 21 [2020-07-19 20:56:20,885 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 20:56:21,622 WARN L193 SmtUtils]: Spent 730.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 19 [2020-07-19 20:56:23,204 WARN L193 SmtUtils]: Spent 1.58 s on a formula simplification. DAG size of input: 250 DAG size of output: 30 [2020-07-19 20:56:23,755 WARN L193 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 186 DAG size of output: 18 [2020-07-19 20:56:24,896 WARN L193 SmtUtils]: Spent 1.13 s on a formula simplification. DAG size of input: 184 DAG size of output: 22 [2020-07-19 20:56:25,378 WARN L193 SmtUtils]: Spent 478.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 15 [2020-07-19 20:56:26,268 WARN L193 SmtUtils]: Spent 886.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 17 [2020-07-19 20:56:26,441 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 1 [2020-07-19 20:56:26,608 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 20:56:26,785 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 20:56:27,706 WARN L193 SmtUtils]: Spent 916.00 ms on a formula simplification. DAG size of input: 170 DAG size of output: 29 [2020-07-19 20:56:29,307 WARN L193 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 252 DAG size of output: 31 [2020-07-19 20:56:29,475 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 176 DAG size of output: 1 [2020-07-19 20:56:30,036 WARN L193 SmtUtils]: Spent 556.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 23 [2020-07-19 20:56:30,208 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 20:56:31,388 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 196 DAG size of output: 24 [2020-07-19 20:56:31,761 WARN L193 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 18 [2020-07-19 20:56:31,956 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 208 DAG size of output: 1 [2020-07-19 20:56:32,151 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-19 20:56:33,269 WARN L193 SmtUtils]: Spent 1.11 s on a formula simplification. DAG size of input: 182 DAG size of output: 19 [2020-07-19 20:56:34,447 WARN L193 SmtUtils]: Spent 1.17 s on a formula simplification. DAG size of input: 212 DAG size of output: 31 [2020-07-19 20:56:34,887 WARN L193 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 21 [2020-07-19 20:56:35,069 WARN L193 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 20:56:35,525 WARN L193 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 15 [2020-07-19 20:56:35,697 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 24 [2020-07-19 20:56:35,882 WARN L193 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 200 DAG size of output: 1 [2020-07-19 20:56:36,731 WARN L193 SmtUtils]: Spent 844.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 26 [2020-07-19 20:56:37,003 WARN L193 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 182 DAG size of output: 12 [2020-07-19 20:56:37,009 INFO L268 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2020-07-19 20:56:37,009 INFO L268 CegarLoopResult]: For program point L576-2(lines 576 597) no Hoare annotation was computed. [2020-07-19 20:56:37,010 INFO L268 CegarLoopResult]: For program point L598(lines 575 599) no Hoare annotation was computed. [2020-07-19 20:56:37,010 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 551 606) no Hoare annotation was computed. [2020-07-19 20:56:37,010 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 551 606) no Hoare annotation was computed. [2020-07-19 20:56:37,010 INFO L268 CegarLoopResult]: For program point L582(lines 582 586) no Hoare annotation was computed. [2020-07-19 20:56:37,010 INFO L268 CegarLoopResult]: For program point L582-1(lines 582 586) no Hoare annotation was computed. [2020-07-19 20:56:37,010 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 551 606) no Hoare annotation was computed. [2020-07-19 20:56:37,010 INFO L268 CegarLoopResult]: For program point L639(lines 639 643) no Hoare annotation was computed. [2020-07-19 20:56:37,010 INFO L268 CegarLoopResult]: For program point L639-1(lines 639 643) no Hoare annotation was computed. [2020-07-19 20:56:37,010 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-07-19 20:56:37,010 INFO L268 CegarLoopResult]: For program point L633-2(lines 633 658) no Hoare annotation was computed. [2020-07-19 20:56:37,011 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 607 666) no Hoare annotation was computed. [2020-07-19 20:56:37,011 INFO L268 CegarLoopResult]: For program point L659(lines 632 660) no Hoare annotation was computed. [2020-07-19 20:56:37,011 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 607 666) no Hoare annotation was computed. [2020-07-19 20:56:37,011 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-07-19 20:56:37,011 INFO L268 CegarLoopResult]: For program point L652-1(line 652) no Hoare annotation was computed. [2020-07-19 20:56:37,011 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 607 666) no Hoare annotation was computed. [2020-07-19 20:56:37,011 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 99 105) the Hoare annotation is: true [2020-07-19 20:56:37,011 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-19 20:56:37,011 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 106 114) no Hoare annotation was computed. [2020-07-19 20:56:37,012 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 106 114) the Hoare annotation is: true [2020-07-19 20:56:37,012 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 106 114) no Hoare annotation was computed. [2020-07-19 20:56:37,012 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 937 959) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 20:56:37,012 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 937 959) no Hoare annotation was computed. [2020-07-19 20:56:37,012 INFO L264 CegarLoopResult]: At program point L949(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 20:56:37,012 INFO L264 CegarLoopResult]: At program point L949-1(line 949) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= main_~tmp~9 ~systemActive~0)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 20:56:37,013 INFO L268 CegarLoopResult]: For program point L947(lines 947 954) no Hoare annotation was computed. [2020-07-19 20:56:37,013 INFO L268 CegarLoopResult]: For program point L947-1(lines 947 954) no Hoare annotation was computed. [2020-07-19 20:56:37,013 INFO L268 CegarLoopResult]: For program point L945(line 945) no Hoare annotation was computed. [2020-07-19 20:56:37,014 INFO L264 CegarLoopResult]: At program point L944(line 944) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 20:56:37,014 INFO L264 CegarLoopResult]: At program point L943(line 943) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 20:56:37,014 INFO L264 CegarLoopResult]: At program point L943-1(line 943) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 937 959) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 896 919) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 896 919) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 896 919) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point L914(line 914) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point L913(line 913) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point L912(line 912) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point L911(line 911) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point L910(line 910) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point L909(line 909) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point L908(line 908) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point L907(line 907) no Hoare annotation was computed. [2020-07-19 20:56:37,015 INFO L268 CegarLoopResult]: For program point L906(line 906) no Hoare annotation was computed. [2020-07-19 20:56:37,016 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-07-19 20:56:37,016 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-07-19 20:56:37,016 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-07-19 20:56:37,016 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-07-19 20:56:37,016 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-07-19 20:56:37,016 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse2 .cse0) (or .cse2 .cse0 .cse1))) [2020-07-19 20:56:37,016 INFO L268 CegarLoopResult]: For program point L275-1(lines 256 280) no Hoare annotation was computed. [2020-07-19 20:56:37,016 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 256 280) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (= 0 ~pumpRunning~0)))) [2020-07-19 20:56:37,016 INFO L264 CegarLoopResult]: At program point L270(line 270) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= 0 processEnvironment__wrappee__methaneQuery_~tmp~1)) (.cse2 (= 0 ~pumpRunning~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse0 (and .cse1 .cse2)) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse2)))) [2020-07-19 20:56:37,016 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 256 280) no Hoare annotation was computed. [2020-07-19 20:56:37,017 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse0 (= 0 ~pumpRunning~0)) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or (and (<= 2 ~waterLevel~0) .cse0) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or (not (= 1 ~waterLevel~0)) .cse1 .cse2) (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 .cse2) (or .cse1 .cse2 (not (<= ~waterLevel~0 0))))) [2020-07-19 20:56:37,017 INFO L268 CegarLoopResult]: For program point L264(lines 264 272) no Hoare annotation was computed. [2020-07-19 20:56:37,017 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0)) (.cse0 (= 0 ~pumpRunning~0))) (and (or (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0) .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1 .cse0))) [2020-07-19 20:56:37,017 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-07-19 20:56:37,017 INFO L268 CegarLoopResult]: For program point L260(lines 260 277) no Hoare annotation was computed. [2020-07-19 20:56:37,017 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 415 429) no Hoare annotation was computed. [2020-07-19 20:56:37,017 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 415 429) the Hoare annotation is: (let ((.cse6 (= |old(~systemActive~0)| ~systemActive~0))) (let ((.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (and .cse6 (= 0 ~pumpRunning~0))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (and .cse6 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse5 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse1 .cse3 .cse2) (or .cse4 .cse3 .cse5) (or .cse0 .cse4 .cse5)))) [2020-07-19 20:56:37,017 INFO L264 CegarLoopResult]: At program point L421(line 421) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (.cse4 (= 0 |old(~systemActive~0)|))) (and (or .cse0 .cse1) (or .cse2 .cse0) (or .cse3 .cse1 .cse4) (or .cse2 .cse3 .cse4))) [2020-07-19 20:56:37,017 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 415 429) no Hoare annotation was computed. [2020-07-19 20:56:37,017 INFO L268 CegarLoopResult]: For program point L419(lines 419 425) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 351 359) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 351 359) the Hoare annotation is: true [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 351 359) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point L379(lines 379 387) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point L379-2(lines 379 387) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point L367(lines 367 375) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 360 395) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point L367-2(lines 367 375) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 360 395) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point L390(line 390) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point L390-1(line 390) no Hoare annotation was computed. [2020-07-19 20:56:37,018 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 360 395) no Hoare annotation was computed. [2020-07-19 20:56:37,019 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 92 98) no Hoare annotation was computed. [2020-07-19 20:56:37,019 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 92 98) the Hoare annotation is: true [2020-07-19 20:56:37,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 505 550) no Hoare annotation was computed. [2020-07-19 20:56:37,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 505 550) no Hoare annotation was computed. [2020-07-19 20:56:37,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 505 550) no Hoare annotation was computed. [2020-07-19 20:56:37,019 INFO L268 CegarLoopResult]: For program point L832(lines 832 852) no Hoare annotation was computed. [2020-07-19 20:56:37,019 INFO L268 CegarLoopResult]: For program point L832-1(lines 832 852) no Hoare annotation was computed. [2020-07-19 20:56:37,019 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 818 863) no Hoare annotation was computed. [2020-07-19 20:56:37,019 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 818 863) no Hoare annotation was computed. [2020-07-19 20:56:37,019 INFO L268 CegarLoopResult]: For program point L838(lines 838 845) no Hoare annotation was computed. [2020-07-19 20:56:37,019 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 818 863) no Hoare annotation was computed. [2020-07-19 20:56:37,020 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 927 936) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 20:56:37,020 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 927 936) no Hoare annotation was computed. [2020-07-19 20:56:37,020 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 927 936) no Hoare annotation was computed. [2020-07-19 20:56:37,020 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 340 350) the Hoare annotation is: true [2020-07-19 20:56:37,020 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 340 350) no Hoare annotation was computed. [2020-07-19 20:56:37,020 INFO L271 CegarLoopResult]: At program point L345(line 345) the Hoare annotation is: true [2020-07-19 20:56:37,020 INFO L268 CegarLoopResult]: For program point L345-1(line 345) no Hoare annotation was computed. [2020-07-19 20:56:37,020 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 340 350) no Hoare annotation was computed. [2020-07-19 20:56:37,020 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 332 339) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:56:37,020 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 332 339) no Hoare annotation was computed. [2020-07-19 20:56:37,020 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 332 339) no Hoare annotation was computed. [2020-07-19 20:56:37,021 INFO L268 CegarLoopResult]: For program point L205(lines 205 211) no Hoare annotation was computed. [2020-07-19 20:56:37,021 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 201 214) no Hoare annotation was computed. [2020-07-19 20:56:37,021 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 201 214) the Hoare annotation is: true [2020-07-19 20:56:37,021 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 201 214) no Hoare annotation was computed. [2020-07-19 20:56:37,021 INFO L264 CegarLoopResult]: At program point L288(line 288) the Hoare annotation is: (let ((.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1) (or .cse3 .cse0 .cse1) (or .cse4 .cse1 .cse2))) [2020-07-19 20:56:37,021 INFO L268 CegarLoopResult]: For program point L288-1(line 288) no Hoare annotation was computed. [2020-07-19 20:56:37,021 INFO L268 CegarLoopResult]: For program point L286(lines 286 303) no Hoare annotation was computed. [2020-07-19 20:56:37,021 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 282 306) no Hoare annotation was computed. [2020-07-19 20:56:37,021 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 282 306) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1))) [2020-07-19 20:56:37,021 INFO L264 CegarLoopResult]: At program point L301(line 301) the Hoare annotation is: (let ((.cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0))) (.cse1 (= 0 ~systemActive~0))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-19 20:56:37,022 INFO L268 CegarLoopResult]: For program point L301-1(lines 282 306) no Hoare annotation was computed. [2020-07-19 20:56:37,022 INFO L264 CegarLoopResult]: At program point L296(line 296) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse0) (or (not (= 0 |old(~pumpRunning~0)|)) .cse0 .cse1))) [2020-07-19 20:56:37,022 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (let ((.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse1 (and .cse0 (<= ~methaneLevelCritical~0 processEnvironment_~tmp~2))) (or .cse3 .cse4 .cse1) (or .cse4 .cse1 .cse2))) [2020-07-19 20:56:37,022 INFO L268 CegarLoopResult]: For program point L290(lines 290 298) no Hoare annotation was computed. [2020-07-19 20:56:37,022 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 248 254) no Hoare annotation was computed. [2020-07-19 20:56:37,022 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 248 254) the Hoare annotation is: true [2020-07-19 20:56:37,022 INFO L264 CegarLoopResult]: At program point testENTRY(lines 432 497) the Hoare annotation is: (or (and (= |old(~systemActive~0)| ~systemActive~0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 20:56:37,023 INFO L268 CegarLoopResult]: For program point L444(lines 444 448) no Hoare annotation was computed. [2020-07-19 20:56:37,023 INFO L268 CegarLoopResult]: For program point testFINAL(lines 432 497) no Hoare annotation was computed. [2020-07-19 20:56:37,023 INFO L264 CegarLoopResult]: At program point L490(lines 441 491) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (not (= 1 |old(~waterLevel~0)|))) [2020-07-19 20:56:37,023 INFO L264 CegarLoopResult]: At program point L480(line 480) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (and .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse3))) [2020-07-19 20:56:37,023 INFO L268 CegarLoopResult]: For program point L478(lines 478 484) no Hoare annotation was computed. [2020-07-19 20:56:37,023 INFO L264 CegarLoopResult]: At program point L478-1(lines 472 485) the Hoare annotation is: (let ((.cse1 (not (= 0 ~systemActive~0))) (.cse2 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 test_~splverifierCounter~0)) (.cse3 (= 0 ~pumpRunning~0))) (or (and .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) .cse1) (and .cse0 .cse2 .cse3) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse3))) [2020-07-19 20:56:37,023 INFO L268 CegarLoopResult]: For program point L443(lines 442 489) no Hoare annotation was computed. [2020-07-19 20:56:37,023 INFO L268 CegarLoopResult]: For program point L472(lines 472 485) no Hoare annotation was computed. [2020-07-19 20:56:37,024 INFO L264 CegarLoopResult]: At program point L464(line 464) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-19 20:56:37,024 INFO L268 CegarLoopResult]: For program point L462(lines 462 468) no Hoare annotation was computed. [2020-07-19 20:56:37,024 INFO L268 CegarLoopResult]: For program point L462-1(lines 462 468) no Hoare annotation was computed. [2020-07-19 20:56:37,024 INFO L264 CegarLoopResult]: At program point L487(lines 442 489) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-19 20:56:37,024 INFO L264 CegarLoopResult]: At program point L454(line 454) the Hoare annotation is: (let ((.cse0 (= 0 test_~splverifierCounter~0)) (.cse1 (= 0 ~pumpRunning~0))) (or (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (= 1 |old(~systemActive~0)|)) (and .cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (not (= 0 ~systemActive~0))) (and .cse0 (<= 1 ~methaneLevelCritical~0) .cse1) (not (= 1 |old(~waterLevel~0)|)) (and .cse0 (= 0 ~methaneLevelCritical~0) .cse1))) [2020-07-19 20:56:37,024 INFO L268 CegarLoopResult]: For program point L452(lines 452 458) no Hoare annotation was computed. [2020-07-19 20:56:37,024 INFO L268 CegarLoopResult]: For program point L452-1(lines 452 458) no Hoare annotation was computed. [2020-07-19 20:56:37,024 INFO L268 CegarLoopResult]: For program point testEXIT(lines 432 497) no Hoare annotation was computed. [2020-07-19 20:56:37,025 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 772 817) no Hoare annotation was computed. [2020-07-19 20:56:37,025 INFO L268 CegarLoopResult]: For program point L792(lines 792 799) no Hoare annotation was computed. [2020-07-19 20:56:37,025 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 772 817) no Hoare annotation was computed. [2020-07-19 20:56:37,025 INFO L268 CegarLoopResult]: For program point L786(lines 786 806) no Hoare annotation was computed. [2020-07-19 20:56:37,025 INFO L268 CegarLoopResult]: For program point L786-1(lines 786 806) no Hoare annotation was computed. [2020-07-19 20:56:37,025 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 772 817) no Hoare annotation was computed. [2020-07-19 20:56:37,025 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 307 314) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~systemActive~0) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-19 20:56:37,025 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 307 314) no Hoare annotation was computed. [2020-07-19 20:56:37,025 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 307 314) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point L177(lines 177 185) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point L177-2(lines 177 185) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 169 191) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 169 191) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 169 191) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 82 91) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 82 91) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 82 91) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 669 771) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point L698(lines 698 714) no Hoare annotation was computed. [2020-07-19 20:56:37,026 INFO L268 CegarLoopResult]: For program point L758(lines 758 765) no Hoare annotation was computed. [2020-07-19 20:56:37,027 INFO L268 CegarLoopResult]: For program point L719(lines 718 738) no Hoare annotation was computed. [2020-07-19 20:56:37,027 INFO L268 CegarLoopResult]: For program point L750(line 750) no Hoare annotation was computed. [2020-07-19 20:56:37,027 INFO L268 CegarLoopResult]: For program point L750-1(line 750) no Hoare annotation was computed. [2020-07-19 20:56:37,027 INFO L268 CegarLoopResult]: For program point L715(lines 715 756) no Hoare annotation was computed. [2020-07-19 20:56:37,027 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 669 771) no Hoare annotation was computed. [2020-07-19 20:56:37,027 INFO L268 CegarLoopResult]: For program point L734(line 734) no Hoare annotation was computed. [2020-07-19 20:56:37,027 INFO L268 CegarLoopResult]: For program point L734-1(line 734) no Hoare annotation was computed. [2020-07-19 20:56:37,027 INFO L268 CegarLoopResult]: For program point L693(lines 693 697) no Hoare annotation was computed. [2020-07-19 20:56:37,027 INFO L268 CegarLoopResult]: For program point L757(lines 757 768) no Hoare annotation was computed. [2020-07-19 20:56:37,028 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 669 771) no Hoare annotation was computed. [2020-07-19 20:56:37,028 INFO L268 CegarLoopResult]: For program point L720(lines 720 724) no Hoare annotation was computed. [2020-07-19 20:56:37,028 INFO L268 CegarLoopResult]: For program point L718-2(lines 718 738) no Hoare annotation was computed. [2020-07-19 20:56:37,028 INFO L268 CegarLoopResult]: For program point L739(lines 717 740) no Hoare annotation was computed. [2020-07-19 20:56:37,028 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:56:37,028 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string59.offset| |old(#t~string59.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0) (= |old(#t~string65.base)| |#t~string65.base|) (= |old(~head~0.base)| ~head~0.base) (= |old(#t~string61.base)| |#t~string61.base|) (= |old(#t~string70.offset)| |#t~string70.offset|) (= |old(#t~string22.offset)| |#t~string22.offset|) (= |old(#t~string24.offset)| |#t~string24.offset|) (= |old(#t~string66.offset)| |#t~string66.offset|) (= |old(#t~string68.offset)| |#t~string68.offset|) (= |#t~string6.base| |old(#t~string6.base)|) (= |old(#t~string18.offset)| |#t~string18.offset|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |old(#t~string60.base)| |#t~string60.base|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |old(~systemActive~0)| ~systemActive~0) (= |old(#t~string69.offset)| |#t~string69.offset|) (= |old(#t~string32.offset)| |#t~string32.offset|) (= |old(#t~string20.offset)| |#t~string20.offset|) (= |#t~string8.base| |old(#t~string8.base)|) (= |old(#t~string20.base)| |#t~string20.base|) (= |#t~string67.offset| |old(#t~string67.offset)|) (= |old(#t~string61.offset)| |#t~string61.offset|) (= |old(#t~string32.base)| |#t~string32.base|) (= |#t~string12.base| |old(#t~string12.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |old(#t~string28.base)| |#t~string28.base|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string60.offset| |old(#t~string60.offset)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#NULL.base)| |#NULL.base|) (= |old(#t~string57.base)| |#t~string57.base|) (= |#t~string56.base| |old(#t~string56.base)|) (= |old(#t~string26.offset)| |#t~string26.offset|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#NULL.offset| |old(#NULL.offset)|) (= |old(~waterLevel~0)| ~waterLevel~0) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |old(#t~string8.offset)| |#t~string8.offset|) (= |old(#length)| |#length|) (= |old(#t~string24.base)| |#t~string24.base|) (= |old(#t~string58.offset)| |#t~string58.offset|) (= |old(#t~string66.base)| |#t~string66.base|) (= |#t~string10.base| |old(#t~string10.base)|) (= |old(#t~string70.base)| |#t~string70.base|) (= |old(#t~string6.offset)| |#t~string6.offset|) (= |#t~string67.base| |old(#t~string67.base)|) (= |old(#t~string4.offset)| |#t~string4.offset|) (= |#t~string26.base| |old(#t~string26.base)|) (= |#valid| |old(#valid)|) (= |#t~string68.base| |old(#t~string68.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |old(#t~string12.offset)| |#t~string12.offset|) (= |#t~string69.base| |old(#t~string69.base)|)) [2020-07-19 20:56:37,028 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:56:37,029 INFO L264 CegarLoopResult]: At program point L320(line 320) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-19 20:56:37,029 INFO L268 CegarLoopResult]: For program point L320-1(line 320) no Hoare annotation was computed. [2020-07-19 20:56:37,029 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 315 331) no Hoare annotation was computed. [2020-07-19 20:56:37,029 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 315 331) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (= 0 ~pumpRunning~0)) (.cse3 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2 .cse3))) [2020-07-19 20:56:37,029 INFO L264 CegarLoopResult]: At program point L326(line 326) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (= 0 ~systemActive~0)) (.cse2 (not (<= 2 ~waterLevel~0)))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0) .cse2))) [2020-07-19 20:56:37,029 INFO L268 CegarLoopResult]: For program point L326-1(lines 315 331) no Hoare annotation was computed. [2020-07-19 20:56:37,029 INFO L268 CegarLoopResult]: For program point L322(lines 322 328) no Hoare annotation was computed. [2020-07-19 20:56:37,030 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 192 200) no Hoare annotation was computed. [2020-07-19 20:56:37,030 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 192 200) no Hoare annotation was computed. [2020-07-19 20:56:37,030 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 192 200) no Hoare annotation was computed. [2020-07-19 20:56:37,030 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 396 414) no Hoare annotation was computed. [2020-07-19 20:56:37,030 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 396 414) the Hoare annotation is: true [2020-07-19 20:56:37,030 INFO L268 CegarLoopResult]: For program point L405(lines 405 409) no Hoare annotation was computed. [2020-07-19 20:56:37,030 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 396 414) no Hoare annotation was computed. [2020-07-19 20:56:37,030 INFO L271 CegarLoopResult]: At program point L403(line 403) the Hoare annotation is: true [2020-07-19 20:56:37,030 INFO L268 CegarLoopResult]: For program point L405-2(lines 405 409) no Hoare annotation was computed. [2020-07-19 20:56:37,031 INFO L268 CegarLoopResult]: For program point L403-1(line 403) no Hoare annotation was computed. [2020-07-19 20:56:37,031 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 148 159) the Hoare annotation is: (let ((.cse0 (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (.cse2 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse1 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~systemActive~0) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-19 20:56:37,031 INFO L268 CegarLoopResult]: For program point L152-1(lines 148 159) no Hoare annotation was computed. [2020-07-19 20:56:37,031 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 148 159) no Hoare annotation was computed. [2020-07-19 20:56:37,031 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:56:37,031 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-19 20:56:37,031 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:56:37,031 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 160 168) the Hoare annotation is: true [2020-07-19 20:56:37,032 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 160 168) no Hoare annotation was computed. [2020-07-19 20:56:37,032 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 160 168) no Hoare annotation was computed. [2020-07-19 20:56:37,032 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 224 247) the Hoare annotation is: (let ((.cse6 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (and (= 0 ~pumpRunning~0) .cse6)) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= 0 ~systemActive~0)) (.cse5 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse6)) (.cse3 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse2 .cse3) (or .cse1 .cse4 .cse5) (or .cse4 .cse5 .cse3)))) [2020-07-19 20:56:37,032 INFO L264 CegarLoopResult]: At program point L237(line 237) the Hoare annotation is: (let ((.cse1 (= 0 ~systemActive~0))) (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (and (not .cse1) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse2) (or .cse5 .cse3 .cse4) (or .cse5 .cse0 .cse1)))) [2020-07-19 20:56:37,032 INFO L264 CegarLoopResult]: At program point L235(lines 235 241) the Hoare annotation is: (let ((.cse2 (= 0 ~pumpRunning~0)) (.cse7 (= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse0 (not (<= 1 ~methaneLevelCritical~0))) (.cse3 (and .cse2 .cse7)) (.cse5 (<= 2 ~waterLevel~0)) (.cse1 (= 0 ~systemActive~0)) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse4) (or .cse5 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1 .cse6 .cse2) (or .cse3 .cse4 .cse6 (and .cse5 (not .cse1) (<= |old(~waterLevel~0)| ~waterLevel~0))) (or .cse4 .cse6 .cse7 (not (= 1 |old(~waterLevel~0)|)))))) [2020-07-19 20:56:37,032 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 224 247) no Hoare annotation was computed. [2020-07-19 20:56:37,033 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 224 247) no Hoare annotation was computed. [2020-07-19 20:56:37,033 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (let ((.cse2 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~systemActive~0)) (.cse4 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~waterLevel~0)| ~waterLevel~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1) (or .cse2 .cse3 .cse4) (or .cse2 .cse0) (or .cse3 .cse4 .cse1))) [2020-07-19 20:56:37,033 INFO L268 CegarLoopResult]: For program point L228(lines 227 246) no Hoare annotation was computed. [2020-07-19 20:56:37,033 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 866 895) no Hoare annotation was computed. [2020-07-19 20:56:37,033 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 866 895) the Hoare annotation is: true [2020-07-19 20:56:37,033 INFO L271 CegarLoopResult]: At program point L891(lines 866 895) the Hoare annotation is: true [2020-07-19 20:56:37,033 INFO L268 CegarLoopResult]: For program point L887(line 887) no Hoare annotation was computed. [2020-07-19 20:56:37,033 INFO L268 CegarLoopResult]: For program point L880(lines 880 884) no Hoare annotation was computed. [2020-07-19 20:56:37,034 INFO L271 CegarLoopResult]: At program point L880-1(lines 880 884) the Hoare annotation is: true [2020-07-19 20:56:37,034 INFO L268 CegarLoopResult]: For program point L877(line 877) no Hoare annotation was computed. [2020-07-19 20:56:37,034 INFO L271 CegarLoopResult]: At program point L876-2(lines 876 890) the Hoare annotation is: true [2020-07-19 20:56:37,034 INFO L271 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: true [2020-07-19 20:56:37,034 INFO L268 CegarLoopResult]: For program point L872-1(line 872) no Hoare annotation was computed. [2020-07-19 20:56:37,034 INFO L268 CegarLoopResult]: For program point L128-1(lines 124 135) no Hoare annotation was computed. [2020-07-19 20:56:37,034 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 124 135) the Hoare annotation is: (let ((.cse0 (= 0 ~systemActive~0)) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0))) (and (or (not (<= 1 ~methaneLevelCritical~0)) .cse0 .cse1) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1))) [2020-07-19 20:56:37,034 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 124 135) no Hoare annotation was computed. [2020-07-19 20:56:37,035 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 920 926) no Hoare annotation was computed. [2020-07-19 20:56:37,035 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 920 926) the Hoare annotation is: true [2020-07-19 20:56:37,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-19 20:56:37,035 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0) (= 1 ~waterLevel~0) (= 1 ~systemActive~0)) [2020-07-19 20:56:37,035 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-19 20:56:37,035 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-19 20:56:37,035 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 136 147) no Hoare annotation was computed. [2020-07-19 20:56:37,035 INFO L268 CegarLoopResult]: For program point L140-1(lines 136 147) no Hoare annotation was computed. [2020-07-19 20:56:37,036 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 136 147) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (= |old(~waterLevel~0)| ~waterLevel~0)) (.cse2 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or (= 0 ~systemActive~0) .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-19 20:56:37,036 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 69 76) no Hoare annotation was computed. [2020-07-19 20:56:37,036 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 73) no Hoare annotation was computed. [2020-07-19 20:56:37,036 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 69 76) the Hoare annotation is: true [2020-07-19 20:56:37,036 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 69 76) no Hoare annotation was computed. [2020-07-19 20:56:37,036 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-07-19 20:56:37,036 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (let ((.cse1 (not (= 0 ~pumpRunning~0))) (.cse0 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1) (or (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or (= 0 ~systemActive~0) .cse0))) [2020-07-19 20:56:37,036 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-07-19 20:56:37,037 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-07-19 20:56:37,037 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (= 0 ~pumpRunning~0))) (or (= 0 ~systemActive~0) .cse0))) [2020-07-19 20:56:37,037 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-07-19 20:56:37,037 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-07-19 20:56:37,037 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-07-19 20:56:37,037 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-07-19 20:56:37,037 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-07-19 20:56:37,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.07 08:56:37 BoogieIcfgContainer [2020-07-19 20:56:37,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-19 20:56:37,058 INFO L168 Benchmark]: Toolchain (without parser) took 77854.19 ms. Allocated memory was 138.9 MB in the beginning and 1.4 GB in the end (delta: 1.3 GB). Free memory was 103.1 MB in the beginning and 1.2 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-19 20:56:37,058 INFO L168 Benchmark]: CDTParser took 1.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. [2020-07-19 20:56:37,059 INFO L168 Benchmark]: CACSL2BoogieTranslator took 628.99 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.6 MB in the beginning and 173.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. [2020-07-19 20:56:37,060 INFO L168 Benchmark]: Boogie Preprocessor took 104.24 ms. Allocated memory is still 203.9 MB. Free memory was 173.6 MB in the beginning and 168.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-19 20:56:37,060 INFO L168 Benchmark]: RCFGBuilder took 1195.68 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.9 MB in the beginning and 197.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. [2020-07-19 20:56:37,061 INFO L168 Benchmark]: TraceAbstraction took 75917.94 ms. Allocated memory was 236.5 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 195.8 MB in the beginning and 1.2 GB in the end (delta: -983.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. [2020-07-19 20:56:37,064 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.21 ms. Allocated memory is still 138.9 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.7 kB). Peak memory consumption was 209.7 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 628.99 ms. Allocated memory was 138.9 MB in the beginning and 203.9 MB in the end (delta: 65.0 MB). Free memory was 102.6 MB in the beginning and 173.6 MB in the end (delta: -71.0 MB). Peak memory consumption was 29.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 104.24 ms. Allocated memory is still 203.9 MB. Free memory was 173.6 MB in the beginning and 168.9 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1195.68 ms. Allocated memory was 203.9 MB in the beginning and 236.5 MB in the end (delta: 32.5 MB). Free memory was 168.9 MB in the beginning and 197.2 MB in the end (delta: -28.4 MB). Peak memory consumption was 83.3 MB. Max. memory is 7.1 GB. * TraceAbstraction took 75917.94 ms. Allocated memory was 236.5 MB in the beginning and 1.4 GB in the end (delta: 1.2 GB). Free memory was 195.8 MB in the beginning and 1.2 GB in the end (delta: -983.2 MB). Peak memory consumption was 1.4 GB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 73]: 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: 442]: Loop Invariant Derived loop invariant: (((((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || ((0 == splverifierCounter && \old(methaneLevelCritical) == methaneLevelCritical) && !(0 == systemActive))) || ((0 == splverifierCounter && 1 <= methaneLevelCritical) && 0 == pumpRunning)) || !(1 == \old(waterLevel))) || ((0 == splverifierCounter && 0 == methaneLevelCritical) && 0 == pumpRunning) - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 876]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 441]: Loop Invariant Derived loop invariant: ((!(0 == \old(pumpRunning)) || !(\old(methaneLevelCritical) == 0)) || !(1 == \old(systemActive))) || !(1 == \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 238 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 37.2s, OverallIterations: 11, TraceHistogramMax: 4, AutomataDifference: 27.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 38.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1697 SDtfs, 2135 SDslu, 2244 SDs, 0 SdLazy, 6474 SolverSat, 1275 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 14.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 865 GetRequests, 718 SyntacticMatches, 7 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 303 ImplicationChecksByTransitivity, 11.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1821occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 11 MinimizatonAttempts, 1682 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 63 LocationsWithAnnotation, 4071 PreInvPairs, 4329 NumberOfFragments, 1783 HoareAnnotationTreeSize, 4071 FomulaSimplifications, 15822970 FormulaSimplificationTreeSizeReduction, 10.7s HoareSimplificationTime, 63 FomulaSimplificationsInter, 1475385 FormulaSimplificationTreeSizeReductionInter, 27.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 5.5s InterpolantComputationTime, 1372 NumberOfCodeBlocks, 1372 NumberOfCodeBlocksAsserted, 14 NumberOfCheckSat, 1358 ConstructedInterpolants, 0 QuantifiedInterpolants, 434317 SizeOfPredicates, 8 NumberOfNonLiveVariables, 2558 ConjunctsInSsa, 24 ConjunctsInUnsatCore, 14 InterpolantComputations, 11 PerfectInterpolantSequences, 197/207 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...