/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:41:19,939 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:41:19,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:41:19,961 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:41:19,961 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:41:19,963 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:41:19,965 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:41:19,978 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:41:19,980 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:41:19,981 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:41:19,982 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:41:19,983 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:41:19,984 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:41:19,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:41:19,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:41:19,991 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:41:19,993 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:41:19,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:41:19,996 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:41:20,001 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:41:20,002 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:41:20,003 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:41:20,004 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:41:20,005 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:41:20,007 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:41:20,007 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:41:20,008 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:41:20,008 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:41:20,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:41:20,010 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:41:20,010 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:41:20,011 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:41:20,011 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:41:20,012 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:41:20,013 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:41:20,013 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:41:20,014 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:41:20,014 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:41:20,014 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:41:20,015 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:41:20,016 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:41:20,017 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 [2020-07-20 10:41:20,031 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:41:20,031 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:41:20,032 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:41:20,032 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:41:20,033 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:41:20,033 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:41:20,033 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:41:20,033 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:41:20,033 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:41:20,034 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:41:20,034 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:41:20,034 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:41:20,034 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:41:20,034 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:41:20,035 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:41:20,035 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:41:20,035 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:41:20,035 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:41:20,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:41:20,036 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:41:20,036 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:41:20,036 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:41:20,036 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:41:20,036 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:41:20,037 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:41:20,037 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:41:20,037 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:20,037 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:41:20,037 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:41:20,038 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:41:20,352 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:41:20,371 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:41:20,375 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:41:20,377 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:41:20,379 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:41:20,380 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-07-20 10:41:20,451 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c9622cd7/74f12139947e4ea3be0f1ab5bd0786ad/FLAG2827e1bd3 [2020-07-20 10:41:20,982 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:41:20,983 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-07-20 10:41:20,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c9622cd7/74f12139947e4ea3be0f1ab5bd0786ad/FLAG2827e1bd3 [2020-07-20 10:41:21,207 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8c9622cd7/74f12139947e4ea3be0f1ab5bd0786ad [2020-07-20 10:41:21,215 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:41:21,218 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:41:21,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:21,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:41:21,223 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:41:21,224 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:21" (1/1) ... [2020-07-20 10:41:21,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7ec4ef6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21, skipping insertion in model container [2020-07-20 10:41:21,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:41:21" (1/1) ... [2020-07-20 10:41:21,235 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:41:21,275 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:41:21,634 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:21,749 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:41:21,825 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:41:21,862 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:41:21,863 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21 WrapperNode [2020-07-20 10:41:21,863 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:41:21,864 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:41:21,864 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:41:21,864 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:41:21,879 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21" (1/1) ... [2020-07-20 10:41:21,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21" (1/1) ... [2020-07-20 10:41:21,900 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21" (1/1) ... [2020-07-20 10:41:21,900 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21" (1/1) ... [2020-07-20 10:41:21,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21" (1/1) ... [2020-07-20 10:41:21,954 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21" (1/1) ... [2020-07-20 10:41:21,965 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21" (1/1) ... [2020-07-20 10:41:21,975 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:41:21,980 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:41:21,981 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:41:21,981 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:41:21,982 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21" (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 [2020-07-20 10:41:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:41:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:41:22,048 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:41:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:41:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:41:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:41:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:41:22,049 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:41:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:41:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:41:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:41:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:41:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:41:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:41:22,050 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:41:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:41:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:41:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:41:22,051 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:41:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:41:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:41:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:41:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:41:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:41:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:41:22,052 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:41:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:41:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:41:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:41:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:41:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:41:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:22,053 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:41:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:41:22,054 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:41:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:41:22,054 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:41:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:41:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:41:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:41:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:41:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:41:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:41:22,055 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:41:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:41:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:41:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:41:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:41:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:41:22,056 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:41:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:41:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-20 10:41:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:41:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:41:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:41:22,057 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:41:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:41:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:41:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:41:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:41:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-20 10:41:22,058 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:41:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:41:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:41:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:41:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:41:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:41:22,059 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-20 10:41:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:41:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:41:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:41:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:41:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:41:22,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:41:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:41:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:41:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:41:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:41:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:41:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:41:22,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:41:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:41:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:41:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:41:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:41:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:41:22,062 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:41:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:41:22,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:41:23,112 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:41:23,112 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:41:23,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:23 BoogieIcfgContainer [2020-07-20 10:41:23,118 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:41:23,119 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:41:23,119 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:41:23,122 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:41:23,122 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:41:21" (1/3) ... [2020-07-20 10:41:23,123 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320cc74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:23, skipping insertion in model container [2020-07-20 10:41:23,123 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:41:21" (2/3) ... [2020-07-20 10:41:23,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@320cc74a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:41:23, skipping insertion in model container [2020-07-20 10:41:23,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:41:23" (3/3) ... [2020-07-20 10:41:23,126 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-07-20 10:41:23,137 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:41:23,146 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:41:23,160 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:41:23,186 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:41:23,186 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:41:23,186 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:41:23,186 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:41:23,187 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:41:23,187 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:41:23,187 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:41:23,187 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:41:23,211 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-20 10:41:23,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-20 10:41:23,222 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:23,223 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] [2020-07-20 10:41:23,223 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:23,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:23,230 INFO L82 PathProgramCache]: Analyzing trace with hash 652232891, now seen corresponding path program 1 times [2020-07-20 10:41:23,239 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:23,239 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [441163392] [2020-07-20 10:41:23,240 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:23,486 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:41:23,494 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:23,527 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:23,528 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:23,529 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [441163392] [2020-07-20 10:41:23,530 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:23,530 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:41:23,531 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773829178] [2020-07-20 10:41:23,537 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:41:23,537 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:23,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:41:23,552 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:23,555 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2020-07-20 10:41:23,603 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:23,603 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2020-07-20 10:41:23,603 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:41:23,605 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-20 10:41:23,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:23,621 INFO L225 Difference]: With dead ends: 264 [2020-07-20 10:41:23,621 INFO L226 Difference]: Without dead ends: 134 [2020-07-20 10:41:23,626 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:41:23,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-20 10:41:23,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-20 10:41:23,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-20 10:41:23,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-07-20 10:41:23,691 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-07-20 10:41:23,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:23,692 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-07-20 10:41:23,692 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:41:23,693 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-07-20 10:41:23,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-20 10:41:23,697 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:23,697 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:23,910 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:23,912 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:23,912 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:23,913 INFO L82 PathProgramCache]: Analyzing trace with hash -564528421, now seen corresponding path program 1 times [2020-07-20 10:41:23,913 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:23,914 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139732730] [2020-07-20 10:41:23,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:24,113 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:41:24,117 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:24,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:24,191 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:24,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139732730] [2020-07-20 10:41:24,192 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:24,192 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:24,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1244538608] [2020-07-20 10:41:24,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:24,194 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:24,195 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:24,195 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:24,195 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2020-07-20 10:41:24,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:24,219 INFO L93 Difference]: Finished difference Result 207 states and 245 transitions. [2020-07-20 10:41:24,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:24,220 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-20 10:41:24,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:24,223 INFO L225 Difference]: With dead ends: 207 [2020-07-20 10:41:24,223 INFO L226 Difference]: Without dead ends: 125 [2020-07-20 10:41:24,225 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:24,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-20 10:41:24,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-20 10:41:24,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-20 10:41:24,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-07-20 10:41:24,240 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-07-20 10:41:24,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:24,241 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-07-20 10:41:24,241 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:24,241 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-07-20 10:41:24,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-20 10:41:24,244 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:24,244 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] [2020-07-20 10:41:24,457 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:24,458 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:24,458 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:24,459 INFO L82 PathProgramCache]: Analyzing trace with hash -1211879035, now seen corresponding path program 1 times [2020-07-20 10:41:24,459 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:24,459 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [678743160] [2020-07-20 10:41:24,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:24,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:41:24,651 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:24,674 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:24,674 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:24,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [678743160] [2020-07-20 10:41:24,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:24,675 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:24,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1920435488] [2020-07-20 10:41:24,676 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:24,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:24,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:24,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:24,677 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 3 states. [2020-07-20 10:41:24,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:24,706 INFO L93 Difference]: Finished difference Result 317 states and 385 transitions. [2020-07-20 10:41:24,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:24,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-20 10:41:24,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:24,711 INFO L225 Difference]: With dead ends: 317 [2020-07-20 10:41:24,711 INFO L226 Difference]: Without dead ends: 220 [2020-07-20 10:41:24,712 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:24,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-07-20 10:41:24,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 216. [2020-07-20 10:41:24,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-20 10:41:24,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 261 transitions. [2020-07-20 10:41:24,740 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 261 transitions. Word has length 56 [2020-07-20 10:41:24,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:24,740 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 261 transitions. [2020-07-20 10:41:24,740 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:24,741 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 261 transitions. [2020-07-20 10:41:24,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-20 10:41:24,743 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:24,744 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:24,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:24,958 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:24,959 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:24,959 INFO L82 PathProgramCache]: Analyzing trace with hash -773448372, now seen corresponding path program 1 times [2020-07-20 10:41:24,959 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:24,960 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2133347370] [2020-07-20 10:41:24,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:25,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:25,162 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:41:25,166 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:25,183 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:25,183 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:25,184 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2133347370] [2020-07-20 10:41:25,184 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:25,184 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:25,185 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [823575073] [2020-07-20 10:41:25,185 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:25,185 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:25,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:25,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:25,186 INFO L87 Difference]: Start difference. First operand 216 states and 261 transitions. Second operand 3 states. [2020-07-20 10:41:25,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:25,273 INFO L93 Difference]: Finished difference Result 404 states and 502 transitions. [2020-07-20 10:41:25,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:25,274 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-07-20 10:41:25,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:25,279 INFO L225 Difference]: With dead ends: 404 [2020-07-20 10:41:25,279 INFO L226 Difference]: Without dead ends: 401 [2020-07-20 10:41:25,280 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:25,282 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-07-20 10:41:25,320 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2020-07-20 10:41:25,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-07-20 10:41:25,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 498 transitions. [2020-07-20 10:41:25,324 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 498 transitions. Word has length 62 [2020-07-20 10:41:25,325 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:25,325 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 498 transitions. [2020-07-20 10:41:25,325 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:25,325 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 498 transitions. [2020-07-20 10:41:25,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 10:41:25,330 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:25,330 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:25,544 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:25,544 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:25,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:25,545 INFO L82 PathProgramCache]: Analyzing trace with hash 2090962532, now seen corresponding path program 1 times [2020-07-20 10:41:25,545 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:25,545 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1709931940] [2020-07-20 10:41:25,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:25,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:25,742 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:41:25,751 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:25,808 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-20 10:41:25,809 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:25,809 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1709931940] [2020-07-20 10:41:25,809 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:25,809 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:41:25,810 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800408202] [2020-07-20 10:41:25,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:25,812 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:25,813 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:25,813 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:41:25,813 INFO L87 Difference]: Start difference. First operand 401 states and 498 transitions. Second operand 6 states. [2020-07-20 10:41:26,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:26,137 INFO L93 Difference]: Finished difference Result 938 states and 1226 transitions. [2020-07-20 10:41:26,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:41:26,138 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 10:41:26,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:26,143 INFO L225 Difference]: With dead ends: 938 [2020-07-20 10:41:26,143 INFO L226 Difference]: Without dead ends: 565 [2020-07-20 10:41:26,146 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:26,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-07-20 10:41:26,181 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 527. [2020-07-20 10:41:26,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-07-20 10:41:26,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 660 transitions. [2020-07-20 10:41:26,185 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 660 transitions. Word has length 92 [2020-07-20 10:41:26,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:26,186 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 660 transitions. [2020-07-20 10:41:26,186 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:26,186 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 660 transitions. [2020-07-20 10:41:26,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-20 10:41:26,190 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:26,190 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:26,404 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:26,405 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:26,405 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:26,406 INFO L82 PathProgramCache]: Analyzing trace with hash -222774057, now seen corresponding path program 1 times [2020-07-20 10:41:26,406 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:26,406 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2135203874] [2020-07-20 10:41:26,407 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:26,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:26,597 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:41:26,600 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:26,621 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 10:41:26,621 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:26,621 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2135203874] [2020-07-20 10:41:26,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:26,622 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:26,622 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448139391] [2020-07-20 10:41:26,623 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:26,623 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:26,623 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:26,624 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:26,624 INFO L87 Difference]: Start difference. First operand 527 states and 660 transitions. Second operand 3 states. [2020-07-20 10:41:26,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:26,688 INFO L93 Difference]: Finished difference Result 582 states and 730 transitions. [2020-07-20 10:41:26,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:26,689 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-07-20 10:41:26,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:26,691 INFO L225 Difference]: With dead ends: 582 [2020-07-20 10:41:26,691 INFO L226 Difference]: Without dead ends: 268 [2020-07-20 10:41:26,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:26,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-07-20 10:41:26,705 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2020-07-20 10:41:26,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-20 10:41:26,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 322 transitions. [2020-07-20 10:41:26,708 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 322 transitions. Word has length 124 [2020-07-20 10:41:26,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:26,708 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 322 transitions. [2020-07-20 10:41:26,708 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:26,708 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 322 transitions. [2020-07-20 10:41:26,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 10:41:26,710 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:26,711 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:26,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:26,924 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:26,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:26,925 INFO L82 PathProgramCache]: Analyzing trace with hash 1494346770, now seen corresponding path program 1 times [2020-07-20 10:41:26,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:26,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [788615177] [2020-07-20 10:41:26,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:27,100 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:41:27,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:41:27,179 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:27,180 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [788615177] [2020-07-20 10:41:27,180 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:27,180 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:41:27,181 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [38232064] [2020-07-20 10:41:27,182 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:27,182 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:27,182 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:27,183 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:41:27,183 INFO L87 Difference]: Start difference. First operand 268 states and 322 transitions. Second operand 6 states. [2020-07-20 10:41:28,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:28,120 INFO L93 Difference]: Finished difference Result 934 states and 1299 transitions. [2020-07-20 10:41:28,120 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:41:28,120 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2020-07-20 10:41:28,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:28,132 INFO L225 Difference]: With dead ends: 934 [2020-07-20 10:41:28,132 INFO L226 Difference]: Without dead ends: 694 [2020-07-20 10:41:28,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:28,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-07-20 10:41:28,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 652. [2020-07-20 10:41:28,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-07-20 10:41:28,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 853 transitions. [2020-07-20 10:41:28,199 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 853 transitions. Word has length 142 [2020-07-20 10:41:28,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:28,200 INFO L479 AbstractCegarLoop]: Abstraction has 652 states and 853 transitions. [2020-07-20 10:41:28,200 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:28,200 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 853 transitions. [2020-07-20 10:41:28,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 10:41:28,206 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:28,206 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:28,407 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:28,407 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:28,408 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:28,408 INFO L82 PathProgramCache]: Analyzing trace with hash -497527123, now seen corresponding path program 1 times [2020-07-20 10:41:28,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:28,409 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1665089784] [2020-07-20 10:41:28,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:28,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:28,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 17 conjunts are in the unsatisfiable core [2020-07-20 10:41:28,585 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:28,674 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-20 10:41:28,675 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:28,885 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:28,918 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:41:29,007 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-20 10:41:29,008 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1665089784] [2020-07-20 10:41:29,008 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:29,008 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 12 [2020-07-20 10:41:29,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [761419382] [2020-07-20 10:41:29,009 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:29,010 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:29,010 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:29,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:41:29,011 INFO L87 Difference]: Start difference. First operand 652 states and 853 transitions. Second operand 8 states. [2020-07-20 10:41:29,523 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:29,523 INFO L93 Difference]: Finished difference Result 1549 states and 2114 transitions. [2020-07-20 10:41:29,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:41:29,524 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-07-20 10:41:29,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:29,532 INFO L225 Difference]: With dead ends: 1549 [2020-07-20 10:41:29,532 INFO L226 Difference]: Without dead ends: 925 [2020-07-20 10:41:29,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-07-20 10:41:29,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-07-20 10:41:29,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 912. [2020-07-20 10:41:29,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2020-07-20 10:41:29,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1252 transitions. [2020-07-20 10:41:29,596 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1252 transitions. Word has length 146 [2020-07-20 10:41:29,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:29,596 INFO L479 AbstractCegarLoop]: Abstraction has 912 states and 1252 transitions. [2020-07-20 10:41:29,597 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:29,597 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1252 transitions. [2020-07-20 10:41:29,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 10:41:29,602 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:29,602 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:29,817 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:29,818 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:29,819 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:29,819 INFO L82 PathProgramCache]: Analyzing trace with hash -2046708437, now seen corresponding path program 1 times [2020-07-20 10:41:29,819 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:29,820 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1048502501] [2020-07-20 10:41:29,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:30,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:30,033 INFO L263 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:41:30,037 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:30,113 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:41:30,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:30,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1048502501] [2020-07-20 10:41:30,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:30,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:30,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [115690254] [2020-07-20 10:41:30,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:30,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:30,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:30,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:30,115 INFO L87 Difference]: Start difference. First operand 912 states and 1252 transitions. Second operand 8 states. [2020-07-20 10:41:31,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:31,414 INFO L93 Difference]: Finished difference Result 2508 states and 3585 transitions. [2020-07-20 10:41:31,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-20 10:41:31,415 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-07-20 10:41:31,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:31,430 INFO L225 Difference]: With dead ends: 2508 [2020-07-20 10:41:31,430 INFO L226 Difference]: Without dead ends: 1624 [2020-07-20 10:41:31,435 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-20 10:41:31,437 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2020-07-20 10:41:31,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1483. [2020-07-20 10:41:31,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2020-07-20 10:41:31,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2035 transitions. [2020-07-20 10:41:31,580 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2035 transitions. Word has length 146 [2020-07-20 10:41:31,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:31,583 INFO L479 AbstractCegarLoop]: Abstraction has 1483 states and 2035 transitions. [2020-07-20 10:41:31,583 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:31,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2035 transitions. [2020-07-20 10:41:31,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-20 10:41:31,590 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:31,590 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:31,805 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:31,806 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:31,806 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:31,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1936101265, now seen corresponding path program 1 times [2020-07-20 10:41:31,806 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:31,807 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [212413129] [2020-07-20 10:41:31,807 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:31,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:31,991 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:41:31,995 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:32,046 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-20 10:41:32,046 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:41:32,262 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-20 10:41:32,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [212413129] [2020-07-20 10:41:32,263 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:41:32,263 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-20 10:41:32,263 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108250650] [2020-07-20 10:41:32,264 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:41:32,264 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:32,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:41:32,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:41:32,264 INFO L87 Difference]: Start difference. First operand 1483 states and 2035 transitions. Second operand 6 states. [2020-07-20 10:41:32,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:32,586 INFO L93 Difference]: Finished difference Result 4166 states and 6013 transitions. [2020-07-20 10:41:32,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:32,586 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2020-07-20 10:41:32,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:32,605 INFO L225 Difference]: With dead ends: 4166 [2020-07-20 10:41:32,605 INFO L226 Difference]: Without dead ends: 2711 [2020-07-20 10:41:32,613 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 279 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:41:32,617 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2711 states. [2020-07-20 10:41:32,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2711 to 2269. [2020-07-20 10:41:32,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2269 states. [2020-07-20 10:41:32,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 3057 transitions. [2020-07-20 10:41:32,786 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 3057 transitions. Word has length 142 [2020-07-20 10:41:32,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:32,787 INFO L479 AbstractCegarLoop]: Abstraction has 2269 states and 3057 transitions. [2020-07-20 10:41:32,787 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:41:32,787 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3057 transitions. [2020-07-20 10:41:32,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 10:41:32,795 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:32,796 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2020-07-20 10:41:33,008 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:33,009 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:33,009 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:33,010 INFO L82 PathProgramCache]: Analyzing trace with hash -755591059, now seen corresponding path program 1 times [2020-07-20 10:41:33,010 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:33,010 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2043165068] [2020-07-20 10:41:33,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:33,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:33,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:41:33,188 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:33,264 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 10:41:33,265 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:33,265 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2043165068] [2020-07-20 10:41:33,265 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:33,265 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:41:33,266 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [339175159] [2020-07-20 10:41:33,266 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:41:33,266 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:33,267 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:41:33,267 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:33,267 INFO L87 Difference]: Start difference. First operand 2269 states and 3057 transitions. Second operand 8 states. [2020-07-20 10:41:33,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:33,671 INFO L93 Difference]: Finished difference Result 4314 states and 5881 transitions. [2020-07-20 10:41:33,672 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:41:33,672 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-07-20 10:41:33,672 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:33,696 INFO L225 Difference]: With dead ends: 4314 [2020-07-20 10:41:33,696 INFO L226 Difference]: Without dead ends: 2073 [2020-07-20 10:41:33,714 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:41:33,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2020-07-20 10:41:33,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2049. [2020-07-20 10:41:33,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2049 states. [2020-07-20 10:41:33,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2673 transitions. [2020-07-20 10:41:33,855 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2673 transitions. Word has length 146 [2020-07-20 10:41:33,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:33,855 INFO L479 AbstractCegarLoop]: Abstraction has 2049 states and 2673 transitions. [2020-07-20 10:41:33,856 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:41:33,856 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2673 transitions. [2020-07-20 10:41:33,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-20 10:41:33,861 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:41:33,862 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:41:34,074 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:34,075 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:41:34,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:41:34,076 INFO L82 PathProgramCache]: Analyzing trace with hash 550377833, now seen corresponding path program 1 times [2020-07-20 10:41:34,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:41:34,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1964657695] [2020-07-20 10:41:34,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:34,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:41:34,264 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-20 10:41:34,267 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:41:34,288 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:41:34,289 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:41:34,289 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1964657695] [2020-07-20 10:41:34,289 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:41:34,289 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:41:34,289 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1457212491] [2020-07-20 10:41:34,290 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:41:34,290 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:41:34,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:41:34,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:34,291 INFO L87 Difference]: Start difference. First operand 2049 states and 2673 transitions. Second operand 3 states. [2020-07-20 10:41:34,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:41:34,413 INFO L93 Difference]: Finished difference Result 3745 states and 4947 transitions. [2020-07-20 10:41:34,413 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:41:34,414 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-07-20 10:41:34,414 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:41:34,415 INFO L225 Difference]: With dead ends: 3745 [2020-07-20 10:41:34,415 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:41:34,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:41:34,424 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:41:34,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:41:34,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:41:34,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:41:34,426 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2020-07-20 10:41:34,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:41:34,426 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:41:34,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:41:34,426 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:41:34,426 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:41:34,641 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:41:34,645 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:41:37,461 WARN L193 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 32 [2020-07-20 10:41:37,873 WARN L193 SmtUtils]: Spent 237.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 32 [2020-07-20 10:41:38,185 WARN L193 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 30 [2020-07-20 10:41:39,114 WARN L193 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 44 [2020-07-20 10:41:39,641 WARN L193 SmtUtils]: Spent 471.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2020-07-20 10:41:40,067 WARN L193 SmtUtils]: Spent 421.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 31 [2020-07-20 10:41:40,230 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 29 [2020-07-20 10:41:40,840 WARN L193 SmtUtils]: Spent 603.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 41 [2020-07-20 10:41:41,205 WARN L193 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-07-20 10:41:41,447 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2020-07-20 10:41:41,683 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 26 [2020-07-20 10:41:42,449 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 52 [2020-07-20 10:41:43,155 WARN L193 SmtUtils]: Spent 700.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 45 [2020-07-20 10:41:43,520 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 31 [2020-07-20 10:41:43,807 WARN L193 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 31 [2020-07-20 10:41:43,979 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 21 [2020-07-20 10:41:44,205 WARN L193 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 33 [2020-07-20 10:41:44,483 WARN L193 SmtUtils]: Spent 272.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 25 [2020-07-20 10:41:44,795 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2020-07-20 10:41:45,232 WARN L193 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2020-07-20 10:41:45,428 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-07-20 10:41:45,975 WARN L193 SmtUtils]: Spent 418.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2020-07-20 10:41:46,259 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 23 [2020-07-20 10:41:46,651 WARN L193 SmtUtils]: Spent 336.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 30 [2020-07-20 10:41:46,933 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 21 [2020-07-20 10:41:47,328 WARN L193 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2020-07-20 10:41:48,681 WARN L193 SmtUtils]: Spent 1.35 s on a formula simplification. DAG size of input: 140 DAG size of output: 53 [2020-07-20 10:41:48,686 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-07-20 10:41:48,687 INFO L268 CegarLoopResult]: For program point L670-2(lines 670 691) no Hoare annotation was computed. [2020-07-20 10:41:48,687 INFO L268 CegarLoopResult]: For program point L692(lines 669 693) no Hoare annotation was computed. [2020-07-20 10:41:48,687 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 645 700) no Hoare annotation was computed. [2020-07-20 10:41:48,687 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 645 700) no Hoare annotation was computed. [2020-07-20 10:41:48,687 INFO L268 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-07-20 10:41:48,688 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 680) no Hoare annotation was computed. [2020-07-20 10:41:48,688 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 645 700) no Hoare annotation was computed. [2020-07-20 10:41:48,688 INFO L268 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-07-20 10:41:48,688 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2020-07-20 10:41:48,688 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-20 10:41:48,688 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 701 760) no Hoare annotation was computed. [2020-07-20 10:41:48,689 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 752) no Hoare annotation was computed. [2020-07-20 10:41:48,689 INFO L268 CegarLoopResult]: For program point L753(lines 726 754) no Hoare annotation was computed. [2020-07-20 10:41:48,689 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 701 760) no Hoare annotation was computed. [2020-07-20 10:41:48,689 INFO L268 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-07-20 10:41:48,689 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 701 760) no Hoare annotation was computed. [2020-07-20 10:41:48,689 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-07-20 10:41:48,690 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2020-07-20 10:41:48,690 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2020-07-20 10:41:48,690 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2020-07-20 10:41:48,690 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2020-07-20 10:41:48,690 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2020-07-20 10:41:48,690 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:48,690 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2020-07-20 10:41:48,691 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2020-07-20 10:41:48,691 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:48,691 INFO L264 CegarLoopResult]: At program point L233-1(line 233) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:48,691 INFO L268 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2020-07-20 10:41:48,691 INFO L268 CegarLoopResult]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2020-07-20 10:41:48,692 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-07-20 10:41:48,692 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:48,692 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:48,692 INFO L264 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:48,692 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-20 10:41:48,693 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-07-20 10:41:48,693 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-20 10:41:48,693 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 10:41:48,693 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-20 10:41:48,693 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-07-20 10:41:48,693 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-07-20 10:41:48,693 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-07-20 10:41:48,693 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-20 10:41:48,694 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-20 10:41:48,694 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-07-20 10:41:48,694 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 10:41:48,694 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-20 10:41:48,694 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-07-20 10:41:48,694 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-20 10:41:48,694 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-20 10:41:48,694 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-07-20 10:41:48,694 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2020-07-20 10:41:48,695 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)))) [2020-07-20 10:41:48,695 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2020-07-20 10:41:48,695 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-20 10:41:48,695 INFO L268 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2020-07-20 10:41:48,695 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2020-07-20 10:41:48,695 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2020-07-20 10:41:48,696 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2020-07-20 10:41:48,696 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-07-20 10:41:48,696 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-07-20 10:41:48,696 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 487 522) no Hoare annotation was computed. [2020-07-20 10:41:48,696 INFO L268 CegarLoopResult]: For program point L494(lines 494 502) no Hoare annotation was computed. [2020-07-20 10:41:48,696 INFO L268 CegarLoopResult]: For program point L494-2(lines 494 502) no Hoare annotation was computed. [2020-07-20 10:41:48,696 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 487 522) no Hoare annotation was computed. [2020-07-20 10:41:48,696 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-20 10:41:48,696 INFO L268 CegarLoopResult]: For program point L517-1(line 517) no Hoare annotation was computed. [2020-07-20 10:41:48,697 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 487 522) no Hoare annotation was computed. [2020-07-20 10:41:48,697 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2020-07-20 10:41:48,697 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2020-07-20 10:41:48,697 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 599 644) no Hoare annotation was computed. [2020-07-20 10:41:48,697 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 599 644) no Hoare annotation was computed. [2020-07-20 10:41:48,697 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 599 644) no Hoare annotation was computed. [2020-07-20 10:41:48,697 INFO L268 CegarLoopResult]: For program point L926(lines 926 946) no Hoare annotation was computed. [2020-07-20 10:41:48,697 INFO L268 CegarLoopResult]: For program point L926-1(lines 926 946) no Hoare annotation was computed. [2020-07-20 10:41:48,697 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 912 957) no Hoare annotation was computed. [2020-07-20 10:41:48,698 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 912 957) no Hoare annotation was computed. [2020-07-20 10:41:48,698 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 912 957) no Hoare annotation was computed. [2020-07-20 10:41:48,698 INFO L268 CegarLoopResult]: For program point L932(lines 932 939) no Hoare annotation was computed. [2020-07-20 10:41:48,698 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:48,698 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2020-07-20 10:41:48,698 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2020-07-20 10:41:48,699 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:48,699 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2020-07-20 10:41:48,699 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2020-07-20 10:41:48,699 INFO L271 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: true [2020-07-20 10:41:48,699 INFO L268 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-07-20 10:41:48,699 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2020-07-20 10:41:48,699 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 0 (+ ~waterLevel~0 1)))) (.cse3 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-20 10:41:48,700 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2020-07-20 10:41:48,700 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2020-07-20 10:41:48,700 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-20 10:41:48,700 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-20 10:41:48,700 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-20 10:41:48,700 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-20 10:41:48,700 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 0 (+ ~waterLevel~0 1))))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse2 .cse5) (or .cse0 .cse1 .cse6 .cse2))) [2020-07-20 10:41:48,701 INFO L268 CegarLoopResult]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2020-07-20 10:41:48,701 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 0 (+ ~waterLevel~0 1))))) (and (or .cse0 .cse1 .cse2 .cse3 (<= 1 ~pumpRunning~0)) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse2))) [2020-07-20 10:41:48,701 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2020-07-20 10:41:48,701 INFO L264 CegarLoopResult]: At program point L436(line 436) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (< 0 (+ ~waterLevel~0 1)))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse2) .cse3 .cse4) (or .cse0 .cse3 .cse4 .cse5 .cse2) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse4 .cse6) (or .cse0 .cse4 .cse6 .cse5))) [2020-07-20 10:41:48,701 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-20 10:41:48,701 INFO L268 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2020-07-20 10:41:48,702 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse2 .cse6 .cse3) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-20 10:41:48,702 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-07-20 10:41:48,702 INFO L268 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2020-07-20 10:41:48,702 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2020-07-20 10:41:48,702 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2020-07-20 10:41:48,702 INFO L264 CegarLoopResult]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:48,703 INFO L264 CegarLoopResult]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (< 0 (+ ~waterLevel~0 1))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse1 .cse2 .cse5) (and .cse3 .cse0 .cse4 .cse2 .cse5 .cse6) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse7 .cse2 .cse5 .cse6) (and .cse0 .cse4 .cse7 .cse1 .cse2 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:48,703 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (< 0 (+ ~waterLevel~0 1))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse1 .cse2 .cse5) (and .cse3 .cse0 .cse4 .cse2 .cse5 .cse6) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse4 .cse2 .cse5 .cse6) (and .cse0 .cse4 .cse7 .cse1 .cse2 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:48,703 INFO L268 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-07-20 10:41:48,703 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2020-07-20 10:41:48,703 INFO L268 CegarLoopResult]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2020-07-20 10:41:48,703 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-20 10:41:48,703 INFO L264 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:41:48,704 INFO L264 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~systemActive~0)))) [2020-07-20 10:41:48,704 INFO L268 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2020-07-20 10:41:48,704 INFO L264 CegarLoopResult]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (< 0 (+ ~waterLevel~0 1))) (.cse5 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse6 .cse4 .cse5 .cse7) (and .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse5 .cse7) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4))) [2020-07-20 10:41:48,704 INFO L268 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2020-07-20 10:41:48,704 INFO L268 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2020-07-20 10:41:48,705 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (< 0 (+ ~waterLevel~0 1))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse1 .cse2 .cse5) (and .cse3 .cse0 .cse4 .cse2 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse7 .cse2 .cse5 .cse6) (and .cse0 .cse4 .cse7 .cse1 .cse2 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:41:48,705 INFO L268 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-07-20 10:41:48,705 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2020-07-20 10:41:48,705 INFO L268 CegarLoopResult]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2020-07-20 10:41:48,705 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 866 911) no Hoare annotation was computed. [2020-07-20 10:41:48,705 INFO L268 CegarLoopResult]: For program point L886(lines 886 893) no Hoare annotation was computed. [2020-07-20 10:41:48,705 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 866 911) no Hoare annotation was computed. [2020-07-20 10:41:48,705 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 866 911) no Hoare annotation was computed. [2020-07-20 10:41:48,705 INFO L268 CegarLoopResult]: For program point L880(lines 880 900) no Hoare annotation was computed. [2020-07-20 10:41:48,706 INFO L268 CegarLoopResult]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2020-07-20 10:41:48,706 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (< 0 (+ ~waterLevel~0 1))) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-20 10:41:48,706 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse5 .cse1 .cse3) (or .cse0 .cse5 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse4))) [2020-07-20 10:41:48,706 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-07-20 10:41:48,706 INFO L268 CegarLoopResult]: For program point L268(lines 268 278) no Hoare annotation was computed. [2020-07-20 10:41:48,706 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse3))) [2020-07-20 10:41:48,706 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-07-20 10:41:48,706 INFO L268 CegarLoopResult]: For program point L264(lines 264 281) no Hoare annotation was computed. [2020-07-20 10:41:48,707 INFO L268 CegarLoopResult]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2020-07-20 10:41:48,707 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (< 0 (+ ~waterLevel~0 1))) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-20 10:41:48,707 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-07-20 10:41:48,707 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2020-07-20 10:41:48,707 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:41:48,707 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-20 10:41:48,707 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:41:48,707 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:41:48,707 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-20 10:41:48,708 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:41:48,708 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2020-07-20 10:41:48,708 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2020-07-20 10:41:48,708 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 559 568) no Hoare annotation was computed. [2020-07-20 10:41:48,708 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 559 568) no Hoare annotation was computed. [2020-07-20 10:41:48,708 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 559 568) no Hoare annotation was computed. [2020-07-20 10:41:48,708 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 763 865) no Hoare annotation was computed. [2020-07-20 10:41:48,708 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-20 10:41:48,709 INFO L268 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-07-20 10:41:48,709 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-07-20 10:41:48,709 INFO L268 CegarLoopResult]: For program point L851(lines 851 862) no Hoare annotation was computed. [2020-07-20 10:41:48,709 INFO L268 CegarLoopResult]: For program point L814(lines 814 818) no Hoare annotation was computed. [2020-07-20 10:41:48,709 INFO L268 CegarLoopResult]: For program point L812-2(lines 812 832) no Hoare annotation was computed. [2020-07-20 10:41:48,709 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 763 865) no Hoare annotation was computed. [2020-07-20 10:41:48,709 INFO L268 CegarLoopResult]: For program point L833(lines 811 834) no Hoare annotation was computed. [2020-07-20 10:41:48,709 INFO L268 CegarLoopResult]: For program point L792(lines 792 808) no Hoare annotation was computed. [2020-07-20 10:41:48,709 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-07-20 10:41:48,710 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 763 865) no Hoare annotation was computed. [2020-07-20 10:41:48,710 INFO L268 CegarLoopResult]: For program point L813(lines 812 832) no Hoare annotation was computed. [2020-07-20 10:41:48,710 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-20 10:41:48,710 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-20 10:41:48,710 INFO L268 CegarLoopResult]: For program point L809(lines 809 850) no Hoare annotation was computed. [2020-07-20 10:41:48,710 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:48,710 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)) [2020-07-20 10:41:48,710 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:48,710 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2020-07-20 10:41:48,711 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2020-07-20 10:41:48,711 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-20 10:41:48,711 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-20 10:41:48,711 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-20 10:41:48,711 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-20 10:41:48,711 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-07-20 10:41:48,711 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-07-20 10:41:48,711 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-07-20 10:41:48,712 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-07-20 10:41:48,712 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-20 10:41:48,712 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-07-20 10:41:48,712 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-07-20 10:41:48,712 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-20 10:41:48,712 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse6 .cse7 .cse8) (or .cse1 .cse3 .cse6 .cse5 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse7))) [2020-07-20 10:41:48,712 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-20 10:41:48,712 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:48,713 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:41:48,713 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:48,713 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-20 10:41:48,713 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-20 10:41:48,713 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-20 10:41:48,713 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (and .cse11 (< 0 (+ ~waterLevel~0 1)) (<= 1 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (< 0 (+ |old(~waterLevel~0)| 1)))) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= 0 ~pumpRunning~0)) (.cse13 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse6) (or .cse0 .cse2 .cse7 .cse5 .cse6) (or .cse0 .cse2 .cse7 .cse3 .cse4) (or (not (= 0 ~systemActive~0)) .cse8) (or .cse0 .cse9 .cse1 .cse2 .cse10 .cse4) (or .cse0 (and .cse11 .cse12 .cse13) .cse10 .cse8 .cse7 .cse4) (or .cse0 .cse1 .cse10 .cse8 .cse4 (and .cse9 .cse11 .cse12 .cse13))))) [2020-07-20 10:41:48,714 INFO L264 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse15 (< 0 (+ ~waterLevel~0 1))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= 0 ~pumpRunning~0)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (and .cse6 .cse14 .cse7)) (.cse10 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse13 (and .cse6 .cse15 .cse14)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (<= 1 ~pumpRunning~0)) (.cse12 (not (< 0 (+ |old(~waterLevel~0)| 1))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or (and .cse6 .cse7 .cse8) .cse0 .cse9 .cse10 .cse11 .cse2 .cse12) (or .cse0 .cse5 .cse9 .cse10 .cse11 (and (= 0 ~methAndRunningLastTime~0) .cse6 .cse8 .cse7) .cse12) (or .cse0 .cse13 .cse5 .cse1 .cse12) (or (not (= 0 ~systemActive~0)) .cse11 .cse14) (or .cse0 .cse13 .cse1 .cse2 (and .cse6 .cse15 .cse8) .cse12)))) [2020-07-20 10:41:48,714 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (< 0 (+ |old(~waterLevel~0)| 1)))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~systemActive~0)) .cse2) (or (and .cse5 .cse6 .cse7) .cse0 .cse8 .cse3 .cse4) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse9 .cse8 .cse1 .cse4) (or .cse0 .cse9 .cse1 .cse2 .cse4) (or .cse0 .cse9 .cse8 .cse4 (and .cse5 .cse7 .cse6)))) [2020-07-20 10:41:48,714 INFO L268 CegarLoopResult]: For program point L372(lines 371 390) no Hoare annotation was computed. [2020-07-20 10:41:48,714 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= 0 ~pumpRunning~0)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (<= 1 ~pumpRunning~0)) (.cse12 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse11 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (< 0 (+ |old(~waterLevel~0)| 1)))) (.cse5 (and .cse10 .cse6 .cse13 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (and .cse6 .cse7 .cse8) .cse0 .cse9 .cse3 .cse4) (or .cse0 .cse10 .cse11 .cse9 .cse1 .cse4) (or .cse0 .cse11 .cse9 .cse4 (and .cse6 .cse8 .cse7)) (or .cse12 .cse2 .cse13) (or .cse10 .cse12 .cse1 .cse2) (or .cse0 .cse11 .cse1 .cse2 .cse4 .cse5)))) [2020-07-20 10:41:48,714 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2020-07-20 10:41:48,714 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2020-07-20 10:41:48,714 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-07-20 10:41:48,714 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-20 10:41:48,715 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2020-07-20 10:41:48,715 INFO L271 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2020-07-20 10:41:48,715 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-20 10:41:48,715 INFO L271 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2020-07-20 10:41:48,715 INFO L271 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-07-20 10:41:48,715 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-07-20 10:41:48,715 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-07-20 10:41:48,715 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-20 10:41:48,715 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ |old(~waterLevel~0)| 1)))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-20 10:41:48,715 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-20 10:41:48,715 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-20 10:41:48,716 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-07-20 10:41:48,716 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-07-20 10:41:48,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:41:48,716 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:41:48,716 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:41:48,716 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:41:48,716 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (<= 1 ~pumpRunning~0)) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse2 .cse4))) [2020-07-20 10:41:48,716 INFO L264 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse4))) [2020-07-20 10:41:48,717 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2020-07-20 10:41:48,717 INFO L264 CegarLoopResult]: At program point L410(line 410) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse4))) [2020-07-20 10:41:48,717 INFO L268 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-07-20 10:41:48,717 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse4))) [2020-07-20 10:41:48,717 INFO L268 CegarLoopResult]: For program point L406-1(line 406) no Hoare annotation was computed. [2020-07-20 10:41:48,717 INFO L268 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2020-07-20 10:41:48,717 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (<= 1 ~pumpRunning~0)) (or .cse0 .cse1 .cse3 .cse2) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-20 10:41:48,717 INFO L268 CegarLoopResult]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2020-07-20 10:41:48,717 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-20 10:41:48,717 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-20 10:41:48,717 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse15 (= 0 ~methAndRunningLastTime~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (< 0 (+ ~waterLevel~0 1))) (.cse14 (= 0 ~pumpRunning~0)) (.cse13 (<= 1 ~systemActive~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse15 .cse7 .cse8 .cse14 .cse13)) (.cse1 (not .cse15)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not .cse14)) (.cse11 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not .cse13)) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (< 0 (+ |old(~waterLevel~0)| 1)))) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse12 (and .cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse4 (and .cse7 .cse8) .cse5 .cse9) (or .cse0 .cse1 .cse2 .cse10 .cse3 .cse5 .cse6) (or .cse1 .cse2 .cse10 .cse6 .cse11 .cse12) (or .cse1 .cse2 .cse4 .cse9 .cse11 .cse12) (or .cse1 .cse2 .cse4 .cse6 .cse11 .cse12) (or .cse2 .cse10 .cse5 .cse9 .cse12)))) [2020-07-20 10:41:48,718 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-20 10:41:48,718 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2020-07-20 10:41:48,718 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2020-07-20 10:41:48,718 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-20 10:41:48,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:41:48 BoogieIcfgContainer [2020-07-20 10:41:48,735 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:41:48,737 INFO L168 Benchmark]: Toolchain (without parser) took 27520.11 ms. Allocated memory was 138.4 MB in the beginning and 597.7 MB in the end (delta: 459.3 MB). Free memory was 100.6 MB in the beginning and 122.8 MB in the end (delta: -22.2 MB). Peak memory consumption was 441.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:48,738 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:41:48,738 INFO L168 Benchmark]: CACSL2BoogieTranslator took 644.28 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 173.2 MB in the end (delta: -73.0 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:48,739 INFO L168 Benchmark]: Boogie Preprocessor took 111.27 ms. Allocated memory is still 203.4 MB. Free memory was 173.2 MB in the beginning and 168.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:48,740 INFO L168 Benchmark]: RCFGBuilder took 1137.30 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.1 MB in the beginning and 198.2 MB in the end (delta: -30.1 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:48,741 INFO L168 Benchmark]: TraceAbstraction took 25616.40 ms. Allocated memory was 235.9 MB in the beginning and 597.7 MB in the end (delta: 361.8 MB). Free memory was 198.2 MB in the beginning and 122.8 MB in the end (delta: 75.3 MB). Peak memory consumption was 441.3 MB. Max. memory is 7.1 GB. [2020-07-20 10:41:48,744 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 138.4 MB. Free memory was 120.2 MB in the beginning and 120.0 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 644.28 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.2 MB in the beginning and 173.2 MB in the end (delta: -73.0 MB). Peak memory consumption was 29.2 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 111.27 ms. Allocated memory is still 203.4 MB. Free memory was 173.2 MB in the beginning and 168.8 MB in the end (delta: 4.5 MB). Peak memory consumption was 4.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1137.30 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.1 MB in the beginning and 198.2 MB in the end (delta: -30.1 MB). Peak memory consumption was 85.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25616.40 ms. Allocated memory was 235.9 MB in the beginning and 597.7 MB in the end (delta: 361.8 MB). Free memory was 198.2 MB in the beginning and 122.8 MB in the end (delta: 75.3 MB). Peak memory consumption was 441.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: 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: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((!(\old(waterLevel) <= 1) || (((0 == methAndRunningLastTime && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 < waterLevel + 1) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 < waterLevel + 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 < waterLevel + 1 && 1 <= methaneLevelCritical) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || (((((0 == methAndRunningLastTime && 0 < waterLevel + 1) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2101 SDtfs, 1764 SDslu, 2488 SDs, 0 SdLazy, 1831 SolverSat, 722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1602 GetRequests, 1545 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2269occurred 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: 0.7s AutomataMinimizationTime, 12 MinimizatonAttempts, 704 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 4528 PreInvPairs, 4816 NumberOfFragments, 3279 HoareAnnotationTreeSize, 4528 FomulaSimplifications, 13582 FormulaSimplificationTreeSizeReduction, 2.3s HoareSimplificationTime, 62 FomulaSimplificationsInter, 43336 FormulaSimplificationTreeSizeReductionInter, 11.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1305 NumberOfCodeBlocks, 1305 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1579 ConstructedInterpolants, 0 QuantifiedInterpolants, 399195 SizeOfPredicates, 33 NumberOfNonLiveVariables, 9825 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 390/393 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...