/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_spec5_product36.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:43:47,896 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:43:47,898 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:43:47,917 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:43:47,918 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:43:47,920 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:43:47,922 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:43:47,935 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:43:47,937 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:43:47,938 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:43:47,940 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:43:47,942 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:43:47,942 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:43:47,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:43:47,948 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:43:47,950 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:43:47,952 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:43:47,954 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:43:47,956 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:43:47,961 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:43:47,967 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:43:47,970 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:43:47,971 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:43:47,972 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:43:47,976 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:43:47,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:43:47,977 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:43:47,979 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:43:47,980 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:43:47,981 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:43:47,982 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:43:47,983 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:43:47,984 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:43:47,984 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:43:47,986 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:43:47,986 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:43:47,987 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:43:47,987 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:43:47,987 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:43:47,988 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:43:47,989 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:43:47,990 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 10:43:48,009 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:43:48,009 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:43:48,011 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:43:48,011 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:43:48,012 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:43:48,012 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:43:48,012 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:43:48,012 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:43:48,012 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:43:48,013 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:43:48,013 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:43:48,014 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:43:48,014 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:43:48,014 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:43:48,015 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:43:48,015 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:43:48,015 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:43:48,015 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:43:48,015 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:43:48,016 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:43:48,016 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:43:48,016 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:43:48,016 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:43:48,016 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:43:48,017 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:43:48,017 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:43:48,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:48,017 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:43:48,017 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:43:48,018 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 10:43:48,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:43:48,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:43:48,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:43:48,316 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:43:48,316 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:43:48,317 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-07-20 10:43:48,393 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d1f8b6e9/cc77e711c28a4e9b8e2eac03276acc8a/FLAG0ac6ae56d [2020-07-20 10:43:48,950 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:43:48,951 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product36.cil.c [2020-07-20 10:43:48,971 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d1f8b6e9/cc77e711c28a4e9b8e2eac03276acc8a/FLAG0ac6ae56d [2020-07-20 10:43:49,253 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d1f8b6e9/cc77e711c28a4e9b8e2eac03276acc8a [2020-07-20 10:43:49,262 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:43:49,265 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:43:49,266 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:49,266 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:43:49,271 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:43:49,272 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,276 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@211823ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49, skipping insertion in model container [2020-07-20 10:43:49,276 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,283 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:43:49,327 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:43:49,679 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:49,789 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:43:49,932 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:43:49,966 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:43:49,966 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49 WrapperNode [2020-07-20 10:43:49,966 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:43:49,967 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:43:49,967 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:43:49,967 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:43:49,977 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,977 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,996 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:49,996 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:50,025 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:50,036 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:50,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (1/1) ... [2020-07-20 10:43:50,048 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:43:50,049 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:43:50,049 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:43:50,049 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:43:50,050 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (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 10:43:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:43:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:43:50,119 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:43:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:43:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:43:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:43:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:43:50,120 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:43:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:43:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:43:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:43:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:43:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:43:50,121 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:43:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:43:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:43:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-20 10:43:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-20 10:43:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:50,122 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:43:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:43:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:43:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:43:50,123 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:43:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:43:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:43:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:43:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:43:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:50,124 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:43:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:43:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:43:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:43:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:43:50,125 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:43:50,126 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:43:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:43:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:43:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:43:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:43:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:43:50,126 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:43:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:43:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:43:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:43:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:43:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:43:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:43:50,127 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:43:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:43:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:43:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:43:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:43:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-20 10:43:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-20 10:43:50,128 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-20 10:43:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-20 10:43:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:43:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:43:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:43:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:43:50,129 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:43:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:43:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:43:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:43:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:43:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:43:50,130 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:43:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:43:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:43:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:43:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:43:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:43:50,131 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:43:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:43:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:43:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:43:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:43:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:43:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:43:50,132 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:43:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:43:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:43:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:43:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-20 10:43:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:43:50,133 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:43:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:43:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:43:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:43:50,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:43:51,301 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:43:51,301 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:43:51,307 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:51 BoogieIcfgContainer [2020-07-20 10:43:51,307 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:43:51,308 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:43:51,309 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:43:51,312 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:43:51,312 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:43:49" (1/3) ... [2020-07-20 10:43:51,313 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598ae523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:51, skipping insertion in model container [2020-07-20 10:43:51,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:43:49" (2/3) ... [2020-07-20 10:43:51,314 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@598ae523 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:43:51, skipping insertion in model container [2020-07-20 10:43:51,314 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:43:51" (3/3) ... [2020-07-20 10:43:51,316 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product36.cil.c [2020-07-20 10:43:51,327 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:43:51,336 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:43:51,351 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:43:51,378 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:43:51,378 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:43:51,378 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:43:51,379 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:43:51,379 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:43:51,379 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:43:51,379 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:43:51,380 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:43:51,407 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states. [2020-07-20 10:43:51,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-20 10:43:51,419 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:51,420 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:51,421 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:51,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:51,428 INFO L82 PathProgramCache]: Analyzing trace with hash 1424451371, now seen corresponding path program 1 times [2020-07-20 10:43:51,438 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:51,439 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023965886] [2020-07-20 10:43:51,439 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 10:43:51,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:51,711 INFO L263 TraceCheckSpWp]: Trace formula consists of 706 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:43:51,721 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:51,759 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:43:51,760 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:51,761 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023965886] [2020-07-20 10:43:51,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:51,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:43:51,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2137766947] [2020-07-20 10:43:51,769 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:43:51,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:51,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:43:51,789 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:43:51,791 INFO L87 Difference]: Start difference. First operand 171 states. Second operand 2 states. [2020-07-20 10:43:51,838 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:51,838 INFO L93 Difference]: Finished difference Result 252 states and 311 transitions. [2020-07-20 10:43:51,838 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:43:51,840 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-20 10:43:51,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:51,855 INFO L225 Difference]: With dead ends: 252 [2020-07-20 10:43:51,855 INFO L226 Difference]: Without dead ends: 128 [2020-07-20 10:43:51,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 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 10:43:51,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 128 states. [2020-07-20 10:43:51,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 128 to 128. [2020-07-20 10:43:51,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 128 states. [2020-07-20 10:43:51,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 128 states to 128 states and 149 transitions. [2020-07-20 10:43:51,920 INFO L78 Accepts]: Start accepts. Automaton has 128 states and 149 transitions. Word has length 59 [2020-07-20 10:43:51,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:51,920 INFO L479 AbstractCegarLoop]: Abstraction has 128 states and 149 transitions. [2020-07-20 10:43:51,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:43:51,921 INFO L276 IsEmpty]: Start isEmpty. Operand 128 states and 149 transitions. [2020-07-20 10:43:51,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-20 10:43:51,925 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:51,925 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:52,138 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:52,139 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:52,140 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:52,140 INFO L82 PathProgramCache]: Analyzing trace with hash -1343962066, now seen corresponding path program 1 times [2020-07-20 10:43:52,141 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:52,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124989843] [2020-07-20 10:43:52,142 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 10:43:52,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:52,397 INFO L263 TraceCheckSpWp]: Trace formula consists of 707 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:43:52,409 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:52,461 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-20 10:43:52,462 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:52,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124989843] [2020-07-20 10:43:52,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:52,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:52,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021025095] [2020-07-20 10:43:52,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:52,470 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:52,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:52,470 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:52,470 INFO L87 Difference]: Start difference. First operand 128 states and 149 transitions. Second operand 3 states. [2020-07-20 10:43:52,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:52,508 INFO L93 Difference]: Finished difference Result 188 states and 219 transitions. [2020-07-20 10:43:52,509 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:52,509 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-20 10:43:52,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:52,513 INFO L225 Difference]: With dead ends: 188 [2020-07-20 10:43:52,514 INFO L226 Difference]: Without dead ends: 119 [2020-07-20 10:43:52,515 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 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 10:43:52,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2020-07-20 10:43:52,539 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2020-07-20 10:43:52,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 119 states. [2020-07-20 10:43:52,542 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 137 transitions. [2020-07-20 10:43:52,542 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 137 transitions. Word has length 60 [2020-07-20 10:43:52,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:52,543 INFO L479 AbstractCegarLoop]: Abstraction has 119 states and 137 transitions. [2020-07-20 10:43:52,543 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:52,543 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 137 transitions. [2020-07-20 10:43:52,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2020-07-20 10:43:52,550 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:52,550 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:52,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:52,763 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:52,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:52,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1988567769, now seen corresponding path program 1 times [2020-07-20 10:43:52,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:52,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046880733] [2020-07-20 10:43:52,764 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 10:43:52,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:52,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 717 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:43:52,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:52,998 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:52,998 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:52,998 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046880733] [2020-07-20 10:43:52,999 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:52,999 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:52,999 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082871121] [2020-07-20 10:43:53,000 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:53,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:53,000 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:53,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:53,001 INFO L87 Difference]: Start difference. First operand 119 states and 137 transitions. Second operand 3 states. [2020-07-20 10:43:53,029 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:53,029 INFO L93 Difference]: Finished difference Result 297 states and 354 transitions. [2020-07-20 10:43:53,030 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:53,030 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 65 [2020-07-20 10:43:53,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:53,033 INFO L225 Difference]: With dead ends: 297 [2020-07-20 10:43:53,033 INFO L226 Difference]: Without dead ends: 206 [2020-07-20 10:43:53,034 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 63 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 10:43:53,035 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 206 states. [2020-07-20 10:43:53,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 206 to 194. [2020-07-20 10:43:53,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 194 states. [2020-07-20 10:43:53,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 194 states and 229 transitions. [2020-07-20 10:43:53,057 INFO L78 Accepts]: Start accepts. Automaton has 194 states and 229 transitions. Word has length 65 [2020-07-20 10:43:53,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:53,058 INFO L479 AbstractCegarLoop]: Abstraction has 194 states and 229 transitions. [2020-07-20 10:43:53,058 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:53,058 INFO L276 IsEmpty]: Start isEmpty. Operand 194 states and 229 transitions. [2020-07-20 10:43:53,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2020-07-20 10:43:53,060 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:53,060 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:53,273 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:53,274 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:53,275 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:53,275 INFO L82 PathProgramCache]: Analyzing trace with hash 827482166, now seen corresponding path program 1 times [2020-07-20 10:43:53,276 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:53,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2093489941] [2020-07-20 10:43:53,277 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 10:43:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:53,458 INFO L263 TraceCheckSpWp]: Trace formula consists of 731 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:53,462 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:53,520 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:53,520 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:53,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2093489941] [2020-07-20 10:43:53,521 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:53,521 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:53,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [266568172] [2020-07-20 10:43:53,522 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:53,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:53,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:53,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:53,522 INFO L87 Difference]: Start difference. First operand 194 states and 229 transitions. Second operand 6 states. [2020-07-20 10:43:53,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:53,781 INFO L93 Difference]: Finished difference Result 474 states and 584 transitions. [2020-07-20 10:43:53,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:43:53,782 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 70 [2020-07-20 10:43:53,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:53,786 INFO L225 Difference]: With dead ends: 474 [2020-07-20 10:43:53,786 INFO L226 Difference]: Without dead ends: 308 [2020-07-20 10:43:53,788 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 65 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 10:43:53,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 308 states. [2020-07-20 10:43:53,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 308 to 300. [2020-07-20 10:43:53,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 300 states. [2020-07-20 10:43:53,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 300 states and 359 transitions. [2020-07-20 10:43:53,833 INFO L78 Accepts]: Start accepts. Automaton has 300 states and 359 transitions. Word has length 70 [2020-07-20 10:43:53,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:53,834 INFO L479 AbstractCegarLoop]: Abstraction has 300 states and 359 transitions. [2020-07-20 10:43:53,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:53,834 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 359 transitions. [2020-07-20 10:43:53,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 10:43:53,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:53,842 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:54,042 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:54,043 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:54,043 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:54,043 INFO L82 PathProgramCache]: Analyzing trace with hash 361073596, now seen corresponding path program 1 times [2020-07-20 10:43:54,043 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:54,044 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1327453411] [2020-07-20 10:43:54,045 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 10:43:54,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:54,226 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-20 10:43:54,234 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:54,267 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:54,267 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:54,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1327453411] [2020-07-20 10:43:54,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:54,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:54,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [752694296] [2020-07-20 10:43:54,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:54,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:54,270 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:54,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:54,270 INFO L87 Difference]: Start difference. First operand 300 states and 359 transitions. Second operand 3 states. [2020-07-20 10:43:54,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:54,327 INFO L93 Difference]: Finished difference Result 836 states and 1067 transitions. [2020-07-20 10:43:54,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:54,328 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 88 [2020-07-20 10:43:54,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:54,333 INFO L225 Difference]: With dead ends: 836 [2020-07-20 10:43:54,334 INFO L226 Difference]: Without dead ends: 564 [2020-07-20 10:43:54,336 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 85 SyntacticMatches, 1 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 10:43:54,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 564 states. [2020-07-20 10:43:54,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 564 to 561. [2020-07-20 10:43:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 561 states. [2020-07-20 10:43:54,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 700 transitions. [2020-07-20 10:43:54,383 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 700 transitions. Word has length 88 [2020-07-20 10:43:54,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:54,384 INFO L479 AbstractCegarLoop]: Abstraction has 561 states and 700 transitions. [2020-07-20 10:43:54,384 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:54,384 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 700 transitions. [2020-07-20 10:43:54,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 10:43:54,387 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:54,387 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:54,600 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:54,601 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:54,602 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:54,602 INFO L82 PathProgramCache]: Analyzing trace with hash -1000362859, now seen corresponding path program 1 times [2020-07-20 10:43:54,602 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:54,603 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499349291] [2020-07-20 10:43:54,603 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 10:43:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:54,790 INFO L263 TraceCheckSpWp]: Trace formula consists of 779 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-20 10:43:54,794 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:54,845 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:54,846 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:54,846 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499349291] [2020-07-20 10:43:54,846 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:54,846 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:54,847 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340464793] [2020-07-20 10:43:54,847 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:54,848 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:54,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:54,848 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:54,848 INFO L87 Difference]: Start difference. First operand 561 states and 700 transitions. Second operand 6 states. [2020-07-20 10:43:55,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:55,939 INFO L93 Difference]: Finished difference Result 1888 states and 2537 transitions. [2020-07-20 10:43:55,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:43:55,939 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-20 10:43:55,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:55,950 INFO L225 Difference]: With dead ends: 1888 [2020-07-20 10:43:55,950 INFO L226 Difference]: Without dead ends: 1355 [2020-07-20 10:43:55,952 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 86 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2020-07-20 10:43:55,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1355 states. [2020-07-20 10:43:56,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1355 to 1245. [2020-07-20 10:43:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1245 states. [2020-07-20 10:43:56,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1245 states to 1245 states and 1609 transitions. [2020-07-20 10:43:56,027 INFO L78 Accepts]: Start accepts. Automaton has 1245 states and 1609 transitions. Word has length 92 [2020-07-20 10:43:56,027 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:56,027 INFO L479 AbstractCegarLoop]: Abstraction has 1245 states and 1609 transitions. [2020-07-20 10:43:56,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:56,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1609 transitions. [2020-07-20 10:43:56,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 10:43:56,030 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:56,030 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:56,234 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:56,235 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:56,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:56,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1750216773, now seen corresponding path program 1 times [2020-07-20 10:43:56,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:56,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1691602283] [2020-07-20 10:43:56,237 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 10:43:56,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:56,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 770 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-20 10:43:56,401 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:56,440 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:56,441 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:56,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1691602283] [2020-07-20 10:43:56,445 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:56,445 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:43:56,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1665636683] [2020-07-20 10:43:56,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:43:56,446 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:56,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:43:56,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:43:56,446 INFO L87 Difference]: Start difference. First operand 1245 states and 1609 transitions. Second operand 6 states. [2020-07-20 10:43:56,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:56,539 INFO L93 Difference]: Finished difference Result 2492 states and 3304 transitions. [2020-07-20 10:43:56,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:43:56,539 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 88 [2020-07-20 10:43:56,540 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:56,547 INFO L225 Difference]: With dead ends: 2492 [2020-07-20 10:43:56,547 INFO L226 Difference]: Without dead ends: 1275 [2020-07-20 10:43:56,551 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:43:56,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1275 states. [2020-07-20 10:43:56,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1275 to 1275. [2020-07-20 10:43:56,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-07-20 10:43:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1647 transitions. [2020-07-20 10:43:56,622 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1647 transitions. Word has length 88 [2020-07-20 10:43:56,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:56,622 INFO L479 AbstractCegarLoop]: Abstraction has 1275 states and 1647 transitions. [2020-07-20 10:43:56,622 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:43:56,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1647 transitions. [2020-07-20 10:43:56,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2020-07-20 10:43:56,624 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:56,624 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:56,834 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:56,835 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:56,836 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:56,836 INFO L82 PathProgramCache]: Analyzing trace with hash -364013379, now seen corresponding path program 1 times [2020-07-20 10:43:56,836 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:56,837 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [171361193] [2020-07-20 10:43:56,837 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 10:43:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:57,020 INFO L263 TraceCheckSpWp]: Trace formula consists of 771 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-20 10:43:57,023 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:57,059 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:57,060 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:57,060 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [171361193] [2020-07-20 10:43:57,060 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:57,060 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-07-20 10:43:57,061 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1180484249] [2020-07-20 10:43:57,061 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:43:57,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:57,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:43:57,062 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:43:57,062 INFO L87 Difference]: Start difference. First operand 1275 states and 1647 transitions. Second operand 5 states. [2020-07-20 10:43:57,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:57,122 INFO L93 Difference]: Finished difference Result 2380 states and 3142 transitions. [2020-07-20 10:43:57,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-07-20 10:43:57,122 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 88 [2020-07-20 10:43:57,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:57,129 INFO L225 Difference]: With dead ends: 2380 [2020-07-20 10:43:57,130 INFO L226 Difference]: Without dead ends: 1133 [2020-07-20 10:43:57,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-07-20 10:43:57,136 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1133 states. [2020-07-20 10:43:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1133 to 1133. [2020-07-20 10:43:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1133 states. [2020-07-20 10:43:57,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 1133 states and 1435 transitions. [2020-07-20 10:43:57,196 INFO L78 Accepts]: Start accepts. Automaton has 1133 states and 1435 transitions. Word has length 88 [2020-07-20 10:43:57,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:57,197 INFO L479 AbstractCegarLoop]: Abstraction has 1133 states and 1435 transitions. [2020-07-20 10:43:57,197 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:43:57,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1435 transitions. [2020-07-20 10:43:57,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-20 10:43:57,199 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:57,199 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:43:57,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:57,414 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:57,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:57,414 INFO L82 PathProgramCache]: Analyzing trace with hash -1797836392, now seen corresponding path program 1 times [2020-07-20 10:43:57,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:57,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1992315279] [2020-07-20 10:43:57,415 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 10:43:57,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:57,585 INFO L263 TraceCheckSpWp]: Trace formula consists of 780 conjuncts, 22 conjunts are in the unsatisfiable core [2020-07-20 10:43:57,589 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:57,692 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:43:57,692 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:57,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1992315279] [2020-07-20 10:43:57,693 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:57,693 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-07-20 10:43:57,693 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804508333] [2020-07-20 10:43:57,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:43:57,694 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:57,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:43:57,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:43:57,694 INFO L87 Difference]: Start difference. First operand 1133 states and 1435 transitions. Second operand 10 states. [2020-07-20 10:43:59,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:59,000 INFO L93 Difference]: Finished difference Result 2953 states and 4162 transitions. [2020-07-20 10:43:59,000 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-07-20 10:43:59,001 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 92 [2020-07-20 10:43:59,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:59,014 INFO L225 Difference]: With dead ends: 2953 [2020-07-20 10:43:59,014 INFO L226 Difference]: Without dead ends: 1848 [2020-07-20 10:43:59,019 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 57 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=304, Unknown=0, NotChecked=0, Total=420 [2020-07-20 10:43:59,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1848 states. [2020-07-20 10:43:59,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1848 to 1275. [2020-07-20 10:43:59,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1275 states. [2020-07-20 10:43:59,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1275 states to 1275 states and 1567 transitions. [2020-07-20 10:43:59,129 INFO L78 Accepts]: Start accepts. Automaton has 1275 states and 1567 transitions. Word has length 92 [2020-07-20 10:43:59,130 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:59,131 INFO L479 AbstractCegarLoop]: Abstraction has 1275 states and 1567 transitions. [2020-07-20 10:43:59,131 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:43:59,131 INFO L276 IsEmpty]: Start isEmpty. Operand 1275 states and 1567 transitions. [2020-07-20 10:43:59,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2020-07-20 10:43:59,140 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:59,141 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 10:43:59,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:59,355 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:59,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:59,355 INFO L82 PathProgramCache]: Analyzing trace with hash -553431422, now seen corresponding path program 1 times [2020-07-20 10:43:59,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:59,357 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [507289872] [2020-07-20 10:43:59,357 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 10:43:59,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:43:59,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 891 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-20 10:43:59,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:43:59,605 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:43:59,605 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:43:59,606 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [507289872] [2020-07-20 10:43:59,606 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:43:59,606 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:43:59,606 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476730791] [2020-07-20 10:43:59,607 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:43:59,607 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:43:59,607 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:43:59,608 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:43:59,608 INFO L87 Difference]: Start difference. First operand 1275 states and 1567 transitions. Second operand 3 states. [2020-07-20 10:43:59,698 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:43:59,698 INFO L93 Difference]: Finished difference Result 2206 states and 2704 transitions. [2020-07-20 10:43:59,698 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:43:59,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 133 [2020-07-20 10:43:59,699 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:43:59,704 INFO L225 Difference]: With dead ends: 2206 [2020-07-20 10:43:59,704 INFO L226 Difference]: Without dead ends: 959 [2020-07-20 10:43:59,708 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 131 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 10:43:59,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 959 states. [2020-07-20 10:43:59,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 959 to 934. [2020-07-20 10:43:59,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 934 states. [2020-07-20 10:43:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 934 states to 934 states and 1113 transitions. [2020-07-20 10:43:59,755 INFO L78 Accepts]: Start accepts. Automaton has 934 states and 1113 transitions. Word has length 133 [2020-07-20 10:43:59,755 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:43:59,755 INFO L479 AbstractCegarLoop]: Abstraction has 934 states and 1113 transitions. [2020-07-20 10:43:59,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:43:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 934 states and 1113 transitions. [2020-07-20 10:43:59,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-07-20 10:43:59,758 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:43:59,758 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] [2020-07-20 10:43:59,972 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:43:59,973 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:43:59,974 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:43:59,974 INFO L82 PathProgramCache]: Analyzing trace with hash -1966372220, now seen corresponding path program 1 times [2020-07-20 10:43:59,974 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:43:59,975 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145947477] [2020-07-20 10:43:59,975 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 10:44:00,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:44:00,166 INFO L263 TraceCheckSpWp]: Trace formula consists of 890 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-20 10:44:00,170 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:44:00,246 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:44:00,246 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:44:00,541 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 23 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-07-20 10:44:00,542 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145947477] [2020-07-20 10:44:00,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2020-07-20 10:44:00,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2020-07-20 10:44:00,544 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2023654213] [2020-07-20 10:44:00,546 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-07-20 10:44:00,546 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:44:00,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-07-20 10:44:00,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2020-07-20 10:44:00,552 INFO L87 Difference]: Start difference. First operand 934 states and 1113 transitions. Second operand 10 states. [2020-07-20 10:44:01,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:44:01,490 INFO L93 Difference]: Finished difference Result 1947 states and 2337 transitions. [2020-07-20 10:44:01,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-07-20 10:44:01,492 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2020-07-20 10:44:01,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:44:01,493 INFO L225 Difference]: With dead ends: 1947 [2020-07-20 10:44:01,493 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:44:01,501 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 280 GetRequests, 259 SyntacticMatches, 5 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=83, Invalid=223, Unknown=0, NotChecked=0, Total=306 [2020-07-20 10:44:01,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:44:01,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:44:01,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:44:01,502 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:44:01,502 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 136 [2020-07-20 10:44:01,503 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:44:01,503 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:44:01,503 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-07-20 10:44:01,503 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:44:01,503 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:44:01,714 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:44:01,718 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:44:03,938 WARN L193 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 43 [2020-07-20 10:44:04,255 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 32 [2020-07-20 10:44:04,574 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 24 [2020-07-20 10:44:04,819 WARN L193 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2020-07-20 10:44:05,022 WARN L193 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 26 [2020-07-20 10:44:05,453 WARN L193 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 47 [2020-07-20 10:44:05,734 WARN L193 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 27 [2020-07-20 10:44:05,912 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-07-20 10:44:06,133 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 35 [2020-07-20 10:44:06,342 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2020-07-20 10:44:06,512 WARN L193 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 29 [2020-07-20 10:44:07,075 WARN L193 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2020-07-20 10:44:07,211 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 33 [2020-07-20 10:44:07,475 WARN L193 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 32 [2020-07-20 10:44:07,663 WARN L193 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 24 [2020-07-20 10:44:08,078 WARN L193 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 37 [2020-07-20 10:44:08,275 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 34 [2020-07-20 10:44:08,410 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 30 [2020-07-20 10:44:08,415 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 376) no Hoare annotation was computed. [2020-07-20 10:44:08,415 INFO L268 CegarLoopResult]: For program point L377(lines 354 378) no Hoare annotation was computed. [2020-07-20 10:44:08,415 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 330 385) no Hoare annotation was computed. [2020-07-20 10:44:08,415 INFO L268 CegarLoopResult]: For program point L361(lines 361 365) no Hoare annotation was computed. [2020-07-20 10:44:08,415 INFO L268 CegarLoopResult]: For program point L361-1(lines 361 365) no Hoare annotation was computed. [2020-07-20 10:44:08,416 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 330 385) no Hoare annotation was computed. [2020-07-20 10:44:08,416 INFO L268 CegarLoopResult]: For program point L356(line 356) no Hoare annotation was computed. [2020-07-20 10:44:08,416 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 330 385) no Hoare annotation was computed. [2020-07-20 10:44:08,416 INFO L268 CegarLoopResult]: For program point L418-1(lines 418 422) no Hoare annotation was computed. [2020-07-20 10:44:08,416 INFO L268 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2020-07-20 10:44:08,417 INFO L268 CegarLoopResult]: For program point L412-2(lines 412 437) no Hoare annotation was computed. [2020-07-20 10:44:08,417 INFO L268 CegarLoopResult]: For program point L438(lines 411 439) no Hoare annotation was computed. [2020-07-20 10:44:08,417 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 386 445) no Hoare annotation was computed. [2020-07-20 10:44:08,417 INFO L268 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2020-07-20 10:44:08,417 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 386 445) no Hoare annotation was computed. [2020-07-20 10:44:08,418 INFO L268 CegarLoopResult]: For program point L431-1(line 431) no Hoare annotation was computed. [2020-07-20 10:44:08,418 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 386 445) no Hoare annotation was computed. [2020-07-20 10:44:08,418 INFO L268 CegarLoopResult]: For program point L418(lines 418 422) no Hoare annotation was computed. [2020-07-20 10:44:08,418 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-07-20 10:44:08,418 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-07-20 10:44:08,418 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-07-20 10:44:08,419 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-07-20 10:44:08,419 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-07-20 10:44:08,419 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 816 823) the Hoare annotation is: true [2020-07-20 10:44:08,419 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 816 823) no Hoare annotation was computed. [2020-07-20 10:44:08,419 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 816 823) no Hoare annotation was computed. [2020-07-20 10:44:08,420 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 824 833) the Hoare annotation is: (let ((.cse0 (not (<= ~waterLevel~0 2)))) (and (or (not (<= 1 ~systemActive~0)) (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 (not (<= ~pumpRunning~0 |old(~switchedOnBeforeTS~0)|)) (not (<= 1 ~pumpRunning~0))) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse0 (not (= 0 ~systemActive~0)) (<= 1 ~switchedOnBeforeTS~0) (not (= 0 ~pumpRunning~0))))) [2020-07-20 10:44:08,420 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-07-20 10:44:08,420 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 824 833) no Hoare annotation was computed. [2020-07-20 10:44:08,420 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 824 833) no Hoare annotation was computed. [2020-07-20 10:44:08,420 INFO L264 CegarLoopResult]: At program point L849(line 849) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2) (or .cse1 (not (= 0 ~systemActive~0)) .cse2) (or .cse0 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1)) .cse3) (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse3))) [2020-07-20 10:44:08,420 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 834 862) the Hoare annotation is: true [2020-07-20 10:44:08,421 INFO L268 CegarLoopResult]: For program point L847(lines 847 853) no Hoare annotation was computed. [2020-07-20 10:44:08,421 INFO L268 CegarLoopResult]: For program point L846(lines 846 856) no Hoare annotation was computed. [2020-07-20 10:44:08,421 INFO L264 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: (let ((.cse2 (not (= 0 ~pumpRunning~0))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= ~waterLevel~0 2))) (.cse1 (not (<= 2 ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~systemActive~0)) .cse1 .cse2) (or .cse3 .cse0 .cse1 .cse2) (or .cse3 .cse0 .cse1 (not (<= 1 ~pumpRunning~0))))) [2020-07-20 10:44:08,421 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 834 862) no Hoare annotation was computed. [2020-07-20 10:44:08,424 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-20 10:44:08,425 INFO L268 CegarLoopResult]: For program point L842(lines 842 859) no Hoare annotation was computed. [2020-07-20 10:44:08,425 INFO L268 CegarLoopResult]: For program point L842-1(lines 834 862) no Hoare annotation was computed. [2020-07-20 10:44:08,425 INFO L271 CegarLoopResult]: At program point L840(line 840) the Hoare annotation is: true [2020-07-20 10:44:08,425 INFO L268 CegarLoopResult]: For program point L840-1(line 840) no Hoare annotation was computed. [2020-07-20 10:44:08,425 INFO L264 CegarLoopResult]: At program point L802-1(line 802) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:08,425 INFO L268 CegarLoopResult]: For program point L800(lines 800 807) no Hoare annotation was computed. [2020-07-20 10:44:08,426 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 807) no Hoare annotation was computed. [2020-07-20 10:44:08,426 INFO L268 CegarLoopResult]: For program point L798(line 798) no Hoare annotation was computed. [2020-07-20 10:44:08,426 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 790 812) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:08,426 INFO L264 CegarLoopResult]: At program point L797(line 797) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:08,427 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:08,427 INFO L264 CegarLoopResult]: At program point L796-1(line 796) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:08,427 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 790 812) no Hoare annotation was computed. [2020-07-20 10:44:08,427 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 790 812) no Hoare annotation was computed. [2020-07-20 10:44:08,428 INFO L264 CegarLoopResult]: At program point L802(line 802) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:08,428 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 747 770) no Hoare annotation was computed. [2020-07-20 10:44:08,428 INFO L268 CegarLoopResult]: For program point L765(line 765) no Hoare annotation was computed. [2020-07-20 10:44:08,428 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 747 770) no Hoare annotation was computed. [2020-07-20 10:44:08,428 INFO L268 CegarLoopResult]: For program point L764(line 764) no Hoare annotation was computed. [2020-07-20 10:44:08,428 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 747 770) no Hoare annotation was computed. [2020-07-20 10:44:08,428 INFO L268 CegarLoopResult]: For program point L763(line 763) no Hoare annotation was computed. [2020-07-20 10:44:08,428 INFO L268 CegarLoopResult]: For program point L762(line 762) no Hoare annotation was computed. [2020-07-20 10:44:08,429 INFO L268 CegarLoopResult]: For program point L761(line 761) no Hoare annotation was computed. [2020-07-20 10:44:08,429 INFO L268 CegarLoopResult]: For program point L760(line 760) no Hoare annotation was computed. [2020-07-20 10:44:08,429 INFO L268 CegarLoopResult]: For program point L759(line 759) no Hoare annotation was computed. [2020-07-20 10:44:08,429 INFO L268 CegarLoopResult]: For program point L758(line 758) no Hoare annotation was computed. [2020-07-20 10:44:08,429 INFO L268 CegarLoopResult]: For program point L757(line 757) no Hoare annotation was computed. [2020-07-20 10:44:08,429 INFO L268 CegarLoopResult]: For program point L756(line 756) no Hoare annotation was computed. [2020-07-20 10:44:08,429 INFO L268 CegarLoopResult]: For program point L755(line 755) no Hoare annotation was computed. [2020-07-20 10:44:08,429 INFO L268 CegarLoopResult]: For program point L754(line 754) no Hoare annotation was computed. [2020-07-20 10:44:08,429 INFO L268 CegarLoopResult]: For program point L753(line 753) no Hoare annotation was computed. [2020-07-20 10:44:08,430 INFO L268 CegarLoopResult]: For program point L752(line 752) no Hoare annotation was computed. [2020-07-20 10:44:08,430 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 254 268) no Hoare annotation was computed. [2020-07-20 10:44:08,430 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 254 268) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 .cse3 (= 0 ~pumpRunning~0)) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))) (or .cse3 (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|)) (not (<= ~waterLevel~0 1))))) [2020-07-20 10:44:08,430 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 254 268) no Hoare annotation was computed. [2020-07-20 10:44:08,430 INFO L264 CegarLoopResult]: At program point L260(line 260) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse1 (not (= 0 |old(~pumpRunning~0)|))) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 10:44:08,430 INFO L268 CegarLoopResult]: For program point L258(lines 258 264) no Hoare annotation was computed. [2020-07-20 10:44:08,431 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 190 198) no Hoare annotation was computed. [2020-07-20 10:44:08,431 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 190 198) the Hoare annotation is: true [2020-07-20 10:44:08,431 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 190 198) no Hoare annotation was computed. [2020-07-20 10:44:08,431 INFO L268 CegarLoopResult]: For program point L218(lines 218 226) no Hoare annotation was computed. [2020-07-20 10:44:08,431 INFO L268 CegarLoopResult]: For program point L218-2(lines 218 226) no Hoare annotation was computed. [2020-07-20 10:44:08,431 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 199 234) no Hoare annotation was computed. [2020-07-20 10:44:08,431 INFO L268 CegarLoopResult]: For program point L206(lines 206 214) no Hoare annotation was computed. [2020-07-20 10:44:08,431 INFO L268 CegarLoopResult]: For program point L206-2(lines 206 214) no Hoare annotation was computed. [2020-07-20 10:44:08,431 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 199 234) no Hoare annotation was computed. [2020-07-20 10:44:08,432 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-07-20 10:44:08,432 INFO L268 CegarLoopResult]: For program point L229-1(line 229) no Hoare annotation was computed. [2020-07-20 10:44:08,432 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 199 234) no Hoare annotation was computed. [2020-07-20 10:44:08,432 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-07-20 10:44:08,432 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-07-20 10:44:08,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 284 329) no Hoare annotation was computed. [2020-07-20 10:44:08,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 284 329) no Hoare annotation was computed. [2020-07-20 10:44:08,432 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 284 329) no Hoare annotation was computed. [2020-07-20 10:44:08,432 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 597 642) no Hoare annotation was computed. [2020-07-20 10:44:08,433 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 597 642) no Hoare annotation was computed. [2020-07-20 10:44:08,433 INFO L268 CegarLoopResult]: For program point L617(lines 617 624) no Hoare annotation was computed. [2020-07-20 10:44:08,433 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 597 642) no Hoare annotation was computed. [2020-07-20 10:44:08,433 INFO L268 CegarLoopResult]: For program point L611(lines 611 631) no Hoare annotation was computed. [2020-07-20 10:44:08,433 INFO L268 CegarLoopResult]: For program point L611-1(lines 611 631) no Hoare annotation was computed. [2020-07-20 10:44:08,433 INFO L264 CegarLoopResult]: At program point L784(line 784) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:08,433 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 779 789) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:08,434 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 779 789) no Hoare annotation was computed. [2020-07-20 10:44:08,434 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 779 789) no Hoare annotation was computed. [2020-07-20 10:44:08,434 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 179 189) no Hoare annotation was computed. [2020-07-20 10:44:08,435 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 179 189) no Hoare annotation was computed. [2020-07-20 10:44:08,435 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-20 10:44:08,435 INFO L268 CegarLoopResult]: For program point L184-1(line 184) no Hoare annotation was computed. [2020-07-20 10:44:08,435 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 179 189) no Hoare annotation was computed. [2020-07-20 10:44:08,436 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 171 178) the Hoare annotation is: (let ((.cse0 (not (<= 1 |old(~pumpRunning~0)|))) (.cse1 (not (<= ~waterLevel~0 2))) (.cse2 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 (not (<= 2 ~waterLevel~0)) .cse2) (or .cse0 .cse1 (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse2) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0))))) [2020-07-20 10:44:08,436 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 171 178) no Hoare annotation was computed. [2020-07-20 10:44:08,436 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 171 178) no Hoare annotation was computed. [2020-07-20 10:44:08,436 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 943 956) no Hoare annotation was computed. [2020-07-20 10:44:08,437 INFO L268 CegarLoopResult]: For program point L947(lines 947 953) no Hoare annotation was computed. [2020-07-20 10:44:08,437 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 943 956) the Hoare annotation is: true [2020-07-20 10:44:08,437 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 943 956) no Hoare annotation was computed. [2020-07-20 10:44:08,437 INFO L264 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:08,437 INFO L268 CegarLoopResult]: For program point L157-1(lines 138 162) no Hoare annotation was computed. [2020-07-20 10:44:08,438 INFO L264 CegarLoopResult]: At program point L152(line 152) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (and (= 0 processEnvironment_~tmp~0) (= 0 ~pumpRunning~0)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:08,438 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 138 162) no Hoare annotation was computed. [2020-07-20 10:44:08,438 INFO L264 CegarLoopResult]: At program point L148(line 148) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (and (<= 2 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|))))) [2020-07-20 10:44:08,438 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 138 162) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= 1 ~pumpRunning~0)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:08,438 INFO L268 CegarLoopResult]: For program point L146(lines 146 154) no Hoare annotation was computed. [2020-07-20 10:44:08,438 INFO L264 CegarLoopResult]: At program point L144(line 144) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) (not (<= |old(~pumpRunning~0)| ~switchedOnBeforeTS~0)) (not (<= ~waterLevel~0 1))) (or .cse0 (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:44:08,438 INFO L268 CegarLoopResult]: For program point L144-1(line 144) no Hoare annotation was computed. [2020-07-20 10:44:08,439 INFO L268 CegarLoopResult]: For program point L142(lines 142 159) no Hoare annotation was computed. [2020-07-20 10:44:08,439 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 130 136) no Hoare annotation was computed. [2020-07-20 10:44:08,439 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 130 136) the Hoare annotation is: true [2020-07-20 10:44:08,439 INFO L264 CegarLoopResult]: At program point L704(lines 657 706) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:08,439 INFO L264 CegarLoopResult]: At program point testENTRY(lines 647 714) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:08,439 INFO L264 CegarLoopResult]: At program point L669(line 669) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse3 (<= ~waterLevel~0 2)) (.cse0 (<= test_~splverifierCounter~0 0)) (.cse1 (<= 1 ~systemActive~0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse0 .cse1 .cse2) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse3 .cse4 .cse0 .cse1) (and (= 0 ~systemActive~0) .cse3 .cse4 .cse0) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse3 .cse0 .cse1 .cse2))) [2020-07-20 10:44:08,440 INFO L268 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2020-07-20 10:44:08,440 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-07-20 10:44:08,440 INFO L268 CegarLoopResult]: For program point testFINAL(lines 647 714) no Hoare annotation was computed. [2020-07-20 10:44:08,440 INFO L268 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2020-07-20 10:44:08,440 INFO L264 CegarLoopResult]: At program point L707(lines 656 708) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-20 10:44:08,440 INFO L264 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:08,440 INFO L268 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-07-20 10:44:08,441 INFO L264 CegarLoopResult]: At program point L695-1(lines 687 702) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:08,441 INFO L268 CegarLoopResult]: For program point L658(lines 657 706) no Hoare annotation was computed. [2020-07-20 10:44:08,441 INFO L264 CegarLoopResult]: At program point L689(line 689) the Hoare annotation is: (let ((.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~pumpRunning~0))) (or (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (and .cse0 (= 0 ~pumpRunning~0) .cse1) (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) (<= ~waterLevel~0 1) .cse1 .cse2) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-20 10:44:08,441 INFO L268 CegarLoopResult]: For program point L687(lines 687 702) no Hoare annotation was computed. [2020-07-20 10:44:08,441 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (let ((.cse4 (= 0 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse1 (<= test_~splverifierCounter~0 0)) (.cse2 (<= 1 ~systemActive~0)) (.cse3 (<= 1 ~pumpRunning~0))) (or (and (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse0 .cse1 .cse2 .cse3) (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (and .cse0 .cse4 .cse1 .cse2) (and (= 0 ~systemActive~0) .cse0 .cse4 .cse1) (not (<= 1 |old(~systemActive~0)|)) (and (<= 2 ~waterLevel~0) .cse0 .cse1 .cse2 .cse3))) [2020-07-20 10:44:08,442 INFO L268 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2020-07-20 10:44:08,442 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2020-07-20 10:44:08,442 INFO L268 CegarLoopResult]: For program point testEXIT(lines 647 714) no Hoare annotation was computed. [2020-07-20 10:44:08,442 INFO L268 CegarLoopResult]: For program point L571(lines 571 578) no Hoare annotation was computed. [2020-07-20 10:44:08,442 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 551 596) no Hoare annotation was computed. [2020-07-20 10:44:08,442 INFO L268 CegarLoopResult]: For program point L565(lines 565 585) no Hoare annotation was computed. [2020-07-20 10:44:08,442 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 551 596) no Hoare annotation was computed. [2020-07-20 10:44:08,442 INFO L268 CegarLoopResult]: For program point L565-1(lines 565 585) no Hoare annotation was computed. [2020-07-20 10:44:08,443 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 551 596) no Hoare annotation was computed. [2020-07-20 10:44:08,443 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 911 933) no Hoare annotation was computed. [2020-07-20 10:44:08,443 INFO L268 CegarLoopResult]: For program point L919(lines 919 927) no Hoare annotation was computed. [2020-07-20 10:44:08,443 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 911 933) no Hoare annotation was computed. [2020-07-20 10:44:08,443 INFO L268 CegarLoopResult]: For program point L919-2(lines 919 927) no Hoare annotation was computed. [2020-07-20 10:44:08,443 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 911 933) no Hoare annotation was computed. [2020-07-20 10:44:08,443 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:44:08,443 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:44:08,444 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-07-20 10:44:08,444 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 448 550) no Hoare annotation was computed. [2020-07-20 10:44:08,444 INFO L268 CegarLoopResult]: For program point L477(lines 477 493) no Hoare annotation was computed. [2020-07-20 10:44:08,444 INFO L268 CegarLoopResult]: For program point L537(lines 537 544) no Hoare annotation was computed. [2020-07-20 10:44:08,444 INFO L268 CegarLoopResult]: For program point L498(lines 497 517) no Hoare annotation was computed. [2020-07-20 10:44:08,444 INFO L268 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2020-07-20 10:44:08,444 INFO L268 CegarLoopResult]: For program point L529-1(line 529) no Hoare annotation was computed. [2020-07-20 10:44:08,444 INFO L268 CegarLoopResult]: For program point L494(lines 494 535) no Hoare annotation was computed. [2020-07-20 10:44:08,445 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 448 550) no Hoare annotation was computed. [2020-07-20 10:44:08,445 INFO L268 CegarLoopResult]: For program point L513(line 513) no Hoare annotation was computed. [2020-07-20 10:44:08,445 INFO L268 CegarLoopResult]: For program point L513-1(line 513) no Hoare annotation was computed. [2020-07-20 10:44:08,445 INFO L268 CegarLoopResult]: For program point L472(lines 472 476) no Hoare annotation was computed. [2020-07-20 10:44:08,446 INFO L268 CegarLoopResult]: For program point L536(lines 536 547) no Hoare annotation was computed. [2020-07-20 10:44:08,446 INFO L268 CegarLoopResult]: For program point L499(lines 499 503) no Hoare annotation was computed. [2020-07-20 10:44:08,446 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 448 550) no Hoare annotation was computed. [2020-07-20 10:44:08,446 INFO L268 CegarLoopResult]: For program point L497-2(lines 497 517) no Hoare annotation was computed. [2020-07-20 10:44:08,446 INFO L268 CegarLoopResult]: For program point L518(lines 496 519) no Hoare annotation was computed. [2020-07-20 10:44:08,446 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:08,446 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 10:44:08,447 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:08,447 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 163 170) no Hoare annotation was computed. [2020-07-20 10:44:08,447 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 163 170) no Hoare annotation was computed. [2020-07-20 10:44:08,447 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 163 170) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= ~waterLevel~0 2)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0) (not (<= 2 ~waterLevel~0))) [2020-07-20 10:44:08,447 INFO L268 CegarLoopResult]: For program point L242-1(line 242) no Hoare annotation was computed. [2020-07-20 10:44:08,447 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 235 253) no Hoare annotation was computed. [2020-07-20 10:44:08,447 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 235 253) the Hoare annotation is: true [2020-07-20 10:44:08,447 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 235 253) no Hoare annotation was computed. [2020-07-20 10:44:08,448 INFO L268 CegarLoopResult]: For program point L244(lines 244 248) no Hoare annotation was computed. [2020-07-20 10:44:08,448 INFO L271 CegarLoopResult]: At program point L242(line 242) the Hoare annotation is: true [2020-07-20 10:44:08,448 INFO L268 CegarLoopResult]: For program point L244-2(lines 244 248) no Hoare annotation was computed. [2020-07-20 10:44:08,448 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 934 942) the Hoare annotation is: true [2020-07-20 10:44:08,448 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 934 942) no Hoare annotation was computed. [2020-07-20 10:44:08,448 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 934 942) no Hoare annotation was computed. [2020-07-20 10:44:08,448 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:08,448 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:44:08,448 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:08,448 INFO L268 CegarLoopResult]: For program point L894-1(lines 890 901) no Hoare annotation was computed. [2020-07-20 10:44:08,449 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 890 901) the Hoare annotation is: true [2020-07-20 10:44:08,449 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 890 901) no Hoare annotation was computed. [2020-07-20 10:44:08,449 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 902 910) no Hoare annotation was computed. [2020-07-20 10:44:08,449 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 902 910) no Hoare annotation was computed. [2020-07-20 10:44:08,450 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 902 910) no Hoare annotation was computed. [2020-07-20 10:44:08,450 INFO L264 CegarLoopResult]: At program point L119(line 119) the Hoare annotation is: (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 |old(~pumpRunning~0)|))) (.cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse4 (not (<= |old(~waterLevel~0)| 2)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (not (= 0 ~systemActive~0)) .cse3 .cse4) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 .cse5 (and .cse6 .cse2 .cse7)) (or .cse1 (and (<= ~waterLevel~0 2) (= 0 ~pumpRunning~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) .cse3 .cse4) (or .cse1 .cse5 (and .cse6 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse7) .cse4 (not (<= 2 |old(~waterLevel~0)|))))) [2020-07-20 10:44:08,450 INFO L264 CegarLoopResult]: At program point L117(lines 117 123) the Hoare annotation is: (let ((.cse2 (not (= 0 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse1 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse7 (not (<= 1 ~systemActive~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse9 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse10 (<= 1 ~pumpRunning~0)) (.cse6 (not (<= |old(~waterLevel~0)| 2))) (.cse12 (not (<= 2 |old(~waterLevel~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or (and (<= ~waterLevel~0 2) .cse4 .cse5) .cse2 .cse3 .cse6) (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse7 .cse8 (and .cse9 .cse1 .cse10)) (let ((.cse11 (<= 2 ~waterLevel~0))) (or .cse7 (and .cse11 .cse1 .cse4) .cse3 (and .cse11 .cse1 .cse10) .cse6 .cse12)) (or .cse0 .cse7 (and .cse1 .cse4 .cse5) .cse3) (or .cse7 .cse8 (and .cse9 (<= 1 ~waterLevel~0) (<= ~waterLevel~0 1) .cse10) .cse6 .cse12))) [2020-07-20 10:44:08,451 INFO L264 CegarLoopResult]: At program point L112(line 112) the Hoare annotation is: (let ((.cse2 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (.cse4 (<= 1 ~pumpRunning~0)) (.cse3 (<= |old(~waterLevel~0)| ~waterLevel~0)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|)) .cse0 .cse1 (and .cse2 (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse3 .cse4) .cse5) (or (not (= 0 ~systemActive~0)) .cse6 .cse5) (or (and .cse2 (<= ~waterLevel~0 2) .cse4 .cse3) .cse0 .cse1 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse0 .cse6 .cse5))) [2020-07-20 10:44:08,451 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 103 129) the Hoare annotation is: (let ((.cse8 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse12 (= 0 ~pumpRunning~0)) (.cse2 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse1 (<= 1 ~pumpRunning~0)) (.cse0 (<= ~waterLevel~0 2)) (.cse10 (not (= 0 ~systemActive~0))) (.cse7 (not (<= |old(~waterLevel~0)| 1))) (.cse9 (and .cse8 .cse12 .cse2)) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse6 (not (<= |old(~pumpRunning~0)| |old(~switchedOnBeforeTS~0)|))) (.cse3 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 |old(~pumpRunning~0)|))) (.cse5 (not (<= |old(~waterLevel~0)| 2)))) (and (or (and .cse0 .cse1 .cse2) .cse3 .cse4 .cse5 (not (<= 2 |old(~waterLevel~0)|))) (or .cse6 .cse7 .cse3 .cse4 (and .cse8 .cse1 .cse2)) (or .cse9 .cse10 .cse11 .cse5) (or .cse3 (and .cse0 .cse12 .cse2) .cse11 .cse5) (or (not (<= 1 |old(~switchedOnBeforeTS~0)|)) .cse10 .cse11 (<= 1 ~switchedOnBeforeTS~0) .cse5) (or .cse7 .cse3 .cse9 .cse11) (or .cse6 (<= ~pumpRunning~0 ~switchedOnBeforeTS~0) .cse3 .cse4 .cse5)))) [2020-07-20 10:44:08,451 INFO L268 CegarLoopResult]: For program point L110(lines 106 128) no Hoare annotation was computed. [2020-07-20 10:44:08,451 INFO L268 CegarLoopResult]: For program point L108(lines 106 128) no Hoare annotation was computed. [2020-07-20 10:44:08,451 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 103 129) no Hoare annotation was computed. [2020-07-20 10:44:08,451 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 103 129) no Hoare annotation was computed. [2020-07-20 10:44:08,451 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 717 746) no Hoare annotation was computed. [2020-07-20 10:44:08,452 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 717 746) the Hoare annotation is: true [2020-07-20 10:44:08,452 INFO L268 CegarLoopResult]: For program point L731(lines 731 735) no Hoare annotation was computed. [2020-07-20 10:44:08,453 INFO L271 CegarLoopResult]: At program point L731-1(lines 731 735) the Hoare annotation is: true [2020-07-20 10:44:08,453 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-20 10:44:08,453 INFO L271 CegarLoopResult]: At program point L727-2(lines 727 741) the Hoare annotation is: true [2020-07-20 10:44:08,453 INFO L271 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: true [2020-07-20 10:44:08,453 INFO L268 CegarLoopResult]: For program point L723-1(line 723) no Hoare annotation was computed. [2020-07-20 10:44:08,453 INFO L271 CegarLoopResult]: At program point L742(lines 717 746) the Hoare annotation is: true [2020-07-20 10:44:08,453 INFO L268 CegarLoopResult]: For program point L738(line 738) no Hoare annotation was computed. [2020-07-20 10:44:08,454 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 866 877) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= |old(~waterLevel~0)| 2)) (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) (not (<= 1 ~pumpRunning~0)) (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0))) [2020-07-20 10:44:08,454 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 866 877) no Hoare annotation was computed. [2020-07-20 10:44:08,454 INFO L268 CegarLoopResult]: For program point L870-1(lines 866 877) no Hoare annotation was computed. [2020-07-20 10:44:08,454 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 771 777) no Hoare annotation was computed. [2020-07-20 10:44:08,454 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 771 777) the Hoare annotation is: true [2020-07-20 10:44:08,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:44:08,454 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-20 10:44:08,454 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:44:08,454 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:44:08,455 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 269 276) no Hoare annotation was computed. [2020-07-20 10:44:08,455 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 269 276) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= 0 |old(~systemActive~0)|)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-20 10:44:08,455 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 269 276) no Hoare annotation was computed. [2020-07-20 10:44:08,455 INFO L268 CegarLoopResult]: For program point L882-1(lines 878 889) no Hoare annotation was computed. [2020-07-20 10:44:08,455 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 878 889) no Hoare annotation was computed. [2020-07-20 10:44:08,455 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 878 889) the Hoare annotation is: (let ((.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (<= |old(~waterLevel~0)| 1))) (.cse2 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) .cse7)) (.cse1 (not (= 0 ~pumpRunning~0))) (.cse4 (not (<= 1 ~systemActive~0))) (.cse0 (not (<= |old(~waterLevel~0)| 2))) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse6 (and (<= ~waterLevel~0 2) .cse7))) (and (or (not (= 0 ~systemActive~0)) .cse0 .cse1 .cse2) (or .cse3 .cse4 .cse1 .cse2) (or .cse3 .cse4 (not (<= ~pumpRunning~0 ~switchedOnBeforeTS~0)) .cse5 .cse2) (or .cse4 .cse0 .cse1 .cse6) (or .cse4 .cse0 .cse5 (not (<= 2 |old(~waterLevel~0)|)) .cse6)))) [2020-07-20 10:44:08,455 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-07-20 10:44:08,456 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-07-20 10:44:08,456 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-07-20 10:44:08,456 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-07-20 10:44:08,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:44:08 BoogieIcfgContainer [2020-07-20 10:44:08,483 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:44:08,485 INFO L168 Benchmark]: Toolchain (without parser) took 19221.18 ms. Allocated memory was 138.4 MB in the beginning and 463.5 MB in the end (delta: 325.1 MB). Free memory was 100.8 MB in the beginning and 381.7 MB in the end (delta: -280.9 MB). Peak memory consumption was 339.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:08,486 INFO L168 Benchmark]: CDTParser took 0.18 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 10:44:08,488 INFO L168 Benchmark]: CACSL2BoogieTranslator took 700.70 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 173.0 MB in the end (delta: -72.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:08,498 INFO L168 Benchmark]: Boogie Preprocessor took 81.72 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:08,498 INFO L168 Benchmark]: RCFGBuilder took 1258.03 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.9 MB in the beginning and 199.6 MB in the end (delta: -30.7 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:08,501 INFO L168 Benchmark]: TraceAbstraction took 17174.79 ms. Allocated memory was 235.9 MB in the beginning and 463.5 MB in the end (delta: 227.5 MB). Free memory was 198.2 MB in the beginning and 381.7 MB in the end (delta: -183.5 MB). Peak memory consumption was 339.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:44:08,509 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 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 700.70 ms. Allocated memory was 138.4 MB in the beginning and 203.4 MB in the end (delta: 65.0 MB). Free memory was 100.4 MB in the beginning and 173.0 MB in the end (delta: -72.6 MB). Peak memory consumption was 29.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 81.72 ms. Allocated memory is still 203.4 MB. Free memory was 173.0 MB in the beginning and 168.9 MB in the end (delta: 4.1 MB). Peak memory consumption was 4.1 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1258.03 ms. Allocated memory was 203.4 MB in the beginning and 235.9 MB in the end (delta: 32.5 MB). Free memory was 168.9 MB in the beginning and 199.6 MB in the end (delta: -30.7 MB). Peak memory consumption was 85.9 MB. Max. memory is 7.1 GB. * TraceAbstraction took 17174.79 ms. Allocated memory was 235.9 MB in the beginning and 463.5 MB in the end (delta: 227.5 MB). Free memory was 198.2 MB in the beginning and 381.7 MB in the end (delta: -183.5 MB). Peak memory consumption was 339.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 717]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: ((!(\old(waterLevel) <= 1) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 657]: Loop Invariant Derived loop invariant: ((((((!(\old(waterLevel) <= 1) || ((((pumpRunning <= switchedOnBeforeTS && waterLevel <= 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || (((waterLevel <= 2 && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((0 == systemActive && waterLevel <= 2) && 0 == pumpRunning) && splverifierCounter <= 0)) || !(1 <= \old(systemActive))) || ((((2 <= waterLevel && waterLevel <= 2) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning) - InvariantResult [Line: 727]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 41 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 10.3s, OverallIterations: 11, TraceHistogramMax: 3, AutomataDifference: 4.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1875 SDtfs, 1400 SDslu, 3129 SDs, 0 SdLazy, 2040 SolverSat, 611 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1122 GetRequests, 1055 SyntacticMatches, 7 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129 ImplicationChecksByTransitivity, 0.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1275occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.5s AutomataMinimizationTime, 11 MinimizatonAttempts, 731 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 58 LocationsWithAnnotation, 3128 PreInvPairs, 3277 NumberOfFragments, 1912 HoareAnnotationTreeSize, 3128 FomulaSimplifications, 7736 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 58 FomulaSimplificationsInter, 13203 FormulaSimplificationTreeSizeReductionInter, 5.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 971 NumberOfCodeBlocks, 971 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 1095 ConstructedInterpolants, 0 QuantifiedInterpolants, 199059 SizeOfPredicates, 30 NumberOfNonLiveVariables, 8512 ConjunctsInSsa, 94 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 121/139 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...