/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:36:07,769 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:36:07,771 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:36:07,791 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:36:07,791 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:36:07,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:36:07,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:36:07,807 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:36:07,811 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:36:07,813 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:36:07,814 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:36:07,816 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:36:07,817 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:36:07,820 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:36:07,823 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:36:07,824 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:36:07,825 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:36:07,827 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:36:07,829 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:36:07,834 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:36:07,840 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:36:07,841 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:36:07,844 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:36:07,845 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:36:07,848 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:36:07,848 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:36:07,848 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:36:07,851 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:36:07,851 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:36:07,852 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:36:07,853 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:36:07,853 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:36:07,854 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:36:07,855 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:36:07,860 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:36:07,860 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:36:07,861 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:36:07,861 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:36:07,861 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:36:07,862 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:36:07,864 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:36:07,864 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 [2020-07-21 10:36:07,883 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:36:07,883 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:36:07,885 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:36:07,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:36:07,885 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:36:07,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:36:07,885 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:36:07,886 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:36:07,886 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:36:07,886 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:36:07,886 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:36:07,886 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:36:07,887 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:36:07,887 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:36:07,887 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:36:07,887 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:36:07,887 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:36:07,888 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:36:07,888 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:36:07,888 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:36:07,888 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:36:07,888 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:36:07,889 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:36:07,889 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:36:07,889 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:36:07,889 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:36:07,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:07,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:36:07,890 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:36:07,890 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 [2020-07-21 10:36:08,166 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:36:08,178 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:36:08,181 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:36:08,183 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:36:08,183 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:36:08,184 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-07-21 10:36:08,255 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf782d4d/120c59856f554152b8114c9b807b3bf7/FLAG8f1aace91 [2020-07-21 10:36:08,835 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:36:08,836 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec2_product39.cil.c [2020-07-21 10:36:08,849 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf782d4d/120c59856f554152b8114c9b807b3bf7/FLAG8f1aace91 [2020-07-21 10:36:09,099 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ebf782d4d/120c59856f554152b8114c9b807b3bf7 [2020-07-21 10:36:09,108 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:36:09,110 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:36:09,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:36:09,111 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:36:09,115 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:36:09,116 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:09" (1/1) ... [2020-07-21 10:36:09,119 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@451c7bad and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09, skipping insertion in model container [2020-07-21 10:36:09,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:36:09" (1/1) ... [2020-07-21 10:36:09,127 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:36:09,195 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:36:09,527 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:36:09,650 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:36:09,830 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:36:09,871 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:36:09,873 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09 WrapperNode [2020-07-21 10:36:09,873 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:36:09,874 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:36:09,874 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:36:09,874 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:36:09,884 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09" (1/1) ... [2020-07-21 10:36:09,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09" (1/1) ... [2020-07-21 10:36:09,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09" (1/1) ... [2020-07-21 10:36:09,904 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09" (1/1) ... [2020-07-21 10:36:09,939 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09" (1/1) ... [2020-07-21 10:36:09,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09" (1/1) ... [2020-07-21 10:36:09,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09" (1/1) ... [2020-07-21 10:36:09,963 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:36:09,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:36:09,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:36:09,964 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:36:09,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09" (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 [2020-07-21 10:36:10,034 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:36:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:36:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:36:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:36:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:36:10,035 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:36:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:36:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:36:10,036 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:36:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-21 10:36:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:36:10,037 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:36:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:36:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:36:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:36:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-07-21 10:36:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-07-21 10:36:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:36:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:36:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:36:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:36:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:36:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:36:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:36:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:36:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:36:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:36:10,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:36:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-21 10:36:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:36:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:36:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:36:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:36:10,042 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:36:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:36:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:36:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:36:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:36:10,043 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:36:10,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:36:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:36:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:36:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:36:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:36:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:36:10,044 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:36:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:36:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:36:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:36:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-21 10:36:10,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:36:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:36:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:36:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:36:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:36:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:36:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-07-21 10:36:10,046 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:36:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:36:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:36:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:36:10,047 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:36:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:36:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:36:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:36:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-07-21 10:36:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:36:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:36:10,048 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:36:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:36:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:36:10,049 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-21 10:36:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__highWaterSensor [2020-07-21 10:36:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:36:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:36:10,050 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:36:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:36:10,059 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:36:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:36:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:36:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:36:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:36:10,060 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:36:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:36:10,061 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:36:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:36:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:36:10,062 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:36:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:36:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:36:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:36:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:36:10,063 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:36:10,064 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:36:11,175 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:36:11,176 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:36:11,184 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:11 BoogieIcfgContainer [2020-07-21 10:36:11,184 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:36:11,185 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:36:11,185 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:36:11,189 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:36:11,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:36:09" (1/3) ... [2020-07-21 10:36:11,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef748c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:11, skipping insertion in model container [2020-07-21 10:36:11,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:36:09" (2/3) ... [2020-07-21 10:36:11,191 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ef748c1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:36:11, skipping insertion in model container [2020-07-21 10:36:11,191 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:36:11" (3/3) ... [2020-07-21 10:36:11,193 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product39.cil.c [2020-07-21 10:36:11,204 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:36:11,213 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:36:11,228 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:36:11,251 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:36:11,251 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:36:11,251 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:36:11,251 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:36:11,252 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:36:11,252 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:36:11,252 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:36:11,252 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:36:11,276 INFO L276 IsEmpty]: Start isEmpty. Operand 177 states. [2020-07-21 10:36:11,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-07-21 10:36:11,286 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:11,287 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:11,288 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:11,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:11,294 INFO L82 PathProgramCache]: Analyzing trace with hash 652232891, now seen corresponding path program 1 times [2020-07-21 10:36:11,303 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:11,303 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [970184792] [2020-07-21 10:36:11,303 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 [2020-07-21 10:36:11,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:11,544 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:36:11,553 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:11,590 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:11,590 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:11,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [970184792] [2020-07-21 10:36:11,593 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:11,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:36:11,594 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2055348647] [2020-07-21 10:36:11,601 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:36:11,602 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:11,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:36:11,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:36:11,623 INFO L87 Difference]: Start difference. First operand 177 states. Second operand 2 states. [2020-07-21 10:36:11,672 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:11,672 INFO L93 Difference]: Finished difference Result 264 states and 331 transitions. [2020-07-21 10:36:11,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:36:11,674 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 51 [2020-07-21 10:36:11,675 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:11,690 INFO L225 Difference]: With dead ends: 264 [2020-07-21 10:36:11,690 INFO L226 Difference]: Without dead ends: 134 [2020-07-21 10:36:11,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:36:11,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2020-07-21 10:36:11,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 134. [2020-07-21 10:36:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 134 states. [2020-07-21 10:36:11,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 159 transitions. [2020-07-21 10:36:11,755 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 159 transitions. Word has length 51 [2020-07-21 10:36:11,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:11,756 INFO L479 AbstractCegarLoop]: Abstraction has 134 states and 159 transitions. [2020-07-21 10:36:11,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:36:11,756 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 159 transitions. [2020-07-21 10:36:11,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:36:11,760 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:11,761 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:11,975 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:11,976 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:11,977 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:11,977 INFO L82 PathProgramCache]: Analyzing trace with hash -564528421, now seen corresponding path program 1 times [2020-07-21 10:36:11,978 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:11,978 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [860891378] [2020-07-21 10:36:11,979 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 [2020-07-21 10:36:12,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:12,207 INFO L263 TraceCheckSpWp]: Trace formula consists of 687 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:36:12,216 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:12,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:12,275 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:12,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [860891378] [2020-07-21 10:36:12,275 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:12,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:12,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742907225] [2020-07-21 10:36:12,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:12,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:12,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:12,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:12,280 INFO L87 Difference]: Start difference. First operand 134 states and 159 transitions. Second operand 3 states. [2020-07-21 10:36:12,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:12,325 INFO L93 Difference]: Finished difference Result 207 states and 245 transitions. [2020-07-21 10:36:12,326 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:12,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 10:36:12,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:12,330 INFO L225 Difference]: With dead ends: 207 [2020-07-21 10:36:12,331 INFO L226 Difference]: Without dead ends: 125 [2020-07-21 10:36:12,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:12,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-07-21 10:36:12,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2020-07-21 10:36:12,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 125 states. [2020-07-21 10:36:12,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 147 transitions. [2020-07-21 10:36:12,349 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 147 transitions. Word has length 52 [2020-07-21 10:36:12,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:12,350 INFO L479 AbstractCegarLoop]: Abstraction has 125 states and 147 transitions. [2020-07-21 10:36:12,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:12,350 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 147 transitions. [2020-07-21 10:36:12,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-07-21 10:36:12,353 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:12,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:12,566 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:12,567 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:12,567 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:12,567 INFO L82 PathProgramCache]: Analyzing trace with hash -1211879035, now seen corresponding path program 1 times [2020-07-21 10:36:12,568 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:12,568 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1720959092] [2020-07-21 10:36:12,568 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 [2020-07-21 10:36:12,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:12,751 INFO L263 TraceCheckSpWp]: Trace formula consists of 690 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:36:12,755 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:12,782 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:12,783 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:12,783 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1720959092] [2020-07-21 10:36:12,783 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:12,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:12,784 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476334056] [2020-07-21 10:36:12,784 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:12,785 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:12,785 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:12,785 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:12,785 INFO L87 Difference]: Start difference. First operand 125 states and 147 transitions. Second operand 3 states. [2020-07-21 10:36:12,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:12,816 INFO L93 Difference]: Finished difference Result 317 states and 385 transitions. [2020-07-21 10:36:12,817 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:12,817 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2020-07-21 10:36:12,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:12,821 INFO L225 Difference]: With dead ends: 317 [2020-07-21 10:36:12,821 INFO L226 Difference]: Without dead ends: 220 [2020-07-21 10:36:12,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:12,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 220 states. [2020-07-21 10:36:12,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 220 to 216. [2020-07-21 10:36:12,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 216 states. [2020-07-21 10:36:12,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 261 transitions. [2020-07-21 10:36:12,849 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 261 transitions. Word has length 56 [2020-07-21 10:36:12,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:12,849 INFO L479 AbstractCegarLoop]: Abstraction has 216 states and 261 transitions. [2020-07-21 10:36:12,850 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:12,850 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 261 transitions. [2020-07-21 10:36:12,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-07-21 10:36:12,853 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:12,853 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:13,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:13,067 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:13,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:13,068 INFO L82 PathProgramCache]: Analyzing trace with hash -773448372, now seen corresponding path program 1 times [2020-07-21 10:36:13,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:13,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [514742012] [2020-07-21 10:36:13,070 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 [2020-07-21 10:36:13,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:13,277 INFO L263 TraceCheckSpWp]: Trace formula consists of 711 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-21 10:36:13,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:13,303 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:13,304 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:13,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [514742012] [2020-07-21 10:36:13,305 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:13,305 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:13,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514614739] [2020-07-21 10:36:13,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:13,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:13,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:13,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:13,307 INFO L87 Difference]: Start difference. First operand 216 states and 261 transitions. Second operand 3 states. [2020-07-21 10:36:13,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:13,349 INFO L93 Difference]: Finished difference Result 404 states and 502 transitions. [2020-07-21 10:36:13,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:13,349 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2020-07-21 10:36:13,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:13,355 INFO L225 Difference]: With dead ends: 404 [2020-07-21 10:36:13,355 INFO L226 Difference]: Without dead ends: 401 [2020-07-21 10:36:13,356 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:13,357 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 401 states. [2020-07-21 10:36:13,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 401 to 401. [2020-07-21 10:36:13,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 401 states. [2020-07-21 10:36:13,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 498 transitions. [2020-07-21 10:36:13,394 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 498 transitions. Word has length 62 [2020-07-21 10:36:13,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:13,395 INFO L479 AbstractCegarLoop]: Abstraction has 401 states and 498 transitions. [2020-07-21 10:36:13,395 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:13,395 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 498 transitions. [2020-07-21 10:36:13,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2020-07-21 10:36:13,405 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:13,406 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:13,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:13,622 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:13,623 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:13,623 INFO L82 PathProgramCache]: Analyzing trace with hash 2090962532, now seen corresponding path program 1 times [2020-07-21 10:36:13,624 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:13,624 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [195485383] [2020-07-21 10:36:13,625 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 [2020-07-21 10:36:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:13,814 INFO L263 TraceCheckSpWp]: Trace formula consists of 791 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:36:13,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:13,868 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2020-07-21 10:36:13,868 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:13,868 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [195485383] [2020-07-21 10:36:13,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:13,869 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:36:13,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1419062451] [2020-07-21 10:36:13,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:13,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:13,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:13,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:36:13,871 INFO L87 Difference]: Start difference. First operand 401 states and 498 transitions. Second operand 6 states. [2020-07-21 10:36:14,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:14,170 INFO L93 Difference]: Finished difference Result 938 states and 1226 transitions. [2020-07-21 10:36:14,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:36:14,171 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 92 [2020-07-21 10:36:14,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:14,176 INFO L225 Difference]: With dead ends: 938 [2020-07-21 10:36:14,177 INFO L226 Difference]: Without dead ends: 565 [2020-07-21 10:36:14,179 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:14,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 565 states. [2020-07-21 10:36:14,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 565 to 527. [2020-07-21 10:36:14,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 527 states. [2020-07-21 10:36:14,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 527 states to 527 states and 660 transitions. [2020-07-21 10:36:14,218 INFO L78 Accepts]: Start accepts. Automaton has 527 states and 660 transitions. Word has length 92 [2020-07-21 10:36:14,219 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:14,219 INFO L479 AbstractCegarLoop]: Abstraction has 527 states and 660 transitions. [2020-07-21 10:36:14,219 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:14,219 INFO L276 IsEmpty]: Start isEmpty. Operand 527 states and 660 transitions. [2020-07-21 10:36:14,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2020-07-21 10:36:14,222 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:14,223 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:14,436 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:14,437 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:14,437 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:14,437 INFO L82 PathProgramCache]: Analyzing trace with hash -222774057, now seen corresponding path program 1 times [2020-07-21 10:36:14,437 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:14,438 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1564751367] [2020-07-21 10:36:14,438 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 [2020-07-21 10:36:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:14,610 INFO L263 TraceCheckSpWp]: Trace formula consists of 863 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-21 10:36:14,614 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:14,641 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-21 10:36:14,641 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:14,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1564751367] [2020-07-21 10:36:14,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:14,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:14,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1776434989] [2020-07-21 10:36:14,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:14,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:14,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:14,644 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:14,644 INFO L87 Difference]: Start difference. First operand 527 states and 660 transitions. Second operand 3 states. [2020-07-21 10:36:14,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:14,751 INFO L93 Difference]: Finished difference Result 582 states and 730 transitions. [2020-07-21 10:36:14,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:14,752 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 124 [2020-07-21 10:36:14,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:14,754 INFO L225 Difference]: With dead ends: 582 [2020-07-21 10:36:14,754 INFO L226 Difference]: Without dead ends: 268 [2020-07-21 10:36:14,756 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:14,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2020-07-21 10:36:14,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 268. [2020-07-21 10:36:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 268 states. [2020-07-21 10:36:14,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 268 states and 322 transitions. [2020-07-21 10:36:14,771 INFO L78 Accepts]: Start accepts. Automaton has 268 states and 322 transitions. Word has length 124 [2020-07-21 10:36:14,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:14,771 INFO L479 AbstractCegarLoop]: Abstraction has 268 states and 322 transitions. [2020-07-21 10:36:14,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:14,772 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 322 transitions. [2020-07-21 10:36:14,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-21 10:36:14,774 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:14,774 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:14,987 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:14,988 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:14,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:14,989 INFO L82 PathProgramCache]: Analyzing trace with hash 1494346770, now seen corresponding path program 1 times [2020-07-21 10:36:14,989 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:14,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [480616214] [2020-07-21 10:36:14,990 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 [2020-07-21 10:36:15,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:15,184 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 10 conjunts are in the unsatisfiable core [2020-07-21 10:36:15,190 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:15,303 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:36:15,303 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:15,304 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [480616214] [2020-07-21 10:36:15,304 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:15,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:36:15,305 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1936020259] [2020-07-21 10:36:15,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:15,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:15,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:15,307 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:36:15,307 INFO L87 Difference]: Start difference. First operand 268 states and 322 transitions. Second operand 6 states. [2020-07-21 10:36:16,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:16,071 INFO L93 Difference]: Finished difference Result 934 states and 1299 transitions. [2020-07-21 10:36:16,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:36:16,072 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2020-07-21 10:36:16,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:16,078 INFO L225 Difference]: With dead ends: 934 [2020-07-21 10:36:16,079 INFO L226 Difference]: Without dead ends: 694 [2020-07-21 10:36:16,080 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 138 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:16,081 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2020-07-21 10:36:16,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 652. [2020-07-21 10:36:16,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 652 states. [2020-07-21 10:36:16,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 652 states and 853 transitions. [2020-07-21 10:36:16,123 INFO L78 Accepts]: Start accepts. Automaton has 652 states and 853 transitions. Word has length 142 [2020-07-21 10:36:16,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:16,124 INFO L479 AbstractCegarLoop]: Abstraction has 652 states and 853 transitions. [2020-07-21 10:36:16,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:16,124 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 853 transitions. [2020-07-21 10:36:16,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 10:36:16,128 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:16,128 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:16,342 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:16,343 INFO L427 AbstractCegarLoop]: === Iteration 8 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:16,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:16,344 INFO L82 PathProgramCache]: Analyzing trace with hash -497527123, now seen corresponding path program 1 times [2020-07-21 10:36:16,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:16,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [410731524] [2020-07-21 10:36:16,345 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 [2020-07-21 10:36:16,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:16,546 INFO L263 TraceCheckSpWp]: Trace formula consists of 900 conjuncts, 17 conjunts are in the unsatisfiable core [2020-07-21 10:36:16,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:16,637 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 33 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2020-07-21 10:36:16,637 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:16,850 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:16,880 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-21 10:36:16,967 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2020-07-21 10:36:16,968 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [410731524] [2020-07-21 10:36:16,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:16,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 12 [2020-07-21 10:36:16,969 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1996095308] [2020-07-21 10:36:16,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:36:16,969 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:16,970 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:36:16,970 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=88, Unknown=0, NotChecked=0, Total=132 [2020-07-21 10:36:16,971 INFO L87 Difference]: Start difference. First operand 652 states and 853 transitions. Second operand 8 states. [2020-07-21 10:36:17,612 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:17,612 INFO L93 Difference]: Finished difference Result 1549 states and 2114 transitions. [2020-07-21 10:36:17,613 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-21 10:36:17,614 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-07-21 10:36:17,614 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:17,629 INFO L225 Difference]: With dead ends: 1549 [2020-07-21 10:36:17,629 INFO L226 Difference]: Without dead ends: 925 [2020-07-21 10:36:17,636 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 280 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=139, Unknown=0, NotChecked=0, Total=210 [2020-07-21 10:36:17,639 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2020-07-21 10:36:17,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 912. [2020-07-21 10:36:17,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 912 states. [2020-07-21 10:36:17,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 912 states and 1252 transitions. [2020-07-21 10:36:17,723 INFO L78 Accepts]: Start accepts. Automaton has 912 states and 1252 transitions. Word has length 146 [2020-07-21 10:36:17,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:17,724 INFO L479 AbstractCegarLoop]: Abstraction has 912 states and 1252 transitions. [2020-07-21 10:36:17,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:36:17,724 INFO L276 IsEmpty]: Start isEmpty. Operand 912 states and 1252 transitions. [2020-07-21 10:36:17,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 10:36:17,730 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:17,730 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:17,943 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:17,944 INFO L427 AbstractCegarLoop]: === Iteration 9 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:17,945 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:17,945 INFO L82 PathProgramCache]: Analyzing trace with hash -2046708437, now seen corresponding path program 1 times [2020-07-21 10:36:17,945 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:17,946 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1802326804] [2020-07-21 10:36:17,946 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 [2020-07-21 10:36:18,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:18,131 INFO L263 TraceCheckSpWp]: Trace formula consists of 902 conjuncts, 13 conjunts are in the unsatisfiable core [2020-07-21 10:36:18,135 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:18,197 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:36:18,198 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:18,198 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1802326804] [2020-07-21 10:36:18,198 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:18,198 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:36:18,198 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710924547] [2020-07-21 10:36:18,199 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:36:18,199 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:18,199 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:36:18,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:18,200 INFO L87 Difference]: Start difference. First operand 912 states and 1252 transitions. Second operand 8 states. [2020-07-21 10:36:19,449 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:19,449 INFO L93 Difference]: Finished difference Result 2508 states and 3585 transitions. [2020-07-21 10:36:19,450 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-07-21 10:36:19,450 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-07-21 10:36:19,450 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:19,463 INFO L225 Difference]: With dead ends: 2508 [2020-07-21 10:36:19,466 INFO L226 Difference]: Without dead ends: 1624 [2020-07-21 10:36:19,470 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 142 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2020-07-21 10:36:19,473 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1624 states. [2020-07-21 10:36:19,566 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1624 to 1483. [2020-07-21 10:36:19,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1483 states. [2020-07-21 10:36:19,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1483 states to 1483 states and 2035 transitions. [2020-07-21 10:36:19,576 INFO L78 Accepts]: Start accepts. Automaton has 1483 states and 2035 transitions. Word has length 146 [2020-07-21 10:36:19,577 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:19,577 INFO L479 AbstractCegarLoop]: Abstraction has 1483 states and 2035 transitions. [2020-07-21 10:36:19,577 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:36:19,577 INFO L276 IsEmpty]: Start isEmpty. Operand 1483 states and 2035 transitions. [2020-07-21 10:36:19,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-07-21 10:36:19,581 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:19,582 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:19,796 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:19,797 INFO L427 AbstractCegarLoop]: === Iteration 10 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:19,797 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:19,798 INFO L82 PathProgramCache]: Analyzing trace with hash 1936101265, now seen corresponding path program 1 times [2020-07-21 10:36:19,799 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:19,799 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1472254245] [2020-07-21 10:36:19,800 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 [2020-07-21 10:36:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:20,004 INFO L263 TraceCheckSpWp]: Trace formula consists of 893 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-21 10:36:20,008 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:20,061 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 11 proven. 2 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2020-07-21 10:36:20,061 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-21 10:36:20,267 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-07-21 10:36:20,267 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1472254245] [2020-07-21 10:36:20,267 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-21 10:36:20,267 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 7 [2020-07-21 10:36:20,268 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809641797] [2020-07-21 10:36:20,268 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:36:20,268 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:20,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:36:20,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-21 10:36:20,269 INFO L87 Difference]: Start difference. First operand 1483 states and 2035 transitions. Second operand 6 states. [2020-07-21 10:36:20,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:20,551 INFO L93 Difference]: Finished difference Result 4166 states and 6013 transitions. [2020-07-21 10:36:20,552 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:36:20,552 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 142 [2020-07-21 10:36:20,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:20,574 INFO L225 Difference]: With dead ends: 4166 [2020-07-21 10:36:20,574 INFO L226 Difference]: Without dead ends: 2711 [2020-07-21 10:36:20,584 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 287 GetRequests, 279 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2020-07-21 10:36:20,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2711 states. [2020-07-21 10:36:20,780 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2711 to 2269. [2020-07-21 10:36:20,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2269 states. [2020-07-21 10:36:20,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 2269 states and 3057 transitions. [2020-07-21 10:36:20,793 INFO L78 Accepts]: Start accepts. Automaton has 2269 states and 3057 transitions. Word has length 142 [2020-07-21 10:36:20,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:20,793 INFO L479 AbstractCegarLoop]: Abstraction has 2269 states and 3057 transitions. [2020-07-21 10:36:20,794 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:36:20,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 3057 transitions. [2020-07-21 10:36:20,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 10:36:20,799 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:20,800 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:21,013 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:21,014 INFO L427 AbstractCegarLoop]: === Iteration 11 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:21,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:21,014 INFO L82 PathProgramCache]: Analyzing trace with hash -755591059, now seen corresponding path program 1 times [2020-07-21 10:36:21,014 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:21,015 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [937403106] [2020-07-21 10:36:21,015 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 [2020-07-21 10:36:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:21,195 INFO L263 TraceCheckSpWp]: Trace formula consists of 903 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-21 10:36:21,199 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:21,277 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-21 10:36:21,278 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:21,278 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [937403106] [2020-07-21 10:36:21,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:21,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-21 10:36:21,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811219779] [2020-07-21 10:36:21,279 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-21 10:36:21,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:21,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-21 10:36:21,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:21,280 INFO L87 Difference]: Start difference. First operand 2269 states and 3057 transitions. Second operand 8 states. [2020-07-21 10:36:21,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:21,659 INFO L93 Difference]: Finished difference Result 4314 states and 5881 transitions. [2020-07-21 10:36:21,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-21 10:36:21,660 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 146 [2020-07-21 10:36:21,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:21,680 INFO L225 Difference]: With dead ends: 4314 [2020-07-21 10:36:21,680 INFO L226 Difference]: Without dead ends: 2073 [2020-07-21 10:36:21,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 138 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:36:21,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2073 states. [2020-07-21 10:36:21,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2073 to 2049. [2020-07-21 10:36:21,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2049 states. [2020-07-21 10:36:21,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2049 states to 2049 states and 2673 transitions. [2020-07-21 10:36:21,925 INFO L78 Accepts]: Start accepts. Automaton has 2049 states and 2673 transitions. Word has length 146 [2020-07-21 10:36:21,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:21,925 INFO L479 AbstractCegarLoop]: Abstraction has 2049 states and 2673 transitions. [2020-07-21 10:36:21,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-21 10:36:21,925 INFO L276 IsEmpty]: Start isEmpty. Operand 2049 states and 2673 transitions. [2020-07-21 10:36:21,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2020-07-21 10:36:21,931 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:36:21,931 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:36:22,144 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:22,145 INFO L427 AbstractCegarLoop]: === Iteration 12 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:36:22,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:36:22,145 INFO L82 PathProgramCache]: Analyzing trace with hash 550377833, now seen corresponding path program 1 times [2020-07-21 10:36:22,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:36:22,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [661580674] [2020-07-21 10:36:22,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:22,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:36:22,320 INFO L263 TraceCheckSpWp]: Trace formula consists of 906 conjuncts, 4 conjunts are in the unsatisfiable core [2020-07-21 10:36:22,324 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:36:22,344 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:36:22,344 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:36:22,344 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [661580674] [2020-07-21 10:36:22,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:36:22,345 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:36:22,345 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [73563037] [2020-07-21 10:36:22,345 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:36:22,346 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:36:22,346 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:36:22,346 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:22,346 INFO L87 Difference]: Start difference. First operand 2049 states and 2673 transitions. Second operand 3 states. [2020-07-21 10:36:22,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:36:22,500 INFO L93 Difference]: Finished difference Result 3745 states and 4947 transitions. [2020-07-21 10:36:22,500 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:36:22,500 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 146 [2020-07-21 10:36:22,501 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:36:22,502 INFO L225 Difference]: With dead ends: 3745 [2020-07-21 10:36:22,502 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:36:22,512 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:36:22,512 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:36:22,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:36:22,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:36:22,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:36:22,514 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 146 [2020-07-21 10:36:22,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:36:22,514 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:36:22,514 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:36:22,514 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:36:22,514 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:36:22,728 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:36:22,733 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:36:23,680 WARN L193 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 65 [2020-07-21 10:36:25,616 WARN L193 SmtUtils]: Spent 373.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 32 [2020-07-21 10:36:26,041 WARN L193 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 32 [2020-07-21 10:36:26,346 WARN L193 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 30 [2020-07-21 10:36:27,265 WARN L193 SmtUtils]: Spent 740.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 44 [2020-07-21 10:36:27,820 WARN L193 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 44 [2020-07-21 10:36:28,258 WARN L193 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 31 [2020-07-21 10:36:28,424 WARN L193 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 29 [2020-07-21 10:36:29,050 WARN L193 SmtUtils]: Spent 620.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 41 [2020-07-21 10:36:29,423 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 41 [2020-07-21 10:36:29,662 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 30 [2020-07-21 10:36:29,902 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 26 [2020-07-21 10:36:30,669 WARN L193 SmtUtils]: Spent 760.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 52 [2020-07-21 10:36:31,387 WARN L193 SmtUtils]: Spent 712.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 45 [2020-07-21 10:36:31,782 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 31 [2020-07-21 10:36:32,042 WARN L193 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 31 [2020-07-21 10:36:32,218 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 21 [2020-07-21 10:36:32,439 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 33 [2020-07-21 10:36:32,727 WARN L193 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 25 [2020-07-21 10:36:33,022 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 42 [2020-07-21 10:36:33,455 WARN L193 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 41 [2020-07-21 10:36:33,658 WARN L193 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 30 [2020-07-21 10:36:34,199 WARN L193 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2020-07-21 10:36:34,493 WARN L193 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 23 [2020-07-21 10:36:34,882 WARN L193 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 30 [2020-07-21 10:36:35,161 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 21 [2020-07-21 10:36:35,567 WARN L193 SmtUtils]: Spent 401.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 30 [2020-07-21 10:36:36,933 WARN L193 SmtUtils]: Spent 1.36 s on a formula simplification. DAG size of input: 140 DAG size of output: 53 [2020-07-21 10:36:36,939 INFO L268 CegarLoopResult]: For program point L671(line 671) no Hoare annotation was computed. [2020-07-21 10:36:36,939 INFO L268 CegarLoopResult]: For program point L670-2(lines 670 691) no Hoare annotation was computed. [2020-07-21 10:36:36,939 INFO L268 CegarLoopResult]: For program point L692(lines 669 693) no Hoare annotation was computed. [2020-07-21 10:36:36,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 645 700) no Hoare annotation was computed. [2020-07-21 10:36:36,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 645 700) no Hoare annotation was computed. [2020-07-21 10:36:36,940 INFO L268 CegarLoopResult]: For program point L676(lines 676 680) no Hoare annotation was computed. [2020-07-21 10:36:36,940 INFO L268 CegarLoopResult]: For program point L676-1(lines 676 680) no Hoare annotation was computed. [2020-07-21 10:36:36,940 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 645 700) no Hoare annotation was computed. [2020-07-21 10:36:36,941 INFO L268 CegarLoopResult]: For program point L733(lines 733 737) no Hoare annotation was computed. [2020-07-21 10:36:36,941 INFO L268 CegarLoopResult]: For program point L733-1(lines 733 737) no Hoare annotation was computed. [2020-07-21 10:36:36,941 INFO L268 CegarLoopResult]: For program point L728(line 728) no Hoare annotation was computed. [2020-07-21 10:36:36,941 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 701 760) no Hoare annotation was computed. [2020-07-21 10:36:36,941 INFO L268 CegarLoopResult]: For program point L727-2(lines 727 752) no Hoare annotation was computed. [2020-07-21 10:36:36,941 INFO L268 CegarLoopResult]: For program point L753(lines 726 754) no Hoare annotation was computed. [2020-07-21 10:36:36,942 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 701 760) no Hoare annotation was computed. [2020-07-21 10:36:36,942 INFO L268 CegarLoopResult]: For program point L746(line 746) no Hoare annotation was computed. [2020-07-21 10:36:36,942 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 701 760) no Hoare annotation was computed. [2020-07-21 10:36:36,942 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-07-21 10:36:36,942 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 576 582) the Hoare annotation is: true [2020-07-21 10:36:36,942 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 576 582) no Hoare annotation was computed. [2020-07-21 10:36:36,942 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 583 591) no Hoare annotation was computed. [2020-07-21 10:36:36,942 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 583 591) the Hoare annotation is: true [2020-07-21 10:36:36,942 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 583 591) no Hoare annotation was computed. [2020-07-21 10:36:36,943 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 221 243) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:36,943 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 221 243) no Hoare annotation was computed. [2020-07-21 10:36:36,943 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 221 243) no Hoare annotation was computed. [2020-07-21 10:36:36,943 INFO L264 CegarLoopResult]: At program point L233(line 233) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:36,943 INFO L264 CegarLoopResult]: At program point L233-1(line 233) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:36,944 INFO L268 CegarLoopResult]: For program point L231(lines 231 238) no Hoare annotation was computed. [2020-07-21 10:36:36,944 INFO L268 CegarLoopResult]: For program point L231-1(lines 231 238) no Hoare annotation was computed. [2020-07-21 10:36:36,944 INFO L268 CegarLoopResult]: For program point L229(line 229) no Hoare annotation was computed. [2020-07-21 10:36:36,944 INFO L264 CegarLoopResult]: At program point L228(line 228) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:36,944 INFO L264 CegarLoopResult]: At program point L227(line 227) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:36,945 INFO L264 CegarLoopResult]: At program point L227-1(line 227) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:36,945 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-07-21 10:36:36,945 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 174 197) no Hoare annotation was computed. [2020-07-21 10:36:36,945 INFO L268 CegarLoopResult]: For program point L191(line 191) no Hoare annotation was computed. [2020-07-21 10:36:36,945 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-21 10:36:36,945 INFO L268 CegarLoopResult]: For program point L189(line 189) no Hoare annotation was computed. [2020-07-21 10:36:36,945 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 174 197) no Hoare annotation was computed. [2020-07-21 10:36:36,945 INFO L268 CegarLoopResult]: For program point L188(line 188) no Hoare annotation was computed. [2020-07-21 10:36:36,946 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 174 197) no Hoare annotation was computed. [2020-07-21 10:36:36,946 INFO L268 CegarLoopResult]: For program point L187(line 187) no Hoare annotation was computed. [2020-07-21 10:36:36,946 INFO L268 CegarLoopResult]: For program point L186(line 186) no Hoare annotation was computed. [2020-07-21 10:36:36,946 INFO L268 CegarLoopResult]: For program point L185(line 185) no Hoare annotation was computed. [2020-07-21 10:36:36,946 INFO L268 CegarLoopResult]: For program point L184(line 184) no Hoare annotation was computed. [2020-07-21 10:36:36,946 INFO L268 CegarLoopResult]: For program point L183(line 183) no Hoare annotation was computed. [2020-07-21 10:36:36,946 INFO L268 CegarLoopResult]: For program point L182(line 182) no Hoare annotation was computed. [2020-07-21 10:36:36,946 INFO L268 CegarLoopResult]: For program point L181(line 181) no Hoare annotation was computed. [2020-07-21 10:36:36,947 INFO L268 CegarLoopResult]: For program point L180(line 180) no Hoare annotation was computed. [2020-07-21 10:36:36,947 INFO L268 CegarLoopResult]: For program point L179(line 179) no Hoare annotation was computed. [2020-07-21 10:36:36,947 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 542 556) no Hoare annotation was computed. [2020-07-21 10:36:36,947 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 542 556) the Hoare annotation is: (let ((.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~systemActive~0) .cse1 (not (= 0 |old(~systemActive~0)|))) (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0)))) [2020-07-21 10:36:36,947 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 542 556) no Hoare annotation was computed. [2020-07-21 10:36:36,947 INFO L264 CegarLoopResult]: At program point L548(line 548) the Hoare annotation is: (and (or (not (= 0 ~methAndRunningLastTime~0)) (not (= 0 |old(~pumpRunning~0)|))) (or (not (<= 1 |old(~systemActive~0)|)) (<= 1 ~systemActive~0))) [2020-07-21 10:36:36,948 INFO L268 CegarLoopResult]: For program point L546(lines 546 552) no Hoare annotation was computed. [2020-07-21 10:36:36,948 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 478 486) no Hoare annotation was computed. [2020-07-21 10:36:36,948 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 478 486) the Hoare annotation is: true [2020-07-21 10:36:36,948 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 478 486) no Hoare annotation was computed. [2020-07-21 10:36:36,948 INFO L268 CegarLoopResult]: For program point L506(lines 506 514) no Hoare annotation was computed. [2020-07-21 10:36:36,948 INFO L268 CegarLoopResult]: For program point L506-2(lines 506 514) no Hoare annotation was computed. [2020-07-21 10:36:36,948 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 487 522) no Hoare annotation was computed. [2020-07-21 10:36:36,948 INFO L268 CegarLoopResult]: For program point L494(lines 494 502) no Hoare annotation was computed. [2020-07-21 10:36:36,948 INFO L268 CegarLoopResult]: For program point L494-2(lines 494 502) no Hoare annotation was computed. [2020-07-21 10:36:36,948 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 487 522) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point L517-1(line 517) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 487 522) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 569 575) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 569 575) the Hoare annotation is: true [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 599 644) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 599 644) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 599 644) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point L926(lines 926 946) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point L926-1(lines 926 946) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 912 957) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 912 957) no Hoare annotation was computed. [2020-07-21 10:36:36,949 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 912 957) no Hoare annotation was computed. [2020-07-21 10:36:36,950 INFO L268 CegarLoopResult]: For program point L932(lines 932 939) no Hoare annotation was computed. [2020-07-21 10:36:36,950 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 207 217) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:36,950 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 207 217) no Hoare annotation was computed. [2020-07-21 10:36:36,950 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 207 217) no Hoare annotation was computed. [2020-07-21 10:36:36,950 INFO L264 CegarLoopResult]: At program point L212(line 212) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:36,950 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 467 477) the Hoare annotation is: true [2020-07-21 10:36:36,950 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 467 477) no Hoare annotation was computed. [2020-07-21 10:36:36,950 INFO L271 CegarLoopResult]: At program point L472(line 472) the Hoare annotation is: true [2020-07-21 10:36:36,950 INFO L268 CegarLoopResult]: For program point L472-1(line 472) no Hoare annotation was computed. [2020-07-21 10:36:36,950 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 467 477) no Hoare annotation was computed. [2020-07-21 10:36:36,951 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 459 466) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 0 (+ ~waterLevel~0 1)))) (.cse3 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-21 10:36:36,951 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 459 466) no Hoare annotation was computed. [2020-07-21 10:36:36,951 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 459 466) no Hoare annotation was computed. [2020-07-21 10:36:36,951 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-21 10:36:36,951 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-21 10:36:36,951 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-21 10:36:36,952 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-21 10:36:36,952 INFO L264 CegarLoopResult]: At program point L445(line 445) the Hoare annotation is: (let ((.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (= 0 ~pumpRunning~0)) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse6 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 0 (+ ~waterLevel~0 1))))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 .cse5 .cse4) (or .cse0 .cse6 .cse2 .cse5) (or .cse0 .cse1 .cse6 .cse2))) [2020-07-21 10:36:36,952 INFO L268 CegarLoopResult]: For program point L445-1(lines 426 450) no Hoare annotation was computed. [2020-07-21 10:36:36,980 INFO L264 CegarLoopResult]: At program point L440(line 440) the Hoare annotation is: (let ((.cse5 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 0 (+ ~waterLevel~0 1))))) (and (or .cse0 .cse1 .cse2 .cse3 (<= 1 ~pumpRunning~0)) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse4 .cse2 .cse5) (or .cse0 .cse2 .cse5 .cse3) (or .cse0 .cse4 .cse1 .cse2))) [2020-07-21 10:36:36,981 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 426 450) no Hoare annotation was computed. [2020-07-21 10:36:36,981 INFO L264 CegarLoopResult]: At program point L436(line 436) the Hoare annotation is: (let ((.cse3 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (<= 1 ~pumpRunning~0)) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (< 0 (+ ~waterLevel~0 1)))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~4) .cse2) .cse3 .cse4) (or .cse0 .cse3 .cse4 .cse5 .cse2) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse1 .cse4 .cse6) (or .cse0 .cse4 .cse6 .cse5))) [2020-07-21 10:36:36,981 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 426 450) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse7 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse5 .cse2 .cse6 .cse7) (or .cse0 .cse2 .cse6 .cse3 .cse7) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-21 10:36:36,981 INFO L268 CegarLoopResult]: For program point L434(lines 434 442) no Hoare annotation was computed. [2020-07-21 10:36:36,981 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (let ((.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (<= 1 ~pumpRunning~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 .cse5 .cse2 .cse6) (or .cse0 .cse2 .cse6 .cse3) (or .cse0 .cse5 .cse1 .cse2 .cse4))) [2020-07-21 10:36:36,982 INFO L268 CegarLoopResult]: For program point L432-1(line 432) no Hoare annotation was computed. [2020-07-21 10:36:36,982 INFO L268 CegarLoopResult]: For program point L430(lines 430 447) no Hoare annotation was computed. [2020-07-21 10:36:36,982 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 392 398) no Hoare annotation was computed. [2020-07-21 10:36:36,982 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 392 398) the Hoare annotation is: true [2020-07-21 10:36:36,982 INFO L264 CegarLoopResult]: At program point testENTRY(lines 296 361) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0) (<= |old(~waterLevel~0)| ~waterLevel~0)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:36,982 INFO L264 CegarLoopResult]: At program point L351(lines 306 353) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (< 0 (+ ~waterLevel~0 1))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse1 .cse2 .cse5) (and .cse3 .cse0 .cse4 .cse2 .cse5 .cse6) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse7 .cse2 .cse5 .cse6) (and .cse0 .cse4 .cse7 .cse1 .cse2 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:36,982 INFO L264 CegarLoopResult]: At program point L318(line 318) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (< 0 (+ ~waterLevel~0 1))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse1 .cse2 .cse5) (and .cse3 .cse0 .cse4 .cse2 .cse5 .cse6) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse7 .cse4 .cse2 .cse5 .cse6) (and .cse0 .cse4 .cse7 .cse1 .cse2 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:36,982 INFO L268 CegarLoopResult]: For program point L316(lines 316 322) no Hoare annotation was computed. [2020-07-21 10:36:36,982 INFO L268 CegarLoopResult]: For program point L316-1(lines 316 322) no Hoare annotation was computed. [2020-07-21 10:36:36,983 INFO L268 CegarLoopResult]: For program point testFINAL(lines 296 361) no Hoare annotation was computed. [2020-07-21 10:36:36,983 INFO L268 CegarLoopResult]: For program point L308(lines 308 312) no Hoare annotation was computed. [2020-07-21 10:36:36,983 INFO L264 CegarLoopResult]: At program point L354(lines 305 355) the Hoare annotation is: (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:36:36,983 INFO L264 CegarLoopResult]: At program point L344(line 344) the Hoare annotation is: (let ((.cse0 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~methAndRunningLastTime~0) (= 0 ~pumpRunning~0) .cse0) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and .cse0 (<= 1 ~systemActive~0)))) [2020-07-21 10:36:36,983 INFO L268 CegarLoopResult]: For program point L342(lines 342 348) no Hoare annotation was computed. [2020-07-21 10:36:36,983 INFO L264 CegarLoopResult]: At program point L342-1(lines 336 349) the Hoare annotation is: (let ((.cse1 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse0 (= 0 ~methaneLevelCritical~0)) (.cse2 (< 0 (+ ~waterLevel~0 1))) (.cse5 (<= 1 ~systemActive~0)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse3 (= 0 ~pumpRunning~0)) (.cse4 (<= test_~splverifierCounter~0 0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse2 .cse6 .cse4 .cse5 .cse7) (and .cse1 .cse2 .cse6 .cse3 .cse4 .cse5) (and .cse0 .cse2 .cse4 .cse5 .cse7) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)) (and (= 0 ~systemActive~0) .cse3 .cse4))) [2020-07-21 10:36:36,983 INFO L268 CegarLoopResult]: For program point L307(lines 306 353) no Hoare annotation was computed. [2020-07-21 10:36:36,984 INFO L268 CegarLoopResult]: For program point L336(lines 336 349) no Hoare annotation was computed. [2020-07-21 10:36:36,984 INFO L264 CegarLoopResult]: At program point L328(line 328) the Hoare annotation is: (let ((.cse3 (= 0 ~methaneLevelCritical~0)) (.cse6 (<= 1 ~pumpRunning~0)) (.cse0 (= 0 ~methAndRunningLastTime~0)) (.cse4 (< 0 (+ ~waterLevel~0 1))) (.cse7 (<= 1 ~methaneLevelCritical~0)) (.cse1 (= 0 ~pumpRunning~0)) (.cse2 (<= test_~splverifierCounter~0 0)) (.cse5 (<= 1 ~systemActive~0))) (or (not (<= |old(~waterLevel~0)| 1)) (and .cse0 (= 0 ~systemActive~0) .cse1 .cse2) (and .cse3 .cse0 .cse4 .cse1 .cse2 .cse5) (and .cse3 .cse0 .cse4 .cse2 .cse5 .cse6) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and .cse4 .cse7 .cse2 .cse5 .cse6) (and .cse0 .cse4 .cse7 .cse1 .cse2 .cse5) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|)))) [2020-07-21 10:36:36,984 INFO L268 CegarLoopResult]: For program point L326(lines 326 332) no Hoare annotation was computed. [2020-07-21 10:36:36,984 INFO L268 CegarLoopResult]: For program point L326-1(lines 326 332) no Hoare annotation was computed. [2020-07-21 10:36:36,984 INFO L268 CegarLoopResult]: For program point testEXIT(lines 296 361) no Hoare annotation was computed. [2020-07-21 10:36:36,984 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 866 911) no Hoare annotation was computed. [2020-07-21 10:36:36,984 INFO L268 CegarLoopResult]: For program point L886(lines 886 893) no Hoare annotation was computed. [2020-07-21 10:36:36,984 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 866 911) no Hoare annotation was computed. [2020-07-21 10:36:36,984 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 866 911) no Hoare annotation was computed. [2020-07-21 10:36:36,985 INFO L268 CegarLoopResult]: For program point L880(lines 880 900) no Hoare annotation was computed. [2020-07-21 10:36:36,985 INFO L268 CegarLoopResult]: For program point L880-1(lines 880 900) no Hoare annotation was computed. [2020-07-21 10:36:36,985 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 256 284) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (< 0 (+ ~waterLevel~0 1))) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 10:36:36,985 INFO L264 CegarLoopResult]: At program point L271(line 271) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse3 (not (= 0 ~pumpRunning~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or (not (= 0 ~systemActive~0)) .cse3) (or .cse0 .cse5 .cse1 .cse3) (or .cse0 .cse5 .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse4))) [2020-07-21 10:36:36,985 INFO L268 CegarLoopResult]: For program point L269(lines 269 275) no Hoare annotation was computed. [2020-07-21 10:36:36,985 INFO L268 CegarLoopResult]: For program point L268(lines 268 278) no Hoare annotation was computed. [2020-07-21 10:36:36,985 INFO L264 CegarLoopResult]: At program point L266(line 266) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse3 (not (<= 1 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 (not (= 0 ~pumpRunning~0))) (or .cse0 .cse1 .cse2 .cse3) (or .cse0 (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) .cse1 (not (= 0 |old(~methAndRunningLastTime~0)|)) .cse3))) [2020-07-21 10:36:36,985 INFO L268 CegarLoopResult]: For program point L266-1(line 266) no Hoare annotation was computed. [2020-07-21 10:36:36,986 INFO L268 CegarLoopResult]: For program point L264(lines 264 281) no Hoare annotation was computed. [2020-07-21 10:36:36,986 INFO L268 CegarLoopResult]: For program point L264-1(lines 256 284) no Hoare annotation was computed. [2020-07-21 10:36:36,986 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (<= 1 ~methaneLevelCritical~0)) (not (< 0 (+ ~waterLevel~0 1))) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (<= 1 ~pumpRunning~0))) [2020-07-21 10:36:36,986 INFO L268 CegarLoopResult]: For program point L262-1(line 262) no Hoare annotation was computed. [2020-07-21 10:36:36,986 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 256 284) no Hoare annotation was computed. [2020-07-21 10:36:36,986 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:36:36,986 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-21 10:36:36,986 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:36:36,987 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-21 10:36:36,987 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-21 10:36:36,987 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 248 255) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (= 0 ~methAndRunningLastTime~0) (not (= 0 |old(~methAndRunningLastTime~0)|)) (not (= 0 ~methaneLevelCritical~0)) (not (<= ~waterLevel~0 1)) (not (= 0 ~pumpRunning~0))) [2020-07-21 10:36:36,987 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 248 255) no Hoare annotation was computed. [2020-07-21 10:36:36,987 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 248 255) no Hoare annotation was computed. [2020-07-21 10:36:36,987 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 559 568) no Hoare annotation was computed. [2020-07-21 10:36:36,987 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 559 568) no Hoare annotation was computed. [2020-07-21 10:36:36,987 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 559 568) no Hoare annotation was computed. [2020-07-21 10:36:36,987 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 763 865) no Hoare annotation was computed. [2020-07-21 10:36:36,988 INFO L268 CegarLoopResult]: For program point L828(line 828) no Hoare annotation was computed. [2020-07-21 10:36:36,988 INFO L268 CegarLoopResult]: For program point L828-1(line 828) no Hoare annotation was computed. [2020-07-21 10:36:36,988 INFO L268 CegarLoopResult]: For program point L787(lines 787 791) no Hoare annotation was computed. [2020-07-21 10:36:36,988 INFO L268 CegarLoopResult]: For program point L851(lines 851 862) no Hoare annotation was computed. [2020-07-21 10:36:36,988 INFO L268 CegarLoopResult]: For program point L814(lines 814 818) no Hoare annotation was computed. [2020-07-21 10:36:36,988 INFO L268 CegarLoopResult]: For program point L812-2(lines 812 832) no Hoare annotation was computed. [2020-07-21 10:36:36,988 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 763 865) no Hoare annotation was computed. [2020-07-21 10:36:36,988 INFO L268 CegarLoopResult]: For program point L833(lines 811 834) no Hoare annotation was computed. [2020-07-21 10:36:36,988 INFO L268 CegarLoopResult]: For program point L792(lines 792 808) no Hoare annotation was computed. [2020-07-21 10:36:36,988 INFO L268 CegarLoopResult]: For program point L852(lines 852 859) no Hoare annotation was computed. [2020-07-21 10:36:36,989 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 763 865) no Hoare annotation was computed. [2020-07-21 10:36:36,989 INFO L268 CegarLoopResult]: For program point L813(lines 812 832) no Hoare annotation was computed. [2020-07-21 10:36:36,989 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-07-21 10:36:36,989 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-21 10:36:36,989 INFO L268 CegarLoopResult]: For program point L809(lines 809 850) no Hoare annotation was computed. [2020-07-21 10:36:36,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:36,989 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)) [2020-07-21 10:36:36,989 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:36,989 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 451 458) no Hoare annotation was computed. [2020-07-21 10:36:36,990 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 451 458) no Hoare annotation was computed. [2020-07-21 10:36:36,990 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 451 458) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 (not (= 0 ~methaneLevelCritical~0)) .cse3))) [2020-07-21 10:36:36,990 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-21 10:36:36,990 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-21 10:36:36,990 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-21 10:36:36,990 INFO L268 CegarLoopResult]: For program point L530-1(line 530) no Hoare annotation was computed. [2020-07-21 10:36:36,990 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 523 541) no Hoare annotation was computed. [2020-07-21 10:36:36,990 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 523 541) the Hoare annotation is: true [2020-07-21 10:36:36,991 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 523 541) no Hoare annotation was computed. [2020-07-21 10:36:36,991 INFO L268 CegarLoopResult]: For program point L532(lines 532 536) no Hoare annotation was computed. [2020-07-21 10:36:36,991 INFO L271 CegarLoopResult]: At program point L530(line 530) the Hoare annotation is: true [2020-07-21 10:36:36,991 INFO L268 CegarLoopResult]: For program point L532-2(lines 532 536) no Hoare annotation was computed. [2020-07-21 10:36:36,991 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-21 10:36:36,991 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse6 (<= 1 ~methaneLevelCritical~0)) (.cse5 (not (<= 1 ~pumpRunning~0))) (.cse8 (not (<= 1 |old(~methaneLevelCritical~0)|))) (.cse0 (not (= 0 ~methAndRunningLastTime~0))) (.cse1 (not (<= 1 ~systemActive~0))) (.cse2 (= 0 ~methaneLevelCritical~0)) (.cse3 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (not (= |old(~methaneLevelCritical~0)| 0))) (.cse7 (not (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse0 .cse1 .cse3 .cse6 .cse7 .cse8) (or .cse1 .cse3 .cse6 .cse5 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse7))) [2020-07-21 10:36:36,992 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-21 10:36:36,992 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:36,992 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:36:36,992 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:36,992 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-21 10:36:36,992 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-21 10:36:36,992 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-21 10:36:36,992 INFO L264 CegarLoopResult]: At program point L381(line 381) the Hoare annotation is: (let ((.cse11 (<= ~waterLevel~0 |old(~waterLevel~0)|))) (let ((.cse5 (<= 1 ~waterLevel~0)) (.cse6 (not (<= 2 |old(~waterLevel~0)|))) (.cse3 (and .cse11 (< 0 (+ ~waterLevel~0 1)) (<= 1 ~pumpRunning~0))) (.cse2 (not (<= 1 |old(~pumpRunning~0)|))) (.cse7 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse10 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse8 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (< 0 (+ |old(~waterLevel~0)| 1)))) (.cse9 (= 0 ~methAndRunningLastTime~0)) (.cse12 (= 0 ~pumpRunning~0)) (.cse13 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse1 .cse2 .cse5 .cse6) (or .cse0 .cse2 .cse7 .cse5 .cse6) (or .cse0 .cse2 .cse7 .cse3 .cse4) (or (not (= 0 ~systemActive~0)) .cse8) (or .cse0 .cse9 .cse1 .cse2 .cse10 .cse4) (or .cse0 (and .cse11 .cse12 .cse13) .cse10 .cse8 .cse7 .cse4) (or .cse0 .cse1 .cse10 .cse8 .cse4 (and .cse9 .cse11 .cse12 .cse13))))) [2020-07-21 10:36:36,993 INFO L264 CegarLoopResult]: At program point L379(lines 379 385) the Hoare annotation is: (let ((.cse15 (< 0 (+ ~waterLevel~0 1))) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse14 (= 0 ~pumpRunning~0)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (<= 1 ~waterLevel~0)) (.cse4 (not (<= 2 |old(~waterLevel~0)|))) (.cse9 (and .cse6 .cse14 .cse7)) (.cse10 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse5 (not (<= 1 ~methaneLevelCritical~0))) (.cse11 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse13 (and .cse6 .cse15 .cse14)) (.cse1 (not (<= 1 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse8 (<= 1 ~pumpRunning~0)) (.cse12 (not (< 0 (+ |old(~waterLevel~0)| 1))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse5 .cse1 .cse3 .cse4) (or (and .cse6 .cse7 .cse8) .cse0 .cse9 .cse10 .cse11 .cse2 .cse12) (or .cse0 .cse5 .cse9 .cse10 .cse11 (and (= 0 ~methAndRunningLastTime~0) .cse6 .cse8 .cse7) .cse12) (or .cse0 .cse13 .cse5 .cse1 .cse12) (or (not (= 0 ~systemActive~0)) .cse11 .cse14) (or .cse0 .cse13 .cse1 .cse2 (and .cse6 .cse15 .cse8) .cse12)))) [2020-07-21 10:36:36,993 INFO L264 CegarLoopResult]: At program point L374(line 374) the Hoare annotation is: (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse9 (not (<= 1 ~methaneLevelCritical~0))) (.cse8 (not (<= 1 |old(~pumpRunning~0)|))) (.cse4 (not (< 0 (+ |old(~waterLevel~0)| 1)))) (.cse5 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse7 (<= 1 ~pumpRunning~0)) (.cse6 (<= |old(~waterLevel~0)| ~waterLevel~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (not (= 0 ~systemActive~0)) .cse2) (or (and .cse5 .cse6 .cse7) .cse0 .cse8 .cse3 .cse4) (or .cse0 (= 0 ~methAndRunningLastTime~0) .cse9 .cse8 .cse1 .cse4) (or .cse0 .cse9 .cse1 .cse2 .cse4) (or .cse0 .cse9 .cse8 .cse4 (and .cse5 .cse7 .cse6)))) [2020-07-21 10:36:36,993 INFO L268 CegarLoopResult]: For program point L372(lines 371 390) no Hoare annotation was computed. [2020-07-21 10:36:36,993 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 368 391) the Hoare annotation is: (let ((.cse10 (= 0 ~methAndRunningLastTime~0)) (.cse6 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse13 (= 0 ~pumpRunning~0)) (.cse7 (<= |old(~waterLevel~0)| ~waterLevel~0))) (let ((.cse3 (not (= 0 ~methaneLevelCritical~0))) (.cse9 (not (<= 1 |old(~pumpRunning~0)|))) (.cse8 (<= 1 ~pumpRunning~0)) (.cse12 (not (= 0 ~systemActive~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse11 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (not (= 0 |old(~methAndRunningLastTime~0)|))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (not (< 0 (+ |old(~waterLevel~0)| 1)))) (.cse5 (and .cse10 .cse6 .cse13 .cse7))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or (and .cse6 .cse7 .cse8) .cse0 .cse9 .cse3 .cse4) (or .cse0 .cse10 .cse11 .cse9 .cse1 .cse4) (or .cse0 .cse11 .cse9 .cse4 (and .cse6 .cse8 .cse7)) (or .cse12 .cse2 .cse13) (or .cse10 .cse12 .cse1 .cse2) (or .cse0 .cse11 .cse1 .cse2 .cse4 .cse5)))) [2020-07-21 10:36:36,994 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 368 391) no Hoare annotation was computed. [2020-07-21 10:36:36,994 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 368 391) no Hoare annotation was computed. [2020-07-21 10:36:36,994 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 143 172) no Hoare annotation was computed. [2020-07-21 10:36:36,994 INFO L268 CegarLoopResult]: For program point L157(lines 157 161) no Hoare annotation was computed. [2020-07-21 10:36:36,994 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 143 172) the Hoare annotation is: true [2020-07-21 10:36:36,994 INFO L271 CegarLoopResult]: At program point L157-1(lines 157 161) the Hoare annotation is: true [2020-07-21 10:36:36,994 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-07-21 10:36:36,994 INFO L271 CegarLoopResult]: At program point L153-2(lines 153 167) the Hoare annotation is: true [2020-07-21 10:36:36,995 INFO L271 CegarLoopResult]: At program point L149(line 149) the Hoare annotation is: true [2020-07-21 10:36:36,995 INFO L268 CegarLoopResult]: For program point L149-1(line 149) no Hoare annotation was computed. [2020-07-21 10:36:36,995 INFO L271 CegarLoopResult]: At program point L168(lines 143 172) the Hoare annotation is: true [2020-07-21 10:36:36,995 INFO L268 CegarLoopResult]: For program point L164(line 164) no Hoare annotation was computed. [2020-07-21 10:36:36,995 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ |old(~waterLevel~0)| 1)))) (.cse2 (not (<= 1 ~pumpRunning~0))) (.cse3 (and (<= ~waterLevel~0 |old(~waterLevel~0)|) (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3))) [2020-07-21 10:36:36,995 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-21 10:36:36,995 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-21 10:36:36,996 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 198 204) no Hoare annotation was computed. [2020-07-21 10:36:36,996 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 198 204) the Hoare annotation is: true [2020-07-21 10:36:36,996 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:36:36,996 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (= 0 ~methAndRunningLastTime~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= ~waterLevel~0 1) (<= 1 ~systemActive~0)) [2020-07-21 10:36:36,996 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:36:36,996 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:36:36,996 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__highWaterSensorENTRY(lines 400 424) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse4 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (<= 1 ~pumpRunning~0)) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3 .cse4) (or .cse0 .cse1 .cse3 .cse2 .cse4))) [2020-07-21 10:36:36,997 INFO L264 CegarLoopResult]: At program point L414(line 414) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse4))) [2020-07-21 10:36:36,997 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__highWaterSensorEXIT(lines 400 424) no Hoare annotation was computed. [2020-07-21 10:36:36,997 INFO L264 CegarLoopResult]: At program point L410(line 410) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse4))) [2020-07-21 10:36:36,997 INFO L268 CegarLoopResult]: For program point L408(lines 408 416) no Hoare annotation was computed. [2020-07-21 10:36:36,997 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (let ((.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse3 (= 0 ~pumpRunning~0)) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse4 (not (= 0 ~methaneLevelCritical~0)))) (and (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4 .cse3) (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse4))) [2020-07-21 10:36:36,997 INFO L268 CegarLoopResult]: For program point L406-1(line 406) no Hoare annotation was computed. [2020-07-21 10:36:36,998 INFO L268 CegarLoopResult]: For program point L404(lines 404 421) no Hoare annotation was computed. [2020-07-21 10:36:36,998 INFO L264 CegarLoopResult]: At program point L419(line 419) the Hoare annotation is: (let ((.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (< 0 (+ ~waterLevel~0 1)))) (.cse3 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 |old(~pumpRunning~0)|)) .cse1 .cse2 (<= 1 ~pumpRunning~0)) (or .cse0 .cse1 .cse3 .cse2) (or (not (= 0 ~methAndRunningLastTime~0)) .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse3))) [2020-07-21 10:36:36,998 INFO L268 CegarLoopResult]: For program point L419-1(lines 400 424) no Hoare annotation was computed. [2020-07-21 10:36:36,998 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-21 10:36:36,998 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-21 10:36:36,998 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse15 (= 0 ~methAndRunningLastTime~0)) (.cse7 (<= ~waterLevel~0 |old(~waterLevel~0)|)) (.cse8 (< 0 (+ ~waterLevel~0 1))) (.cse14 (= 0 ~pumpRunning~0)) (.cse13 (<= 1 ~systemActive~0))) (let ((.cse0 (not (<= |old(~waterLevel~0)| 1))) (.cse3 (and .cse15 .cse7 .cse8 .cse14 .cse13)) (.cse1 (not .cse15)) (.cse4 (not (= 0 ~methaneLevelCritical~0))) (.cse6 (not .cse14)) (.cse11 (not (<= 1 |old(~waterLevel~0)|))) (.cse2 (not .cse13)) (.cse10 (not (<= 1 ~methaneLevelCritical~0))) (.cse5 (not (< 0 (+ |old(~waterLevel~0)| 1)))) (.cse9 (not (<= 1 ~pumpRunning~0))) (.cse12 (and .cse7 (<= |old(~waterLevel~0)| ~waterLevel~0)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6) (or .cse1 .cse2 .cse4 (and .cse7 .cse8) .cse5 .cse9) (or .cse0 .cse1 .cse2 .cse10 .cse3 .cse5 .cse6) (or .cse1 .cse2 .cse10 .cse6 .cse11 .cse12) (or .cse1 .cse2 .cse4 .cse9 .cse11 .cse12) (or .cse1 .cse2 .cse4 .cse6 .cse11 .cse12) (or .cse2 .cse10 .cse5 .cse9 .cse12)))) [2020-07-21 10:36:36,998 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 286 293) no Hoare annotation was computed. [2020-07-21 10:36:36,999 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 290) no Hoare annotation was computed. [2020-07-21 10:36:36,999 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 286 293) the Hoare annotation is: true [2020-07-21 10:36:36,999 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 286 293) no Hoare annotation was computed. [2020-07-21 10:36:37,020 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:36:37 BoogieIcfgContainer [2020-07-21 10:36:37,020 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:36:37,022 INFO L168 Benchmark]: Toolchain (without parser) took 27912.82 ms. Allocated memory was 147.3 MB in the beginning and 623.9 MB in the end (delta: 476.6 MB). Free memory was 104.1 MB in the beginning and 555.6 MB in the end (delta: -451.5 MB). Peak memory consumption was 459.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,023 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,023 INFO L168 Benchmark]: CACSL2BoogieTranslator took 762.18 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 103.9 MB in the beginning and 175.2 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,024 INFO L168 Benchmark]: Boogie Preprocessor took 90.20 ms. Allocated memory is still 205.5 MB. Free memory was 175.2 MB in the beginning and 170.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,025 INFO L168 Benchmark]: RCFGBuilder took 1220.03 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 170.5 MB in the beginning and 194.7 MB in the end (delta: -24.2 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,025 INFO L168 Benchmark]: TraceAbstraction took 25834.78 ms. Allocated memory was 234.9 MB in the beginning and 623.9 MB in the end (delta: 389.0 MB). Free memory was 193.3 MB in the beginning and 555.6 MB in the end (delta: -362.2 MB). Peak memory consumption was 461.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:36:37,029 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 147.3 MB. Free memory was 123.4 MB in the beginning and 123.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 762.18 ms. Allocated memory was 147.3 MB in the beginning and 205.5 MB in the end (delta: 58.2 MB). Free memory was 103.9 MB in the beginning and 175.2 MB in the end (delta: -71.3 MB). Peak memory consumption was 25.5 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.20 ms. Allocated memory is still 205.5 MB. Free memory was 175.2 MB in the beginning and 170.5 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1220.03 ms. Allocated memory was 205.5 MB in the beginning and 234.9 MB in the end (delta: 29.4 MB). Free memory was 170.5 MB in the beginning and 194.7 MB in the end (delta: -24.2 MB). Peak memory consumption was 81.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25834.78 ms. Allocated memory was 234.9 MB in the beginning and 623.9 MB in the end (delta: 389.0 MB). Free memory was 193.3 MB in the beginning and 555.6 MB in the end (delta: -362.2 MB). Peak memory consumption was 461.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 290]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 153]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 305]: Loop Invariant Derived loop invariant: ((((!(\old(waterLevel) <= 1) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 143]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 306]: Loop Invariant Derived loop invariant: (((((((((!(\old(waterLevel) <= 1) || (((0 == methAndRunningLastTime && 0 == systemActive) && 0 == pumpRunning) && splverifierCounter <= 0)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 < waterLevel + 1) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || (((((0 == methaneLevelCritical && 0 == methAndRunningLastTime) && 0 < waterLevel + 1) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || !(0 == \old(methAndRunningLastTime))) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || ((((0 < waterLevel + 1 && 1 <= methaneLevelCritical) && splverifierCounter <= 0) && 1 <= systemActive) && 1 <= pumpRunning)) || (((((0 == methAndRunningLastTime && 0 < waterLevel + 1) && 1 <= methaneLevelCritical) && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 236 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 11.4s, OverallIterations: 12, TraceHistogramMax: 3, AutomataDifference: 4.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 14.2s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 2101 SDtfs, 1764 SDslu, 2488 SDs, 0 SdLazy, 1831 SolverSat, 722 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1602 GetRequests, 1545 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2269occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.8s AutomataMinimizationTime, 12 MinimizatonAttempts, 704 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 62 LocationsWithAnnotation, 4528 PreInvPairs, 4816 NumberOfFragments, 3279 HoareAnnotationTreeSize, 4528 FomulaSimplifications, 13582 FormulaSimplificationTreeSizeReduction, 2.4s HoareSimplificationTime, 62 FomulaSimplificationsInter, 43336 FormulaSimplificationTreeSizeReductionInter, 11.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 1.2s InterpolantComputationTime, 1305 NumberOfCodeBlocks, 1305 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 1579 ConstructedInterpolants, 0 QuantifiedInterpolants, 399195 SizeOfPredicates, 33 NumberOfNonLiveVariables, 9825 ConjunctsInSsa, 116 ConjunctsInUnsatCore, 14 InterpolantComputations, 12 PerfectInterpolantSequences, 390/393 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...