/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_spec1_product45.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-20 10:40:33,773 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-20 10:40:33,776 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-20 10:40:33,789 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-20 10:40:33,789 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-20 10:40:33,790 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-20 10:40:33,791 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-20 10:40:33,793 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-20 10:40:33,795 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-20 10:40:33,796 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-20 10:40:33,797 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-20 10:40:33,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-20 10:40:33,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-20 10:40:33,799 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-20 10:40:33,800 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-20 10:40:33,801 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-20 10:40:33,802 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-20 10:40:33,803 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-20 10:40:33,805 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-20 10:40:33,807 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-20 10:40:33,809 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-20 10:40:33,810 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-20 10:40:33,811 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-20 10:40:33,812 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-20 10:40:33,815 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-20 10:40:33,815 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-20 10:40:33,816 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-20 10:40:33,817 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-20 10:40:33,817 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-20 10:40:33,818 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-20 10:40:33,818 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-20 10:40:33,819 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-20 10:40:33,820 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-20 10:40:33,821 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-20 10:40:33,822 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-20 10:40:33,822 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-20 10:40:33,823 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-20 10:40:33,823 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-20 10:40:33,823 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-20 10:40:33,824 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-20 10:40:33,825 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-20 10:40:33,826 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-20 10:40:33,840 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-20 10:40:33,840 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-20 10:40:33,841 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-20 10:40:33,842 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-20 10:40:33,842 INFO L138 SettingsManager]: * Use SBE=true [2020-07-20 10:40:33,842 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-20 10:40:33,842 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-20 10:40:33,843 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-20 10:40:33,843 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-20 10:40:33,843 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-20 10:40:33,843 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-20 10:40:33,843 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-20 10:40:33,844 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-20 10:40:33,844 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-20 10:40:33,844 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-20 10:40:33,844 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-20 10:40:33,844 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-20 10:40:33,844 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-20 10:40:33,845 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-20 10:40:33,845 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-20 10:40:33,845 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-20 10:40:33,845 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:40:33,845 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-20 10:40:33,846 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-20 10:40:33,846 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-20 10:40:33,846 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-20 10:40:33,846 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:33,847 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-20 10:40:33,847 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-20 10:40:33,847 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-20 10:40:34,146 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-20 10:40:34,163 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-20 10:40:34,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-20 10:40:34,168 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-20 10:40:34,168 INFO L275 PluginConnector]: CDTParser initialized [2020-07-20 10:40:34,169 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-07-20 10:40:34,241 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273319db7/919a9848e0dc4e02ac8a9b29846fe75b/FLAG8f6e4e201 [2020-07-20 10:40:34,752 INFO L306 CDTParser]: Found 1 translation units. [2020-07-20 10:40:34,753 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product45.cil.c [2020-07-20 10:40:34,766 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273319db7/919a9848e0dc4e02ac8a9b29846fe75b/FLAG8f6e4e201 [2020-07-20 10:40:35,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/273319db7/919a9848e0dc4e02ac8a9b29846fe75b [2020-07-20 10:40:35,083 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-20 10:40:35,086 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-20 10:40:35,089 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-20 10:40:35,089 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-20 10:40:35,092 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-20 10:40:35,093 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:40:35" (1/1) ... [2020-07-20 10:40:35,096 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ca61dc1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35, skipping insertion in model container [2020-07-20 10:40:35,096 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.07 10:40:35" (1/1) ... [2020-07-20 10:40:35,105 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-20 10:40:35,172 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-20 10:40:35,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:40:35,687 INFO L203 MainTranslator]: Completed pre-run [2020-07-20 10:40:35,763 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-20 10:40:35,803 INFO L208 MainTranslator]: Completed translation [2020-07-20 10:40:35,803 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35 WrapperNode [2020-07-20 10:40:35,803 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-20 10:40:35,804 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-20 10:40:35,804 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-20 10:40:35,804 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-20 10:40:35,819 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35" (1/1) ... [2020-07-20 10:40:35,819 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35" (1/1) ... [2020-07-20 10:40:35,839 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35" (1/1) ... [2020-07-20 10:40:35,839 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35" (1/1) ... [2020-07-20 10:40:35,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35" (1/1) ... [2020-07-20 10:40:35,880 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35" (1/1) ... [2020-07-20 10:40:35,886 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35" (1/1) ... [2020-07-20 10:40:35,894 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-20 10:40:35,895 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-20 10:40:35,895 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-20 10:40:35,895 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-20 10:40:35,896 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-20 10:40:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-20 10:40:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-20 10:40:35,968 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-20 10:40:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-20 10:40:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-20 10:40:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-20 10:40:35,969 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-20 10:40:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-20 10:40:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-20 10:40:35,970 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterSensorDry [2020-07-20 10:40:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-20 10:40:35,971 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-20 10:40:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-20 10:40:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-20 10:40:35,972 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-20 10:40:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-20 10:40:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-20 10:40:35,973 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-20 10:40:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-20 10:40:35,974 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-20 10:40:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-20 10:40:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-20 10:40:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-20 10:40:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-20 10:40:35,975 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-20 10:40:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-20 10:40:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-20 10:40:35,976 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-20 10:40:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-20 10:40:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-20 10:40:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:40:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-20 10:40:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:40:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-20 10:40:35,977 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-20 10:40:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-20 10:40:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-20 10:40:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-20 10:40:35,978 INFO L138 BoogieDeclarations]: Found implementation of procedure isHighWaterLevel [2020-07-20 10:40:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-20 10:40:35,978 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-20 10:40:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-20 10:40:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-20 10:40:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-20 10:40:35,979 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-20 10:40:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-20 10:40:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-20 10:40:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-20 10:40:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterSensorDry [2020-07-20 10:40:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-20 10:40:35,980 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-20 10:40:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-20 10:40:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-20 10:40:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-20 10:40:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-20 10:40:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-20 10:40:35,981 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-20 10:40:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-20 10:40:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-20 10:40:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-20 10:40:35,982 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-20 10:40:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-20 10:40:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-20 10:40:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-20 10:40:35,983 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-20 10:40:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-20 10:40:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-20 10:40:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-20 10:40:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-20 10:40:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-20 10:40:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-20 10:40:35,984 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-20 10:40:35,985 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-20 10:40:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-20 10:40:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-20 10:40:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-20 10:40:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-20 10:40:35,986 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-20 10:40:35,987 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-20 10:40:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-20 10:40:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-20 10:40:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-20 10:40:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-20 10:40:35,988 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-20 10:40:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-20 10:40:35,989 INFO L130 BoogieDeclarations]: Found specification of procedure isHighWaterLevel [2020-07-20 10:40:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__methaneQuery [2020-07-20 10:40:35,990 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-20 10:40:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__highWaterSensor [2020-07-20 10:40:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-20 10:40:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-20 10:40:35,991 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-20 10:40:37,203 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-20 10:40:37,203 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-20 10:40:37,211 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:40:37 BoogieIcfgContainer [2020-07-20 10:40:37,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-20 10:40:37,215 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-20 10:40:37,215 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-20 10:40:37,218 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-20 10:40:37,219 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.07 10:40:35" (1/3) ... [2020-07-20 10:40:37,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16320aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:40:37, skipping insertion in model container [2020-07-20 10:40:37,220 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.07 10:40:35" (2/3) ... [2020-07-20 10:40:37,220 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16320aae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.07 10:40:37, skipping insertion in model container [2020-07-20 10:40:37,221 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.07 10:40:37" (3/3) ... [2020-07-20 10:40:37,222 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product45.cil.c [2020-07-20 10:40:37,233 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-20 10:40:37,241 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-20 10:40:37,256 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-20 10:40:37,283 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-20 10:40:37,284 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-20 10:40:37,284 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-20 10:40:37,284 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-20 10:40:37,284 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-20 10:40:37,284 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-20 10:40:37,284 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-20 10:40:37,285 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-20 10:40:37,310 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-07-20 10:40:37,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-20 10:40:37,324 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:37,325 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:37,326 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:37,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:37,332 INFO L82 PathProgramCache]: Analyzing trace with hash 1763081390, now seen corresponding path program 1 times [2020-07-20 10:40:37,340 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:37,340 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [518669459] [2020-07-20 10:40:37,341 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:37,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:37,613 INFO L263 TraceCheckSpWp]: Trace formula consists of 636 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-20 10:40:37,623 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:37,656 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:37,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:37,658 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [518669459] [2020-07-20 10:40:37,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:37,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-20 10:40:37,660 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [198437852] [2020-07-20 10:40:37,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-20 10:40:37,666 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:37,681 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-20 10:40:37,682 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:40:37,684 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 2 states. [2020-07-20 10:40:37,728 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:37,728 INFO L93 Difference]: Finished difference Result 260 states and 325 transitions. [2020-07-20 10:40:37,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-20 10:40:37,730 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-20 10:40:37,730 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:37,743 INFO L225 Difference]: With dead ends: 260 [2020-07-20 10:40:37,743 INFO L226 Difference]: Without dead ends: 130 [2020-07-20 10:40:37,748 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-20 10:40:37,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-20 10:40:37,800 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-20 10:40:37,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-20 10:40:37,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 154 transitions. [2020-07-20 10:40:37,806 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 154 transitions. Word has length 46 [2020-07-20 10:40:37,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:37,806 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 154 transitions. [2020-07-20 10:40:37,806 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-20 10:40:37,807 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 154 transitions. [2020-07-20 10:40:37,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-20 10:40:37,810 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:37,811 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:38,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:38,026 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:38,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:38,027 INFO L82 PathProgramCache]: Analyzing trace with hash 1948835968, now seen corresponding path program 1 times [2020-07-20 10:40:38,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:38,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [213023853] [2020-07-20 10:40:38,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:38,223 INFO L263 TraceCheckSpWp]: Trace formula consists of 637 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-20 10:40:38,228 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:38,308 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:38,309 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:38,309 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [213023853] [2020-07-20 10:40:38,309 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:38,309 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-20 10:40:38,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279836588] [2020-07-20 10:40:38,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-20 10:40:38,312 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:38,312 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-20 10:40:38,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:38,312 INFO L87 Difference]: Start difference. First operand 130 states and 154 transitions. Second operand 3 states. [2020-07-20 10:40:38,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:38,357 INFO L93 Difference]: Finished difference Result 236 states and 287 transitions. [2020-07-20 10:40:38,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-20 10:40:38,361 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-20 10:40:38,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:38,363 INFO L225 Difference]: With dead ends: 236 [2020-07-20 10:40:38,364 INFO L226 Difference]: Without dead ends: 130 [2020-07-20 10:40:38,367 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-20 10:40:38,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 130 states. [2020-07-20 10:40:38,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 130 to 130. [2020-07-20 10:40:38,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-07-20 10:40:38,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 153 transitions. [2020-07-20 10:40:38,406 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 153 transitions. Word has length 47 [2020-07-20 10:40:38,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:38,406 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 153 transitions. [2020-07-20 10:40:38,407 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-20 10:40:38,407 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 153 transitions. [2020-07-20 10:40:38,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-20 10:40:38,414 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:38,415 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, 1, 1] [2020-07-20 10:40:38,627 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:38,628 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:38,628 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:38,628 INFO L82 PathProgramCache]: Analyzing trace with hash 137025886, now seen corresponding path program 1 times [2020-07-20 10:40:38,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:38,629 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250294582] [2020-07-20 10:40:38,630 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:38,815 INFO L263 TraceCheckSpWp]: Trace formula consists of 667 conjuncts, 15 conjunts are in the unsatisfiable core [2020-07-20 10:40:38,819 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:38,869 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:38,869 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:38,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250294582] [2020-07-20 10:40:38,870 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:38,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2020-07-20 10:40:38,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1496750320] [2020-07-20 10:40:38,871 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-07-20 10:40:38,871 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:38,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-07-20 10:40:38,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:40:38,872 INFO L87 Difference]: Start difference. First operand 130 states and 153 transitions. Second operand 7 states. [2020-07-20 10:40:39,660 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:39,660 INFO L93 Difference]: Finished difference Result 342 states and 445 transitions. [2020-07-20 10:40:39,661 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-07-20 10:40:39,661 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 64 [2020-07-20 10:40:39,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:39,665 INFO L225 Difference]: With dead ends: 342 [2020-07-20 10:40:39,665 INFO L226 Difference]: Without dead ends: 236 [2020-07-20 10:40:39,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2020-07-20 10:40:39,668 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2020-07-20 10:40:39,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 207. [2020-07-20 10:40:39,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-07-20 10:40:39,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 254 transitions. [2020-07-20 10:40:39,695 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 254 transitions. Word has length 64 [2020-07-20 10:40:39,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:39,695 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 254 transitions. [2020-07-20 10:40:39,696 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-07-20 10:40:39,696 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 254 transitions. [2020-07-20 10:40:39,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2020-07-20 10:40:39,702 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:39,702 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:39,915 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:39,916 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:39,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:39,917 INFO L82 PathProgramCache]: Analyzing trace with hash -1945522677, now seen corresponding path program 1 times [2020-07-20 10:40:39,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:39,918 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1443171494] [2020-07-20 10:40:39,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:40,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:40,125 INFO L263 TraceCheckSpWp]: Trace formula consists of 744 conjuncts, 23 conjunts are in the unsatisfiable core [2020-07-20 10:40:40,131 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:40,203 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-07-20 10:40:40,204 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:40,205 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1443171494] [2020-07-20 10:40:40,205 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:40,206 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-20 10:40:40,206 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [228328307] [2020-07-20 10:40:40,207 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-20 10:40:40,207 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:40,207 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-20 10:40:40,208 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-20 10:40:40,209 INFO L87 Difference]: Start difference. First operand 207 states and 254 transitions. Second operand 6 states. [2020-07-20 10:40:40,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:40,457 INFO L93 Difference]: Finished difference Result 562 states and 731 transitions. [2020-07-20 10:40:40,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-07-20 10:40:40,457 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 94 [2020-07-20 10:40:40,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:40,463 INFO L225 Difference]: With dead ends: 562 [2020-07-20 10:40:40,463 INFO L226 Difference]: Without dead ends: 361 [2020-07-20 10:40:40,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:40,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2020-07-20 10:40:40,496 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 357. [2020-07-20 10:40:40,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 357 states. [2020-07-20 10:40:40,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 357 states and 435 transitions. [2020-07-20 10:40:40,500 INFO L78 Accepts]: Start accepts. Automaton has 357 states and 435 transitions. Word has length 94 [2020-07-20 10:40:40,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:40,500 INFO L479 AbstractCegarLoop]: Abstraction has 357 states and 435 transitions. [2020-07-20 10:40:40,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-20 10:40:40,501 INFO L276 IsEmpty]: Start isEmpty. Operand 357 states and 435 transitions. [2020-07-20 10:40:40,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2020-07-20 10:40:40,503 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:40,503 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:40,717 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:40,718 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:40,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:40,719 INFO L82 PathProgramCache]: Analyzing trace with hash -1913348729, now seen corresponding path program 1 times [2020-07-20 10:40:40,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:40,720 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [988031371] [2020-07-20 10:40:40,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:40,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:40,905 INFO L263 TraceCheckSpWp]: Trace formula consists of 754 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:40:40,909 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:40,986 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-20 10:40:40,987 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:40,987 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [988031371] [2020-07-20 10:40:40,987 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:40,987 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:40:40,988 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249816276] [2020-07-20 10:40:40,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:40:40,988 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:40,989 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:40:40,989 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:40,989 INFO L87 Difference]: Start difference. First operand 357 states and 435 transitions. Second operand 8 states. [2020-07-20 10:40:41,328 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:41,328 INFO L93 Difference]: Finished difference Result 677 states and 836 transitions. [2020-07-20 10:40:41,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:40:41,329 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 98 [2020-07-20 10:40:41,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:41,332 INFO L225 Difference]: With dead ends: 677 [2020-07-20 10:40:41,332 INFO L226 Difference]: Without dead ends: 335 [2020-07-20 10:40:41,334 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 90 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:41,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-07-20 10:40:41,355 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 335. [2020-07-20 10:40:41,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 335 states. [2020-07-20 10:40:41,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 335 states and 393 transitions. [2020-07-20 10:40:41,358 INFO L78 Accepts]: Start accepts. Automaton has 335 states and 393 transitions. Word has length 98 [2020-07-20 10:40:41,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:41,359 INFO L479 AbstractCegarLoop]: Abstraction has 335 states and 393 transitions. [2020-07-20 10:40:41,359 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:40:41,359 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 393 transitions. [2020-07-20 10:40:41,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 10:40:41,361 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:41,362 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:41,575 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:41,576 INFO L427 AbstractCegarLoop]: === Iteration 6 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:41,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:41,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1989653921, now seen corresponding path program 1 times [2020-07-20 10:40:41,578 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:41,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1792328395] [2020-07-20 10:40:41,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:41,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:41,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 868 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-20 10:40:41,800 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:41,882 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 32 proven. 1 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2020-07-20 10:40:41,882 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2020-07-20 10:40:42,040 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:40:42,068 INFO L501 QuantifierPusher]: Distributing 2 disjuncts over 2 conjuncts [2020-07-20 10:40:42,165 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2020-07-20 10:40:42,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1792328395] [2020-07-20 10:40:42,166 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2020-07-20 10:40:42,166 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2020-07-20 10:40:42,166 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1921189940] [2020-07-20 10:40:42,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-07-20 10:40:42,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:42,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-07-20 10:40:42,168 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2020-07-20 10:40:42,168 INFO L87 Difference]: Start difference. First operand 335 states and 393 transitions. Second operand 5 states. [2020-07-20 10:40:42,662 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:42,663 INFO L93 Difference]: Finished difference Result 905 states and 1126 transitions. [2020-07-20 10:40:42,663 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-20 10:40:42,664 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 149 [2020-07-20 10:40:42,665 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:42,669 INFO L225 Difference]: With dead ends: 905 [2020-07-20 10:40:42,669 INFO L226 Difference]: Without dead ends: 594 [2020-07-20 10:40:42,671 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 298 GetRequests, 285 SyntacticMatches, 7 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:42,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 594 states. [2020-07-20 10:40:42,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 594 to 570. [2020-07-20 10:40:42,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 570 states. [2020-07-20 10:40:42,712 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 570 states and 711 transitions. [2020-07-20 10:40:42,713 INFO L78 Accepts]: Start accepts. Automaton has 570 states and 711 transitions. Word has length 149 [2020-07-20 10:40:42,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:42,714 INFO L479 AbstractCegarLoop]: Abstraction has 570 states and 711 transitions. [2020-07-20 10:40:42,714 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-07-20 10:40:42,714 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 711 transitions. [2020-07-20 10:40:42,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2020-07-20 10:40:42,717 INFO L414 BasicCegarLoop]: Found error trace [2020-07-20 10:40:42,717 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-20 10:40:42,931 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:42,932 INFO L427 AbstractCegarLoop]: === Iteration 7 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-20 10:40:42,933 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-20 10:40:42,933 INFO L82 PathProgramCache]: Analyzing trace with hash 59733921, now seen corresponding path program 1 times [2020-07-20 10:40:42,934 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-20 10:40:42,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [794947285] [2020-07-20 10:40:42,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:43,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-20 10:40:43,116 INFO L263 TraceCheckSpWp]: Trace formula consists of 870 conjuncts, 9 conjunts are in the unsatisfiable core [2020-07-20 10:40:43,119 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-20 10:40:43,200 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2020-07-20 10:40:43,201 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-20 10:40:43,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [794947285] [2020-07-20 10:40:43,201 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-20 10:40:43,201 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-07-20 10:40:43,202 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1753977357] [2020-07-20 10:40:43,202 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-07-20 10:40:43,202 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-20 10:40:43,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-07-20 10:40:43,203 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:43,203 INFO L87 Difference]: Start difference. First operand 570 states and 711 transitions. Second operand 8 states. [2020-07-20 10:40:43,513 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-20 10:40:43,513 INFO L93 Difference]: Finished difference Result 1054 states and 1334 transitions. [2020-07-20 10:40:43,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-07-20 10:40:43,516 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 149 [2020-07-20 10:40:43,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-20 10:40:43,518 INFO L225 Difference]: With dead ends: 1054 [2020-07-20 10:40:43,518 INFO L226 Difference]: Without dead ends: 0 [2020-07-20 10:40:43,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 148 GetRequests, 141 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-20 10:40:43,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-20 10:40:43,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-20 10:40:43,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-20 10:40:43,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-20 10:40:43,528 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 149 [2020-07-20 10:40:43,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-20 10:40:43,529 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-20 10:40:43,529 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-07-20 10:40:43,529 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-20 10:40:43,529 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-20 10:40:43,739 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 8 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-20 10:40:43,742 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-20 10:40:44,977 WARN L193 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 23 [2020-07-20 10:40:45,805 WARN L193 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 24 [2020-07-20 10:40:46,657 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 27 [2020-07-20 10:40:47,241 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 28 [2020-07-20 10:40:47,246 INFO L268 CegarLoopResult]: For program point L413(lines 390 414) no Hoare annotation was computed. [2020-07-20 10:40:47,246 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 366 421) no Hoare annotation was computed. [2020-07-20 10:40:47,247 INFO L268 CegarLoopResult]: For program point L397(lines 397 401) no Hoare annotation was computed. [2020-07-20 10:40:47,247 INFO L268 CegarLoopResult]: For program point L397-1(lines 397 401) no Hoare annotation was computed. [2020-07-20 10:40:47,247 INFO L268 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2020-07-20 10:40:47,247 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 366 421) no Hoare annotation was computed. [2020-07-20 10:40:47,247 INFO L268 CegarLoopResult]: For program point L391-2(lines 391 412) no Hoare annotation was computed. [2020-07-20 10:40:47,247 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 366 421) no Hoare annotation was computed. [2020-07-20 10:40:47,247 INFO L268 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2020-07-20 10:40:47,247 INFO L268 CegarLoopResult]: For program point L448-2(lines 448 473) no Hoare annotation was computed. [2020-07-20 10:40:47,248 INFO L268 CegarLoopResult]: For program point L474(lines 447 475) no Hoare annotation was computed. [2020-07-20 10:40:47,248 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 422 481) no Hoare annotation was computed. [2020-07-20 10:40:47,248 INFO L268 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2020-07-20 10:40:47,248 INFO L268 CegarLoopResult]: For program point L467-1(line 467) no Hoare annotation was computed. [2020-07-20 10:40:47,248 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 422 481) no Hoare annotation was computed. [2020-07-20 10:40:47,248 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 422 481) no Hoare annotation was computed. [2020-07-20 10:40:47,248 INFO L268 CegarLoopResult]: For program point L454(lines 454 458) no Hoare annotation was computed. [2020-07-20 10:40:47,248 INFO L268 CegarLoopResult]: For program point L454-1(lines 454 458) no Hoare annotation was computed. [2020-07-20 10:40:47,249 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 297 303) the Hoare annotation is: true [2020-07-20 10:40:47,249 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 297 303) no Hoare annotation was computed. [2020-07-20 10:40:47,249 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 304 312) no Hoare annotation was computed. [2020-07-20 10:40:47,249 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 304 312) the Hoare annotation is: true [2020-07-20 10:40:47,249 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 304 312) no Hoare annotation was computed. [2020-07-20 10:40:47,250 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 255 277) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,250 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 255 277) no Hoare annotation was computed. [2020-07-20 10:40:47,250 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 255 277) no Hoare annotation was computed. [2020-07-20 10:40:47,250 INFO L264 CegarLoopResult]: At program point L267(line 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,250 INFO L264 CegarLoopResult]: At program point L267-1(line 267) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,250 INFO L268 CegarLoopResult]: For program point L265(lines 265 272) no Hoare annotation was computed. [2020-07-20 10:40:47,251 INFO L268 CegarLoopResult]: For program point L265-1(lines 265 272) no Hoare annotation was computed. [2020-07-20 10:40:47,251 INFO L268 CegarLoopResult]: For program point L263(line 263) no Hoare annotation was computed. [2020-07-20 10:40:47,251 INFO L264 CegarLoopResult]: At program point L262(line 262) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,251 INFO L264 CegarLoopResult]: At program point L261(line 261) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,251 INFO L264 CegarLoopResult]: At program point L261-1(line 261) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,251 INFO L268 CegarLoopResult]: For program point L225(line 225) no Hoare annotation was computed. [2020-07-20 10:40:47,252 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-20 10:40:47,252 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 210 233) no Hoare annotation was computed. [2020-07-20 10:40:47,252 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-07-20 10:40:47,252 INFO L268 CegarLoopResult]: For program point L222(line 222) no Hoare annotation was computed. [2020-07-20 10:40:47,252 INFO L268 CegarLoopResult]: For program point L221(line 221) no Hoare annotation was computed. [2020-07-20 10:40:47,252 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 210 233) no Hoare annotation was computed. [2020-07-20 10:40:47,252 INFO L268 CegarLoopResult]: For program point L220(line 220) no Hoare annotation was computed. [2020-07-20 10:40:47,253 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 210 233) no Hoare annotation was computed. [2020-07-20 10:40:47,253 INFO L268 CegarLoopResult]: For program point L219(line 219) no Hoare annotation was computed. [2020-07-20 10:40:47,253 INFO L268 CegarLoopResult]: For program point L218(line 218) no Hoare annotation was computed. [2020-07-20 10:40:47,253 INFO L268 CegarLoopResult]: For program point L217(line 217) no Hoare annotation was computed. [2020-07-20 10:40:47,253 INFO L268 CegarLoopResult]: For program point L216(line 216) no Hoare annotation was computed. [2020-07-20 10:40:47,253 INFO L268 CegarLoopResult]: For program point L215(line 215) no Hoare annotation was computed. [2020-07-20 10:40:47,253 INFO L268 CegarLoopResult]: For program point L228(line 228) no Hoare annotation was computed. [2020-07-20 10:40:47,253 INFO L268 CegarLoopResult]: For program point L227(line 227) no Hoare annotation was computed. [2020-07-20 10:40:47,254 INFO L268 CegarLoopResult]: For program point L226(line 226) no Hoare annotation was computed. [2020-07-20 10:40:47,254 INFO L264 CegarLoopResult]: At program point L801(line 801) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (not (= 0 |old(~pumpRunning~0)|))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse2) (or .cse0 .cse2 .cse1))) [2020-07-20 10:40:47,254 INFO L268 CegarLoopResult]: For program point L801-1(lines 782 806) no Hoare annotation was computed. [2020-07-20 10:40:47,254 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:40:47,254 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:40:47,254 INFO L268 CegarLoopResult]: For program point L790(lines 790 798) no Hoare annotation was computed. [2020-07-20 10:40:47,255 INFO L264 CegarLoopResult]: At program point L788(line 788) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) .cse1) (or .cse0 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:40:47,255 INFO L268 CegarLoopResult]: For program point L788-1(line 788) no Hoare annotation was computed. [2020-07-20 10:40:47,255 INFO L268 CegarLoopResult]: For program point L786(lines 786 803) no Hoare annotation was computed. [2020-07-20 10:40:47,255 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__methaneQueryENTRY(lines 782 806) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:40:47,255 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__methaneQueryEXIT(lines 782 806) no Hoare annotation was computed. [2020-07-20 10:40:47,255 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 877 885) no Hoare annotation was computed. [2020-07-20 10:40:47,255 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 877 885) the Hoare annotation is: true [2020-07-20 10:40:47,256 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 877 885) no Hoare annotation was computed. [2020-07-20 10:40:47,256 INFO L268 CegarLoopResult]: For program point L893(lines 893 901) no Hoare annotation was computed. [2020-07-20 10:40:47,256 INFO L268 CegarLoopResult]: For program point L893-2(lines 893 901) no Hoare annotation was computed. [2020-07-20 10:40:47,256 INFO L268 CegarLoopResult]: For program point L916(line 916) no Hoare annotation was computed. [2020-07-20 10:40:47,256 INFO L268 CegarLoopResult]: For program point L916-1(line 916) no Hoare annotation was computed. [2020-07-20 10:40:47,256 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 886 921) no Hoare annotation was computed. [2020-07-20 10:40:47,256 INFO L268 CegarLoopResult]: For program point L905(lines 905 913) no Hoare annotation was computed. [2020-07-20 10:40:47,257 INFO L268 CegarLoopResult]: For program point L905-2(lines 905 913) no Hoare annotation was computed. [2020-07-20 10:40:47,257 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 886 921) no Hoare annotation was computed. [2020-07-20 10:40:47,257 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 886 921) no Hoare annotation was computed. [2020-07-20 10:40:47,257 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 290 296) no Hoare annotation was computed. [2020-07-20 10:40:47,257 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 290 296) the Hoare annotation is: true [2020-07-20 10:40:47,257 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 320 365) no Hoare annotation was computed. [2020-07-20 10:40:47,257 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 320 365) no Hoare annotation was computed. [2020-07-20 10:40:47,257 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 320 365) no Hoare annotation was computed. [2020-07-20 10:40:47,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 633 678) no Hoare annotation was computed. [2020-07-20 10:40:47,258 INFO L268 CegarLoopResult]: For program point L653(lines 653 660) no Hoare annotation was computed. [2020-07-20 10:40:47,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 633 678) no Hoare annotation was computed. [2020-07-20 10:40:47,258 INFO L268 CegarLoopResult]: For program point L647(lines 647 667) no Hoare annotation was computed. [2020-07-20 10:40:47,258 INFO L268 CegarLoopResult]: For program point L647-1(lines 647 667) no Hoare annotation was computed. [2020-07-20 10:40:47,258 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 633 678) no Hoare annotation was computed. [2020-07-20 10:40:47,259 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 242 251) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,259 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 242 251) no Hoare annotation was computed. [2020-07-20 10:40:47,259 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 242 251) no Hoare annotation was computed. [2020-07-20 10:40:47,259 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 866 876) the Hoare annotation is: true [2020-07-20 10:40:47,259 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 866 876) no Hoare annotation was computed. [2020-07-20 10:40:47,259 INFO L271 CegarLoopResult]: At program point L871(line 871) the Hoare annotation is: true [2020-07-20 10:40:47,260 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 866 876) no Hoare annotation was computed. [2020-07-20 10:40:47,260 INFO L268 CegarLoopResult]: For program point L871-1(line 871) no Hoare annotation was computed. [2020-07-20 10:40:47,260 INFO L264 CegarLoopResult]: At program point deactivatePumpENTRY(lines 858 865) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:40:47,260 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 858 865) no Hoare annotation was computed. [2020-07-20 10:40:47,260 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 858 865) no Hoare annotation was computed. [2020-07-20 10:40:47,260 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryEXIT(lines 126 139) no Hoare annotation was computed. [2020-07-20 10:40:47,260 INFO L271 CegarLoopResult]: At program point isHighWaterSensorDryENTRY(lines 126 139) the Hoare annotation is: true [2020-07-20 10:40:47,261 INFO L268 CegarLoopResult]: For program point L130(lines 130 136) no Hoare annotation was computed. [2020-07-20 10:40:47,261 INFO L268 CegarLoopResult]: For program point isHighWaterSensorDryFINAL(lines 126 139) no Hoare annotation was computed. [2020-07-20 10:40:47,261 INFO L264 CegarLoopResult]: At program point L827(line 827) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= 0 ~pumpRunning~0)))) (and (or .cse0 .cse1 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:40:47,261 INFO L268 CegarLoopResult]: For program point L827-1(lines 808 832) no Hoare annotation was computed. [2020-07-20 10:40:47,261 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 808 832) no Hoare annotation was computed. [2020-07-20 10:40:47,261 INFO L264 CegarLoopResult]: At program point L822(line 822) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0))) (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) .cse1) (or .cse0 (not (= 0 |old(~pumpRunning~0)|)) .cse1))) [2020-07-20 10:40:47,262 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 808 832) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1))) [2020-07-20 10:40:47,262 INFO L264 CegarLoopResult]: At program point L818(line 818) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 (and (<= ~methaneLevelCritical~0 processEnvironment_~tmp~7) .cse1)))) [2020-07-20 10:40:47,262 INFO L268 CegarLoopResult]: For program point L816(lines 816 824) no Hoare annotation was computed. [2020-07-20 10:40:47,262 INFO L264 CegarLoopResult]: At program point L814(line 814) the Hoare annotation is: (let ((.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse4) (or .cse0 .cse4 .cse2) (or .cse0 .cse3 .cse1))) [2020-07-20 10:40:47,262 INFO L268 CegarLoopResult]: For program point L814-1(line 814) no Hoare annotation was computed. [2020-07-20 10:40:47,262 INFO L268 CegarLoopResult]: For program point L812(lines 812 829) no Hoare annotation was computed. [2020-07-20 10:40:47,262 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 774 780) no Hoare annotation was computed. [2020-07-20 10:40:47,263 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 774 780) the Hoare annotation is: true [2020-07-20 10:40:47,263 INFO L264 CegarLoopResult]: At program point testENTRY(lines 680 743) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,263 INFO L264 CegarLoopResult]: At program point L702(line 702) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,263 INFO L264 CegarLoopResult]: At program point L733(lines 690 735) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,263 INFO L268 CegarLoopResult]: For program point L700(lines 700 706) no Hoare annotation was computed. [2020-07-20 10:40:47,263 INFO L268 CegarLoopResult]: For program point L700-1(lines 700 706) no Hoare annotation was computed. [2020-07-20 10:40:47,263 INFO L268 CegarLoopResult]: For program point testFINAL(lines 680 743) no Hoare annotation was computed. [2020-07-20 10:40:47,264 INFO L268 CegarLoopResult]: For program point L692(lines 692 696) no Hoare annotation was computed. [2020-07-20 10:40:47,264 INFO L264 CegarLoopResult]: At program point L736(lines 689 737) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,264 INFO L268 CegarLoopResult]: For program point L726(lines 726 730) no Hoare annotation was computed. [2020-07-20 10:40:47,264 INFO L264 CegarLoopResult]: At program point L726-2(lines 720 731) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (<= 1 ~methaneLevelCritical~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,264 INFO L268 CegarLoopResult]: For program point L691(lines 690 735) no Hoare annotation was computed. [2020-07-20 10:40:47,264 INFO L268 CegarLoopResult]: For program point L720(lines 720 731) no Hoare annotation was computed. [2020-07-20 10:40:47,264 INFO L264 CegarLoopResult]: At program point L712(line 712) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (= 0 ~methaneLevelCritical~0) (not (= 0 |old(~pumpRunning~0)|)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (<= 1 ~methaneLevelCritical~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-20 10:40:47,265 INFO L268 CegarLoopResult]: For program point L710(lines 710 716) no Hoare annotation was computed. [2020-07-20 10:40:47,265 INFO L268 CegarLoopResult]: For program point L710-1(lines 710 716) no Hoare annotation was computed. [2020-07-20 10:40:47,265 INFO L268 CegarLoopResult]: For program point testEXIT(lines 680 743) no Hoare annotation was computed. [2020-07-20 10:40:47,265 INFO L268 CegarLoopResult]: For program point L607(lines 607 614) no Hoare annotation was computed. [2020-07-20 10:40:47,265 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 587 632) no Hoare annotation was computed. [2020-07-20 10:40:47,265 INFO L268 CegarLoopResult]: For program point L601(lines 601 621) no Hoare annotation was computed. [2020-07-20 10:40:47,265 INFO L268 CegarLoopResult]: For program point L601-1(lines 601 621) no Hoare annotation was computed. [2020-07-20 10:40:47,265 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 587 632) no Hoare annotation was computed. [2020-07-20 10:40:47,266 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 587 632) no Hoare annotation was computed. [2020-07-20 10:40:47,266 INFO L264 CegarLoopResult]: At program point activatePump__wrappee__highWaterSensorENTRY(lines 833 840) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)) [2020-07-20 10:40:47,266 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorEXIT(lines 833 840) no Hoare annotation was computed. [2020-07-20 10:40:47,266 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__highWaterSensorFINAL(lines 833 840) no Hoare annotation was computed. [2020-07-20 10:40:47,266 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:40:47,266 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-07-20 10:40:47,266 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:40:47,267 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-07-20 10:40:47,267 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-07-20 10:40:47,267 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 280 289) no Hoare annotation was computed. [2020-07-20 10:40:47,267 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 280 289) no Hoare annotation was computed. [2020-07-20 10:40:47,267 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 280 289) no Hoare annotation was computed. [2020-07-20 10:40:47,267 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 484 586) no Hoare annotation was computed. [2020-07-20 10:40:47,267 INFO L268 CegarLoopResult]: For program point L508(lines 508 512) no Hoare annotation was computed. [2020-07-20 10:40:47,267 INFO L268 CegarLoopResult]: For program point L572(lines 572 583) no Hoare annotation was computed. [2020-07-20 10:40:47,267 INFO L268 CegarLoopResult]: For program point L535(lines 535 539) no Hoare annotation was computed. [2020-07-20 10:40:47,268 INFO L268 CegarLoopResult]: For program point L533-2(lines 533 553) no Hoare annotation was computed. [2020-07-20 10:40:47,268 INFO L268 CegarLoopResult]: For program point L554(lines 532 555) no Hoare annotation was computed. [2020-07-20 10:40:47,268 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 484 586) no Hoare annotation was computed. [2020-07-20 10:40:47,268 INFO L268 CegarLoopResult]: For program point L513(lines 513 529) no Hoare annotation was computed. [2020-07-20 10:40:47,268 INFO L268 CegarLoopResult]: For program point L573(lines 573 580) no Hoare annotation was computed. [2020-07-20 10:40:47,268 INFO L268 CegarLoopResult]: For program point L534(lines 533 553) no Hoare annotation was computed. [2020-07-20 10:40:47,268 INFO L268 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2020-07-20 10:40:47,268 INFO L268 CegarLoopResult]: For program point L565-1(line 565) no Hoare annotation was computed. [2020-07-20 10:40:47,269 INFO L268 CegarLoopResult]: For program point L530(lines 530 571) no Hoare annotation was computed. [2020-07-20 10:40:47,269 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 484 586) no Hoare annotation was computed. [2020-07-20 10:40:47,269 INFO L268 CegarLoopResult]: For program point L549(line 549) no Hoare annotation was computed. [2020-07-20 10:40:47,269 INFO L268 CegarLoopResult]: For program point L549-1(line 549) no Hoare annotation was computed. [2020-07-20 10:40:47,269 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:47,269 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~pumpRunning~0 |old(~pumpRunning~0)|) (or (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1))) [2020-07-20 10:40:47,269 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:47,269 INFO L268 CegarLoopResult]: For program point L848(lines 848 854) no Hoare annotation was computed. [2020-07-20 10:40:47,270 INFO L264 CegarLoopResult]: At program point L846(line 846) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:40:47,270 INFO L268 CegarLoopResult]: For program point L846-1(line 846) no Hoare annotation was computed. [2020-07-20 10:40:47,270 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 841 857) no Hoare annotation was computed. [2020-07-20 10:40:47,270 INFO L264 CegarLoopResult]: At program point activatePumpENTRY(lines 841 857) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (= 0 ~pumpRunning~0))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) .cse2))) [2020-07-20 10:40:47,270 INFO L264 CegarLoopResult]: At program point L852(line 852) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1) (or .cse0 .cse1 (not (= 0 ~methaneLevelCritical~0)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:40:47,270 INFO L268 CegarLoopResult]: For program point L852-1(lines 841 857) no Hoare annotation was computed. [2020-07-20 10:40:47,270 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-07-20 10:40:47,270 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-07-20 10:40:47,271 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-07-20 10:40:47,271 INFO L271 CegarLoopResult]: At program point L929(line 929) the Hoare annotation is: true [2020-07-20 10:40:47,271 INFO L268 CegarLoopResult]: For program point L931-2(lines 931 935) no Hoare annotation was computed. [2020-07-20 10:40:47,271 INFO L268 CegarLoopResult]: For program point isHighWaterLevelEXIT(lines 922 940) no Hoare annotation was computed. [2020-07-20 10:40:47,271 INFO L268 CegarLoopResult]: For program point L929-1(line 929) no Hoare annotation was computed. [2020-07-20 10:40:47,271 INFO L271 CegarLoopResult]: At program point isHighWaterLevelENTRY(lines 922 940) the Hoare annotation is: true [2020-07-20 10:40:47,271 INFO L268 CegarLoopResult]: For program point isHighWaterLevelFINAL(lines 922 940) no Hoare annotation was computed. [2020-07-20 10:40:47,271 INFO L268 CegarLoopResult]: For program point L931(lines 931 935) no Hoare annotation was computed. [2020-07-20 10:40:47,272 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-07-20 10:40:47,272 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (<= 1 ~methaneLevelCritical~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~methaneLevelCritical~0)|))) (or .cse0 (= 0 ~methaneLevelCritical~0) (not (= |old(~methaneLevelCritical~0)| 0))))) [2020-07-20 10:40:47,272 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-07-20 10:40:47,272 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:47,272 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-20 10:40:47,272 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:47,272 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-07-20 10:40:47,272 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-07-20 10:40:47,273 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-07-20 10:40:47,273 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (let ((.cse1 (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (.cse3 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse4 (not (= 0 |old(~pumpRunning~0)|))) (.cse2 (not (= 0 ~methaneLevelCritical~0)))) (and (or .cse0 .cse1 .cse2) (or .cse0 .cse3 .cse1) (or .cse0 .cse3 (< 0 ~waterLevel~0) .cse4 (< |old(~waterLevel~0)| 1)) (or .cse0 .cse4 .cse2 (<= 1 ~waterLevel~0) (not (<= 1 |old(~waterLevel~0)|))))) [2020-07-20 10:40:47,273 INFO L264 CegarLoopResult]: At program point L761(lines 761 767) the Hoare annotation is: (let ((.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse2 (< 0 ~waterLevel~0)) (.cse3 (not (= 0 |old(~pumpRunning~0)|))) (.cse4 (< |old(~waterLevel~0)| 1))) (and (or .cse0 .cse1 (= 0 ~pumpRunning~0)) (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 .cse2 .cse3 (not (= 0 ~methaneLevelCritical~0)) .cse4))) [2020-07-20 10:40:47,273 INFO L264 CegarLoopResult]: At program point L756(line 756) the Hoare annotation is: (let ((.cse2 (<= 1 ~waterLevel~0)) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse6 (not (= 0 |old(~pumpRunning~0)|))) (.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse1 .cse6) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse6 .cse5) (or .cse0 .cse1 .cse4))) [2020-07-20 10:40:47,273 INFO L268 CegarLoopResult]: For program point L754(lines 753 772) no Hoare annotation was computed. [2020-07-20 10:40:47,273 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 750 773) the Hoare annotation is: (let ((.cse5 (not (= 0 ~methaneLevelCritical~0))) (.cse2 (<= 1 ~waterLevel~0)) (.cse3 (not (<= 1 |old(~waterLevel~0)|))) (.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (not (<= 1 ~methaneLevelCritical~0))) (.cse4 (= ~pumpRunning~0 |old(~pumpRunning~0)|))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse4 .cse5) (or .cse0 .cse5 .cse2 .cse3) (or .cse0 .cse1 .cse4))) [2020-07-20 10:40:47,274 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 750 773) no Hoare annotation was computed. [2020-07-20 10:40:47,274 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 750 773) no Hoare annotation was computed. [2020-07-20 10:40:47,274 INFO L268 CegarLoopResult]: For program point L193(lines 193 197) no Hoare annotation was computed. [2020-07-20 10:40:47,274 INFO L264 CegarLoopResult]: At program point L193-1(lines 193 197) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:40:47,274 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 179 208) no Hoare annotation was computed. [2020-07-20 10:40:47,274 INFO L268 CegarLoopResult]: For program point L190(line 190) no Hoare annotation was computed. [2020-07-20 10:40:47,274 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 179 208) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:40:47,275 INFO L264 CegarLoopResult]: At program point L189-2(lines 189 203) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-20 10:40:47,275 INFO L264 CegarLoopResult]: At program point L185(line 185) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~methaneLevelCritical~0))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)))) [2020-07-20 10:40:47,275 INFO L268 CegarLoopResult]: For program point L185-1(line 185) no Hoare annotation was computed. [2020-07-20 10:40:47,275 INFO L271 CegarLoopResult]: At program point L204(lines 179 208) the Hoare annotation is: true [2020-07-20 10:40:47,275 INFO L268 CegarLoopResult]: For program point L200(line 200) no Hoare annotation was computed. [2020-07-20 10:40:47,275 INFO L264 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0))) (.cse1 (<= 1 ~waterLevel~0)) (.cse2 (not (<= 1 |old(~waterLevel~0)|)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) .cse1 .cse2) (or .cse0 (not (= 0 ~methaneLevelCritical~0)) .cse1 .cse2))) [2020-07-20 10:40:47,276 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-07-20 10:40:47,276 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-07-20 10:40:47,276 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 234 240) no Hoare annotation was computed. [2020-07-20 10:40:47,276 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 234 240) the Hoare annotation is: true [2020-07-20 10:40:47,276 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-20 10:40:47,276 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~methaneLevelCritical~0) (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-20 10:40:47,276 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-20 10:40:47,276 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-20 10:40:47,276 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-07-20 10:40:47,277 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-07-20 10:40:47,277 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (= 0 ~methaneLevelCritical~0)) (<= 1 ~waterLevel~0) (not (<= 1 |old(~waterLevel~0)|))) (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (< 0 ~waterLevel~0) (< |old(~waterLevel~0)| 1) (not (= 0 ~pumpRunning~0))))) [2020-07-20 10:40:47,277 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 141 148) no Hoare annotation was computed. [2020-07-20 10:40:47,277 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2020-07-20 10:40:47,277 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 141 148) the Hoare annotation is: true [2020-07-20 10:40:47,277 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 141 148) no Hoare annotation was computed. [2020-07-20 10:40:47,278 INFO L264 CegarLoopResult]: At program point L161(line 161) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 ~methaneLevelCritical~0))) [2020-07-20 10:40:47,278 INFO L268 CegarLoopResult]: For program point L161-1(line 161) no Hoare annotation was computed. [2020-07-20 10:40:47,278 INFO L268 CegarLoopResult]: For program point L159(lines 159 172) no Hoare annotation was computed. [2020-07-20 10:40:47,278 INFO L268 CegarLoopResult]: For program point L159-1(lines 151 175) no Hoare annotation was computed. [2020-07-20 10:40:47,278 INFO L271 CegarLoopResult]: At program point L157(line 157) the Hoare annotation is: true [2020-07-20 10:40:47,278 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 151 175) the Hoare annotation is: true [2020-07-20 10:40:47,278 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-07-20 10:40:47,278 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 151 175) no Hoare annotation was computed. [2020-07-20 10:40:47,279 INFO L264 CegarLoopResult]: At program point L165(line 165) the Hoare annotation is: (let ((.cse0 (not (<= 1 ~systemActive~0)))) (and (or .cse0 (not (<= 1 ~methaneLevelCritical~0)) (not (= 0 ~pumpRunning~0))) (or .cse0 (not (= 0 ~methaneLevelCritical~0))))) [2020-07-20 10:40:47,279 INFO L268 CegarLoopResult]: For program point L163(lines 163 169) no Hoare annotation was computed. [2020-07-20 10:40:47,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.07 10:40:47 BoogieIcfgContainer [2020-07-20 10:40:47,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-20 10:40:47,306 INFO L168 Benchmark]: Toolchain (without parser) took 12220.98 ms. Allocated memory was 138.4 MB in the beginning and 364.4 MB in the end (delta: 226.0 MB). Free memory was 102.7 MB in the beginning and 298.9 MB in the end (delta: -196.2 MB). Peak memory consumption was 243.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:47,307 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-20 10:40:47,308 INFO L168 Benchmark]: CACSL2BoogieTranslator took 715.17 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 170.3 MB in the end (delta: -68.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:47,310 INFO L168 Benchmark]: Boogie Preprocessor took 90.30 ms. Allocated memory is still 201.9 MB. Free memory was 170.3 MB in the beginning and 166.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:47,314 INFO L168 Benchmark]: RCFGBuilder took 1317.02 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 166.1 MB in the beginning and 195.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:47,316 INFO L168 Benchmark]: TraceAbstraction took 10088.50 ms. Allocated memory was 234.9 MB in the beginning and 364.4 MB in the end (delta: 129.5 MB). Free memory was 195.6 MB in the beginning and 298.9 MB in the end (delta: -103.3 MB). Peak memory consumption was 239.6 MB. Max. memory is 7.1 GB. [2020-07-20 10:40:47,327 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 138.4 MB. Free memory was 121.5 MB in the beginning and 121.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 715.17 ms. Allocated memory was 138.4 MB in the beginning and 201.9 MB in the end (delta: 63.4 MB). Free memory was 102.2 MB in the beginning and 170.3 MB in the end (delta: -68.0 MB). Peak memory consumption was 27.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 90.30 ms. Allocated memory is still 201.9 MB. Free memory was 170.3 MB in the beginning and 166.1 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1317.02 ms. Allocated memory was 201.9 MB in the beginning and 234.9 MB in the end (delta: 33.0 MB). Free memory was 166.1 MB in the beginning and 195.6 MB in the end (delta: -29.5 MB). Peak memory consumption was 84.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 10088.50 ms. Allocated memory was 234.9 MB in the beginning and 364.4 MB in the end (delta: 129.5 MB). Free memory was 195.6 MB in the beginning and 298.9 MB in the end (delta: -103.3 MB). Peak memory consumption was 239.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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: 189]: Loop Invariant Derived loop invariant: ((!(1 <= systemActive) || !(1 <= methaneLevelCritical)) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 179]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 690]: Loop Invariant Derived loop invariant: ((((!(1 <= systemActive) || 0 == methaneLevelCritical) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (1 <= methaneLevelCritical && 0 == pumpRunning)) || !(1 <= \old(waterLevel)) - InvariantResult [Line: 689]: Loop Invariant Derived loop invariant: ((((!(1 <= systemActive) || 0 == methaneLevelCritical) || !(0 == \old(pumpRunning))) || !(\old(methaneLevelCritical) == 0)) || (1 <= methaneLevelCritical && 0 == pumpRunning)) || !(1 <= \old(waterLevel)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 6.4s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 2.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 3.5s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1288 SDtfs, 793 SDslu, 2079 SDs, 0 SdLazy, 1261 SolverSat, 207 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 798 GetRequests, 754 SyntacticMatches, 9 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=570occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 7 MinimizatonAttempts, 57 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 60 LocationsWithAnnotation, 1131 PreInvPairs, 1277 NumberOfFragments, 1366 HoareAnnotationTreeSize, 1131 FomulaSimplifications, 1513 FormulaSimplificationTreeSizeReduction, 0.7s HoareSimplificationTime, 60 FomulaSimplificationsInter, 5813 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 647 NumberOfCodeBlocks, 647 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 788 ConstructedInterpolants, 0 QuantifiedInterpolants, 170548 SizeOfPredicates, 19 NumberOfNonLiveVariables, 5176 ConjunctsInSsa, 73 ConjunctsInUnsatCore, 8 InterpolantComputations, 7 PerfectInterpolantSequences, 149/150 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...