/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 SMT_FEATURE_HEURISTIC --traceabstraction.assert.codeblocks.term.scoring.heuristic NUM_FUNCTIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.partitioning.strategy FIXED_NUM_PARTITIONS --traceabstraction.assert.codeblocks.term.scoring.heuristic.number.of.partitions 2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 12:52:42,000 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 12:52:42,003 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 12:52:42,015 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 12:52:42,016 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 12:52:42,017 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 12:52:42,018 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 12:52:42,020 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 12:52:42,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 12:52:42,023 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 12:52:42,024 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 12:52:42,025 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 12:52:42,025 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 12:52:42,026 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 12:52:42,027 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 12:52:42,028 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 12:52:42,029 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 12:52:42,030 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 12:52:42,032 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 12:52:42,034 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 12:52:42,035 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 12:52:42,036 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 12:52:42,037 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 12:52:42,038 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 12:52:42,041 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 12:52:42,041 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 12:52:42,041 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 12:52:42,042 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 12:52:42,043 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 12:52:42,044 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 12:52:42,044 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 12:52:42,045 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 12:52:42,045 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 12:52:42,046 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 12:52:42,047 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 12:52:42,047 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 12:52:42,048 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 12:52:42,048 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 12:52:42,048 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 12:52:42,049 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 12:52:42,050 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 12:52:42,051 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 12:52:42,071 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 12:52:42,072 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 12:52:42,073 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 12:52:42,073 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 12:52:42,074 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 12:52:42,074 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 12:52:42,074 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 12:52:42,075 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 12:52:42,075 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 12:52:42,075 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 12:52:42,076 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 12:52:42,076 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 12:52:42,076 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 12:52:42,077 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 12:52:42,077 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 12:52:42,077 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 12:52:42,077 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 12:52:42,078 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 12:52:42,078 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 12:52:42,078 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 12:52:42,078 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 12:52:42,079 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:52:42,079 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 12:52:42,079 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 12:52:42,079 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 12:52:42,079 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 12:52:42,080 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:42,080 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 12:52:42,080 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 12:52:42,080 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 -> SMT_FEATURE_HEURISTIC Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic -> NUM_FUNCTIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic Partitioning Strategy -> FIXED_NUM_PARTITIONS Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks Term Scoring Heuristic number of partitions -> 2 [2020-07-21 12:52:42,391 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 12:52:42,406 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 12:52:42,409 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 12:52:42,410 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 12:52:42,410 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 12:52:42,411 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-07-21 12:52:42,491 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a2ea68d/f14cd62130a04112a174190398f97113/FLAG43ed477bf [2020-07-21 12:52:43,038 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 12:52:43,038 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec4_product06.cil.c [2020-07-21 12:52:43,049 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a2ea68d/f14cd62130a04112a174190398f97113/FLAG43ed477bf [2020-07-21 12:52:43,326 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8a2ea68d/f14cd62130a04112a174190398f97113 [2020-07-21 12:52:43,337 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 12:52:43,340 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 12:52:43,341 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 12:52:43,341 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 12:52:43,345 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 12:52:43,346 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:52:43" (1/1) ... [2020-07-21 12:52:43,349 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@20853ee7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43, skipping insertion in model container [2020-07-21 12:52:43,349 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 12:52:43" (1/1) ... [2020-07-21 12:52:43,356 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 12:52:43,396 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 12:52:43,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:52:43,829 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 12:52:43,902 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 12:52:43,937 INFO L208 MainTranslator]: Completed translation [2020-07-21 12:52:43,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43 WrapperNode [2020-07-21 12:52:43,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 12:52:43,938 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 12:52:43,938 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 12:52:43,938 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 12:52:43,950 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43" (1/1) ... [2020-07-21 12:52:43,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43" (1/1) ... [2020-07-21 12:52:43,969 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43" (1/1) ... [2020-07-21 12:52:43,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43" (1/1) ... [2020-07-21 12:52:44,004 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43" (1/1) ... [2020-07-21 12:52:44,015 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43" (1/1) ... [2020-07-21 12:52:44,021 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43" (1/1) ... [2020-07-21 12:52:44,029 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 12:52:44,029 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 12:52:44,030 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 12:52:44,030 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 12:52:44,031 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 12:52:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 12:52:44,096 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 12:52:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 12:52:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 12:52:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 12:52:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 12:52:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 12:52:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 12:52:44,097 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 12:52:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 12:52:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 12:52:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 12:52:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 12:52:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 12:52:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification4_spec__1 [2020-07-21 12:52:44,098 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 12:52:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 12:52:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 12:52:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 12:52:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 12:52:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 12:52:44,099 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 12:52:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 12:52:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 12:52:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 12:52:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 12:52:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 12:52:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 12:52:44,100 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 12:52:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 12:52:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 12:52:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 12:52:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 12:52:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 12:52:44,101 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 12:52:44,102 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 12:52:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 12:52:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 12:52:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 12:52:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 12:52:44,102 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 12:52:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 12:52:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 12:52:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 12:52:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 12:52:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 12:52:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 12:52:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 12:52:44,103 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 12:52:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 12:52:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 12:52:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 12:52:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 12:52:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 12:52:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 12:52:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 12:52:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 12:52:44,104 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 12:52:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 12:52:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification4_spec__1 [2020-07-21 12:52:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 12:52:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 12:52:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 12:52:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 12:52:44,105 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 12:52:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 12:52:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 12:52:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 12:52:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 12:52:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 12:52:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 12:52:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 12:52:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 12:52:44,106 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 12:52:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 12:52:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 12:52:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 12:52:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 12:52:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 12:52:44,107 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 12:52:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 12:52:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 12:52:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 12:52:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 12:52:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 12:52:44,108 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 12:52:45,136 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 12:52:45,138 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 12:52:45,145 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:52:45 BoogieIcfgContainer [2020-07-21 12:52:45,145 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 12:52:45,147 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 12:52:45,148 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 12:52:45,151 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 12:52:45,151 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 12:52:43" (1/3) ... [2020-07-21 12:52:45,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7d6750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:52:45, skipping insertion in model container [2020-07-21 12:52:45,152 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 12:52:43" (2/3) ... [2020-07-21 12:52:45,152 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b7d6750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 12:52:45, skipping insertion in model container [2020-07-21 12:52:45,153 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 12:52:45" (3/3) ... [2020-07-21 12:52:45,154 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec4_product06.cil.c [2020-07-21 12:52:45,165 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 12:52:45,173 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 12:52:45,187 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 12:52:45,217 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 12:52:45,217 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 12:52:45,217 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 12:52:45,217 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 12:52:45,217 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 12:52:45,218 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 12:52:45,218 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 12:52:45,218 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 12:52:45,239 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-07-21 12:52:45,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 12:52:45,249 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:45,250 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] [2020-07-21 12:52:45,250 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:45,257 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:45,257 INFO L82 PathProgramCache]: Analyzing trace with hash -1990004152, now seen corresponding path program 1 times [2020-07-21 12:52:45,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:45,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1744830106] [2020-07-21 12:52:45,268 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:45,621 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:45,621 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:45,626 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 12:52:45,634 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:45,664 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:45,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1744830106] [2020-07-21 12:52:45,667 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:45,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 12:52:45,668 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [722426364] [2020-07-21 12:52:45,674 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 12:52:45,674 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:45,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 12:52:45,693 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 12:52:45,696 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 2 states. [2020-07-21 12:52:45,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:45,752 INFO L93 Difference]: Finished difference Result 212 states and 261 transitions. [2020-07-21 12:52:45,753 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 12:52:45,756 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 12:52:45,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:45,777 INFO L225 Difference]: With dead ends: 212 [2020-07-21 12:52:45,778 INFO L226 Difference]: Without dead ends: 106 [2020-07-21 12:52:45,787 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 [2020-07-21 12:52:45,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-07-21 12:52:45,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 106. [2020-07-21 12:52:45,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-07-21 12:52:45,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 122 transitions. [2020-07-21 12:52:45,906 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 122 transitions. Word has length 46 [2020-07-21 12:52:45,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:45,907 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 122 transitions. [2020-07-21 12:52:45,907 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 12:52:45,908 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 122 transitions. [2020-07-21 12:52:45,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 12:52:45,914 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:45,914 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] [2020-07-21 12:52:46,123 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:46,123 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:46,124 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:46,125 INFO L82 PathProgramCache]: Analyzing trace with hash 925385075, now seen corresponding path program 1 times [2020-07-21 12:52:46,125 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:46,126 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [824505941] [2020-07-21 12:52:46,127 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:46,522 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:46,522 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:46,526 INFO L263 TraceCheckSpWp]: Trace formula consists of 650 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 12:52:46,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:46,564 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:46,564 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:46,565 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [824505941] [2020-07-21 12:52:46,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:46,565 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:52:46,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537788118] [2020-07-21 12:52:46,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:52:46,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:46,568 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:52:46,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:52:46,569 INFO L87 Difference]: Start difference. First operand 106 states and 122 transitions. Second operand 3 states. [2020-07-21 12:52:46,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:46,588 INFO L93 Difference]: Finished difference Result 157 states and 179 transitions. [2020-07-21 12:52:46,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:52:46,589 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 12:52:46,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:46,591 INFO L225 Difference]: With dead ends: 157 [2020-07-21 12:52:46,591 INFO L226 Difference]: Without dead ends: 97 [2020-07-21 12:52:46,592 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 [2020-07-21 12:52:46,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-21 12:52:46,602 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-07-21 12:52:46,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-21 12:52:46,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 110 transitions. [2020-07-21 12:52:46,604 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 110 transitions. Word has length 47 [2020-07-21 12:52:46,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:46,605 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 110 transitions. [2020-07-21 12:52:46,605 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:52:46,605 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 110 transitions. [2020-07-21 12:52:46,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 12:52:46,607 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:46,607 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 12:52:46,821 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:46,821 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:46,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:46,821 INFO L82 PathProgramCache]: Analyzing trace with hash -1884487534, now seen corresponding path program 1 times [2020-07-21 12:52:46,822 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:46,823 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1980112114] [2020-07-21 12:52:46,823 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:47,078 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:47,078 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:47,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 12:52:47,086 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:47,112 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:47,113 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:47,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1980112114] [2020-07-21 12:52:47,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:47,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 12:52:47,114 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1042219159] [2020-07-21 12:52:47,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 12:52:47,115 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:47,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 12:52:47,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:52:47,115 INFO L87 Difference]: Start difference. First operand 97 states and 110 transitions. Second operand 3 states. [2020-07-21 12:52:47,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:47,131 INFO L93 Difference]: Finished difference Result 170 states and 197 transitions. [2020-07-21 12:52:47,131 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:52:47,131 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 12:52:47,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:47,133 INFO L225 Difference]: With dead ends: 170 [2020-07-21 12:52:47,133 INFO L226 Difference]: Without dead ends: 97 [2020-07-21 12:52:47,134 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 12:52:47,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 97 states. [2020-07-21 12:52:47,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 97 to 97. [2020-07-21 12:52:47,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2020-07-21 12:52:47,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 109 transitions. [2020-07-21 12:52:47,145 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 109 transitions. Word has length 52 [2020-07-21 12:52:47,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:47,146 INFO L479 AbstractCegarLoop]: Abstraction has 97 states and 109 transitions. [2020-07-21 12:52:47,146 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 12:52:47,146 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 109 transitions. [2020-07-21 12:52:47,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 12:52:47,148 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:47,148 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] [2020-07-21 12:52:47,362 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:47,363 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:47,364 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:47,364 INFO L82 PathProgramCache]: Analyzing trace with hash -1119651887, now seen corresponding path program 1 times [2020-07-21 12:52:47,364 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:47,365 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [426354233] [2020-07-21 12:52:47,365 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:47,698 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:47,698 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:47,702 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 14 conjunts are in the unsatisfiable core [2020-07-21 12:52:47,706 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:47,766 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:47,767 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:47,767 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [426354233] [2020-07-21 12:52:47,767 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:47,768 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:47,768 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751303865] [2020-07-21 12:52:47,768 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:47,769 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:47,769 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:47,769 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:47,769 INFO L87 Difference]: Start difference. First operand 97 states and 109 transitions. Second operand 6 states. [2020-07-21 12:52:48,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:48,015 INFO L93 Difference]: Finished difference Result 232 states and 274 transitions. [2020-07-21 12:52:48,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 12:52:48,015 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 60 [2020-07-21 12:52:48,016 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:48,019 INFO L225 Difference]: With dead ends: 232 [2020-07-21 12:52:48,019 INFO L226 Difference]: Without dead ends: 159 [2020-07-21 12:52:48,020 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 61 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 12:52:48,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2020-07-21 12:52:48,039 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2020-07-21 12:52:48,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-07-21 12:52:48,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 184 transitions. [2020-07-21 12:52:48,041 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 184 transitions. Word has length 60 [2020-07-21 12:52:48,041 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:48,041 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 184 transitions. [2020-07-21 12:52:48,042 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:48,042 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 184 transitions. [2020-07-21 12:52:48,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-07-21 12:52:48,044 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 12:52:48,044 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] [2020-07-21 12:52:48,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:48,260 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 12:52:48,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 12:52:48,260 INFO L82 PathProgramCache]: Analyzing trace with hash 104988343, now seen corresponding path program 1 times [2020-07-21 12:52:48,260 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 12:52:48,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1195568074] [2020-07-21 12:52:48,261 INFO L95 rtionOrderModulation]: Keeping assertion order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:48,575 INFO L228 tOrderPrioritization]: Assert order SMT_FEATURE_HEURISTIC (partitioning type FIXED_NUM_PARTITIONS, 2 partitions) issued 2 check-sat command(s) [2020-07-21 12:52:48,575 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2020-07-21 12:52:48,579 INFO L263 TraceCheckSpWp]: Trace formula consists of 686 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 12:52:48,586 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 12:52:48,627 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 12:52:48,627 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 12:52:48,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1195568074] [2020-07-21 12:52:48,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 12:52:48,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 12:52:48,628 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [307034943] [2020-07-21 12:52:48,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 12:52:48,629 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 12:52:48,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 12:52:48,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:48,630 INFO L87 Difference]: Start difference. First operand 159 states and 184 transitions. Second operand 6 states. [2020-07-21 12:52:48,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 12:52:48,771 INFO L93 Difference]: Finished difference Result 203 states and 239 transitions. [2020-07-21 12:52:48,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 12:52:48,772 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 64 [2020-07-21 12:52:48,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 12:52:48,772 INFO L225 Difference]: With dead ends: 203 [2020-07-21 12:52:48,772 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 12:52:48,774 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 63 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 12:52:48,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 12:52:48,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 12:52:48,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 12:52:48,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 12:52:48,776 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-07-21 12:52:48,776 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 12:52:48,776 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 12:52:48,776 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 12:52:48,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 12:52:48,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 12:52:48,978 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 12:52:48,981 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 12:52:49,749 INFO L268 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2020-07-21 12:52:49,749 INFO L268 CegarLoopResult]: For program point L544-2(lines 544 565) no Hoare annotation was computed. [2020-07-21 12:52:49,750 INFO L268 CegarLoopResult]: For program point L566(lines 543 567) no Hoare annotation was computed. [2020-07-21 12:52:49,750 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 519 574) no Hoare annotation was computed. [2020-07-21 12:52:49,750 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 519 574) no Hoare annotation was computed. [2020-07-21 12:52:49,750 INFO L268 CegarLoopResult]: For program point L550(lines 550 554) no Hoare annotation was computed. [2020-07-21 12:52:49,750 INFO L268 CegarLoopResult]: For program point L550-1(lines 550 554) no Hoare annotation was computed. [2020-07-21 12:52:49,750 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 519 574) no Hoare annotation was computed. [2020-07-21 12:52:49,750 INFO L268 CegarLoopResult]: For program point L607(lines 607 611) no Hoare annotation was computed. [2020-07-21 12:52:49,750 INFO L268 CegarLoopResult]: For program point L607-1(lines 607 611) no Hoare annotation was computed. [2020-07-21 12:52:49,750 INFO L268 CegarLoopResult]: For program point L602(line 602) no Hoare annotation was computed. [2020-07-21 12:52:49,751 INFO L268 CegarLoopResult]: For program point L601-2(lines 601 626) no Hoare annotation was computed. [2020-07-21 12:52:49,751 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 575 634) no Hoare annotation was computed. [2020-07-21 12:52:49,751 INFO L268 CegarLoopResult]: For program point L627(lines 600 628) no Hoare annotation was computed. [2020-07-21 12:52:49,751 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 575 634) no Hoare annotation was computed. [2020-07-21 12:52:49,751 INFO L268 CegarLoopResult]: For program point L620(line 620) no Hoare annotation was computed. [2020-07-21 12:52:49,752 INFO L268 CegarLoopResult]: For program point L620-1(line 620) no Hoare annotation was computed. [2020-07-21 12:52:49,752 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 575 634) no Hoare annotation was computed. [2020-07-21 12:52:49,752 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 851 857) the Hoare annotation is: true [2020-07-21 12:52:49,752 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 851 857) no Hoare annotation was computed. [2020-07-21 12:52:49,752 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 858 866) no Hoare annotation was computed. [2020-07-21 12:52:49,752 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 858 866) the Hoare annotation is: true [2020-07-21 12:52:49,753 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 858 866) no Hoare annotation was computed. [2020-07-21 12:52:49,753 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification4_spec__1ENTRY(lines 230 254) the Hoare annotation is: true [2020-07-21 12:52:49,753 INFO L264 CegarLoopResult]: At program point L244(line 244) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:52:49,753 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification4_spec__1EXIT(lines 230 254) no Hoare annotation was computed. [2020-07-21 12:52:49,753 INFO L268 CegarLoopResult]: For program point L242(lines 242 248) no Hoare annotation was computed. [2020-07-21 12:52:49,753 INFO L264 CegarLoopResult]: At program point L240(line 240) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:52:49,753 INFO L268 CegarLoopResult]: For program point L240-1(line 240) no Hoare annotation was computed. [2020-07-21 12:52:49,753 INFO L268 CegarLoopResult]: For program point L238(lines 238 251) no Hoare annotation was computed. [2020-07-21 12:52:49,753 INFO L268 CegarLoopResult]: For program point L238-1(lines 230 254) no Hoare annotation was computed. [2020-07-21 12:52:49,753 INFO L271 CegarLoopResult]: At program point L236(line 236) the Hoare annotation is: true [2020-07-21 12:52:49,753 INFO L268 CegarLoopResult]: For program point L236-1(line 236) no Hoare annotation was computed. [2020-07-21 12:52:49,754 INFO L268 CegarLoopResult]: For program point L130-1(lines 130 137) no Hoare annotation was computed. [2020-07-21 12:52:49,754 INFO L268 CegarLoopResult]: For program point L128(line 128) no Hoare annotation was computed. [2020-07-21 12:52:49,754 INFO L264 CegarLoopResult]: At program point L127(line 127) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,754 INFO L264 CegarLoopResult]: At program point L126(line 126) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,754 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 120 142) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,754 INFO L264 CegarLoopResult]: At program point L126-1(line 126) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,754 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 120 142) no Hoare annotation was computed. [2020-07-21 12:52:49,755 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 120 142) no Hoare annotation was computed. [2020-07-21 12:52:49,755 INFO L264 CegarLoopResult]: At program point L132(line 132) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,755 INFO L264 CegarLoopResult]: At program point L132-1(line 132) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,755 INFO L268 CegarLoopResult]: For program point L130(lines 130 137) no Hoare annotation was computed. [2020-07-21 12:52:49,755 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:52:49,755 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 12:52:49,756 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:52:49,756 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 12:52:49,756 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 12:52:49,756 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 12:52:49,756 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 12:52:49,756 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 12:52:49,756 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 12:52:49,756 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 12:52:49,756 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 12:52:49,757 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 12:52:49,757 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 12:52:49,757 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 12:52:49,757 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 12:52:49,757 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 12:52:49,757 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 12:52:49,757 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 346 354) no Hoare annotation was computed. [2020-07-21 12:52:49,758 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 346 354) the Hoare annotation is: true [2020-07-21 12:52:49,758 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 346 354) no Hoare annotation was computed. [2020-07-21 12:52:49,758 INFO L268 CegarLoopResult]: For program point L385(line 385) no Hoare annotation was computed. [2020-07-21 12:52:49,758 INFO L268 CegarLoopResult]: For program point L385-1(line 385) no Hoare annotation was computed. [2020-07-21 12:52:49,758 INFO L268 CegarLoopResult]: For program point L374(lines 374 382) no Hoare annotation was computed. [2020-07-21 12:52:49,758 INFO L268 CegarLoopResult]: For program point L374-2(lines 374 382) no Hoare annotation was computed. [2020-07-21 12:52:49,758 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 355 390) no Hoare annotation was computed. [2020-07-21 12:52:49,758 INFO L268 CegarLoopResult]: For program point L362(lines 362 370) no Hoare annotation was computed. [2020-07-21 12:52:49,759 INFO L268 CegarLoopResult]: For program point L362-2(lines 362 370) no Hoare annotation was computed. [2020-07-21 12:52:49,759 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 355 390) no Hoare annotation was computed. [2020-07-21 12:52:49,759 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 355 390) no Hoare annotation was computed. [2020-07-21 12:52:49,759 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 844 850) no Hoare annotation was computed. [2020-07-21 12:52:49,759 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 844 850) the Hoare annotation is: true [2020-07-21 12:52:49,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 473 518) no Hoare annotation was computed. [2020-07-21 12:52:49,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 473 518) no Hoare annotation was computed. [2020-07-21 12:52:49,759 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 473 518) no Hoare annotation was computed. [2020-07-21 12:52:49,759 INFO L268 CegarLoopResult]: For program point L800(lines 800 820) no Hoare annotation was computed. [2020-07-21 12:52:49,760 INFO L268 CegarLoopResult]: For program point L800-1(lines 800 820) no Hoare annotation was computed. [2020-07-21 12:52:49,760 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 786 831) no Hoare annotation was computed. [2020-07-21 12:52:49,760 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 786 831) no Hoare annotation was computed. [2020-07-21 12:52:49,760 INFO L268 CegarLoopResult]: For program point L806(lines 806 813) no Hoare annotation was computed. [2020-07-21 12:52:49,760 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 786 831) no Hoare annotation was computed. [2020-07-21 12:52:49,760 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 107 116) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,760 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 107 116) no Hoare annotation was computed. [2020-07-21 12:52:49,761 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 107 116) no Hoare annotation was computed. [2020-07-21 12:52:49,761 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 335 345) the Hoare annotation is: true [2020-07-21 12:52:49,761 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 335 345) no Hoare annotation was computed. [2020-07-21 12:52:49,761 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 335 345) no Hoare annotation was computed. [2020-07-21 12:52:49,761 INFO L271 CegarLoopResult]: At program point L340(line 340) the Hoare annotation is: true [2020-07-21 12:52:49,761 INFO L268 CegarLoopResult]: For program point L340-1(line 340) no Hoare annotation was computed. [2020-07-21 12:52:49,761 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 327 334) the Hoare annotation is: true [2020-07-21 12:52:49,761 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 327 334) no Hoare annotation was computed. [2020-07-21 12:52:49,761 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 327 334) no Hoare annotation was computed. [2020-07-21 12:52:49,761 INFO L264 CegarLoopResult]: At program point L313(line 313) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:52:49,762 INFO L268 CegarLoopResult]: For program point L313-1(lines 294 318) no Hoare annotation was computed. [2020-07-21 12:52:49,762 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 294 318) no Hoare annotation was computed. [2020-07-21 12:52:49,762 INFO L264 CegarLoopResult]: At program point L308(line 308) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:52:49,762 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 294 318) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 12:52:49,762 INFO L264 CegarLoopResult]: At program point L304(line 304) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:52:49,762 INFO L268 CegarLoopResult]: For program point L302(lines 302 310) no Hoare annotation was computed. [2020-07-21 12:52:49,762 INFO L264 CegarLoopResult]: At program point L300(line 300) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~waterLevel~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:52:49,762 INFO L268 CegarLoopResult]: For program point L300-1(line 300) no Hoare annotation was computed. [2020-07-21 12:52:49,762 INFO L268 CegarLoopResult]: For program point L298(lines 298 315) no Hoare annotation was computed. [2020-07-21 12:52:49,763 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 286 292) no Hoare annotation was computed. [2020-07-21 12:52:49,763 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 286 292) the Hoare annotation is: true [2020-07-21 12:52:49,763 INFO L268 CegarLoopResult]: For program point L448(lines 448 452) no Hoare annotation was computed. [2020-07-21 12:52:49,763 INFO L264 CegarLoopResult]: At program point testENTRY(lines 400 465) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,763 INFO L264 CegarLoopResult]: At program point L448-2(lines 440 453) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,763 INFO L268 CegarLoopResult]: For program point L411(lines 410 457) no Hoare annotation was computed. [2020-07-21 12:52:49,763 INFO L264 CegarLoopResult]: At program point L442(line 442) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,763 INFO L268 CegarLoopResult]: For program point L440(lines 440 453) no Hoare annotation was computed. [2020-07-21 12:52:49,764 INFO L268 CegarLoopResult]: For program point testFINAL(lines 400 465) no Hoare annotation was computed. [2020-07-21 12:52:49,764 INFO L264 CegarLoopResult]: At program point L432(line 432) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,764 INFO L268 CegarLoopResult]: For program point L430(lines 430 436) no Hoare annotation was computed. [2020-07-21 12:52:49,764 INFO L268 CegarLoopResult]: For program point L430-1(lines 430 436) no Hoare annotation was computed. [2020-07-21 12:52:49,764 INFO L264 CegarLoopResult]: At program point L455(lines 410 457) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,764 INFO L264 CegarLoopResult]: At program point L422(line 422) the Hoare annotation is: (or (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0) (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,764 INFO L268 CegarLoopResult]: For program point L420(lines 420 426) no Hoare annotation was computed. [2020-07-21 12:52:49,764 INFO L268 CegarLoopResult]: For program point L420-1(lines 420 426) no Hoare annotation was computed. [2020-07-21 12:52:49,765 INFO L268 CegarLoopResult]: For program point L412(lines 412 416) no Hoare annotation was computed. [2020-07-21 12:52:49,765 INFO L264 CegarLoopResult]: At program point L458(lines 409 459) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,765 INFO L268 CegarLoopResult]: For program point testEXIT(lines 400 465) no Hoare annotation was computed. [2020-07-21 12:52:49,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 740 785) no Hoare annotation was computed. [2020-07-21 12:52:49,765 INFO L268 CegarLoopResult]: For program point L760(lines 760 767) no Hoare annotation was computed. [2020-07-21 12:52:49,765 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 740 785) no Hoare annotation was computed. [2020-07-21 12:52:49,765 INFO L268 CegarLoopResult]: For program point L754(lines 754 774) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point L754-1(lines 754 774) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 740 785) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point L203(lines 203 211) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point L203-2(lines 203 211) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 195 217) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 195 217) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 195 217) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 637 739) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point L702(line 702) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point L702-1(line 702) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point L661(lines 661 665) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point L725(lines 725 736) no Hoare annotation was computed. [2020-07-21 12:52:49,766 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point L686-2(lines 686 706) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 637 739) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point L707(lines 685 708) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point L666(lines 666 682) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point L726(lines 726 733) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 637 739) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point L687(lines 686 706) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point L718(line 718) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point L718-1(line 718) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point L683(lines 683 724) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 834 843) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 834 843) no Hoare annotation was computed. [2020-07-21 12:52:49,767 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 834 843) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 319 326) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 319 326) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 319 326) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 218 226) the Hoare annotation is: true [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 218 226) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 218 226) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point L178-1(lines 174 185) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 174 185) the Hoare annotation is: true [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 174 185) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:49,768 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 12:52:49,769 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:49,769 INFO L264 CegarLoopResult]: At program point L275(line 275) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:52:49,769 INFO L264 CegarLoopResult]: At program point L273(lines 273 279) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:52:49,769 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 262 285) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:52:49,769 INFO L264 CegarLoopResult]: At program point L268(line 268) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~waterLevel~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 12:52:49,769 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 262 285) no Hoare annotation was computed. [2020-07-21 12:52:49,769 INFO L268 CegarLoopResult]: For program point L266(lines 265 284) no Hoare annotation was computed. [2020-07-21 12:52:49,769 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 262 285) no Hoare annotation was computed. [2020-07-21 12:52:49,769 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 12:52:49,769 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 12:52:49,770 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: true [2020-07-21 12:52:49,770 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 12:52:49,770 INFO L271 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: true [2020-07-21 12:52:49,770 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 12:52:49,770 INFO L271 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: true [2020-07-21 12:52:49,770 INFO L271 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: true [2020-07-21 12:52:49,770 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 12:52:49,770 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 12:52:49,771 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 186 194) the Hoare annotation is: true [2020-07-21 12:52:49,771 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 186 194) no Hoare annotation was computed. [2020-07-21 12:52:49,771 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 186 194) no Hoare annotation was computed. [2020-07-21 12:52:49,771 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 150 161) the Hoare annotation is: true [2020-07-21 12:52:49,771 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 150 161) no Hoare annotation was computed. [2020-07-21 12:52:49,771 INFO L268 CegarLoopResult]: For program point L154-1(lines 150 161) no Hoare annotation was computed. [2020-07-21 12:52:49,771 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 12:52:49,771 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 12:52:49,772 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 12:52:49,772 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (<= 1 ~waterLevel~0) (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 12:52:49,772 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 12:52:49,772 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 12:52:49,772 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 391 398) no Hoare annotation was computed. [2020-07-21 12:52:49,772 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 391 398) the Hoare annotation is: (or (not (<= 1 ~waterLevel~0)) (not (= 0 ~pumpRunning~0)) (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 12:52:49,772 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 391 398) no Hoare annotation was computed. [2020-07-21 12:52:49,772 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 162 173) no Hoare annotation was computed. [2020-07-21 12:52:49,772 INFO L268 CegarLoopResult]: For program point L166-1(lines 162 173) no Hoare annotation was computed. [2020-07-21 12:52:49,772 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 162 173) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (<= 1 ~waterLevel~0) (not (= 0 ~pumpRunning~0)) (not (<= 1 |old(~waterLevel~0)|))) [2020-07-21 12:52:49,772 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 868 875) no Hoare annotation was computed. [2020-07-21 12:52:49,773 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 872) no Hoare annotation was computed. [2020-07-21 12:52:49,773 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 868 875) the Hoare annotation is: true [2020-07-21 12:52:49,773 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 868 875) no Hoare annotation was computed. [2020-07-21 12:52:49,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 12:52:49 BoogieIcfgContainer [2020-07-21 12:52:49,789 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 12:52:49,791 INFO L168 Benchmark]: Toolchain (without parser) took 6451.94 ms. Allocated memory was 144.7 MB in the beginning and 289.9 MB in the end (delta: 145.2 MB). Free memory was 100.4 MB in the beginning and 174.7 MB in the end (delta: -74.3 MB). Peak memory consumption was 117.0 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:49,792 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 12:52:49,793 INFO L168 Benchmark]: CACSL2BoogieTranslator took 596.37 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 99.9 MB in the beginning and 172.4 MB in the end (delta: -72.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:49,794 INFO L168 Benchmark]: Boogie Preprocessor took 91.23 ms. Allocated memory is still 202.9 MB. Free memory was 172.4 MB in the beginning and 167.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:49,795 INFO L168 Benchmark]: RCFGBuilder took 1116.10 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 167.6 MB in the beginning and 202.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:49,796 INFO L168 Benchmark]: TraceAbstraction took 4641.22 ms. Allocated memory was 234.4 MB in the beginning and 289.9 MB in the end (delta: 55.6 MB). Free memory was 202.5 MB in the beginning and 174.7 MB in the end (delta: 27.8 MB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. [2020-07-21 12:52:49,801 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 144.7 MB. Free memory was 119.7 MB in the beginning and 119.5 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 596.37 ms. Allocated memory was 144.7 MB in the beginning and 202.9 MB in the end (delta: 58.2 MB). Free memory was 99.9 MB in the beginning and 172.4 MB in the end (delta: -72.4 MB). Peak memory consumption was 22.9 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.23 ms. Allocated memory is still 202.9 MB. Free memory was 172.4 MB in the beginning and 167.6 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1116.10 ms. Allocated memory was 202.9 MB in the beginning and 234.4 MB in the end (delta: 31.5 MB). Free memory was 167.6 MB in the beginning and 202.5 MB in the end (delta: -34.9 MB). Peak memory consumption was 86.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4641.22 ms. Allocated memory was 234.4 MB in the beginning and 289.9 MB in the end (delta: 55.6 MB). Free memory was 202.5 MB in the beginning and 174.7 MB in the end (delta: 27.8 MB). Peak memory consumption was 129.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 872]: 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: 52]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 410]: Loop Invariant Derived loop invariant: (((((1 <= waterLevel && 0 == pumpRunning) && splverifierCounter <= 0) && 1 <= systemActive) || !(0 == \old(pumpRunning))) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - InvariantResult [Line: 409]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || !(1 <= \old(waterLevel))) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 36 procedures, 208 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 3.7s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 0.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 540 SDtfs, 191 SDslu, 671 SDs, 0 SdLazy, 110 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 266 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=159occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 212 PreInvPairs, 220 NumberOfFragments, 562 HoareAnnotationTreeSize, 212 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.3s HoareSimplificationTime, 51 FomulaSimplificationsInter, 235 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 27114 SizeOfPredicates, 14 NumberOfNonLiveVariables, 3325 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 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...