/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:38:24,023 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:38:24,025 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:38:24,038 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:38:24,038 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:38:24,039 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:38:24,040 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:38:24,042 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:38:24,044 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:38:24,045 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:38:24,046 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:38:24,047 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:38:24,047 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:38:24,048 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:38:24,050 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:38:24,051 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:38:24,051 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:38:24,052 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:38:24,054 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:38:24,056 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:38:24,058 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:38:24,059 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:38:24,060 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:38:24,061 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:38:24,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:38:24,064 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:38:24,064 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:38:24,065 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:38:24,066 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:38:24,067 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:38:24,067 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:38:24,068 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:38:24,068 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:38:24,069 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:38:24,070 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:38:24,070 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:38:24,071 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:38:24,071 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:38:24,072 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:38:24,072 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:38:24,073 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:38:24,074 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-07-21 10:38:24,089 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:38:24,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:38:24,090 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:38:24,091 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:38:24,091 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:38:24,091 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:38:24,091 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:38:24,091 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:38:24,092 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:38:24,092 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:38:24,092 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:38:24,092 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:38:24,092 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:38:24,093 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:38:24,093 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:38:24,093 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:38:24,093 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:38:24,093 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:38:24,094 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:38:24,094 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:38:24,094 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:38:24,094 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:38:24,094 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:38:24,095 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:38:24,095 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:38:24,095 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:38:24,095 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:24,095 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:38:24,095 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:38:24,096 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> FPandBPonlyIfFpWasNotPerfect Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Assert CodeBlocks -> NOT_INCREMENTALLY [2020-07-21 10:38:24,402 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:38:24,415 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:38:24,419 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:38:24,420 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:38:24,420 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:38:24,421 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2020-07-21 10:38:24,499 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/006f5cb31/d7dbf0c3b1ee42faa6464851b1704f2e/FLAGd2c973859 [2020-07-21 10:38:25,005 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:38:25,006 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec5_product17.cil.c [2020-07-21 10:38:25,022 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/006f5cb31/d7dbf0c3b1ee42faa6464851b1704f2e/FLAGd2c973859 [2020-07-21 10:38:25,335 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/006f5cb31/d7dbf0c3b1ee42faa6464851b1704f2e [2020-07-21 10:38:25,343 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:38:25,346 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:38:25,347 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:25,347 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:38:25,351 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:38:25,352 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:25" (1/1) ... [2020-07-21 10:38:25,355 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3607cb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:25, skipping insertion in model container [2020-07-21 10:38:25,355 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:38:25" (1/1) ... [2020-07-21 10:38:25,364 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:38:25,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:38:25,813 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:25,824 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:38:26,015 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:38:26,056 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:38:26,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:26 WrapperNode [2020-07-21 10:38:26,056 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:38:26,057 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:38:26,057 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:38:26,057 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:38:26,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:26" (1/1) ... [2020-07-21 10:38:26,072 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:26" (1/1) ... [2020-07-21 10:38:26,091 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:26" (1/1) ... [2020-07-21 10:38:26,091 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:26" (1/1) ... [2020-07-21 10:38:26,122 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:26" (1/1) ... [2020-07-21 10:38:26,133 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:26" (1/1) ... [2020-07-21 10:38:26,138 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:26" (1/1) ... [2020-07-21 10:38:26,145 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:38:26,146 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:38:26,146 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:38:26,146 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:38:26,147 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:38:26,230 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:38:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:38:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:38:26,231 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:38:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:38:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:38:26,232 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:38:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:26,233 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:38:26,234 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:38:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:38:26,235 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:38:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:38:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:38:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:38:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:38:26,236 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:38:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:38:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:38:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:38:26,237 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:38:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:38:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:38:26,238 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:38:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:38:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:38:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:38:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:38:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:38:26,239 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:38:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:38:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:38:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:38:26,240 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:38:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:38:26,241 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:38:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:38:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:38:26,241 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:38:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:38:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:38:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:38:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:38:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:38:26,242 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:38:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:38:26,244 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__1 [2020-07-21 10:38:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:38:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:38:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:38:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:38:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:38:26,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:38:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:38:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:38:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:38:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:38:26,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:38:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:38:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:38:26,247 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:38:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:38:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:38:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:38:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:38:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:38:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:38:26,248 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:38:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:38:26,249 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:38:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:38:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:38:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:38:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:38:26,250 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__2 [2020-07-21 10:38:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification5_spec__3 [2020-07-21 10:38:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:38:26,251 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:38:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:38:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:38:26,252 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:38:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:38:26,253 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:38:26,254 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:38:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:38:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:38:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:38:26,255 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:38:26,256 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:38:27,464 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:38:27,465 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:38:27,470 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:27 BoogieIcfgContainer [2020-07-21 10:38:27,470 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:38:27,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:38:27,472 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:38:27,475 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:38:27,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:38:25" (1/3) ... [2020-07-21 10:38:27,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8e0fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:27, skipping insertion in model container [2020-07-21 10:38:27,476 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:38:26" (2/3) ... [2020-07-21 10:38:27,477 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a8e0fb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:38:27, skipping insertion in model container [2020-07-21 10:38:27,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:38:27" (3/3) ... [2020-07-21 10:38:27,479 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec5_product17.cil.c [2020-07-21 10:38:27,490 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:38:27,499 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:38:27,515 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:38:27,540 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:38:27,540 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:38:27,541 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:38:27,541 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:38:27,541 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:38:27,541 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:38:27,541 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:38:27,542 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:38:27,565 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states. [2020-07-21 10:38:27,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-07-21 10:38:27,576 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:27,577 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:27,578 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:27,584 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:27,584 INFO L82 PathProgramCache]: Analyzing trace with hash -2031681096, now seen corresponding path program 1 times [2020-07-21 10:38:27,593 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:27,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1329595465] [2020-07-21 10:38:27,595 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:27,848 INFO L263 TraceCheckSpWp]: Trace formula consists of 694 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:38:27,858 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:27,892 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2020-07-21 10:38:27,892 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:27,893 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1329595465] [2020-07-21 10:38:27,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:27,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:38:27,896 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [773033424] [2020-07-21 10:38:27,901 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:38:27,901 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:27,915 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:38:27,916 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:27,918 INFO L87 Difference]: Start difference. First operand 157 states. Second operand 2 states. [2020-07-21 10:38:27,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:27,958 INFO L93 Difference]: Finished difference Result 224 states and 279 transitions. [2020-07-21 10:38:27,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:38:27,960 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 59 [2020-07-21 10:38:27,960 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:27,973 INFO L225 Difference]: With dead ends: 224 [2020-07-21 10:38:27,973 INFO L226 Difference]: Without dead ends: 114 [2020-07-21 10:38:27,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:38:27,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-07-21 10:38:28,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-07-21 10:38:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-21 10:38:28,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 133 transitions. [2020-07-21 10:38:28,032 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 133 transitions. Word has length 59 [2020-07-21 10:38:28,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:28,032 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 133 transitions. [2020-07-21 10:38:28,033 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:38:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 133 transitions. [2020-07-21 10:38:28,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-07-21 10:38:28,037 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:28,037 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:28,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:28,251 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:28,252 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:28,252 INFO L82 PathProgramCache]: Analyzing trace with hash 262290831, now seen corresponding path program 1 times [2020-07-21 10:38:28,253 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:28,253 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45905795] [2020-07-21 10:38:28,254 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:28,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:28,449 INFO L263 TraceCheckSpWp]: Trace formula consists of 695 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:38:28,454 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:28,525 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:28,525 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:28,526 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45905795] [2020-07-21 10:38:28,526 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:28,526 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:38:28,527 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135343744] [2020-07-21 10:38:28,528 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:38:28,529 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:28,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:38:28,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:28,530 INFO L87 Difference]: Start difference. First operand 114 states and 133 transitions. Second operand 3 states. [2020-07-21 10:38:28,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:28,555 INFO L93 Difference]: Finished difference Result 200 states and 241 transitions. [2020-07-21 10:38:28,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:38:28,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 60 [2020-07-21 10:38:28,556 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:28,558 INFO L225 Difference]: With dead ends: 200 [2020-07-21 10:38:28,558 INFO L226 Difference]: Without dead ends: 114 [2020-07-21 10:38:28,560 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:38:28,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2020-07-21 10:38:28,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2020-07-21 10:38:28,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-07-21 10:38:28,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 132 transitions. [2020-07-21 10:38:28,576 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 132 transitions. Word has length 60 [2020-07-21 10:38:28,578 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:28,579 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 132 transitions. [2020-07-21 10:38:28,579 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:38:28,579 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 132 transitions. [2020-07-21 10:38:28,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2020-07-21 10:38:28,582 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:38:28,583 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:38:28,795 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:28,796 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:38:28,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:38:28,797 INFO L82 PathProgramCache]: Analyzing trace with hash -45682519, now seen corresponding path program 1 times [2020-07-21 10:38:28,797 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:38:28,798 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [528577984] [2020-07-21 10:38:28,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:38:28,984 INFO L263 TraceCheckSpWp]: Trace formula consists of 712 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:38:28,989 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:38:29,035 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:38:29,035 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:38:29,036 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [528577984] [2020-07-21 10:38:29,036 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:38:29,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:38:29,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [911437381] [2020-07-21 10:38:29,037 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:38:29,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:38:29,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:38:29,038 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:38:29,038 INFO L87 Difference]: Start difference. First operand 114 states and 132 transitions. Second operand 6 states. [2020-07-21 10:38:29,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:38:29,248 INFO L93 Difference]: Finished difference Result 176 states and 213 transitions. [2020-07-21 10:38:29,248 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:38:29,249 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 72 [2020-07-21 10:38:29,249 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:38:29,250 INFO L225 Difference]: With dead ends: 176 [2020-07-21 10:38:29,250 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:38:29,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2020-07-21 10:38:29,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:38:29,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:38:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:38:29,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:38:29,253 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 72 [2020-07-21 10:38:29,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:38:29,253 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:38:29,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:38:29,254 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:38:29,254 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:38:29,461 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:38:29,464 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:38:30,082 INFO L268 CegarLoopResult]: For program point L224(line 224) no Hoare annotation was computed. [2020-07-21 10:38:30,082 INFO L268 CegarLoopResult]: For program point L223-2(lines 223 244) no Hoare annotation was computed. [2020-07-21 10:38:30,083 INFO L268 CegarLoopResult]: For program point L245(lines 222 246) no Hoare annotation was computed. [2020-07-21 10:38:30,083 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 198 253) no Hoare annotation was computed. [2020-07-21 10:38:30,083 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 198 253) no Hoare annotation was computed. [2020-07-21 10:38:30,083 INFO L268 CegarLoopResult]: For program point L229(lines 229 233) no Hoare annotation was computed. [2020-07-21 10:38:30,083 INFO L268 CegarLoopResult]: For program point L229-1(lines 229 233) no Hoare annotation was computed. [2020-07-21 10:38:30,083 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 198 253) no Hoare annotation was computed. [2020-07-21 10:38:30,083 INFO L268 CegarLoopResult]: For program point L286(lines 286 290) no Hoare annotation was computed. [2020-07-21 10:38:30,084 INFO L268 CegarLoopResult]: For program point L286-1(lines 286 290) no Hoare annotation was computed. [2020-07-21 10:38:30,085 INFO L268 CegarLoopResult]: For program point L281(line 281) no Hoare annotation was computed. [2020-07-21 10:38:30,085 INFO L268 CegarLoopResult]: For program point L280-2(lines 280 305) no Hoare annotation was computed. [2020-07-21 10:38:30,085 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 254 313) no Hoare annotation was computed. [2020-07-21 10:38:30,085 INFO L268 CegarLoopResult]: For program point L306(lines 279 307) no Hoare annotation was computed. [2020-07-21 10:38:30,086 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 254 313) no Hoare annotation was computed. [2020-07-21 10:38:30,086 INFO L268 CegarLoopResult]: For program point L299(line 299) no Hoare annotation was computed. [2020-07-21 10:38:30,086 INFO L268 CegarLoopResult]: For program point L299-1(line 299) no Hoare annotation was computed. [2020-07-21 10:38:30,086 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 254 313) no Hoare annotation was computed. [2020-07-21 10:38:30,090 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 539 545) the Hoare annotation is: true [2020-07-21 10:38:30,090 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 539 545) no Hoare annotation was computed. [2020-07-21 10:38:30,091 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 546 554) no Hoare annotation was computed. [2020-07-21 10:38:30,091 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 546 554) the Hoare annotation is: true [2020-07-21 10:38:30,091 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 546 554) no Hoare annotation was computed. [2020-07-21 10:38:30,091 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__1ENTRY(lines 559 566) the Hoare annotation is: true [2020-07-21 10:38:30,091 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1EXIT(lines 559 566) no Hoare annotation was computed. [2020-07-21 10:38:30,091 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__1FINAL(lines 559 566) no Hoare annotation was computed. [2020-07-21 10:38:30,091 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__2ENTRY(lines 567 576) the Hoare annotation is: true [2020-07-21 10:38:30,092 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-07-21 10:38:30,092 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2EXIT(lines 567 576) no Hoare annotation was computed. [2020-07-21 10:38:30,092 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__2FINAL(lines 567 576) no Hoare annotation was computed. [2020-07-21 10:38:30,092 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification5_spec__3ENTRY(lines 577 605) the Hoare annotation is: true [2020-07-21 10:38:30,094 INFO L264 CegarLoopResult]: At program point L592(line 592) the Hoare annotation is: (or (not (= 0 ~pumpRunning~0)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:38:30,094 INFO L268 CegarLoopResult]: For program point L590(lines 590 596) no Hoare annotation was computed. [2020-07-21 10:38:30,094 INFO L268 CegarLoopResult]: For program point L589(lines 589 599) no Hoare annotation was computed. [2020-07-21 10:38:30,094 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification5_spec__3EXIT(lines 577 605) no Hoare annotation was computed. [2020-07-21 10:38:30,095 INFO L271 CegarLoopResult]: At program point L587(line 587) the Hoare annotation is: true [2020-07-21 10:38:30,095 INFO L268 CegarLoopResult]: For program point L587-1(line 587) no Hoare annotation was computed. [2020-07-21 10:38:30,095 INFO L268 CegarLoopResult]: For program point L585(lines 585 602) no Hoare annotation was computed. [2020-07-21 10:38:30,095 INFO L268 CegarLoopResult]: For program point L585-1(lines 577 605) no Hoare annotation was computed. [2020-07-21 10:38:30,095 INFO L271 CegarLoopResult]: At program point L583(line 583) the Hoare annotation is: true [2020-07-21 10:38:30,095 INFO L268 CegarLoopResult]: For program point L583-1(line 583) no Hoare annotation was computed. [2020-07-21 10:38:30,095 INFO L264 CegarLoopResult]: At program point L129(line 129) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,096 INFO L264 CegarLoopResult]: At program point L128(line 128) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,096 INFO L264 CegarLoopResult]: At program point L128-1(line 128) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,096 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 122 144) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,096 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 122 144) no Hoare annotation was computed. [2020-07-21 10:38:30,096 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 122 144) no Hoare annotation was computed. [2020-07-21 10:38:30,096 INFO L264 CegarLoopResult]: At program point L134(line 134) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,097 INFO L264 CegarLoopResult]: At program point L134-1(line 134) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,097 INFO L268 CegarLoopResult]: For program point L132(lines 132 139) no Hoare annotation was computed. [2020-07-21 10:38:30,097 INFO L268 CegarLoopResult]: For program point L132-1(lines 132 139) no Hoare annotation was computed. [2020-07-21 10:38:30,097 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-07-21 10:38:30,097 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:38:30,097 INFO L268 CegarLoopResult]: For program point L93(line 93) no Hoare annotation was computed. [2020-07-21 10:38:30,098 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:38:30,098 INFO L268 CegarLoopResult]: For program point L92(line 92) no Hoare annotation was computed. [2020-07-21 10:38:30,098 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 75 98) no Hoare annotation was computed. [2020-07-21 10:38:30,098 INFO L268 CegarLoopResult]: For program point L91(line 91) no Hoare annotation was computed. [2020-07-21 10:38:30,100 INFO L268 CegarLoopResult]: For program point L90(line 90) no Hoare annotation was computed. [2020-07-21 10:38:30,100 INFO L268 CegarLoopResult]: For program point L89(line 89) no Hoare annotation was computed. [2020-07-21 10:38:30,100 INFO L268 CegarLoopResult]: For program point L88(line 88) no Hoare annotation was computed. [2020-07-21 10:38:30,100 INFO L268 CegarLoopResult]: For program point L87(line 87) no Hoare annotation was computed. [2020-07-21 10:38:30,100 INFO L268 CegarLoopResult]: For program point L86(line 86) no Hoare annotation was computed. [2020-07-21 10:38:30,100 INFO L268 CegarLoopResult]: For program point L85(line 85) no Hoare annotation was computed. [2020-07-21 10:38:30,100 INFO L268 CegarLoopResult]: For program point L84(line 84) no Hoare annotation was computed. [2020-07-21 10:38:30,101 INFO L268 CegarLoopResult]: For program point L83(line 83) no Hoare annotation was computed. [2020-07-21 10:38:30,101 INFO L268 CegarLoopResult]: For program point L82(line 82) no Hoare annotation was computed. [2020-07-21 10:38:30,101 INFO L268 CegarLoopResult]: For program point L81(line 81) no Hoare annotation was computed. [2020-07-21 10:38:30,101 INFO L268 CegarLoopResult]: For program point L80(line 80) no Hoare annotation was computed. [2020-07-21 10:38:30,101 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 792 800) no Hoare annotation was computed. [2020-07-21 10:38:30,101 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 792 800) the Hoare annotation is: true [2020-07-21 10:38:30,101 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 792 800) no Hoare annotation was computed. [2020-07-21 10:38:30,101 INFO L268 CegarLoopResult]: For program point L846(lines 846 850) no Hoare annotation was computed. [2020-07-21 10:38:30,102 INFO L271 CegarLoopResult]: At program point L844(line 844) the Hoare annotation is: true [2020-07-21 10:38:30,102 INFO L268 CegarLoopResult]: For program point L846-2(lines 846 850) no Hoare annotation was computed. [2020-07-21 10:38:30,102 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-07-21 10:38:30,102 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 837 855) the Hoare annotation is: true [2020-07-21 10:38:30,102 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 837 855) no Hoare annotation was computed. [2020-07-21 10:38:30,102 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 837 855) no Hoare annotation was computed. [2020-07-21 10:38:30,103 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-07-21 10:38:30,103 INFO L268 CegarLoopResult]: For program point L831-1(line 831) no Hoare annotation was computed. [2020-07-21 10:38:30,103 INFO L268 CegarLoopResult]: For program point L820(lines 820 828) no Hoare annotation was computed. [2020-07-21 10:38:30,103 INFO L268 CegarLoopResult]: For program point L820-2(lines 820 828) no Hoare annotation was computed. [2020-07-21 10:38:30,103 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 801 836) no Hoare annotation was computed. [2020-07-21 10:38:30,103 INFO L268 CegarLoopResult]: For program point L808(lines 808 816) no Hoare annotation was computed. [2020-07-21 10:38:30,103 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 801 836) no Hoare annotation was computed. [2020-07-21 10:38:30,103 INFO L268 CegarLoopResult]: For program point L808-2(lines 808 816) no Hoare annotation was computed. [2020-07-21 10:38:30,104 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 801 836) no Hoare annotation was computed. [2020-07-21 10:38:30,104 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 532 538) no Hoare annotation was computed. [2020-07-21 10:38:30,104 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 532 538) the Hoare annotation is: true [2020-07-21 10:38:30,104 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 152 197) no Hoare annotation was computed. [2020-07-21 10:38:30,104 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 152 197) no Hoare annotation was computed. [2020-07-21 10:38:30,104 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 152 197) no Hoare annotation was computed. [2020-07-21 10:38:30,104 INFO L268 CegarLoopResult]: For program point L479(lines 479 499) no Hoare annotation was computed. [2020-07-21 10:38:30,106 INFO L268 CegarLoopResult]: For program point L479-1(lines 479 499) no Hoare annotation was computed. [2020-07-21 10:38:30,106 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 465 510) no Hoare annotation was computed. [2020-07-21 10:38:30,106 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 465 510) no Hoare annotation was computed. [2020-07-21 10:38:30,106 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 465 510) no Hoare annotation was computed. [2020-07-21 10:38:30,107 INFO L268 CegarLoopResult]: For program point L485(lines 485 492) no Hoare annotation was computed. [2020-07-21 10:38:30,107 INFO L264 CegarLoopResult]: At program point L113(line 113) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,107 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 108 118) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,107 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 108 118) no Hoare annotation was computed. [2020-07-21 10:38:30,107 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 108 118) no Hoare annotation was computed. [2020-07-21 10:38:30,107 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-07-21 10:38:30,108 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 781 791) no Hoare annotation was computed. [2020-07-21 10:38:30,108 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 781 791) no Hoare annotation was computed. [2020-07-21 10:38:30,108 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 781 791) no Hoare annotation was computed. [2020-07-21 10:38:30,108 INFO L268 CegarLoopResult]: For program point L786(line 786) no Hoare annotation was computed. [2020-07-21 10:38:30,108 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 773 780) the Hoare annotation is: true [2020-07-21 10:38:30,108 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 773 780) no Hoare annotation was computed. [2020-07-21 10:38:30,108 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 773 780) no Hoare annotation was computed. [2020-07-21 10:38:30,109 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,109 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 740 764) no Hoare annotation was computed. [2020-07-21 10:38:30,109 INFO L268 CegarLoopResult]: For program point L759-1(lines 740 764) no Hoare annotation was computed. [2020-07-21 10:38:30,109 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 740 764) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,109 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:38:30,109 INFO L264 CegarLoopResult]: At program point L750(line 750) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:38:30,109 INFO L268 CegarLoopResult]: For program point L748(lines 748 756) no Hoare annotation was computed. [2020-07-21 10:38:30,110 INFO L264 CegarLoopResult]: At program point L746(line 746) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:38:30,110 INFO L268 CegarLoopResult]: For program point L746-1(line 746) no Hoare annotation was computed. [2020-07-21 10:38:30,110 INFO L268 CegarLoopResult]: For program point L744(lines 744 761) no Hoare annotation was computed. [2020-07-21 10:38:30,110 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 732 738) no Hoare annotation was computed. [2020-07-21 10:38:30,110 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 732 738) the Hoare annotation is: true [2020-07-21 10:38:30,110 INFO L264 CegarLoopResult]: At program point testENTRY(lines 857 920) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,111 INFO L268 CegarLoopResult]: For program point testFINAL(lines 857 920) no Hoare annotation was computed. [2020-07-21 10:38:30,111 INFO L264 CegarLoopResult]: At program point L913(lines 866 914) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,111 INFO L268 CegarLoopResult]: For program point L903(lines 903 907) no Hoare annotation was computed. [2020-07-21 10:38:30,111 INFO L264 CegarLoopResult]: At program point L903-2(lines 897 908) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,112 INFO L268 CegarLoopResult]: For program point L868(lines 867 912) no Hoare annotation was computed. [2020-07-21 10:38:30,112 INFO L268 CegarLoopResult]: For program point L897(lines 897 908) no Hoare annotation was computed. [2020-07-21 10:38:30,112 INFO L264 CegarLoopResult]: At program point L889(line 889) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,112 INFO L268 CegarLoopResult]: For program point L887(lines 887 893) no Hoare annotation was computed. [2020-07-21 10:38:30,112 INFO L268 CegarLoopResult]: For program point L887-1(lines 887 893) no Hoare annotation was computed. [2020-07-21 10:38:30,113 INFO L264 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,113 INFO L264 CegarLoopResult]: At program point L910(lines 867 912) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,113 INFO L268 CegarLoopResult]: For program point L877(lines 877 883) no Hoare annotation was computed. [2020-07-21 10:38:30,113 INFO L268 CegarLoopResult]: For program point L877-1(lines 877 883) no Hoare annotation was computed. [2020-07-21 10:38:30,113 INFO L268 CegarLoopResult]: For program point L869(lines 869 873) no Hoare annotation was computed. [2020-07-21 10:38:30,113 INFO L268 CegarLoopResult]: For program point testEXIT(lines 857 920) no Hoare annotation was computed. [2020-07-21 10:38:30,113 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 419 464) no Hoare annotation was computed. [2020-07-21 10:38:30,114 INFO L268 CegarLoopResult]: For program point L439(lines 439 446) no Hoare annotation was computed. [2020-07-21 10:38:30,115 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 419 464) no Hoare annotation was computed. [2020-07-21 10:38:30,117 INFO L268 CegarLoopResult]: For program point L433(lines 433 453) no Hoare annotation was computed. [2020-07-21 10:38:30,117 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 419 464) no Hoare annotation was computed. [2020-07-21 10:38:30,118 INFO L268 CegarLoopResult]: For program point L433-1(lines 433 453) no Hoare annotation was computed. [2020-07-21 10:38:30,118 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 690 698) no Hoare annotation was computed. [2020-07-21 10:38:30,118 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 690 698) the Hoare annotation is: true [2020-07-21 10:38:30,118 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 690 698) no Hoare annotation was computed. [2020-07-21 10:38:30,118 INFO L268 CegarLoopResult]: For program point L666(lines 666 674) no Hoare annotation was computed. [2020-07-21 10:38:30,118 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 658 680) no Hoare annotation was computed. [2020-07-21 10:38:30,118 INFO L268 CegarLoopResult]: For program point L666-2(lines 666 674) no Hoare annotation was computed. [2020-07-21 10:38:30,119 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 658 680) no Hoare annotation was computed. [2020-07-21 10:38:30,119 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 658 680) no Hoare annotation was computed. [2020-07-21 10:38:30,119 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 316 418) no Hoare annotation was computed. [2020-07-21 10:38:30,119 INFO L268 CegarLoopResult]: For program point L345(lines 345 361) no Hoare annotation was computed. [2020-07-21 10:38:30,119 INFO L268 CegarLoopResult]: For program point L405(lines 405 412) no Hoare annotation was computed. [2020-07-21 10:38:30,119 INFO L268 CegarLoopResult]: For program point L366(lines 365 385) no Hoare annotation was computed. [2020-07-21 10:38:30,128 INFO L268 CegarLoopResult]: For program point L397(line 397) no Hoare annotation was computed. [2020-07-21 10:38:30,128 INFO L268 CegarLoopResult]: For program point L397-1(line 397) no Hoare annotation was computed. [2020-07-21 10:38:30,128 INFO L268 CegarLoopResult]: For program point L362(lines 362 403) no Hoare annotation was computed. [2020-07-21 10:38:30,128 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 316 418) no Hoare annotation was computed. [2020-07-21 10:38:30,128 INFO L268 CegarLoopResult]: For program point L381(line 381) no Hoare annotation was computed. [2020-07-21 10:38:30,129 INFO L268 CegarLoopResult]: For program point L381-1(line 381) no Hoare annotation was computed. [2020-07-21 10:38:30,129 INFO L268 CegarLoopResult]: For program point L340(lines 340 344) no Hoare annotation was computed. [2020-07-21 10:38:30,129 INFO L268 CegarLoopResult]: For program point L404(lines 404 415) no Hoare annotation was computed. [2020-07-21 10:38:30,129 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 316 418) no Hoare annotation was computed. [2020-07-21 10:38:30,129 INFO L268 CegarLoopResult]: For program point L367(lines 367 371) no Hoare annotation was computed. [2020-07-21 10:38:30,129 INFO L268 CegarLoopResult]: For program point L365-2(lines 365 385) no Hoare annotation was computed. [2020-07-21 10:38:30,129 INFO L268 CegarLoopResult]: For program point L386(lines 364 387) no Hoare annotation was computed. [2020-07-21 10:38:30,129 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 522 531) no Hoare annotation was computed. [2020-07-21 10:38:30,130 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 522 531) no Hoare annotation was computed. [2020-07-21 10:38:30,130 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 522 531) no Hoare annotation was computed. [2020-07-21 10:38:30,130 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:30,130 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:38:30,130 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:30,132 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 765 772) no Hoare annotation was computed. [2020-07-21 10:38:30,132 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 765 772) no Hoare annotation was computed. [2020-07-21 10:38:30,132 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 765 772) no Hoare annotation was computed. [2020-07-21 10:38:30,132 INFO L271 CegarLoopResult]: At program point getWaterLevelENTRY(lines 681 689) the Hoare annotation is: true [2020-07-21 10:38:30,132 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 681 689) no Hoare annotation was computed. [2020-07-21 10:38:30,133 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 681 689) no Hoare annotation was computed. [2020-07-21 10:38:30,133 INFO L268 CegarLoopResult]: For program point L641-1(lines 637 648) no Hoare annotation was computed. [2020-07-21 10:38:30,133 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 637 648) the Hoare annotation is: true [2020-07-21 10:38:30,133 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 637 648) no Hoare annotation was computed. [2020-07-21 10:38:30,133 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:30,133 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:38:30,133 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:30,134 INFO L264 CegarLoopResult]: At program point L721(line 721) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,134 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 705 731) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,134 INFO L264 CegarLoopResult]: At program point L719(lines 719 725) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,134 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 705 731) no Hoare annotation was computed. [2020-07-21 10:38:30,134 INFO L264 CegarLoopResult]: At program point L714(line 714) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 ~systemActive~0))) [2020-07-21 10:38:30,134 INFO L268 CegarLoopResult]: For program point L712(lines 708 730) no Hoare annotation was computed. [2020-07-21 10:38:30,134 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 705 731) no Hoare annotation was computed. [2020-07-21 10:38:30,135 INFO L268 CegarLoopResult]: For program point L710(lines 708 730) no Hoare annotation was computed. [2020-07-21 10:38:30,135 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 42 71) no Hoare annotation was computed. [2020-07-21 10:38:30,135 INFO L268 CegarLoopResult]: For program point L63(line 63) no Hoare annotation was computed. [2020-07-21 10:38:30,135 INFO L264 CegarLoopResult]: At program point cleanupENTRY(lines 42 71) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,135 INFO L268 CegarLoopResult]: For program point L56(lines 56 60) no Hoare annotation was computed. [2020-07-21 10:38:30,135 INFO L264 CegarLoopResult]: At program point L56-1(lines 56 60) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,135 INFO L268 CegarLoopResult]: For program point L53(line 53) no Hoare annotation was computed. [2020-07-21 10:38:30,136 INFO L264 CegarLoopResult]: At program point L52-2(lines 52 66) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,136 INFO L264 CegarLoopResult]: At program point L48(line 48) the Hoare annotation is: (or (not (<= 1 ~systemActive~0)) (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:38:30,137 INFO L268 CegarLoopResult]: For program point L48-1(line 48) no Hoare annotation was computed. [2020-07-21 10:38:30,137 INFO L271 CegarLoopResult]: At program point L67(lines 42 71) the Hoare annotation is: true [2020-07-21 10:38:30,137 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalENTRY(lines 649 657) no Hoare annotation was computed. [2020-07-21 10:38:30,137 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 649 657) no Hoare annotation was computed. [2020-07-21 10:38:30,137 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 649 657) no Hoare annotation was computed. [2020-07-21 10:38:30,137 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 613 624) the Hoare annotation is: true [2020-07-21 10:38:30,137 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 613 624) no Hoare annotation was computed. [2020-07-21 10:38:30,138 INFO L268 CegarLoopResult]: For program point L617-1(lines 613 624) no Hoare annotation was computed. [2020-07-21 10:38:30,138 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 99 105) no Hoare annotation was computed. [2020-07-21 10:38:30,139 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 99 105) the Hoare annotation is: true [2020-07-21 10:38:30,139 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:38:30,139 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:38:30,139 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:38:30,139 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:38:30,139 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 625 636) no Hoare annotation was computed. [2020-07-21 10:38:30,139 INFO L268 CegarLoopResult]: For program point L629-1(lines 625 636) no Hoare annotation was computed. [2020-07-21 10:38:30,140 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 625 636) the Hoare annotation is: true [2020-07-21 10:38:30,140 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 512 519) no Hoare annotation was computed. [2020-07-21 10:38:30,140 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 516) no Hoare annotation was computed. [2020-07-21 10:38:30,140 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 512 519) the Hoare annotation is: true [2020-07-21 10:38:30,140 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 512 519) no Hoare annotation was computed. [2020-07-21 10:38:30,167 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:38:30 BoogieIcfgContainer [2020-07-21 10:38:30,167 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:38:30,171 INFO L168 Benchmark]: Toolchain (without parser) took 4824.47 ms. Allocated memory was 135.8 MB in the beginning and 255.3 MB in the end (delta: 119.5 MB). Free memory was 99.6 MB in the beginning and 184.0 MB in the end (delta: -84.4 MB). Peak memory consumption was 139.0 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:30,174 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. [2020-07-21 10:38:30,176 INFO L168 Benchmark]: CACSL2BoogieTranslator took 709.75 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 99.1 MB in the beginning and 170.0 MB in the end (delta: -70.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:30,177 INFO L168 Benchmark]: Boogie Preprocessor took 88.64 ms. Allocated memory is still 199.8 MB. Free memory was 170.0 MB in the beginning and 163.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:30,179 INFO L168 Benchmark]: RCFGBuilder took 1323.96 ms. Allocated memory was 199.8 MB in the beginning and 228.1 MB in the end (delta: 28.3 MB). Free memory was 163.7 MB in the beginning and 194.6 MB in the end (delta: -30.9 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:30,185 INFO L168 Benchmark]: TraceAbstraction took 2696.23 ms. Allocated memory was 228.1 MB in the beginning and 255.3 MB in the end (delta: 27.3 MB). Free memory was 194.6 MB in the beginning and 184.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 141.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:38:30,196 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 135.8 MB. Free memory was 118.9 MB in the beginning and 118.7 MB in the end (delta: 209.9 kB). Peak memory consumption was 209.9 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 709.75 ms. Allocated memory was 135.8 MB in the beginning and 199.8 MB in the end (delta: 64.0 MB). Free memory was 99.1 MB in the beginning and 170.0 MB in the end (delta: -70.9 MB). Peak memory consumption was 29.6 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 88.64 ms. Allocated memory is still 199.8 MB. Free memory was 170.0 MB in the beginning and 163.7 MB in the end (delta: 6.3 MB). Peak memory consumption was 6.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1323.96 ms. Allocated memory was 199.8 MB in the beginning and 228.1 MB in the end (delta: 28.3 MB). Free memory was 163.7 MB in the beginning and 194.6 MB in the end (delta: -30.9 MB). Peak memory consumption was 88.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 2696.23 ms. Allocated memory was 228.1 MB in the beginning and 255.3 MB in the end (delta: 27.3 MB). Free memory was 194.6 MB in the beginning and 184.0 MB in the end (delta: 10.6 MB). Peak memory consumption was 141.8 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 516]: 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: 867]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 866]: Loop Invariant Derived loop invariant: (!(1 <= systemActive) || !(0 == \old(pumpRunning))) || 0 == pumpRunning - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 224 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 1.9s, OverallIterations: 3, TraceHistogramMax: 2, AutomataDifference: 0.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 372 SDtfs, 171 SDslu, 245 SDs, 0 SdLazy, 60 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 190 GetRequests, 183 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=157occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 175 PreInvPairs, 191 NumberOfFragments, 351 HoareAnnotationTreeSize, 175 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 52 FomulaSimplificationsInter, 302 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 191 NumberOfCodeBlocks, 191 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 188 ConstructedInterpolants, 0 QuantifiedInterpolants, 19990 SizeOfPredicates, 3 NumberOfNonLiveVariables, 2101 ConjunctsInSsa, 14 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 PerfectInterpolantSequences, 9/9 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...