/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample FPandBPonlyIfFpWasNotPerfect -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.assert.codeblocks NOT_INCREMENTALLY -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-d623d84 [2020-07-21 10:35:05,093 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-21 10:35:05,096 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-21 10:35:05,108 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-21 10:35:05,108 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-21 10:35:05,109 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-21 10:35:05,110 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-21 10:35:05,112 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-21 10:35:05,114 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-21 10:35:05,115 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-21 10:35:05,116 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-21 10:35:05,117 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-21 10:35:05,117 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-21 10:35:05,118 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-21 10:35:05,119 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-21 10:35:05,121 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-21 10:35:05,122 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-21 10:35:05,122 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-21 10:35:05,124 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-21 10:35:05,126 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-21 10:35:05,127 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-21 10:35:05,128 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-21 10:35:05,129 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-21 10:35:05,130 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-21 10:35:05,132 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-21 10:35:05,132 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-21 10:35:05,133 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-21 10:35:05,134 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-21 10:35:05,134 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-21 10:35:05,135 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-21 10:35:05,135 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-21 10:35:05,136 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-21 10:35:05,137 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-21 10:35:05,138 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-21 10:35:05,139 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-21 10:35:05,139 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-21 10:35:05,139 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-21 10:35:05,140 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-21 10:35:05,140 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-21 10:35:05,141 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-21 10:35:05,141 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-21 10:35:05,142 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 10:35:05,156 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-21 10:35:05,157 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-21 10:35:05,158 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-21 10:35:05,158 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-21 10:35:05,158 INFO L138 SettingsManager]: * Use SBE=true [2020-07-21 10:35:05,159 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-21 10:35:05,159 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-21 10:35:05,159 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-21 10:35:05,159 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-21 10:35:05,159 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-21 10:35:05,160 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-21 10:35:05,160 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-21 10:35:05,160 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-21 10:35:05,160 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-21 10:35:05,160 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-21 10:35:05,161 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-21 10:35:05,161 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-21 10:35:05,161 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-21 10:35:05,161 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-21 10:35:05,162 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-21 10:35:05,162 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-21 10:35:05,162 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-21 10:35:05,162 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-21 10:35:05,162 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-21 10:35:05,163 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-21 10:35:05,163 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-21 10:35:05,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:05,163 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-21 10:35:05,163 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-21 10:35:05,164 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 10:35:05,473 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-21 10:35:05,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-21 10:35:05,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-21 10:35:05,491 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-21 10:35:05,491 INFO L275 PluginConnector]: CDTParser initialized [2020-07-21 10:35:05,492 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-07-21 10:35:05,573 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314948efa/04afaf8c696d4941ba4b77019ba38372/FLAG190196372 [2020-07-21 10:35:06,153 INFO L306 CDTParser]: Found 1 translation units. [2020-07-21 10:35:06,153 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/product-lines/minepump_spec1_product24.cil.c [2020-07-21 10:35:06,175 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314948efa/04afaf8c696d4941ba4b77019ba38372/FLAG190196372 [2020-07-21 10:35:06,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/314948efa/04afaf8c696d4941ba4b77019ba38372 [2020-07-21 10:35:06,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-21 10:35:06,434 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-21 10:35:06,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:06,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-21 10:35:06,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-21 10:35:06,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,441 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53f8717a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:06, skipping insertion in model container [2020-07-21 10:35:06,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.07 10:35:06" (1/1) ... [2020-07-21 10:35:06,449 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-21 10:35:06,488 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-21 10:35:06,851 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:06,966 INFO L203 MainTranslator]: Completed pre-run [2020-07-21 10:35:07,060 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-21 10:35:07,094 INFO L208 MainTranslator]: Completed translation [2020-07-21 10:35:07,095 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07 WrapperNode [2020-07-21 10:35:07,095 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-21 10:35:07,096 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-21 10:35:07,096 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-21 10:35:07,096 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-21 10:35:07,109 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,109 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,128 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,129 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,176 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,194 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (1/1) ... [2020-07-21 10:35:07,222 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-21 10:35:07,225 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-21 10:35:07,225 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-21 10:35:07,226 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-21 10:35:07,226 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (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 10:35:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-21 10:35:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-21 10:35:07,308 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-07-21 10:35:07,309 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-07-21 10:35:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-07-21 10:35:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-07-21 10:35:07,310 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-07-21 10:35:07,311 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-07-21 10:35:07,311 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-07-21 10:35:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-07-21 10:35:07,312 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-07-21 10:35:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-07-21 10:35:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-07-21 10:35:07,313 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-07-21 10:35:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-07-21 10:35:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-07-21 10:35:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-07-21 10:35:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-07-21 10:35:07,314 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-21 10:35:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-07-21 10:35:07,315 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-07-21 10:35:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 10:35:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-07-21 10:35:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-07-21 10:35:07,316 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-07-21 10:35:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-07-21 10:35:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-07-21 10:35:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-07-21 10:35:07,317 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-07-21 10:35:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-07-21 10:35:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-07-21 10:35:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-07-21 10:35:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-07-21 10:35:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-07-21 10:35:07,318 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-07-21 10:35:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-21 10:35:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-07-21 10:35:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-07-21 10:35:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-07-21 10:35:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-07-21 10:35:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-07-21 10:35:07,319 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-07-21 10:35:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-07-21 10:35:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-07-21 10:35:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-21 10:35:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-07-21 10:35:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-07-21 10:35:07,320 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-21 10:35:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-07-21 10:35:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-07-21 10:35:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-21 10:35:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-07-21 10:35:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-07-21 10:35:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-21 10:35:07,321 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-07-21 10:35:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-07-21 10:35:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-07-21 10:35:07,322 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-07-21 10:35:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-07-21 10:35:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-07-21 10:35:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-07-21 10:35:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-07-21 10:35:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-07-21 10:35:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-07-21 10:35:07,323 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-07-21 10:35:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-07-21 10:35:07,324 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-07-21 10:35:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-07-21 10:35:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-07-21 10:35:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-07-21 10:35:07,325 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-07-21 10:35:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-07-21 10:35:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-07-21 10:35:07,326 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-07-21 10:35:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-07-21 10:35:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-07-21 10:35:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-07-21 10:35:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-21 10:35:07,327 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-07-21 10:35:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-07-21 10:35:07,328 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-07-21 10:35:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-07-21 10:35:07,329 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-07-21 10:35:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-07-21 10:35:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-07-21 10:35:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-07-21 10:35:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-21 10:35:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-21 10:35:07,330 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-21 10:35:08,545 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-21 10:35:08,545 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-21 10:35:08,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:08 BoogieIcfgContainer [2020-07-21 10:35:08,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-21 10:35:08,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-21 10:35:08,553 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-21 10:35:08,556 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-21 10:35:08,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.07 10:35:06" (1/3) ... [2020-07-21 10:35:08,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0bb914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:08, skipping insertion in model container [2020-07-21 10:35:08,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.07 10:35:07" (2/3) ... [2020-07-21 10:35:08,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4d0bb914 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.07 10:35:08, skipping insertion in model container [2020-07-21 10:35:08,558 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.07 10:35:08" (3/3) ... [2020-07-21 10:35:08,560 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product24.cil.c [2020-07-21 10:35:08,570 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBPonlyIfFpWasNotPerfect Determinization: PREDICATE_ABSTRACTION [2020-07-21 10:35:08,578 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-21 10:35:08,593 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-21 10:35:08,616 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-21 10:35:08,616 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-21 10:35:08,616 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBPonlyIfFpWasNotPerfect [2020-07-21 10:35:08,616 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-21 10:35:08,617 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-21 10:35:08,617 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-21 10:35:08,617 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-21 10:35:08,617 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-21 10:35:08,641 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states. [2020-07-21 10:35:08,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-07-21 10:35:08,652 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:08,653 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 10:35:08,653 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:08,659 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:08,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1314416883, now seen corresponding path program 1 times [2020-07-21 10:35:08,669 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:08,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1967502661] [2020-07-21 10:35:08,670 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 10:35:08,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:08,925 INFO L263 TraceCheckSpWp]: Trace formula consists of 648 conjuncts, 1 conjunts are in the unsatisfiable core [2020-07-21 10:35:08,936 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:08,970 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:08,971 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1967502661] [2020-07-21 10:35:08,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:08,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2020-07-21 10:35:08,973 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1138940353] [2020-07-21 10:35:08,979 INFO L459 AbstractCegarLoop]: Interpolant automaton has 2 states [2020-07-21 10:35:08,979 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:08,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2020-07-21 10:35:08,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2020-07-21 10:35:08,997 INFO L87 Difference]: Start difference. First operand 172 states. Second operand 2 states. [2020-07-21 10:35:09,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:09,042 INFO L93 Difference]: Finished difference Result 258 states and 323 transitions. [2020-07-21 10:35:09,042 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2020-07-21 10:35:09,043 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 46 [2020-07-21 10:35:09,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:09,058 INFO L225 Difference]: With dead ends: 258 [2020-07-21 10:35:09,058 INFO L226 Difference]: Without dead ends: 129 [2020-07-21 10:35:09,063 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 10:35:09,082 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2020-07-21 10:35:09,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 129. [2020-07-21 10:35:09,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 129 states. [2020-07-21 10:35:09,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 153 transitions. [2020-07-21 10:35:09,127 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 153 transitions. Word has length 46 [2020-07-21 10:35:09,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:09,127 INFO L479 AbstractCegarLoop]: Abstraction has 129 states and 153 transitions. [2020-07-21 10:35:09,127 INFO L480 AbstractCegarLoop]: Interpolant automaton has 2 states. [2020-07-21 10:35:09,128 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 153 transitions. [2020-07-21 10:35:09,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-07-21 10:35:09,135 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:09,135 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 10:35:09,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:09,350 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:09,351 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:09,351 INFO L82 PathProgramCache]: Analyzing trace with hash -1074186407, now seen corresponding path program 1 times [2020-07-21 10:35:09,352 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:09,353 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1884784511] [2020-07-21 10:35:09,353 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 10:35:09,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:09,533 INFO L263 TraceCheckSpWp]: Trace formula consists of 649 conjuncts, 2 conjunts are in the unsatisfiable core [2020-07-21 10:35:09,538 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:09,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:09,581 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:09,581 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1884784511] [2020-07-21 10:35:09,581 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:09,581 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:09,582 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1874196431] [2020-07-21 10:35:09,584 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:09,584 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:09,584 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:09,585 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:09,585 INFO L87 Difference]: Start difference. First operand 129 states and 153 transitions. Second operand 3 states. [2020-07-21 10:35:09,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:09,633 INFO L93 Difference]: Finished difference Result 197 states and 233 transitions. [2020-07-21 10:35:09,633 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:09,633 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 47 [2020-07-21 10:35:09,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:09,640 INFO L225 Difference]: With dead ends: 197 [2020-07-21 10:35:09,640 INFO L226 Difference]: Without dead ends: 120 [2020-07-21 10:35:09,643 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 10:35:09,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2020-07-21 10:35:09,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2020-07-21 10:35:09,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 120 states. [2020-07-21 10:35:09,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 141 transitions. [2020-07-21 10:35:09,669 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 141 transitions. Word has length 47 [2020-07-21 10:35:09,670 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:09,670 INFO L479 AbstractCegarLoop]: Abstraction has 120 states and 141 transitions. [2020-07-21 10:35:09,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:09,670 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 141 transitions. [2020-07-21 10:35:09,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-21 10:35:09,678 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:09,678 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-21 10:35:09,891 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:09,892 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:09,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:09,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1137714934, now seen corresponding path program 1 times [2020-07-21 10:35:09,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:09,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [871539276] [2020-07-21 10:35:09,895 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 10:35:10,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:10,069 INFO L263 TraceCheckSpWp]: Trace formula consists of 663 conjuncts, 8 conjunts are in the unsatisfiable core [2020-07-21 10:35:10,073 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:10,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:10,102 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:10,103 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [871539276] [2020-07-21 10:35:10,103 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:10,103 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-07-21 10:35:10,104 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1382026306] [2020-07-21 10:35:10,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-07-21 10:35:10,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:10,105 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-07-21 10:35:10,105 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:10,105 INFO L87 Difference]: Start difference. First operand 120 states and 141 transitions. Second operand 3 states. [2020-07-21 10:35:10,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:10,135 INFO L93 Difference]: Finished difference Result 308 states and 374 transitions. [2020-07-21 10:35:10,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-07-21 10:35:10,135 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2020-07-21 10:35:10,136 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:10,139 INFO L225 Difference]: With dead ends: 308 [2020-07-21 10:35:10,139 INFO L226 Difference]: Without dead ends: 212 [2020-07-21 10:35:10,140 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 51 GetRequests, 50 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-07-21 10:35:10,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2020-07-21 10:35:10,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 206. [2020-07-21 10:35:10,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 206 states. [2020-07-21 10:35:10,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 249 transitions. [2020-07-21 10:35:10,189 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 249 transitions. Word has length 52 [2020-07-21 10:35:10,189 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:10,190 INFO L479 AbstractCegarLoop]: Abstraction has 206 states and 249 transitions. [2020-07-21 10:35:10,190 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-07-21 10:35:10,190 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 249 transitions. [2020-07-21 10:35:10,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-07-21 10:35:10,197 INFO L414 BasicCegarLoop]: Found error trace [2020-07-21 10:35:10,197 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] [2020-07-21 10:35:10,416 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:10,417 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-21 10:35:10,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-21 10:35:10,418 INFO L82 PathProgramCache]: Analyzing trace with hash -430999927, now seen corresponding path program 1 times [2020-07-21 10:35:10,418 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-21 10:35:10,418 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [790195743] [2020-07-21 10:35:10,419 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-21 10:35:10,608 INFO L263 TraceCheckSpWp]: Trace formula consists of 677 conjuncts, 11 conjunts are in the unsatisfiable core [2020-07-21 10:35:10,618 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-21 10:35:10,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-21 10:35:10,657 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2020-07-21 10:35:10,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [790195743] [2020-07-21 10:35:10,658 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-21 10:35:10,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-21 10:35:10,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2071335004] [2020-07-21 10:35:10,659 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-21 10:35:10,659 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-21 10:35:10,659 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-21 10:35:10,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-07-21 10:35:10,660 INFO L87 Difference]: Start difference. First operand 206 states and 249 transitions. Second operand 6 states. [2020-07-21 10:35:10,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-21 10:35:10,886 INFO L93 Difference]: Finished difference Result 323 states and 400 transitions. [2020-07-21 10:35:10,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-21 10:35:10,887 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 57 [2020-07-21 10:35:10,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-21 10:35:10,888 INFO L225 Difference]: With dead ends: 323 [2020-07-21 10:35:10,888 INFO L226 Difference]: Without dead ends: 0 [2020-07-21 10:35:10,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 52 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 10:35:10,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-07-21 10:35:10,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-07-21 10:35:10,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-07-21 10:35:10,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-07-21 10:35:10,891 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 57 [2020-07-21 10:35:10,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-21 10:35:10,891 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-21 10:35:10,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-21 10:35:10,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-07-21 10:35:10,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-21 10:35:11,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-21 10:35:11,105 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-07-21 10:35:12,002 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:35:12,002 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-07-21 10:35:12,002 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-07-21 10:35:12,002 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-07-21 10:35:12,003 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:35:12,003 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-07-21 10:35:12,003 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:35:12,003 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-07-21 10:35:12,003 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-07-21 10:35:12,003 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-07-21 10:35:12,003 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:35:12,004 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:35:12,004 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-07-21 10:35:12,004 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-07-21 10:35:12,004 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:35:12,006 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-07-21 10:35:12,006 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-07-21 10:35:12,007 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-07-21 10:35:12,007 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 933 939) the Hoare annotation is: true [2020-07-21 10:35:12,007 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 933 939) no Hoare annotation was computed. [2020-07-21 10:35:12,007 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 940 948) no Hoare annotation was computed. [2020-07-21 10:35:12,007 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 940 948) the Hoare annotation is: true [2020-07-21 10:35:12,008 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 940 948) no Hoare annotation was computed. [2020-07-21 10:35:12,008 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 688 710) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,009 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,011 INFO L264 CegarLoopResult]: At program point L700-1(line 700) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,011 INFO L268 CegarLoopResult]: For program point L698(lines 698 705) no Hoare annotation was computed. [2020-07-21 10:35:12,011 INFO L268 CegarLoopResult]: For program point L698-1(lines 698 705) no Hoare annotation was computed. [2020-07-21 10:35:12,011 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 688 710) no Hoare annotation was computed. [2020-07-21 10:35:12,011 INFO L268 CegarLoopResult]: For program point L696(line 696) no Hoare annotation was computed. [2020-07-21 10:35:12,011 INFO L264 CegarLoopResult]: At program point L695(line 695) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,012 INFO L264 CegarLoopResult]: At program point L694(line 694) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,013 INFO L264 CegarLoopResult]: At program point L694-1(line 694) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,013 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 688 710) no Hoare annotation was computed. [2020-07-21 10:35:12,013 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 644 667) no Hoare annotation was computed. [2020-07-21 10:35:12,014 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 644 667) no Hoare annotation was computed. [2020-07-21 10:35:12,014 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 644 667) no Hoare annotation was computed. [2020-07-21 10:35:12,014 INFO L268 CegarLoopResult]: For program point L662(line 662) no Hoare annotation was computed. [2020-07-21 10:35:12,014 INFO L268 CegarLoopResult]: For program point L661(line 661) no Hoare annotation was computed. [2020-07-21 10:35:12,014 INFO L268 CegarLoopResult]: For program point L660(line 660) no Hoare annotation was computed. [2020-07-21 10:35:12,014 INFO L268 CegarLoopResult]: For program point L659(line 659) no Hoare annotation was computed. [2020-07-21 10:35:12,014 INFO L268 CegarLoopResult]: For program point L658(line 658) no Hoare annotation was computed. [2020-07-21 10:35:12,015 INFO L268 CegarLoopResult]: For program point L657(line 657) no Hoare annotation was computed. [2020-07-21 10:35:12,015 INFO L268 CegarLoopResult]: For program point L656(line 656) no Hoare annotation was computed. [2020-07-21 10:35:12,015 INFO L268 CegarLoopResult]: For program point L655(line 655) no Hoare annotation was computed. [2020-07-21 10:35:12,015 INFO L268 CegarLoopResult]: For program point L654(line 654) no Hoare annotation was computed. [2020-07-21 10:35:12,015 INFO L268 CegarLoopResult]: For program point L653(line 653) no Hoare annotation was computed. [2020-07-21 10:35:12,015 INFO L268 CegarLoopResult]: For program point L652(line 652) no Hoare annotation was computed. [2020-07-21 10:35:12,015 INFO L268 CegarLoopResult]: For program point L651(line 651) no Hoare annotation was computed. [2020-07-21 10:35:12,015 INFO L268 CegarLoopResult]: For program point L650(line 650) no Hoare annotation was computed. [2020-07-21 10:35:12,016 INFO L268 CegarLoopResult]: For program point L649(line 649) no Hoare annotation was computed. [2020-07-21 10:35:12,016 INFO L264 CegarLoopResult]: At program point L897(line 897) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:12,016 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 891 905) no Hoare annotation was computed. [2020-07-21 10:35:12,016 INFO L268 CegarLoopResult]: For program point L895(lines 895 901) no Hoare annotation was computed. [2020-07-21 10:35:12,016 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 891 905) the Hoare annotation is: (let ((.cse0 (not (= 0 |old(~pumpRunning~0)|)))) (and (or .cse0 (= 0 ~pumpRunning~0)) (or .cse0 (<= 1 ~systemActive~0) (not (<= 1 |old(~systemActive~0)|))))) [2020-07-21 10:35:12,016 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 891 905) no Hoare annotation was computed. [2020-07-21 10:35:12,017 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 827 835) no Hoare annotation was computed. [2020-07-21 10:35:12,017 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 827 835) the Hoare annotation is: true [2020-07-21 10:35:12,017 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 827 835) no Hoare annotation was computed. [2020-07-21 10:35:12,017 INFO L268 CegarLoopResult]: For program point L881(lines 881 885) no Hoare annotation was computed. [2020-07-21 10:35:12,017 INFO L271 CegarLoopResult]: At program point L879(line 879) the Hoare annotation is: true [2020-07-21 10:35:12,017 INFO L268 CegarLoopResult]: For program point L881-2(lines 881 885) no Hoare annotation was computed. [2020-07-21 10:35:12,017 INFO L268 CegarLoopResult]: For program point L879-1(line 879) no Hoare annotation was computed. [2020-07-21 10:35:12,017 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 872 890) the Hoare annotation is: true [2020-07-21 10:35:12,018 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 872 890) no Hoare annotation was computed. [2020-07-21 10:35:12,018 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 872 890) no Hoare annotation was computed. [2020-07-21 10:35:12,018 INFO L268 CegarLoopResult]: For program point L866-1(line 866) no Hoare annotation was computed. [2020-07-21 10:35:12,018 INFO L268 CegarLoopResult]: For program point L855(lines 855 863) no Hoare annotation was computed. [2020-07-21 10:35:12,018 INFO L268 CegarLoopResult]: For program point L855-2(lines 855 863) no Hoare annotation was computed. [2020-07-21 10:35:12,018 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 836 871) no Hoare annotation was computed. [2020-07-21 10:35:12,018 INFO L268 CegarLoopResult]: For program point L843(lines 843 851) no Hoare annotation was computed. [2020-07-21 10:35:12,019 INFO L268 CegarLoopResult]: For program point L843-2(lines 843 851) no Hoare annotation was computed. [2020-07-21 10:35:12,019 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 836 871) no Hoare annotation was computed. [2020-07-21 10:35:12,019 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 836 871) no Hoare annotation was computed. [2020-07-21 10:35:12,019 INFO L268 CegarLoopResult]: For program point L866(line 866) no Hoare annotation was computed. [2020-07-21 10:35:12,019 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 926 932) no Hoare annotation was computed. [2020-07-21 10:35:12,019 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 926 932) the Hoare annotation is: true [2020-07-21 10:35:12,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:35:12,019 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:35:12,020 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-07-21 10:35:12,020 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-07-21 10:35:12,020 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:35:12,020 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:35:12,020 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-07-21 10:35:12,020 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:35:12,020 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-07-21 10:35:12,021 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 675 684) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,021 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 675 684) no Hoare annotation was computed. [2020-07-21 10:35:12,021 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 675 684) no Hoare annotation was computed. [2020-07-21 10:35:12,022 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 816 826) the Hoare annotation is: true [2020-07-21 10:35:12,022 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 816 826) no Hoare annotation was computed. [2020-07-21 10:35:12,022 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 816 826) no Hoare annotation was computed. [2020-07-21 10:35:12,022 INFO L271 CegarLoopResult]: At program point L821(line 821) the Hoare annotation is: true [2020-07-21 10:35:12,023 INFO L268 CegarLoopResult]: For program point L821-1(line 821) no Hoare annotation was computed. [2020-07-21 10:35:12,025 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 808 815) the Hoare annotation is: true [2020-07-21 10:35:12,025 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 808 815) no Hoare annotation was computed. [2020-07-21 10:35:12,025 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 808 815) no Hoare annotation was computed. [2020-07-21 10:35:12,025 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:12,025 INFO L268 CegarLoopResult]: For program point L794-1(lines 775 799) no Hoare annotation was computed. [2020-07-21 10:35:12,026 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 775 799) no Hoare annotation was computed. [2020-07-21 10:35:12,026 INFO L264 CegarLoopResult]: At program point L789(line 789) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:12,026 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 775 799) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:12,026 INFO L264 CegarLoopResult]: At program point L785(line 785) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:12,026 INFO L268 CegarLoopResult]: For program point L783(lines 783 791) no Hoare annotation was computed. [2020-07-21 10:35:12,026 INFO L264 CegarLoopResult]: At program point L781(line 781) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:12,026 INFO L268 CegarLoopResult]: For program point L781-1(line 781) no Hoare annotation was computed. [2020-07-21 10:35:12,027 INFO L268 CegarLoopResult]: For program point L779(lines 779 796) no Hoare annotation was computed. [2020-07-21 10:35:12,027 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 741 747) no Hoare annotation was computed. [2020-07-21 10:35:12,027 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 741 747) the Hoare annotation is: true [2020-07-21 10:35:12,027 INFO L264 CegarLoopResult]: At program point testENTRY(lines 543 610) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,027 INFO L264 CegarLoopResult]: At program point L603(lines 552 604) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,027 INFO L268 CegarLoopResult]: For program point testFINAL(lines 543 610) no Hoare annotation was computed. [2020-07-21 10:35:12,027 INFO L264 CegarLoopResult]: At program point L593(line 593) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,028 INFO L268 CegarLoopResult]: For program point L591(lines 591 597) no Hoare annotation was computed. [2020-07-21 10:35:12,030 INFO L264 CegarLoopResult]: At program point L591-1(lines 583 598) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,030 INFO L268 CegarLoopResult]: For program point L554(lines 553 602) no Hoare annotation was computed. [2020-07-21 10:35:12,030 INFO L264 CegarLoopResult]: At program point L585(line 585) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,030 INFO L268 CegarLoopResult]: For program point L583(lines 583 598) no Hoare annotation was computed. [2020-07-21 10:35:12,030 INFO L264 CegarLoopResult]: At program point L575(line 575) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,031 INFO L268 CegarLoopResult]: For program point L573(lines 573 579) no Hoare annotation was computed. [2020-07-21 10:35:12,031 INFO L268 CegarLoopResult]: For program point L573-1(lines 573 579) no Hoare annotation was computed. [2020-07-21 10:35:12,031 INFO L264 CegarLoopResult]: At program point L600(lines 553 602) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,031 INFO L264 CegarLoopResult]: At program point L565(line 565) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (and (= 0 ~pumpRunning~0) (<= test_~splverifierCounter~0 0)) (not (<= 1 |old(~systemActive~0)|))) [2020-07-21 10:35:12,031 INFO L268 CegarLoopResult]: For program point L563(lines 563 569) no Hoare annotation was computed. [2020-07-21 10:35:12,031 INFO L268 CegarLoopResult]: For program point L563-1(lines 563 569) no Hoare annotation was computed. [2020-07-21 10:35:12,032 INFO L268 CegarLoopResult]: For program point L555(lines 555 559) no Hoare annotation was computed. [2020-07-21 10:35:12,032 INFO L268 CegarLoopResult]: For program point testEXIT(lines 543 610) no Hoare annotation was computed. [2020-07-21 10:35:12,032 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:35:12,033 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:35:12,033 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-07-21 10:35:12,033 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-07-21 10:35:12,033 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:35:12,033 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-07-21 10:35:12,033 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 492 500) no Hoare annotation was computed. [2020-07-21 10:35:12,033 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 492 500) the Hoare annotation is: true [2020-07-21 10:35:12,035 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 492 500) no Hoare annotation was computed. [2020-07-21 10:35:12,035 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 460 482) no Hoare annotation was computed. [2020-07-21 10:35:12,035 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 460 482) no Hoare annotation was computed. [2020-07-21 10:35:12,036 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 460 482) no Hoare annotation was computed. [2020-07-21 10:35:12,036 INFO L268 CegarLoopResult]: For program point L468(lines 468 476) no Hoare annotation was computed. [2020-07-21 10:35:12,036 INFO L268 CegarLoopResult]: For program point L468-2(lines 468 476) no Hoare annotation was computed. [2020-07-21 10:35:12,036 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-07-21 10:35:12,036 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:35:12,036 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-07-21 10:35:12,036 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-07-21 10:35:12,036 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-07-21 10:35:12,036 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-07-21 10:35:12,037 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:35:12,037 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-07-21 10:35:12,037 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:35:12,037 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-07-21 10:35:12,037 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-07-21 10:35:12,037 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-07-21 10:35:12,037 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-07-21 10:35:12,038 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-07-21 10:35:12,038 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-07-21 10:35:12,038 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-07-21 10:35:12,038 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 916 925) no Hoare annotation was computed. [2020-07-21 10:35:12,038 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 916 925) no Hoare annotation was computed. [2020-07-21 10:35:12,038 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 916 925) no Hoare annotation was computed. [2020-07-21 10:35:12,038 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:12,039 INFO L271 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:12,039 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:12,039 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 800 807) no Hoare annotation was computed. [2020-07-21 10:35:12,039 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 800 807) no Hoare annotation was computed. [2020-07-21 10:35:12,039 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 800 807) no Hoare annotation was computed. [2020-07-21 10:35:12,039 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 483 491) no Hoare annotation was computed. [2020-07-21 10:35:12,039 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 483 491) no Hoare annotation was computed. [2020-07-21 10:35:12,040 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 483 491) no Hoare annotation was computed. [2020-07-21 10:35:12,040 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:12,040 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-07-21 10:35:12,040 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:12,040 INFO L271 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 439 450) the Hoare annotation is: true [2020-07-21 10:35:12,040 INFO L268 CegarLoopResult]: For program point L443-1(lines 439 450) no Hoare annotation was computed. [2020-07-21 10:35:12,040 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 439 450) no Hoare annotation was computed. [2020-07-21 10:35:12,040 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 451 459) the Hoare annotation is: true [2020-07-21 10:35:12,041 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 451 459) no Hoare annotation was computed. [2020-07-21 10:35:12,041 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 451 459) no Hoare annotation was computed. [2020-07-21 10:35:12,041 INFO L264 CegarLoopResult]: At program point L730(line 730) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:12,041 INFO L264 CegarLoopResult]: At program point L728(lines 728 734) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:12,042 INFO L264 CegarLoopResult]: At program point L723(line 723) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:12,042 INFO L268 CegarLoopResult]: For program point L721(lines 720 739) no Hoare annotation was computed. [2020-07-21 10:35:12,042 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 717 740) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:12,042 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 717 740) no Hoare annotation was computed. [2020-07-21 10:35:12,042 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 717 740) no Hoare annotation was computed. [2020-07-21 10:35:12,042 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 613 642) no Hoare annotation was computed. [2020-07-21 10:35:12,042 INFO L271 CegarLoopResult]: At program point L638(lines 613 642) the Hoare annotation is: true [2020-07-21 10:35:12,042 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 613 642) the Hoare annotation is: true [2020-07-21 10:35:12,043 INFO L268 CegarLoopResult]: For program point L634(line 634) no Hoare annotation was computed. [2020-07-21 10:35:12,043 INFO L268 CegarLoopResult]: For program point L627(lines 627 631) no Hoare annotation was computed. [2020-07-21 10:35:12,043 INFO L271 CegarLoopResult]: At program point L627-1(lines 627 631) the Hoare annotation is: true [2020-07-21 10:35:12,043 INFO L268 CegarLoopResult]: For program point L624(line 624) no Hoare annotation was computed. [2020-07-21 10:35:12,043 INFO L271 CegarLoopResult]: At program point L623-2(lines 623 637) the Hoare annotation is: true [2020-07-21 10:35:12,043 INFO L271 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: true [2020-07-21 10:35:12,044 INFO L268 CegarLoopResult]: For program point L619-1(line 619) no Hoare annotation was computed. [2020-07-21 10:35:12,044 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 415 426) the Hoare annotation is: true [2020-07-21 10:35:12,044 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 415 426) no Hoare annotation was computed. [2020-07-21 10:35:12,044 INFO L268 CegarLoopResult]: For program point L419-1(lines 415 426) no Hoare annotation was computed. [2020-07-21 10:35:12,045 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 668 674) no Hoare annotation was computed. [2020-07-21 10:35:12,045 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 668 674) the Hoare annotation is: true [2020-07-21 10:35:12,045 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-21 10:35:12,045 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 0 ~pumpRunning~0) (<= 1 ~systemActive~0)) [2020-07-21 10:35:12,045 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-07-21 10:35:12,045 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-21 10:35:12,045 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 906 913) no Hoare annotation was computed. [2020-07-21 10:35:12,045 INFO L271 CegarLoopResult]: At program point startSystemENTRY(lines 906 913) the Hoare annotation is: true [2020-07-21 10:35:12,046 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 906 913) no Hoare annotation was computed. [2020-07-21 10:35:12,046 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 427 438) no Hoare annotation was computed. [2020-07-21 10:35:12,046 INFO L268 CegarLoopResult]: For program point L431-1(lines 427 438) no Hoare annotation was computed. [2020-07-21 10:35:12,046 INFO L271 CegarLoopResult]: At program point waterRiseENTRY(lines 427 438) the Hoare annotation is: true [2020-07-21 10:35:12,047 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 530 537) no Hoare annotation was computed. [2020-07-21 10:35:12,047 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 534) no Hoare annotation was computed. [2020-07-21 10:35:12,047 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 530 537) the Hoare annotation is: true [2020-07-21 10:35:12,047 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 530 537) no Hoare annotation was computed. [2020-07-21 10:35:12,048 INFO L268 CegarLoopResult]: For program point L514-1(line 514) no Hoare annotation was computed. [2020-07-21 10:35:12,048 INFO L268 CegarLoopResult]: For program point L512(lines 512 525) no Hoare annotation was computed. [2020-07-21 10:35:12,048 INFO L268 CegarLoopResult]: For program point L512-1(lines 504 528) no Hoare annotation was computed. [2020-07-21 10:35:12,048 INFO L271 CegarLoopResult]: At program point L510(line 510) the Hoare annotation is: true [2020-07-21 10:35:12,048 INFO L268 CegarLoopResult]: For program point L510-1(line 510) no Hoare annotation was computed. [2020-07-21 10:35:12,048 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 504 528) the Hoare annotation is: true [2020-07-21 10:35:12,048 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 504 528) no Hoare annotation was computed. [2020-07-21 10:35:12,048 INFO L264 CegarLoopResult]: At program point L518(line 518) the Hoare annotation is: (not (= 0 ~pumpRunning~0)) [2020-07-21 10:35:12,049 INFO L268 CegarLoopResult]: For program point L516(lines 516 522) no Hoare annotation was computed. [2020-07-21 10:35:12,049 INFO L271 CegarLoopResult]: At program point L514(line 514) the Hoare annotation is: true [2020-07-21 10:35:12,049 INFO L264 CegarLoopResult]: At program point L768(line 768) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:12,049 INFO L268 CegarLoopResult]: For program point L768-1(lines 749 773) no Hoare annotation was computed. [2020-07-21 10:35:12,049 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 749 773) no Hoare annotation was computed. [2020-07-21 10:35:12,049 INFO L264 CegarLoopResult]: At program point L763(line 763) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:12,049 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 749 773) the Hoare annotation is: (or (not (= 0 |old(~pumpRunning~0)|)) (= 0 ~pumpRunning~0)) [2020-07-21 10:35:12,050 INFO L264 CegarLoopResult]: At program point L759(line 759) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:12,050 INFO L268 CegarLoopResult]: For program point L757(lines 757 765) no Hoare annotation was computed. [2020-07-21 10:35:12,050 INFO L264 CegarLoopResult]: At program point L755(line 755) the Hoare annotation is: (not (= 0 |old(~pumpRunning~0)|)) [2020-07-21 10:35:12,050 INFO L268 CegarLoopResult]: For program point L755-1(line 755) no Hoare annotation was computed. [2020-07-21 10:35:12,050 INFO L268 CegarLoopResult]: For program point L753(lines 753 770) no Hoare annotation was computed. [2020-07-21 10:35:12,074 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.07 10:35:12 BoogieIcfgContainer [2020-07-21 10:35:12,074 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-21 10:35:12,077 INFO L168 Benchmark]: Toolchain (without parser) took 5643.07 ms. Allocated memory was 137.4 MB in the beginning and 253.8 MB in the end (delta: 116.4 MB). Free memory was 100.7 MB in the beginning and 125.3 MB in the end (delta: -24.6 MB). Peak memory consumption was 91.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:12,080 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-21 10:35:12,082 INFO L168 Benchmark]: CACSL2BoogieTranslator took 661.07 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 171.1 MB in the end (delta: -70.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:12,087 INFO L168 Benchmark]: Boogie Preprocessor took 126.92 ms. Allocated memory is still 201.9 MB. Free memory was 171.1 MB in the beginning and 166.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:12,088 INFO L168 Benchmark]: RCFGBuilder took 1326.20 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 166.7 MB in the beginning and 197.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:12,090 INFO L168 Benchmark]: TraceAbstraction took 3521.73 ms. Allocated memory was 232.3 MB in the beginning and 253.8 MB in the end (delta: 21.5 MB). Free memory was 197.4 MB in the beginning and 125.3 MB in the end (delta: 72.1 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. [2020-07-21 10:35:12,102 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 137.4 MB. Free memory was 120.4 MB in the beginning and 120.2 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 661.07 ms. Allocated memory was 137.4 MB in the beginning and 201.9 MB in the end (delta: 64.5 MB). Free memory was 100.5 MB in the beginning and 171.1 MB in the end (delta: -70.6 MB). Peak memory consumption was 29.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 126.92 ms. Allocated memory is still 201.9 MB. Free memory was 171.1 MB in the beginning and 166.7 MB in the end (delta: 4.3 MB). Peak memory consumption was 4.3 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1326.20 ms. Allocated memory was 201.9 MB in the beginning and 232.3 MB in the end (delta: 30.4 MB). Free memory was 166.7 MB in the beginning and 197.4 MB in the end (delta: -30.6 MB). Peak memory consumption was 87.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 3521.73 ms. Allocated memory was 232.3 MB in the beginning and 253.8 MB in the end (delta: 21.5 MB). Free memory was 197.4 MB in the beginning and 125.3 MB in the end (delta: 72.1 MB). Peak memory consumption was 93.6 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 534]: 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: 553]: Loop Invariant Derived loop invariant: (!(0 == \old(pumpRunning)) || (0 == pumpRunning && splverifierCounter <= 0)) || !(1 <= \old(systemActive)) - InvariantResult [Line: 623]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 613]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 552]: Loop Invariant Derived loop invariant: !(0 == \old(pumpRunning)) || !(1 <= \old(systemActive)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 234 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 2.4s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 569 SDtfs, 193 SDslu, 456 SDs, 0 SdLazy, 67 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 200 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=206occurred in iteration=3, 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, 4 MinimizatonAttempts, 6 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 302 PreInvPairs, 318 NumberOfFragments, 381 HoareAnnotationTreeSize, 302 FomulaSimplifications, 63 FormulaSimplificationTreeSizeReduction, 0.4s HoareSimplificationTime, 61 FomulaSimplificationsInter, 472 FormulaSimplificationTreeSizeReductionInter, 0.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 202 NumberOfCodeBlocks, 202 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 198 ConstructedInterpolants, 0 QuantifiedInterpolants, 15658 SizeOfPredicates, 7 NumberOfNonLiveVariables, 2637 ConjunctsInSsa, 22 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 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...