/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 15:13:53,046 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 15:13:53,049 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 15:13:53,094 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 15:13:53,094 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 15:13:53,106 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 15:13:53,107 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 15:13:53,111 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 15:13:53,113 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 15:13:53,117 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 15:13:53,118 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 15:13:53,119 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 15:13:53,120 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 15:13:53,124 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 15:13:53,126 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 15:13:53,128 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 15:13:53,129 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 15:13:53,132 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 15:13:53,134 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 15:13:53,140 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 15:13:53,144 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 15:13:53,145 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 15:13:53,147 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 15:13:53,148 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 15:13:53,153 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 15:13:53,153 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 15:13:53,153 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 15:13:53,157 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 15:13:53,157 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 15:13:53,159 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 15:13:53,159 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 15:13:53,160 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 15:13:53,161 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 15:13:53,161 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 15:13:53,163 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 15:13:53,163 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 15:13:53,164 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 15:13:53,164 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 15:13:53,164 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 15:13:53,165 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 15:13:53,166 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 15:13:53,167 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 15:13:53,215 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 15:13:53,216 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 15:13:53,218 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 15:13:53,218 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 15:13:53,218 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 15:13:53,218 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 15:13:53,219 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 15:13:53,219 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 15:13:53,219 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 15:13:53,219 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 15:13:53,220 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 15:13:53,221 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 15:13:53,221 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 15:13:53,221 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 15:13:53,222 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 15:13:53,222 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 15:13:53,222 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 15:13:53,222 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 15:13:53,222 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 15:13:53,223 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 15:13:53,223 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 15:13:53,223 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:13:53,223 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 15:13:53,224 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 15:13:53,224 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 15:13:53,224 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 15:13:53,224 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 15:13:53,224 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 15:13:53,225 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 15:13:53,225 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 -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-18 15:13:53,541 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 15:13:53,563 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 15:13:53,566 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 15:13:53,568 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 15:13:53,568 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 15:13:53,569 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2020-08-18 15:13:53,632 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d077dd433/c9c5d3e9d28b4458a4d7f9b58681d164/FLAG2cc358458 [2020-08-18 15:13:54,122 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 15:13:54,123 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product27.cil.c [2020-08-18 15:13:54,144 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d077dd433/c9c5d3e9d28b4458a4d7f9b58681d164/FLAG2cc358458 [2020-08-18 15:13:54,452 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d077dd433/c9c5d3e9d28b4458a4d7f9b58681d164 [2020-08-18 15:13:54,462 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 15:13:54,463 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 15:13:54,464 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 15:13:54,464 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 15:13:54,467 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 15:13:54,468 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:13:54" (1/1) ... [2020-08-18 15:13:54,471 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ba1ca9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:54, skipping insertion in model container [2020-08-18 15:13:54,471 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:13:54" (1/1) ... [2020-08-18 15:13:54,479 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 15:13:54,526 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 15:13:55,005 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:13:55,025 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 15:13:55,114 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:13:55,148 INFO L208 MainTranslator]: Completed translation [2020-08-18 15:13:55,149 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:55 WrapperNode [2020-08-18 15:13:55,149 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 15:13:55,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 15:13:55,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 15:13:55,150 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 15:13:55,161 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:55" (1/1) ... [2020-08-18 15:13:55,161 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:55" (1/1) ... [2020-08-18 15:13:55,180 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:55" (1/1) ... [2020-08-18 15:13:55,181 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:55" (1/1) ... [2020-08-18 15:13:55,225 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:55" (1/1) ... [2020-08-18 15:13:55,241 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:55" (1/1) ... [2020-08-18 15:13:55,245 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:55" (1/1) ... [2020-08-18 15:13:55,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 15:13:55,254 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 15:13:55,254 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 15:13:55,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 15:13:55,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:55" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/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 [2020-08-18 15:13:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 15:13:55,353 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 15:13:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 15:13:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 15:13:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 15:13:55,354 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 15:13:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 15:13:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 15:13:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 15:13:55,355 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 15:13:55,356 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 15:13:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 15:13:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 15:13:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 15:13:55,357 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-18 15:13:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-18 15:13:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 15:13:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 15:13:55,358 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 15:13:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 15:13:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 15:13:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 15:13:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 15:13:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 15:13:55,359 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 15:13:55,360 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 15:13:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 15:13:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 15:13:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 15:13:55,361 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-18 15:13:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 15:13:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 15:13:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 15:13:55,362 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 15:13:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 15:13:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 15:13:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 15:13:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-18 15:13:55,363 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 15:13:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 15:13:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 15:13:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 15:13:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 15:13:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 15:13:55,364 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 15:13:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 15:13:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 15:13:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 15:13:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 15:13:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 15:13:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 15:13:55,365 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 15:13:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 15:13:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-18 15:13:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 15:13:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 15:13:55,366 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-18 15:13:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 15:13:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 15:13:55,367 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 15:13:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 15:13:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 15:13:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 15:13:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 15:13:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 15:13:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 15:13:55,368 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 15:13:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 15:13:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 15:13:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 15:13:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 15:13:55,369 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 15:13:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 15:13:55,370 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 15:13:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 15:13:55,371 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 15:13:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 15:13:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 15:13:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 15:13:55,372 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 15:13:55,373 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 15:13:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 15:13:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 15:13:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 15:13:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 15:13:55,374 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-18 15:13:55,375 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-18 15:13:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-18 15:13:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 15:13:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 15:13:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 15:13:55,376 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 15:13:56,583 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 15:13:56,583 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 15:13:56,593 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:13:56 BoogieIcfgContainer [2020-08-18 15:13:56,594 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 15:13:56,595 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 15:13:56,595 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 15:13:56,598 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 15:13:56,599 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 03:13:54" (1/3) ... [2020-08-18 15:13:56,600 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19abdbff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:13:56, skipping insertion in model container [2020-08-18 15:13:56,600 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:13:55" (2/3) ... [2020-08-18 15:13:56,601 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19abdbff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:13:56, skipping insertion in model container [2020-08-18 15:13:56,601 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:13:56" (3/3) ... [2020-08-18 15:13:56,603 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product27.cil.c [2020-08-18 15:13:56,614 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 15:13:56,625 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 15:13:56,640 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 15:13:56,674 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 15:13:56,674 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 15:13:56,674 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 15:13:56,674 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 15:13:56,674 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 15:13:56,674 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 15:13:56,675 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 15:13:56,675 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 15:13:56,694 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states. [2020-08-18 15:13:56,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-18 15:13:56,705 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:56,706 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] [2020-08-18 15:13:56,707 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:56,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:56,713 INFO L82 PathProgramCache]: Analyzing trace with hash 1851171777, now seen corresponding path program 1 times [2020-08-18 15:13:56,722 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:56,723 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1221137385] [2020-08-18 15:13:56,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:57,385 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:57,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:57,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:57,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:57,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:57,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:57,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:57,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:57,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:57,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:57,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 15:13:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:57,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-18 15:13:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:57,486 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:13:57,488 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1221137385] [2020-08-18 15:13:57,490 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:57,490 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-18 15:13:57,491 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701292968] [2020-08-18 15:13:57,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-18 15:13:57,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:57,512 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-18 15:13:57,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 15:13:57,515 INFO L87 Difference]: Start difference. First operand 164 states. Second operand 3 states. [2020-08-18 15:13:58,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:13:58,641 INFO L93 Difference]: Finished difference Result 261 states and 346 transitions. [2020-08-18 15:13:58,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-18 15:13:58,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-18 15:13:58,644 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:13:58,658 INFO L225 Difference]: With dead ends: 261 [2020-08-18 15:13:58,659 INFO L226 Difference]: Without dead ends: 142 [2020-08-18 15:13:58,663 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-18 15:13:58,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 142 states. [2020-08-18 15:13:58,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 142 to 110. [2020-08-18 15:13:58,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-18 15:13:58,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 129 transitions. [2020-08-18 15:13:58,749 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 129 transitions. Word has length 46 [2020-08-18 15:13:58,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:13:58,749 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 129 transitions. [2020-08-18 15:13:58,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-18 15:13:58,750 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 129 transitions. [2020-08-18 15:13:58,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-18 15:13:58,753 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:13:58,753 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] [2020-08-18 15:13:58,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 15:13:58,754 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:13:58,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:13:58,754 INFO L82 PathProgramCache]: Analyzing trace with hash -1354219367, now seen corresponding path program 1 times [2020-08-18 15:13:58,755 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:13:58,755 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1159776621] [2020-08-18 15:13:58,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:13:58,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:59,108 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:13:59,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:13:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:59,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:13:59,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:59,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:13:59,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:59,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:13:59,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:59,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:13:59,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:59,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:13:59,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:59,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 15:13:59,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:13:59,202 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:13:59,202 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1159776621] [2020-08-18 15:13:59,203 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:13:59,203 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 15:13:59,203 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1183513352] [2020-08-18 15:13:59,205 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 15:13:59,205 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:13:59,205 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 15:13:59,206 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 15:13:59,206 INFO L87 Difference]: Start difference. First operand 110 states and 129 transitions. Second operand 4 states. [2020-08-18 15:13:59,606 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:14:00,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:14:00,242 INFO L93 Difference]: Finished difference Result 188 states and 229 transitions. [2020-08-18 15:14:00,243 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 15:14:00,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-18 15:14:00,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:14:00,247 INFO L225 Difference]: With dead ends: 188 [2020-08-18 15:14:00,247 INFO L226 Difference]: Without dead ends: 126 [2020-08-18 15:14:00,248 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 15:14:00,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2020-08-18 15:14:00,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 101. [2020-08-18 15:14:00,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 101 states. [2020-08-18 15:14:00,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 117 transitions. [2020-08-18 15:14:00,282 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 117 transitions. Word has length 47 [2020-08-18 15:14:00,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:14:00,282 INFO L479 AbstractCegarLoop]: Abstraction has 101 states and 117 transitions. [2020-08-18 15:14:00,282 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 15:14:00,282 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 117 transitions. [2020-08-18 15:14:00,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 15:14:00,284 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:14:00,284 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:14:00,285 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 15:14:00,285 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:14:00,285 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:14:00,285 INFO L82 PathProgramCache]: Analyzing trace with hash 1234220754, now seen corresponding path program 1 times [2020-08-18 15:14:00,286 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:14:00,286 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1927298321] [2020-08-18 15:14:00,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:14:00,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:00,646 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:14:00,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:14:00,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:00,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:14:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:00,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:14:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:14:00,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:00,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:14:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:00,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 15:14:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:00,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 15:14:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:14:00,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1927298321] [2020-08-18 15:14:00,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:14:00,771 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 15:14:00,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614546147] [2020-08-18 15:14:00,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:14:00,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:14:00,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:14:00,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:14:00,774 INFO L87 Difference]: Start difference. First operand 101 states and 117 transitions. Second operand 8 states. [2020-08-18 15:14:01,157 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:14:01,459 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:01,702 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:01,959 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:02,619 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:14:03,964 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:14:03,965 INFO L93 Difference]: Finished difference Result 351 states and 437 transitions. [2020-08-18 15:14:03,967 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-18 15:14:03,967 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 51 [2020-08-18 15:14:03,968 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:14:03,972 INFO L225 Difference]: With dead ends: 351 [2020-08-18 15:14:03,972 INFO L226 Difference]: Without dead ends: 274 [2020-08-18 15:14:03,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 17 SyntacticMatches, 1 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2020-08-18 15:14:03,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2020-08-18 15:14:04,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 220. [2020-08-18 15:14:04,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-18 15:14:04,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 266 transitions. [2020-08-18 15:14:04,069 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 266 transitions. Word has length 51 [2020-08-18 15:14:04,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:14:04,070 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 266 transitions. [2020-08-18 15:14:04,070 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:14:04,070 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 266 transitions. [2020-08-18 15:14:04,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2020-08-18 15:14:04,073 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:14:04,073 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] [2020-08-18 15:14:04,073 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 15:14:04,073 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:14:04,073 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:14:04,075 INFO L82 PathProgramCache]: Analyzing trace with hash 1809763606, now seen corresponding path program 1 times [2020-08-18 15:14:04,075 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:14:04,075 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [196696601] [2020-08-18 15:14:04,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:14:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:04,339 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:14:04,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:14:04,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:04,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:14:04,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:04,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:14:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:04,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:14:04,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:04,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:14:04,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:04,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-18 15:14:04,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:04,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 15:14:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:04,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2020-08-18 15:14:04,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:04,427 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:14:04,428 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [196696601] [2020-08-18 15:14:04,428 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:14:04,428 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 15:14:04,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2084449084] [2020-08-18 15:14:04,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:14:04,429 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:14:04,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:14:04,430 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:14:04,430 INFO L87 Difference]: Start difference. First operand 220 states and 266 transitions. Second operand 8 states. [2020-08-18 15:14:04,795 WARN L193 SmtUtils]: Spent 190.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:14:05,792 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:06,079 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:06,350 WARN L193 SmtUtils]: Spent 227.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:06,610 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:14:06,946 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:14:07,568 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:14:07,569 INFO L93 Difference]: Finished difference Result 710 states and 931 transitions. [2020-08-18 15:14:07,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 15:14:07,571 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 57 [2020-08-18 15:14:07,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:14:07,578 INFO L225 Difference]: With dead ends: 710 [2020-08-18 15:14:07,578 INFO L226 Difference]: Without dead ends: 514 [2020-08-18 15:14:07,581 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-18 15:14:07,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 514 states. [2020-08-18 15:14:07,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 514 to 395. [2020-08-18 15:14:07,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 395 states. [2020-08-18 15:14:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 395 states and 482 transitions. [2020-08-18 15:14:07,712 INFO L78 Accepts]: Start accepts. Automaton has 395 states and 482 transitions. Word has length 57 [2020-08-18 15:14:07,712 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:14:07,712 INFO L479 AbstractCegarLoop]: Abstraction has 395 states and 482 transitions. [2020-08-18 15:14:07,713 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:14:07,713 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 482 transitions. [2020-08-18 15:14:07,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2020-08-18 15:14:07,715 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:14:07,716 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:14:07,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 15:14:07,716 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:14:07,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:14:07,717 INFO L82 PathProgramCache]: Analyzing trace with hash -239053862, now seen corresponding path program 1 times [2020-08-18 15:14:07,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:14:07,717 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [731412517] [2020-08-18 15:14:07,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:14:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:07,998 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:14:07,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:14:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:08,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:14:08,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:08,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:14:08,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:08,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:14:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:14:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:08,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-18 15:14:08,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:08,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 15:14:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:08,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 15:14:08,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:08,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-18 15:14:08,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:14:08,088 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:14:08,088 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [731412517] [2020-08-18 15:14:08,089 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:14:08,089 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 15:14:08,089 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138816432] [2020-08-18 15:14:08,090 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 15:14:08,090 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:14:08,090 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 15:14:08,091 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 15:14:08,091 INFO L87 Difference]: Start difference. First operand 395 states and 482 transitions. Second operand 9 states. [2020-08-18 15:14:08,529 WARN L193 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-18 15:14:09,443 WARN L193 SmtUtils]: Spent 256.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:09,736 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:09,962 WARN L193 SmtUtils]: Spent 204.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-18 15:14:10,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:14:10,258 INFO L93 Difference]: Finished difference Result 725 states and 942 transitions. [2020-08-18 15:14:10,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 15:14:10,258 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 61 [2020-08-18 15:14:10,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:14:10,260 INFO L225 Difference]: With dead ends: 725 [2020-08-18 15:14:10,260 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 15:14:10,263 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 22 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=74, Invalid=166, Unknown=0, NotChecked=0, Total=240 [2020-08-18 15:14:10,264 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 15:14:10,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 15:14:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 15:14:10,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 15:14:10,265 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 61 [2020-08-18 15:14:10,265 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:14:10,265 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 15:14:10,265 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 15:14:10,265 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 15:14:10,265 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 15:14:10,266 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 15:14:10,268 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 15:14:13,179 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 15:14:13,477 WARN L193 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:14:13,637 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:13,793 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 1 [2020-08-18 15:14:13,969 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:14,156 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:14:14,389 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-18 15:14:14,694 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 9 [2020-08-18 15:14:15,008 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:14:15,168 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 1 [2020-08-18 15:14:15,465 WARN L193 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 8 [2020-08-18 15:14:15,670 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 8 [2020-08-18 15:14:15,831 WARN L193 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 15:14:16,129 WARN L193 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 8 [2020-08-18 15:14:16,285 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-18 15:14:16,751 WARN L193 SmtUtils]: Spent 433.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 14 [2020-08-18 15:14:16,929 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:17,096 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:17,271 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:17,421 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:14:17,572 WARN L193 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-18 15:14:17,767 WARN L193 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 1 [2020-08-18 15:14:18,074 WARN L193 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 11 [2020-08-18 15:14:18,088 INFO L268 CegarLoopResult]: For program point L386-2(lines 386 407) no Hoare annotation was computed. [2020-08-18 15:14:18,088 INFO L268 CegarLoopResult]: For program point L408(lines 385 409) no Hoare annotation was computed. [2020-08-18 15:14:18,088 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 361 416) no Hoare annotation was computed. [2020-08-18 15:14:18,088 INFO L268 CegarLoopResult]: For program point L392(lines 392 396) no Hoare annotation was computed. [2020-08-18 15:14:18,088 INFO L268 CegarLoopResult]: For program point L392-1(lines 392 396) no Hoare annotation was computed. [2020-08-18 15:14:18,088 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 361 416) no Hoare annotation was computed. [2020-08-18 15:14:18,088 INFO L268 CegarLoopResult]: For program point L387(line 387) no Hoare annotation was computed. [2020-08-18 15:14:18,088 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 361 416) no Hoare annotation was computed. [2020-08-18 15:14:18,089 INFO L268 CegarLoopResult]: For program point L449(lines 449 453) no Hoare annotation was computed. [2020-08-18 15:14:18,089 INFO L268 CegarLoopResult]: For program point L449-1(lines 449 453) no Hoare annotation was computed. [2020-08-18 15:14:18,089 INFO L268 CegarLoopResult]: For program point L444(line 444) no Hoare annotation was computed. [2020-08-18 15:14:18,089 INFO L268 CegarLoopResult]: For program point L443-2(lines 443 468) no Hoare annotation was computed. [2020-08-18 15:14:18,090 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 417 476) no Hoare annotation was computed. [2020-08-18 15:14:18,090 INFO L268 CegarLoopResult]: For program point L469(lines 442 470) no Hoare annotation was computed. [2020-08-18 15:14:18,090 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 417 476) no Hoare annotation was computed. [2020-08-18 15:14:18,090 INFO L268 CegarLoopResult]: For program point L462(line 462) no Hoare annotation was computed. [2020-08-18 15:14:18,090 INFO L268 CegarLoopResult]: For program point L462-1(line 462) no Hoare annotation was computed. [2020-08-18 15:14:18,091 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 417 476) no Hoare annotation was computed. [2020-08-18 15:14:18,091 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 15:14:18,091 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 15:14:18,091 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 15:14:18,091 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 15:14:18,091 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 15:14:18,091 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 285 307) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:18,092 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 285 307) no Hoare annotation was computed. [2020-08-18 15:14:18,092 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 285 307) no Hoare annotation was computed. [2020-08-18 15:14:18,092 INFO L264 CegarLoopResult]: At program point L297(line 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:18,092 INFO L264 CegarLoopResult]: At program point L297-1(line 297) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:18,092 INFO L268 CegarLoopResult]: For program point L295(lines 295 302) no Hoare annotation was computed. [2020-08-18 15:14:18,092 INFO L268 CegarLoopResult]: For program point L295-1(lines 295 302) no Hoare annotation was computed. [2020-08-18 15:14:18,092 INFO L268 CegarLoopResult]: For program point L293(line 293) no Hoare annotation was computed. [2020-08-18 15:14:18,093 INFO L264 CegarLoopResult]: At program point L292(line 292) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:18,093 INFO L264 CegarLoopResult]: At program point L291(line 291) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:18,093 INFO L264 CegarLoopResult]: At program point L291-1(line 291) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:18,093 INFO L268 CegarLoopResult]: For program point L257(line 257) no Hoare annotation was computed. [2020-08-18 15:14:18,093 INFO L268 CegarLoopResult]: For program point L256(line 256) no Hoare annotation was computed. [2020-08-18 15:14:18,093 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 243 266) no Hoare annotation was computed. [2020-08-18 15:14:18,093 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-08-18 15:14:18,094 INFO L268 CegarLoopResult]: For program point L254(line 254) no Hoare annotation was computed. [2020-08-18 15:14:18,094 INFO L268 CegarLoopResult]: For program point L253(line 253) no Hoare annotation was computed. [2020-08-18 15:14:18,094 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 243 266) no Hoare annotation was computed. [2020-08-18 15:14:18,094 INFO L268 CegarLoopResult]: For program point L252(line 252) no Hoare annotation was computed. [2020-08-18 15:14:18,094 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 243 266) no Hoare annotation was computed. [2020-08-18 15:14:18,094 INFO L268 CegarLoopResult]: For program point L251(line 251) no Hoare annotation was computed. [2020-08-18 15:14:18,094 INFO L268 CegarLoopResult]: For program point L250(line 250) no Hoare annotation was computed. [2020-08-18 15:14:18,094 INFO L268 CegarLoopResult]: For program point L249(line 249) no Hoare annotation was computed. [2020-08-18 15:14:18,095 INFO L268 CegarLoopResult]: For program point L248(line 248) no Hoare annotation was computed. [2020-08-18 15:14:18,095 INFO L268 CegarLoopResult]: For program point L261(line 261) no Hoare annotation was computed. [2020-08-18 15:14:18,095 INFO L268 CegarLoopResult]: For program point L260(line 260) no Hoare annotation was computed. [2020-08-18 15:14:18,095 INFO L268 CegarLoopResult]: For program point L259(line 259) no Hoare annotation was computed. [2020-08-18 15:14:18,095 INFO L268 CegarLoopResult]: For program point L258(line 258) no Hoare annotation was computed. [2020-08-18 15:14:18,095 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 914 928) no Hoare annotation was computed. [2020-08-18 15:14:18,095 INFO L264 CegarLoopResult]: At program point L920(line 920) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 15:14:18,095 INFO L268 CegarLoopResult]: For program point L918(lines 918 924) no Hoare annotation was computed. [2020-08-18 15:14:18,095 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 914 928) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 15:14:18,095 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 914 928) no Hoare annotation was computed. [2020-08-18 15:14:18,096 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 850 858) no Hoare annotation was computed. [2020-08-18 15:14:18,096 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 850 858) the Hoare annotation is: true [2020-08-18 15:14:18,096 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 850 858) no Hoare annotation was computed. [2020-08-18 15:14:18,096 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 895 913) the Hoare annotation is: true [2020-08-18 15:14:18,096 INFO L268 CegarLoopResult]: For program point L904(lines 904 908) no Hoare annotation was computed. [2020-08-18 15:14:18,096 INFO L271 CegarLoopResult]: At program point L902(line 902) the Hoare annotation is: true [2020-08-18 15:14:18,096 INFO L268 CegarLoopResult]: For program point L904-2(lines 904 908) no Hoare annotation was computed. [2020-08-18 15:14:18,096 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 895 913) no Hoare annotation was computed. [2020-08-18 15:14:18,096 INFO L268 CegarLoopResult]: For program point L902-1(line 902) no Hoare annotation was computed. [2020-08-18 15:14:18,096 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 895 913) no Hoare annotation was computed. [2020-08-18 15:14:18,096 INFO L268 CegarLoopResult]: For program point L866-2(lines 866 874) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point L889(line 889) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point L889-1(line 889) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 859 894) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point L878(lines 878 886) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point L878-2(lines 878 886) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 859 894) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 859 894) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point L866(lines 866 874) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 315 360) no Hoare annotation was computed. [2020-08-18 15:14:18,097 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 315 360) no Hoare annotation was computed. [2020-08-18 15:14:18,098 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 315 360) no Hoare annotation was computed. [2020-08-18 15:14:18,098 INFO L268 CegarLoopResult]: For program point L642-1(lines 642 662) no Hoare annotation was computed. [2020-08-18 15:14:18,098 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 628 673) no Hoare annotation was computed. [2020-08-18 15:14:18,098 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 628 673) no Hoare annotation was computed. [2020-08-18 15:14:18,098 INFO L268 CegarLoopResult]: For program point L648(lines 648 655) no Hoare annotation was computed. [2020-08-18 15:14:18,098 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 628 673) no Hoare annotation was computed. [2020-08-18 15:14:18,098 INFO L268 CegarLoopResult]: For program point L642(lines 642 662) no Hoare annotation was computed. [2020-08-18 15:14:18,098 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 275 284) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:18,098 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 275 284) no Hoare annotation was computed. [2020-08-18 15:14:18,099 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 275 284) no Hoare annotation was computed. [2020-08-18 15:14:18,099 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 839 849) no Hoare annotation was computed. [2020-08-18 15:14:18,099 INFO L268 CegarLoopResult]: For program point L844(line 844) no Hoare annotation was computed. [2020-08-18 15:14:18,099 INFO L268 CegarLoopResult]: For program point L844-1(line 844) no Hoare annotation was computed. [2020-08-18 15:14:18,099 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 839 849) no Hoare annotation was computed. [2020-08-18 15:14:18,099 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 839 849) no Hoare annotation was computed. [2020-08-18 15:14:18,099 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 831 838) the Hoare annotation is: true [2020-08-18 15:14:18,099 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 831 838) no Hoare annotation was computed. [2020-08-18 15:14:18,099 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 831 838) no Hoare annotation was computed. [2020-08-18 15:14:18,100 INFO L264 CegarLoopResult]: At program point L799(line 799) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:18,100 INFO L268 CegarLoopResult]: For program point L799-1(lines 780 804) no Hoare annotation was computed. [2020-08-18 15:14:18,100 INFO L264 CegarLoopResult]: At program point L794(line 794) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:18,100 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 780 804) no Hoare annotation was computed. [2020-08-18 15:14:18,100 INFO L264 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:18,100 INFO L268 CegarLoopResult]: For program point L788(lines 788 796) no Hoare annotation was computed. [2020-08-18 15:14:18,101 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 780 804) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:18,101 INFO L264 CegarLoopResult]: At program point L786(line 786) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:18,101 INFO L268 CegarLoopResult]: For program point L786-1(line 786) no Hoare annotation was computed. [2020-08-18 15:14:18,101 INFO L268 CegarLoopResult]: For program point L784(lines 784 801) no Hoare annotation was computed. [2020-08-18 15:14:18,101 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 772 778) no Hoare annotation was computed. [2020-08-18 15:14:18,101 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 772 778) the Hoare annotation is: true [2020-08-18 15:14:18,101 INFO L268 CegarLoopResult]: For program point L706-1(lines 706 712) no Hoare annotation was computed. [2020-08-18 15:14:18,102 INFO L264 CegarLoopResult]: At program point testENTRY(lines 676 741) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:18,102 INFO L264 CegarLoopResult]: At program point L731(lines 686 733) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:18,102 INFO L264 CegarLoopResult]: At program point L698(line 698) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:18,102 INFO L268 CegarLoopResult]: For program point L696(lines 696 702) no Hoare annotation was computed. [2020-08-18 15:14:18,102 INFO L268 CegarLoopResult]: For program point L696-1(lines 696 702) no Hoare annotation was computed. [2020-08-18 15:14:18,102 INFO L268 CegarLoopResult]: For program point testFINAL(lines 676 741) no Hoare annotation was computed. [2020-08-18 15:14:18,102 INFO L268 CegarLoopResult]: For program point L688(lines 688 692) no Hoare annotation was computed. [2020-08-18 15:14:18,103 INFO L264 CegarLoopResult]: At program point L734(lines 685 735) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:14:18,103 INFO L264 CegarLoopResult]: At program point L724(line 724) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:18,103 INFO L268 CegarLoopResult]: For program point L722(lines 722 728) no Hoare annotation was computed. [2020-08-18 15:14:18,103 INFO L264 CegarLoopResult]: At program point L722-1(lines 716 729) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:18,103 INFO L268 CegarLoopResult]: For program point L687(lines 686 733) no Hoare annotation was computed. [2020-08-18 15:14:18,103 INFO L268 CegarLoopResult]: For program point L716(lines 716 729) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L264 CegarLoopResult]: At program point L708(line 708) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point testEXIT(lines 676 741) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point L706(lines 706 712) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point L602(lines 602 609) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 582 627) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 582 627) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point L596(lines 596 616) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point L596-1(lines 596 616) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 582 627) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 805 812) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 805 812) no Hoare annotation was computed. [2020-08-18 15:14:18,104 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 805 812) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 173 181) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 173 181) the Hoare annotation is: true [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 173 181) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 141 163) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 141 163) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point L149(lines 149 157) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 141 163) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point L149-2(lines 149 157) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 15:14:18,105 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 479 581) no Hoare annotation was computed. [2020-08-18 15:14:18,106 INFO L268 CegarLoopResult]: For program point L508(lines 508 524) no Hoare annotation was computed. [2020-08-18 15:14:18,106 INFO L268 CegarLoopResult]: For program point L568(lines 568 575) no Hoare annotation was computed. [2020-08-18 15:14:18,106 INFO L268 CegarLoopResult]: For program point L529(lines 528 548) no Hoare annotation was computed. [2020-08-18 15:14:18,106 INFO L268 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2020-08-18 15:14:18,106 INFO L268 CegarLoopResult]: For program point L560-1(line 560) no Hoare annotation was computed. [2020-08-18 15:14:18,106 INFO L268 CegarLoopResult]: For program point L525(lines 525 566) no Hoare annotation was computed. [2020-08-18 15:14:18,106 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 479 581) no Hoare annotation was computed. [2020-08-18 15:14:18,106 INFO L268 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2020-08-18 15:14:18,106 INFO L268 CegarLoopResult]: For program point L544-1(line 544) no Hoare annotation was computed. [2020-08-18 15:14:18,106 INFO L268 CegarLoopResult]: For program point L503(lines 503 507) no Hoare annotation was computed. [2020-08-18 15:14:18,107 INFO L268 CegarLoopResult]: For program point L567(lines 567 578) no Hoare annotation was computed. [2020-08-18 15:14:18,107 INFO L268 CegarLoopResult]: For program point L530(lines 530 534) no Hoare annotation was computed. [2020-08-18 15:14:18,107 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 479 581) no Hoare annotation was computed. [2020-08-18 15:14:18,107 INFO L268 CegarLoopResult]: For program point L528-2(lines 528 548) no Hoare annotation was computed. [2020-08-18 15:14:18,107 INFO L268 CegarLoopResult]: For program point L549(lines 527 550) no Hoare annotation was computed. [2020-08-18 15:14:18,107 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:14:18,108 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string4.base| |old(#t~string4.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string37.base| |old(#t~string37.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string37.offset| |old(#t~string37.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string36.base| |old(#t~string36.base)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string6.base| |old(#t~string6.base)|) (= |#t~string36.offset| |old(#t~string36.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string2.base| |old(#t~string2.base)|) (= |#t~string4.offset| |old(#t~string4.offset)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string10.offset| |old(#t~string10.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string10.base| |old(#t~string10.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string8.base| |old(#t~string8.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string6.offset| |old(#t~string6.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string2.offset| |old(#t~string2.offset)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string8.offset| |old(#t~string8.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 15:14:18,108 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:14:18,108 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 814 830) no Hoare annotation was computed. [2020-08-18 15:14:18,108 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-08-18 15:14:18,108 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 814 830) no Hoare annotation was computed. [2020-08-18 15:14:18,108 INFO L268 CegarLoopResult]: For program point L825-1(lines 814 830) no Hoare annotation was computed. [2020-08-18 15:14:18,108 INFO L268 CegarLoopResult]: For program point L821(lines 821 827) no Hoare annotation was computed. [2020-08-18 15:14:18,109 INFO L268 CegarLoopResult]: For program point L819(line 819) no Hoare annotation was computed. [2020-08-18 15:14:18,109 INFO L268 CegarLoopResult]: For program point L819-1(line 819) no Hoare annotation was computed. [2020-08-18 15:14:18,109 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 164 172) no Hoare annotation was computed. [2020-08-18 15:14:18,109 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 164 172) no Hoare annotation was computed. [2020-08-18 15:14:18,109 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 164 172) no Hoare annotation was computed. [2020-08-18 15:14:18,109 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 120 131) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 15:14:18,109 INFO L268 CegarLoopResult]: For program point L124-1(lines 120 131) no Hoare annotation was computed. [2020-08-18 15:14:18,109 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 120 131) no Hoare annotation was computed. [2020-08-18 15:14:18,109 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:14:18,110 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 15:14:18,110 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:14:18,110 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 132 140) the Hoare annotation is: true [2020-08-18 15:14:18,110 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 132 140) no Hoare annotation was computed. [2020-08-18 15:14:18,110 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 132 140) no Hoare annotation was computed. [2020-08-18 15:14:18,110 INFO L264 CegarLoopResult]: At program point L761(line 761) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0))) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:18,110 INFO L264 CegarLoopResult]: At program point L759(lines 759 765) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:18,111 INFO L264 CegarLoopResult]: At program point L754(line 754) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 15:14:18,111 INFO L268 CegarLoopResult]: For program point L752(lines 751 770) no Hoare annotation was computed. [2020-08-18 15:14:18,111 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 748 771) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-18 15:14:18,111 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 748 771) no Hoare annotation was computed. [2020-08-18 15:14:18,111 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 748 771) no Hoare annotation was computed. [2020-08-18 15:14:18,111 INFO L271 CegarLoopResult]: At program point L226-1(lines 226 230) the Hoare annotation is: true [2020-08-18 15:14:18,111 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 212 241) no Hoare annotation was computed. [2020-08-18 15:14:18,111 INFO L268 CegarLoopResult]: For program point L223(line 223) no Hoare annotation was computed. [2020-08-18 15:14:18,111 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 212 241) the Hoare annotation is: true [2020-08-18 15:14:18,112 INFO L271 CegarLoopResult]: At program point L222-2(lines 222 236) the Hoare annotation is: true [2020-08-18 15:14:18,112 INFO L271 CegarLoopResult]: At program point L218(line 218) the Hoare annotation is: true [2020-08-18 15:14:18,112 INFO L268 CegarLoopResult]: For program point L218-1(line 218) no Hoare annotation was computed. [2020-08-18 15:14:18,112 INFO L271 CegarLoopResult]: At program point L237(lines 212 241) the Hoare annotation is: true [2020-08-18 15:14:18,112 INFO L268 CegarLoopResult]: For program point L233(line 233) no Hoare annotation was computed. [2020-08-18 15:14:18,112 INFO L268 CegarLoopResult]: For program point L226(lines 226 230) no Hoare annotation was computed. [2020-08-18 15:14:18,112 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 96 107) the Hoare annotation is: true [2020-08-18 15:14:18,112 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 96 107) no Hoare annotation was computed. [2020-08-18 15:14:18,113 INFO L268 CegarLoopResult]: For program point L100-1(lines 96 107) no Hoare annotation was computed. [2020-08-18 15:14:18,113 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 267 273) no Hoare annotation was computed. [2020-08-18 15:14:18,113 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 267 273) the Hoare annotation is: true [2020-08-18 15:14:18,113 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:14:18,113 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 15:14:18,113 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 15:14:18,113 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:14:18,113 INFO L268 CegarLoopResult]: For program point L112-1(lines 108 119) no Hoare annotation was computed. [2020-08-18 15:14:18,113 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 108 119) no Hoare annotation was computed. [2020-08-18 15:14:18,114 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 108 119) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 15:14:18,114 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 78 85) no Hoare annotation was computed. [2020-08-18 15:14:18,114 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 82) no Hoare annotation was computed. [2020-08-18 15:14:18,114 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 78 85) the Hoare annotation is: true [2020-08-18 15:14:18,114 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 78 85) no Hoare annotation was computed. [2020-08-18 15:14:18,114 INFO L268 CegarLoopResult]: For program point L194-1(line 194) no Hoare annotation was computed. [2020-08-18 15:14:18,114 INFO L268 CegarLoopResult]: For program point L192(lines 192 205) no Hoare annotation was computed. [2020-08-18 15:14:18,115 INFO L268 CegarLoopResult]: For program point L192-1(lines 184 208) no Hoare annotation was computed. [2020-08-18 15:14:18,115 INFO L271 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: true [2020-08-18 15:14:18,115 INFO L268 CegarLoopResult]: For program point L190-1(line 190) no Hoare annotation was computed. [2020-08-18 15:14:18,115 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 184 208) the Hoare annotation is: true [2020-08-18 15:14:18,115 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 184 208) no Hoare annotation was computed. [2020-08-18 15:14:18,115 INFO L264 CegarLoopResult]: At program point L198(line 198) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 15:14:18,115 INFO L268 CegarLoopResult]: For program point L196(lines 196 202) no Hoare annotation was computed. [2020-08-18 15:14:18,115 INFO L264 CegarLoopResult]: At program point L194(line 194) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0))) [2020-08-18 15:14:18,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 03:14:18 BoogieIcfgContainer [2020-08-18 15:14:18,133 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 15:14:18,134 INFO L168 Benchmark]: Toolchain (without parser) took 23671.30 ms. Allocated memory was 140.5 MB in the beginning and 604.5 MB in the end (delta: 464.0 MB). Free memory was 103.3 MB in the beginning and 253.9 MB in the end (delta: -150.6 MB). Peak memory consumption was 483.6 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:18,135 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. [2020-08-18 15:14:18,136 INFO L168 Benchmark]: CACSL2BoogieTranslator took 685.20 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 172.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:18,137 INFO L168 Benchmark]: Boogie Preprocessor took 103.44 ms. Allocated memory is still 203.9 MB. Free memory was 172.7 MB in the beginning and 168.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:18,138 INFO L168 Benchmark]: RCFGBuilder took 1339.99 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 168.5 MB in the beginning and 197.6 MB in the end (delta: -29.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:18,139 INFO L168 Benchmark]: TraceAbstraction took 21537.75 ms. Allocated memory was 237.0 MB in the beginning and 604.5 MB in the end (delta: 367.5 MB). Free memory was 197.6 MB in the beginning and 253.9 MB in the end (delta: -56.3 MB). Peak memory consumption was 481.4 MB. Max. memory is 7.1 GB. [2020-08-18 15:14:18,143 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 140.5 MB. Free memory was 122.0 MB in the beginning and 121.8 MB in the end (delta: 209.8 kB). There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 685.20 ms. Allocated memory was 140.5 MB in the beginning and 203.9 MB in the end (delta: 63.4 MB). Free memory was 103.1 MB in the beginning and 172.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 27.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 103.44 ms. Allocated memory is still 203.9 MB. Free memory was 172.7 MB in the beginning and 168.5 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1339.99 ms. Allocated memory was 203.9 MB in the beginning and 237.0 MB in the end (delta: 33.0 MB). Free memory was 168.5 MB in the beginning and 197.6 MB in the end (delta: -29.0 MB). Peak memory consumption was 83.0 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21537.75 ms. Allocated memory was 237.0 MB in the beginning and 604.5 MB in the end (delta: 367.5 MB). Free memory was 197.6 MB in the beginning and 253.9 MB in the end (delta: -56.3 MB). Peak memory consumption was 481.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 82]: 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: 685]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 222]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 212]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 686]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 39 procedures, 227 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 13.5s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 10.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 7.8s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 461 SDtfs, 727 SDslu, 408 SDs, 0 SdLazy, 1994 SolverSat, 459 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 5.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 130 GetRequests, 87 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=395occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 5 MinimizatonAttempts, 230 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 52 LocationsWithAnnotation, 468 PreInvPairs, 543 NumberOfFragments, 677 HoareAnnotationTreeSize, 468 FomulaSimplifications, 56314 FormulaSimplificationTreeSizeReduction, 2.5s HoareSimplificationTime, 52 FomulaSimplificationsInter, 16892 FormulaSimplificationTreeSizeReductionInter, 5.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 262 NumberOfCodeBlocks, 262 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 257 ConstructedInterpolants, 0 QuantifiedInterpolants, 73254 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...