/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_spec2_product27.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:06:44,125 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:06:44,128 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:06:44,156 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:06:44,156 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:06:44,157 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:06:44,159 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:06:44,160 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:06:44,162 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:06:44,163 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:06:44,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:06:44,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:06:44,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:06:44,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:06:44,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:06:44,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:06:44,169 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:06:44,170 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:06:44,172 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:06:44,175 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:06:44,178 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:06:44,180 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:06:44,183 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:06:44,185 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:06:44,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:06:44,190 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:06:44,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:06:44,192 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:06:44,192 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:06:44,196 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:06:44,196 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:06:44,197 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:06:44,199 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:06:44,200 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:06:44,201 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:06:44,201 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:06:44,202 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:06:44,202 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:06:44,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:06:44,211 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:06:44,212 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:06:44,213 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 [2020-08-21 13:06:44,260 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:06:44,260 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:06:44,264 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:06:44,264 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:06:44,264 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:06:44,264 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:06:44,265 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:06:44,266 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:06:44,266 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:06:44,266 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:06:44,266 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:06:44,266 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:06:44,267 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:06:44,267 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:06:44,267 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:06:44,267 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:06:44,267 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:06:44,268 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:06:44,269 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:06:44,269 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:06:44,269 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:06:44,269 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:06:44,270 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:06:44,270 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:06:44,270 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:06:44,270 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:06:44,271 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:06:44,271 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:06:44,271 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:06:44,271 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 [2020-08-21 13:06:44,612 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:06:44,625 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:06:44,628 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:06:44,630 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:06:44,630 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:06:44,631 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-08-21 13:06:44,708 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3851f95fa/2da6caa2cab34c6fbc9547d7e8d19f78/FLAG247605163 [2020-08-21 13:06:45,261 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:06:45,262 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product27.cil.c [2020-08-21 13:06:45,279 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3851f95fa/2da6caa2cab34c6fbc9547d7e8d19f78/FLAG247605163 [2020-08-21 13:06:45,630 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/3851f95fa/2da6caa2cab34c6fbc9547d7e8d19f78 [2020-08-21 13:06:45,640 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:06:45,642 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:06:45,643 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:06:45,643 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:06:45,647 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:06:45,648 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:06:45" (1/1) ... [2020-08-21 13:06:45,651 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@684fb7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:45, skipping insertion in model container [2020-08-21 13:06:45,651 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:06:45" (1/1) ... [2020-08-21 13:06:45,658 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:06:45,701 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:06:46,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:06:46,107 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:06:46,188 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:06:46,225 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:06:46,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:46 WrapperNode [2020-08-21 13:06:46,226 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:06:46,226 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:06:46,227 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:06:46,227 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:06:46,240 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:46" (1/1) ... [2020-08-21 13:06:46,241 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:46" (1/1) ... [2020-08-21 13:06:46,261 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:46" (1/1) ... [2020-08-21 13:06:46,261 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:46" (1/1) ... [2020-08-21 13:06:46,293 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:46" (1/1) ... [2020-08-21 13:06:46,304 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:46" (1/1) ... [2020-08-21 13:06:46,309 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:46" (1/1) ... [2020-08-21 13:06:46,318 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:06:46,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:06:46,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:06:46,322 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:06:46,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:46" (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 [2020-08-21 13:06:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:06:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:06:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 13:06:46,394 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 13:06:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 13:06:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 13:06:46,395 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 13:06:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 13:06:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 13:06:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 13:06:46,396 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 13:06:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 13:06:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 13:06:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 13:06:46,397 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 13:06:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 13:06:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 13:06:46,398 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 13:06:46,399 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 13:06:46,399 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 13:06:46,400 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 13:06:46,400 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 13:06:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:06:46,401 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 13:06:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 13:06:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 13:06:46,402 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 13:06:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 13:06:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 13:06:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 13:06:46,403 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 13:06:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 13:06:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 13:06:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 13:06:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 13:06:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 13:06:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 13:06:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 13:06:46,404 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 13:06:46,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 13:06:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:06:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:06:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 13:06:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 13:06:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 13:06:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 13:06:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 13:06:46,405 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 13:06:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 13:06:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:06:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 13:06:46,406 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 13:06:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:06:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 13:06:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 13:06:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:06:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 13:06:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 13:06:46,407 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:06:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 13:06:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 13:06:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 13:06:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 13:06:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 13:06:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 13:06:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 13:06:46,408 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 13:06:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 13:06:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 13:06:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 13:06:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 13:06:46,409 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 13:06:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 13:06:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 13:06:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 13:06:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 13:06:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 13:06:46,410 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 13:06:46,411 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 13:06:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 13:06:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 13:06:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:06:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 13:06:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 13:06:46,412 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 13:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 13:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 13:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 13:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 13:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__lowWaterSensor [2020-08-21 13:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 13:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:06:46,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 13:06:46,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:06:47,434 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:06:47,435 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 13:06:47,439 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:06:47 BoogieIcfgContainer [2020-08-21 13:06:47,440 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:06:47,441 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:06:47,441 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:06:47,444 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:06:47,444 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:06:45" (1/3) ... [2020-08-21 13:06:47,445 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7784de6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:06:47, skipping insertion in model container [2020-08-21 13:06:47,445 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:06:46" (2/3) ... [2020-08-21 13:06:47,446 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7784de6a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:06:47, skipping insertion in model container [2020-08-21 13:06:47,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:06:47" (3/3) ... [2020-08-21 13:06:47,448 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product27.cil.c [2020-08-21 13:06:47,458 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:06:47,466 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:06:47,478 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:06:47,503 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:06:47,503 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:06:47,503 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:06:47,504 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:06:47,504 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:06:47,504 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:06:47,504 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:06:47,504 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:06:47,527 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states. [2020-08-21 13:06:47,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 13:06:47,536 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:06:47,537 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] [2020-08-21 13:06:47,537 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:06:47,543 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:06:47,543 INFO L82 PathProgramCache]: Analyzing trace with hash 1193827288, now seen corresponding path program 1 times [2020-08-21 13:06:47,552 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:06:47,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1069703888] [2020-08-21 13:06:47,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:06:47,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:48,228 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:06:48,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:06:48,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:48,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:06:48,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:48,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:06:48,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:48,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:06:48,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:48,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:06:48,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:48,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:06:48,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:48,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 13:06:48,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:48,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 13:06:48,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:48,351 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:06:48,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1069703888] [2020-08-21 13:06:48,354 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:06:48,355 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:06:48,356 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581324857] [2020-08-21 13:06:48,362 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:06:48,362 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:06:48,376 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:06:48,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:06:48,379 INFO L87 Difference]: Start difference. First operand 169 states. Second operand 4 states. [2020-08-21 13:06:49,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:06:49,428 INFO L93 Difference]: Finished difference Result 261 states and 345 transitions. [2020-08-21 13:06:49,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 13:06:49,430 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 13:06:49,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:06:49,445 INFO L225 Difference]: With dead ends: 261 [2020-08-21 13:06:49,445 INFO L226 Difference]: Without dead ends: 147 [2020-08-21 13:06:49,450 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:06:49,469 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2020-08-21 13:06:49,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 115. [2020-08-21 13:06:49,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 115 states. [2020-08-21 13:06:49,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 135 transitions. [2020-08-21 13:06:49,570 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 135 transitions. Word has length 51 [2020-08-21 13:06:49,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:06:49,570 INFO L479 AbstractCegarLoop]: Abstraction has 115 states and 135 transitions. [2020-08-21 13:06:49,571 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:06:49,571 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 135 transitions. [2020-08-21 13:06:49,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 13:06:49,576 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:06:49,576 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:06:49,576 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:06:49,577 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:06:49,577 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:06:49,577 INFO L82 PathProgramCache]: Analyzing trace with hash -1415337384, now seen corresponding path program 1 times [2020-08-21 13:06:49,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:06:49,578 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [906563115] [2020-08-21 13:06:49,578 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:06:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:50,005 WARN L193 SmtUtils]: Spent 260.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:06:50,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:06:50,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:50,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:06:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:50,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:06:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:50,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:06:50,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:50,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:06:50,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:50,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:06:50,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:50,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 13:06:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:50,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 13:06:50,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:50,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:06:50,058 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [906563115] [2020-08-21 13:06:50,058 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:06:50,058 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 13:06:50,059 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1630202121] [2020-08-21 13:06:50,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:06:50,061 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:06:50,061 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:06:50,061 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:06:50,061 INFO L87 Difference]: Start difference. First operand 115 states and 135 transitions. Second operand 5 states. [2020-08-21 13:06:50,521 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:06:51,240 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:06:51,241 INFO L93 Difference]: Finished difference Result 200 states and 248 transitions. [2020-08-21 13:06:51,242 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 13:06:51,242 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 13:06:51,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:06:51,245 INFO L225 Difference]: With dead ends: 200 [2020-08-21 13:06:51,246 INFO L226 Difference]: Without dead ends: 137 [2020-08-21 13:06:51,247 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-21 13:06:51,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2020-08-21 13:06:51,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 106. [2020-08-21 13:06:51,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 106 states. [2020-08-21 13:06:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 123 transitions. [2020-08-21 13:06:51,282 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 123 transitions. Word has length 52 [2020-08-21 13:06:51,283 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:06:51,283 INFO L479 AbstractCegarLoop]: Abstraction has 106 states and 123 transitions. [2020-08-21 13:06:51,283 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:06:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 123 transitions. [2020-08-21 13:06:51,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 13:06:51,285 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:06:51,286 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] [2020-08-21 13:06:51,286 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:06:51,286 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:06:51,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:06:51,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1317606701, now seen corresponding path program 1 times [2020-08-21 13:06:51,287 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:06:51,287 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757358982] [2020-08-21 13:06:51,287 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:06:51,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:51,629 WARN L193 SmtUtils]: Spent 233.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:06:51,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:06:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:51,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:06:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:51,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:06:51,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:51,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:06:51,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:51,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:06:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:51,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:06:51,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:51,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 13:06:51,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:51,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 13:06:51,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:51,724 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:06:51,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757358982] [2020-08-21 13:06:51,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:06:51,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:06:51,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [815603407] [2020-08-21 13:06:51,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:06:51,726 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:06:51,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:06:51,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:06:51,726 INFO L87 Difference]: Start difference. First operand 106 states and 123 transitions. Second operand 9 states. [2020-08-21 13:06:52,107 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:06:52,431 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:06:52,720 WARN L193 SmtUtils]: Spent 252.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:06:52,960 WARN L193 SmtUtils]: Spent 217.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:06:53,800 WARN L193 SmtUtils]: Spent 215.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:06:55,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:06:55,310 INFO L93 Difference]: Finished difference Result 362 states and 459 transitions. [2020-08-21 13:06:55,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 13:06:55,312 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-21 13:06:55,312 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:06:55,316 INFO L225 Difference]: With dead ends: 362 [2020-08-21 13:06:55,316 INFO L226 Difference]: Without dead ends: 284 [2020-08-21 13:06:55,318 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-21 13:06:55,319 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 284 states. [2020-08-21 13:06:55,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 284 to 227. [2020-08-21 13:06:55,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 227 states. [2020-08-21 13:06:55,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 227 states to 227 states and 276 transitions. [2020-08-21 13:06:55,388 INFO L78 Accepts]: Start accepts. Automaton has 227 states and 276 transitions. Word has length 56 [2020-08-21 13:06:55,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:06:55,389 INFO L479 AbstractCegarLoop]: Abstraction has 227 states and 276 transitions. [2020-08-21 13:06:55,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:06:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 276 transitions. [2020-08-21 13:06:55,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-21 13:06:55,391 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:06:55,391 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:06:55,392 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:06:55,392 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:06:55,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:06:55,392 INFO L82 PathProgramCache]: Analyzing trace with hash -1428573535, now seen corresponding path program 1 times [2020-08-21 13:06:55,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:06:55,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307353898] [2020-08-21 13:06:55,393 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:06:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:55,734 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:06:55,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:06:55,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:55,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:06:55,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:55,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:06:55,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:55,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:06:55,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:55,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:06:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:55,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:06:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:55,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 13:06:55,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:55,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 13:06:55,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:55,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 13:06:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:55,865 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:06:55,865 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307353898] [2020-08-21 13:06:55,866 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:06:55,866 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:06:55,867 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072354046] [2020-08-21 13:06:55,867 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:06:55,867 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:06:55,868 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:06:55,868 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:06:55,868 INFO L87 Difference]: Start difference. First operand 227 states and 276 transitions. Second operand 9 states. [2020-08-21 13:06:56,266 WARN L193 SmtUtils]: Spent 226.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:06:57,468 WARN L193 SmtUtils]: Spent 258.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:06:57,785 WARN L193 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:06:58,055 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:06:58,298 WARN L193 SmtUtils]: Spent 221.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:06:59,309 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:06:59,309 INFO L93 Difference]: Finished difference Result 723 states and 967 transitions. [2020-08-21 13:06:59,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 13:06:59,310 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-21 13:06:59,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:06:59,315 INFO L225 Difference]: With dead ends: 723 [2020-08-21 13:06:59,316 INFO L226 Difference]: Without dead ends: 524 [2020-08-21 13:06:59,319 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 13:06:59,320 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 524 states. [2020-08-21 13:06:59,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 524 to 402. [2020-08-21 13:06:59,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 402 states. [2020-08-21 13:06:59,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 492 transitions. [2020-08-21 13:06:59,427 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 492 transitions. Word has length 62 [2020-08-21 13:06:59,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:06:59,427 INFO L479 AbstractCegarLoop]: Abstraction has 402 states and 492 transitions. [2020-08-21 13:06:59,428 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:06:59,428 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 492 transitions. [2020-08-21 13:06:59,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-21 13:06:59,431 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:06:59,431 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 13:06:59,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:06:59,432 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:06:59,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:06:59,432 INFO L82 PathProgramCache]: Analyzing trace with hash 933153277, now seen corresponding path program 1 times [2020-08-21 13:06:59,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:06:59,432 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031340517] [2020-08-21 13:06:59,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:06:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,783 WARN L193 SmtUtils]: Spent 264.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:06:59,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:06:59,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:06:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:06:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:06:59,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:06:59,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:06:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 13:06:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 13:06:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 13:06:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 13:06:59,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:06:59,891 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 13:06:59,891 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031340517] [2020-08-21 13:06:59,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:06:59,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 13:06:59,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [631495181] [2020-08-21 13:06:59,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 13:06:59,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:06:59,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 13:06:59,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 13:06:59,894 INFO L87 Difference]: Start difference. First operand 402 states and 492 transitions. Second operand 10 states. [2020-08-21 13:07:00,363 WARN L193 SmtUtils]: Spent 262.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:07:01,329 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:07:01,617 WARN L193 SmtUtils]: Spent 223.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:07:01,887 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:07:02,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:07:02,326 INFO L93 Difference]: Finished difference Result 747 states and 992 transitions. [2020-08-21 13:07:02,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 13:07:02,329 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-21 13:07:02,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:07:02,329 INFO L225 Difference]: With dead ends: 747 [2020-08-21 13:07:02,329 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:07:02,332 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-21 13:07:02,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:07:02,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:07:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:07:02,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:07:02,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-21 13:07:02,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:07:02,333 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:07:02,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 13:07:02,333 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:07:02,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:07:02,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:07:02,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:07:05,632 WARN L193 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 13:07:05,801 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:07:05,974 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:07:06,139 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:07:06,330 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-21 13:07:06,674 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 13:07:06,992 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-21 13:07:07,195 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:07:07,516 WARN L193 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 13:07:07,674 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 13:07:08,033 WARN L193 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-21 13:07:08,384 WARN L193 SmtUtils]: Spent 338.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 13:07:08,567 WARN L193 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 13:07:08,751 WARN L193 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 13:07:09,064 WARN L193 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 13:07:09,243 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:07:09,443 WARN L193 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 13:07:09,603 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:07:09,783 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:07:09,935 WARN L193 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 13:07:10,449 WARN L193 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-21 13:07:10,805 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 13:07:11,172 WARN L193 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-21 13:07:11,492 WARN L193 SmtUtils]: Spent 317.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 13:07:11,497 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-21 13:07:11,497 INFO L268 CegarLoopResult]: For program point L123-1(lines 123 127) no Hoare annotation was computed. [2020-08-21 13:07:11,498 INFO L268 CegarLoopResult]: For program point L118(line 118) no Hoare annotation was computed. [2020-08-21 13:07:11,498 INFO L268 CegarLoopResult]: For program point L117-2(lines 117 138) no Hoare annotation was computed. [2020-08-21 13:07:11,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 92 147) no Hoare annotation was computed. [2020-08-21 13:07:11,498 INFO L268 CegarLoopResult]: For program point L139(lines 116 140) no Hoare annotation was computed. [2020-08-21 13:07:11,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 92 147) no Hoare annotation was computed. [2020-08-21 13:07:11,498 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 92 147) no Hoare annotation was computed. [2020-08-21 13:07:11,499 INFO L268 CegarLoopResult]: For program point L193(line 193) no Hoare annotation was computed. [2020-08-21 13:07:11,499 INFO L268 CegarLoopResult]: For program point L193-1(line 193) no Hoare annotation was computed. [2020-08-21 13:07:11,499 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 148 207) no Hoare annotation was computed. [2020-08-21 13:07:11,499 INFO L268 CegarLoopResult]: For program point L180(lines 180 184) no Hoare annotation was computed. [2020-08-21 13:07:11,499 INFO L268 CegarLoopResult]: For program point L180-1(lines 180 184) no Hoare annotation was computed. [2020-08-21 13:07:11,499 INFO L268 CegarLoopResult]: For program point L175(line 175) no Hoare annotation was computed. [2020-08-21 13:07:11,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 148 207) no Hoare annotation was computed. [2020-08-21 13:07:11,500 INFO L268 CegarLoopResult]: For program point L174-2(lines 174 199) no Hoare annotation was computed. [2020-08-21 13:07:11,500 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 148 207) no Hoare annotation was computed. [2020-08-21 13:07:11,500 INFO L268 CegarLoopResult]: For program point L200(lines 173 201) no Hoare annotation was computed. [2020-08-21 13:07:11,500 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 732 738) the Hoare annotation is: true [2020-08-21 13:07:11,500 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 732 738) no Hoare annotation was computed. [2020-08-21 13:07:11,501 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 739 747) no Hoare annotation was computed. [2020-08-21 13:07:11,501 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 739 747) the Hoare annotation is: true [2020-08-21 13:07:11,501 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 739 747) no Hoare annotation was computed. [2020-08-21 13:07:11,501 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 622 644) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:07:11,501 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:07:11,501 INFO L264 CegarLoopResult]: At program point L634-1(line 634) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= main_~tmp~4 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:07:11,502 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 622 644) no Hoare annotation was computed. [2020-08-21 13:07:11,502 INFO L268 CegarLoopResult]: For program point L632(lines 632 639) no Hoare annotation was computed. [2020-08-21 13:07:11,502 INFO L268 CegarLoopResult]: For program point L632-1(lines 632 639) no Hoare annotation was computed. [2020-08-21 13:07:11,502 INFO L268 CegarLoopResult]: For program point L630(line 630) no Hoare annotation was computed. [2020-08-21 13:07:11,502 INFO L264 CegarLoopResult]: At program point L629(line 629) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:07:11,502 INFO L264 CegarLoopResult]: At program point L628(line 628) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:07:11,503 INFO L264 CegarLoopResult]: At program point L628-1(line 628) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:07:11,503 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 622 644) no Hoare annotation was computed. [2020-08-21 13:07:11,503 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 576 599) no Hoare annotation was computed. [2020-08-21 13:07:11,503 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 576 599) no Hoare annotation was computed. [2020-08-21 13:07:11,503 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 576 599) no Hoare annotation was computed. [2020-08-21 13:07:11,503 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-08-21 13:07:11,503 INFO L268 CegarLoopResult]: For program point L593(line 593) no Hoare annotation was computed. [2020-08-21 13:07:11,504 INFO L268 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2020-08-21 13:07:11,504 INFO L268 CegarLoopResult]: For program point L591(line 591) no Hoare annotation was computed. [2020-08-21 13:07:11,504 INFO L268 CegarLoopResult]: For program point L590(line 590) no Hoare annotation was computed. [2020-08-21 13:07:11,504 INFO L268 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2020-08-21 13:07:11,504 INFO L268 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2020-08-21 13:07:11,504 INFO L268 CegarLoopResult]: For program point L587(line 587) no Hoare annotation was computed. [2020-08-21 13:07:11,504 INFO L268 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2020-08-21 13:07:11,504 INFO L268 CegarLoopResult]: For program point L585(line 585) no Hoare annotation was computed. [2020-08-21 13:07:11,504 INFO L268 CegarLoopResult]: For program point L584(line 584) no Hoare annotation was computed. [2020-08-21 13:07:11,505 INFO L268 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2020-08-21 13:07:11,505 INFO L268 CegarLoopResult]: For program point L582(line 582) no Hoare annotation was computed. [2020-08-21 13:07:11,505 INFO L268 CegarLoopResult]: For program point L581(line 581) no Hoare annotation was computed. [2020-08-21 13:07:11,505 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 920 934) no Hoare annotation was computed. [2020-08-21 13:07:11,505 INFO L264 CegarLoopResult]: At program point L926(line 926) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 13:07:11,505 INFO L268 CegarLoopResult]: For program point L924(lines 924 930) no Hoare annotation was computed. [2020-08-21 13:07:11,505 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 920 934) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 13:07:11,505 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 920 934) no Hoare annotation was computed. [2020-08-21 13:07:11,505 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 856 864) no Hoare annotation was computed. [2020-08-21 13:07:11,505 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 856 864) the Hoare annotation is: true [2020-08-21 13:07:11,505 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 856 864) no Hoare annotation was computed. [2020-08-21 13:07:11,506 INFO L268 CegarLoopResult]: For program point L910(lines 910 914) no Hoare annotation was computed. [2020-08-21 13:07:11,506 INFO L271 CegarLoopResult]: At program point L908(line 908) the Hoare annotation is: true [2020-08-21 13:07:11,506 INFO L268 CegarLoopResult]: For program point L910-2(lines 910 914) no Hoare annotation was computed. [2020-08-21 13:07:11,506 INFO L268 CegarLoopResult]: For program point L908-1(line 908) no Hoare annotation was computed. [2020-08-21 13:07:11,506 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 901 919) the Hoare annotation is: true [2020-08-21 13:07:11,506 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 901 919) no Hoare annotation was computed. [2020-08-21 13:07:11,506 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 901 919) no Hoare annotation was computed. [2020-08-21 13:07:11,506 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-08-21 13:07:11,506 INFO L268 CegarLoopResult]: For program point L895-1(line 895) no Hoare annotation was computed. [2020-08-21 13:07:11,506 INFO L268 CegarLoopResult]: For program point L884(lines 884 892) no Hoare annotation was computed. [2020-08-21 13:07:11,506 INFO L268 CegarLoopResult]: For program point L884-2(lines 884 892) no Hoare annotation was computed. [2020-08-21 13:07:11,506 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 865 900) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point L872(lines 872 880) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 865 900) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 880) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 865 900) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 725 731) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 725 731) the Hoare annotation is: true [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 46 91) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 46 91) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 46 91) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point L379(lines 379 386) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 359 404) no Hoare annotation was computed. [2020-08-21 13:07:11,507 INFO L268 CegarLoopResult]: For program point L373(lines 373 393) no Hoare annotation was computed. [2020-08-21 13:07:11,508 INFO L268 CegarLoopResult]: For program point L373-1(lines 373 393) no Hoare annotation was computed. [2020-08-21 13:07:11,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 359 404) no Hoare annotation was computed. [2020-08-21 13:07:11,508 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 359 404) no Hoare annotation was computed. [2020-08-21 13:07:11,508 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 608 618) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:07:11,508 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 608 618) no Hoare annotation was computed. [2020-08-21 13:07:11,508 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 608 618) no Hoare annotation was computed. [2020-08-21 13:07:11,508 INFO L264 CegarLoopResult]: At program point L613(line 613) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:07:11,508 INFO L268 CegarLoopResult]: For program point L850-1(line 850) no Hoare annotation was computed. [2020-08-21 13:07:11,509 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 845 855) no Hoare annotation was computed. [2020-08-21 13:07:11,509 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 845 855) no Hoare annotation was computed. [2020-08-21 13:07:11,509 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 845 855) no Hoare annotation was computed. [2020-08-21 13:07:11,509 INFO L268 CegarLoopResult]: For program point L850(line 850) no Hoare annotation was computed. [2020-08-21 13:07:11,509 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 837 844) the Hoare annotation is: true [2020-08-21 13:07:11,509 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 837 844) no Hoare annotation was computed. [2020-08-21 13:07:11,509 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 837 844) no Hoare annotation was computed. [2020-08-21 13:07:11,510 INFO L264 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:07:11,510 INFO L264 CegarLoopResult]: At program point L796(line 796) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:07:11,510 INFO L268 CegarLoopResult]: For program point L794(lines 794 802) no Hoare annotation was computed. [2020-08-21 13:07:11,510 INFO L264 CegarLoopResult]: At program point L792(line 792) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:07:11,510 INFO L268 CegarLoopResult]: For program point L792-1(line 792) no Hoare annotation was computed. [2020-08-21 13:07:11,510 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 786 810) no Hoare annotation was computed. [2020-08-21 13:07:11,510 INFO L268 CegarLoopResult]: For program point L790(lines 790 807) no Hoare annotation was computed. [2020-08-21 13:07:11,511 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 786 810) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:07:11,511 INFO L264 CegarLoopResult]: At program point L805(line 805) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:07:11,511 INFO L268 CegarLoopResult]: For program point L805-1(lines 786 810) no Hoare annotation was computed. [2020-08-21 13:07:11,511 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 778 784) no Hoare annotation was computed. [2020-08-21 13:07:11,511 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 778 784) the Hoare annotation is: true [2020-08-21 13:07:11,511 INFO L264 CegarLoopResult]: At program point testENTRY(lines 647 712) 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)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:07:11,511 INFO L264 CegarLoopResult]: At program point L702(lines 657 704) 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))) [2020-08-21 13:07:11,512 INFO L264 CegarLoopResult]: At program point L669(line 669) 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))) [2020-08-21 13:07:11,512 INFO L268 CegarLoopResult]: For program point L667(lines 667 673) no Hoare annotation was computed. [2020-08-21 13:07:11,512 INFO L268 CegarLoopResult]: For program point L667-1(lines 667 673) no Hoare annotation was computed. [2020-08-21 13:07:11,512 INFO L268 CegarLoopResult]: For program point testFINAL(lines 647 712) no Hoare annotation was computed. [2020-08-21 13:07:11,512 INFO L268 CegarLoopResult]: For program point L659(lines 659 663) no Hoare annotation was computed. [2020-08-21 13:07:11,512 INFO L264 CegarLoopResult]: At program point L705(lines 656 706) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:07:11,512 INFO L264 CegarLoopResult]: At program point L695(line 695) 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))) [2020-08-21 13:07:11,512 INFO L268 CegarLoopResult]: For program point L693(lines 693 699) no Hoare annotation was computed. [2020-08-21 13:07:11,512 INFO L264 CegarLoopResult]: At program point L693-1(lines 687 700) 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))) [2020-08-21 13:07:11,512 INFO L268 CegarLoopResult]: For program point L658(lines 657 704) no Hoare annotation was computed. [2020-08-21 13:07:11,513 INFO L268 CegarLoopResult]: For program point L687(lines 687 700) no Hoare annotation was computed. [2020-08-21 13:07:11,513 INFO L264 CegarLoopResult]: At program point L679(line 679) 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))) [2020-08-21 13:07:11,513 INFO L268 CegarLoopResult]: For program point L677(lines 677 683) no Hoare annotation was computed. [2020-08-21 13:07:11,513 INFO L268 CegarLoopResult]: For program point L677-1(lines 677 683) no Hoare annotation was computed. [2020-08-21 13:07:11,513 INFO L268 CegarLoopResult]: For program point testEXIT(lines 647 712) no Hoare annotation was computed. [2020-08-21 13:07:11,513 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 313 358) no Hoare annotation was computed. [2020-08-21 13:07:11,513 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 313 358) no Hoare annotation was computed. [2020-08-21 13:07:11,513 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 313 358) no Hoare annotation was computed. [2020-08-21 13:07:11,513 INFO L268 CegarLoopResult]: For program point L333(lines 333 340) no Hoare annotation was computed. [2020-08-21 13:07:11,513 INFO L268 CegarLoopResult]: For program point L327(lines 327 347) no Hoare annotation was computed. [2020-08-21 13:07:11,513 INFO L268 CegarLoopResult]: For program point L327-1(lines 327 347) no Hoare annotation was computed. [2020-08-21 13:07:11,514 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorENTRY(lines 811 818) no Hoare annotation was computed. [2020-08-21 13:07:11,514 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorFINAL(lines 811 818) no Hoare annotation was computed. [2020-08-21 13:07:11,514 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__lowWaterSensorEXIT(lines 811 818) no Hoare annotation was computed. [2020-08-21 13:07:11,514 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 533 541) no Hoare annotation was computed. [2020-08-21 13:07:11,514 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 533 541) the Hoare annotation is: true [2020-08-21 13:07:11,514 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 533 541) no Hoare annotation was computed. [2020-08-21 13:07:11,514 INFO L264 CegarLoopResult]: At program point L433(line 433) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 13:07:11,514 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 418 446) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 13:07:11,514 INFO L268 CegarLoopResult]: For program point L431(lines 431 437) no Hoare annotation was computed. [2020-08-21 13:07:11,514 INFO L268 CegarLoopResult]: For program point L430(lines 430 440) no Hoare annotation was computed. [2020-08-21 13:07:11,514 INFO L264 CegarLoopResult]: At program point L428(line 428) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-21 13:07:11,515 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-08-21 13:07:11,515 INFO L268 CegarLoopResult]: For program point L426(lines 426 443) no Hoare annotation was computed. [2020-08-21 13:07:11,515 INFO L268 CegarLoopResult]: For program point L426-1(lines 418 446) no Hoare annotation was computed. [2020-08-21 13:07:11,515 INFO L264 CegarLoopResult]: At program point L424(line 424) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 13:07:11,515 INFO L268 CegarLoopResult]: For program point L424-1(line 424) no Hoare annotation was computed. [2020-08-21 13:07:11,515 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 418 446) no Hoare annotation was computed. [2020-08-21 13:07:11,515 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 410 417) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 13:07:11,515 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 410 417) no Hoare annotation was computed. [2020-08-21 13:07:11,515 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 410 417) no Hoare annotation was computed. [2020-08-21 13:07:11,515 INFO L268 CegarLoopResult]: For program point L509(lines 509 517) no Hoare annotation was computed. [2020-08-21 13:07:11,515 INFO L268 CegarLoopResult]: For program point L509-2(lines 509 517) no Hoare annotation was computed. [2020-08-21 13:07:11,515 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 501 523) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 501 523) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 501 523) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point L256(lines 256 297) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 210 312) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point L275(line 275) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point L275-1(line 275) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point L234(lines 234 238) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point L298(lines 298 309) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 210 312) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point L261(lines 261 265) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point L259-2(lines 259 279) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point L280(lines 258 281) no Hoare annotation was computed. [2020-08-21 13:07:11,516 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 210 312) no Hoare annotation was computed. [2020-08-21 13:07:11,517 INFO L268 CegarLoopResult]: For program point L239(lines 239 255) no Hoare annotation was computed. [2020-08-21 13:07:11,517 INFO L268 CegarLoopResult]: For program point L299(lines 299 306) no Hoare annotation was computed. [2020-08-21 13:07:11,517 INFO L268 CegarLoopResult]: For program point L260(lines 259 279) no Hoare annotation was computed. [2020-08-21 13:07:11,517 INFO L268 CegarLoopResult]: For program point L291(line 291) no Hoare annotation was computed. [2020-08-21 13:07:11,517 INFO L268 CegarLoopResult]: For program point L291-1(line 291) no Hoare annotation was computed. [2020-08-21 13:07:11,517 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 715 724) no Hoare annotation was computed. [2020-08-21 13:07:11,517 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 715 724) no Hoare annotation was computed. [2020-08-21 13:07:11,517 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 715 724) no Hoare annotation was computed. [2020-08-21 13:07:11,518 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:07:11,518 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)|) (= |old(#length)| |#length|) (= |#t~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string44.offset| |old(#t~string44.offset)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string27.offset| |old(#t~string27.offset)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~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~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string27.base| |old(#t~string27.base)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string44.base| |old(#t~string44.base)|) (= |#t~string42.offset| |old(#t~string42.offset)|) (= |#t~string40.base| |old(#t~string40.base)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string38.offset| |old(#t~string38.offset)|) (= |#t~string18.offset| |old(#t~string18.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string38.base| |old(#t~string38.base)|) (= |#t~string18.base| |old(#t~string18.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-21 13:07:11,518 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:07:11,518 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-08-21 13:07:11,518 INFO L268 CegarLoopResult]: For program point L831-1(lines 820 836) no Hoare annotation was computed. [2020-08-21 13:07:11,519 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 820 836) no Hoare annotation was computed. [2020-08-21 13:07:11,519 INFO L268 CegarLoopResult]: For program point L827(lines 827 833) no Hoare annotation was computed. [2020-08-21 13:07:11,519 INFO L268 CegarLoopResult]: For program point L825(line 825) no Hoare annotation was computed. [2020-08-21 13:07:11,519 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 820 836) no Hoare annotation was computed. [2020-08-21 13:07:11,519 INFO L268 CegarLoopResult]: For program point L825-1(line 825) no Hoare annotation was computed. [2020-08-21 13:07:11,519 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 524 532) no Hoare annotation was computed. [2020-08-21 13:07:11,519 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 524 532) no Hoare annotation was computed. [2020-08-21 13:07:11,519 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 524 532) no Hoare annotation was computed. [2020-08-21 13:07:11,520 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:07:11,520 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 13:07:11,520 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:07:11,520 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 480 491) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 13:07:11,520 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 480 491) no Hoare annotation was computed. [2020-08-21 13:07:11,520 INFO L268 CegarLoopResult]: For program point L484-1(lines 480 491) no Hoare annotation was computed. [2020-08-21 13:07:11,520 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 492 500) the Hoare annotation is: true [2020-08-21 13:07:11,520 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 492 500) no Hoare annotation was computed. [2020-08-21 13:07:11,521 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 492 500) no Hoare annotation was computed. [2020-08-21 13:07:11,521 INFO L264 CegarLoopResult]: At program point L767(line 767) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:07:11,521 INFO L264 CegarLoopResult]: At program point L765(lines 765 771) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:07:11,521 INFO L264 CegarLoopResult]: At program point L760(line 760) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 13:07:11,521 INFO L268 CegarLoopResult]: For program point L758(lines 757 776) no Hoare annotation was computed. [2020-08-21 13:07:11,521 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 754 777) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:07:11,521 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 754 777) no Hoare annotation was computed. [2020-08-21 13:07:11,522 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 754 777) no Hoare annotation was computed. [2020-08-21 13:07:11,522 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 545 574) no Hoare annotation was computed. [2020-08-21 13:07:11,522 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 545 574) the Hoare annotation is: true [2020-08-21 13:07:11,522 INFO L271 CegarLoopResult]: At program point L570(lines 545 574) the Hoare annotation is: true [2020-08-21 13:07:11,522 INFO L268 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2020-08-21 13:07:11,522 INFO L268 CegarLoopResult]: For program point L559(lines 559 563) no Hoare annotation was computed. [2020-08-21 13:07:11,522 INFO L271 CegarLoopResult]: At program point L559-1(lines 559 563) the Hoare annotation is: true [2020-08-21 13:07:11,522 INFO L268 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2020-08-21 13:07:11,523 INFO L271 CegarLoopResult]: At program point L555-2(lines 555 569) the Hoare annotation is: true [2020-08-21 13:07:11,523 INFO L271 CegarLoopResult]: At program point L551(line 551) the Hoare annotation is: true [2020-08-21 13:07:11,523 INFO L268 CegarLoopResult]: For program point L551-1(line 551) no Hoare annotation was computed. [2020-08-21 13:07:11,523 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 456 467) the Hoare annotation is: true [2020-08-21 13:07:11,523 INFO L268 CegarLoopResult]: For program point L460-1(lines 456 467) no Hoare annotation was computed. [2020-08-21 13:07:11,523 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 456 467) no Hoare annotation was computed. [2020-08-21 13:07:11,523 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 600 606) no Hoare annotation was computed. [2020-08-21 13:07:11,523 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 600 606) the Hoare annotation is: true [2020-08-21 13:07:11,524 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:07:11,524 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-21 13:07:11,524 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:07:11,524 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:07:11,524 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 468 479) no Hoare annotation was computed. [2020-08-21 13:07:11,524 INFO L268 CegarLoopResult]: For program point L472-1(lines 468 479) no Hoare annotation was computed. [2020-08-21 13:07:11,524 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 468 479) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 13:07:11,524 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 936 943) no Hoare annotation was computed. [2020-08-21 13:07:11,525 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 940) no Hoare annotation was computed. [2020-08-21 13:07:11,525 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 936 943) the Hoare annotation is: true [2020-08-21 13:07:11,525 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 936 943) no Hoare annotation was computed. [2020-08-21 13:07:11,542 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:07:11 BoogieIcfgContainer [2020-08-21 13:07:11,542 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:07:11,544 INFO L168 Benchmark]: Toolchain (without parser) took 25901.83 ms. Allocated memory was 140.5 MB in the beginning and 637.5 MB in the end (delta: 497.0 MB). Free memory was 102.0 MB in the beginning and 420.3 MB in the end (delta: -318.3 MB). Peak memory consumption was 516.6 MB. Max. memory is 7.1 GB. [2020-08-21 13:07:11,545 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 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. [2020-08-21 13:07:11,546 INFO L168 Benchmark]: CACSL2BoogieTranslator took 583.20 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 101.8 MB in the beginning and 167.6 MB in the end (delta: -65.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. [2020-08-21 13:07:11,546 INFO L168 Benchmark]: Boogie Preprocessor took 91.97 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 163.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. [2020-08-21 13:07:11,547 INFO L168 Benchmark]: RCFGBuilder took 1117.82 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 189.7 MB in the end (delta: -26.4 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. [2020-08-21 13:07:11,548 INFO L168 Benchmark]: TraceAbstraction took 24101.30 ms. Allocated memory was 235.4 MB in the beginning and 637.5 MB in the end (delta: 402.1 MB). Free memory was 188.3 MB in the beginning and 420.3 MB in the end (delta: -232.0 MB). Peak memory consumption was 508.0 MB. Max. memory is 7.1 GB. [2020-08-21 13:07:11,552 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.5 MB. Free memory was 122.1 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 583.20 ms. Allocated memory was 140.5 MB in the beginning and 202.9 MB in the end (delta: 62.4 MB). Free memory was 101.8 MB in the beginning and 167.6 MB in the end (delta: -65.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 91.97 ms. Allocated memory is still 202.9 MB. Free memory was 167.6 MB in the beginning and 163.3 MB in the end (delta: 4.2 MB). Peak memory consumption was 4.2 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1117.82 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 163.3 MB in the beginning and 189.7 MB in the end (delta: -26.4 MB). Peak memory consumption was 77.8 MB. Max. memory is 7.1 GB. * TraceAbstraction took 24101.30 ms. Allocated memory was 235.4 MB in the beginning and 637.5 MB in the end (delta: 402.1 MB). Free memory was 188.3 MB in the beginning and 420.3 MB in the end (delta: -232.0 MB). Peak memory consumption was 508.0 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 940]: 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: 657]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 656]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 555]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 545]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 232 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 14.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 11.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.1s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 490 SDtfs, 858 SDslu, 574 SDs, 0 SdLazy, 2445 SolverSat, 599 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=402occurred 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, 242 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 54 LocationsWithAnnotation, 491 PreInvPairs, 582 NumberOfFragments, 775 HoareAnnotationTreeSize, 491 FomulaSimplifications, 192822 FormulaSimplificationTreeSizeReduction, 2.9s HoareSimplificationTime, 54 FomulaSimplificationsInter, 17290 FormulaSimplificationTreeSizeReductionInter, 6.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 287 NumberOfCodeBlocks, 287 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 282 ConstructedInterpolants, 0 QuantifiedInterpolants, 83506 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...