/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 true --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 13:54:52,123 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 13:54:52,126 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 13:54:52,168 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 13:54:52,168 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 13:54:52,179 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 13:54:52,182 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 13:54:52,184 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 13:54:52,188 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 13:54:52,189 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 13:54:52,192 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 13:54:52,194 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 13:54:52,195 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 13:54:52,198 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 13:54:52,199 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 13:54:52,201 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 13:54:52,203 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 13:54:52,204 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 13:54:52,205 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 13:54:52,213 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 13:54:52,216 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 13:54:52,216 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 13:54:52,218 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 13:54:52,219 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 13:54:52,222 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 13:54:52,223 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 13:54:52,223 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 13:54:52,226 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 13:54:52,226 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 13:54:52,228 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 13:54:52,228 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 13:54:52,229 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 13:54:52,230 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 13:54:52,231 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 13:54:52,232 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 13:54:52,232 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 13:54:52,233 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 13:54:52,233 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 13:54:52,233 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 13:54:52,234 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 13:54:52,235 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 13:54:52,236 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 13:54:52,282 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 13:54:52,283 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 13:54:52,284 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 13:54:52,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 13:54:52,285 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 13:54:52,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 13:54:52,285 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 13:54:52,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 13:54:52,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 13:54:52,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 13:54:52,287 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 13:54:52,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 13:54:52,288 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 13:54:52,288 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 13:54:52,288 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 13:54:52,288 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 13:54:52,289 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 13:54:52,289 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 13:54:52,289 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 13:54:52,289 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 13:54:52,289 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 13:54:52,290 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 13:54:52,290 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 13:54:52,290 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 13:54:52,290 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 13:54:52,290 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 13:54:52,291 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 13:54:52,291 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 13:54:52,291 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 13:54:52,291 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 -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> log-additional-information=true; [2020-08-21 13:54:52,573 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 13:54:52,585 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 13:54:52,589 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 13:54:52,590 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 13:54:52,591 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 13:54:52,591 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2020-08-21 13:54:52,669 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0ab64671/ad9b321fe2674f9197104752748a1693/FLAG50f995c0e [2020-08-21 13:54:53,257 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 13:54:53,258 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product23.cil.c [2020-08-21 13:54:53,270 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0ab64671/ad9b321fe2674f9197104752748a1693/FLAG50f995c0e [2020-08-21 13:54:53,566 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0ab64671/ad9b321fe2674f9197104752748a1693 [2020-08-21 13:54:53,574 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 13:54:53,576 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 13:54:53,577 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 13:54:53,577 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 13:54:53,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 13:54:53,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:54:53" (1/1) ... [2020-08-21 13:54:53,584 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6267ef0e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:53, skipping insertion in model container [2020-08-21 13:54:53,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 01:54:53" (1/1) ... [2020-08-21 13:54:53,592 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 13:54:53,658 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 13:54:54,042 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:54:54,055 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 13:54:54,196 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 13:54:54,232 INFO L208 MainTranslator]: Completed translation [2020-08-21 13:54:54,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:54 WrapperNode [2020-08-21 13:54:54,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 13:54:54,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 13:54:54,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 13:54:54,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 13:54:54,249 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:54" (1/1) ... [2020-08-21 13:54:54,249 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:54" (1/1) ... [2020-08-21 13:54:54,268 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:54" (1/1) ... [2020-08-21 13:54:54,268 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:54" (1/1) ... [2020-08-21 13:54:54,297 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:54" (1/1) ... [2020-08-21 13:54:54,307 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:54" (1/1) ... [2020-08-21 13:54:54,313 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:54" (1/1) ... [2020-08-21 13:54:54,321 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 13:54:54,321 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 13:54:54,321 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 13:54:54,321 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 13:54:54,322 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:54" (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 13:54:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 13:54:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 13:54:54,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-21 13:54:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-21 13:54:54,396 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-21 13:54:54,403 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-21 13:54:54,403 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-21 13:54:54,403 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-21 13:54:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-21 13:54:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-21 13:54:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-21 13:54:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-21 13:54:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-21 13:54:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-21 13:54:54,404 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-21 13:54:54,405 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-21 13:54:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-21 13:54:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-21 13:54:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-21 13:54:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-21 13:54:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-21 13:54:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-21 13:54:54,406 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-21 13:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-21 13:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-21 13:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-21 13:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-21 13:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-21 13:54:54,407 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-21 13:54:54,408 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-21 13:54:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-21 13:54:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-21 13:54:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-21 13:54:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-21 13:54:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-21 13:54:54,409 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-21 13:54:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-21 13:54:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-21 13:54:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-21 13:54:54,410 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 13:54:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 13:54:54,410 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 13:54:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-21 13:54:54,411 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-21 13:54:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-21 13:54:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-21 13:54:54,412 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-21 13:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-21 13:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-21 13:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-21 13:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-21 13:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-21 13:54:54,413 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-21 13:54:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-21 13:54:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-21 13:54:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-21 13:54:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-21 13:54:54,414 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-21 13:54:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-21 13:54:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-21 13:54:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-21 13:54:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-21 13:54:54,415 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-21 13:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-21 13:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-21 13:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-21 13:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-21 13:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-21 13:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-21 13:54:54,416 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-21 13:54:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-21 13:54:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-21 13:54:54,417 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-21 13:54:54,418 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-21 13:54:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-21 13:54:54,419 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-21 13:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-21 13:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-21 13:54:54,420 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-21 13:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-21 13:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-21 13:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__lowWaterSensor [2020-08-21 13:54:54,421 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-21 13:54:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-21 13:54:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-21 13:54:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-21 13:54:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-21 13:54:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-21 13:54:54,422 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-21 13:54:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-21 13:54:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 13:54:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 13:54:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-21 13:54:54,423 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 13:54:55,459 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 13:54:55,459 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-21 13:54:55,469 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:54:55 BoogieIcfgContainer [2020-08-21 13:54:55,469 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 13:54:55,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 13:54:55,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 13:54:55,474 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 13:54:55,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 01:54:53" (1/3) ... [2020-08-21 13:54:55,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa5c9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:54:55, skipping insertion in model container [2020-08-21 13:54:55,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 01:54:54" (2/3) ... [2020-08-21 13:54:55,476 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fa5c9df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 01:54:55, skipping insertion in model container [2020-08-21 13:54:55,477 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 01:54:55" (3/3) ... [2020-08-21 13:54:55,478 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product23.cil.c [2020-08-21 13:54:55,489 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 13:54:55,499 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 13:54:55,510 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 13:54:55,532 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 13:54:55,532 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 13:54:55,532 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 13:54:55,532 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 13:54:55,533 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 13:54:55,533 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 13:54:55,533 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 13:54:55,533 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 13:54:55,555 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states. [2020-08-21 13:54:55,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-21 13:54:55,566 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:54:55,568 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 13:54:55,568 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:54:55,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:54:55,574 INFO L82 PathProgramCache]: Analyzing trace with hash 2113411810, now seen corresponding path program 1 times [2020-08-21 13:54:55,580 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:54:55,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383867031] [2020-08-21 13:54:55,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:54:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:56,302 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:54:56,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:54:56,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:56,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:54:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:54:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:56,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:54:56,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:56,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:54:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:56,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:54:56,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:56,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 13:54:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:56,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-21 13:54:56,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:56,398 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 13:54:56,399 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383867031] [2020-08-21 13:54:56,401 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:54:56,402 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-21 13:54:56,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813865327] [2020-08-21 13:54:56,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-21 13:54:56,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:54:56,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-21 13:54:56,424 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-21 13:54:56,426 INFO L87 Difference]: Start difference. First operand 173 states. Second operand 4 states. [2020-08-21 13:54:57,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:54:57,709 INFO L93 Difference]: Finished difference Result 293 states and 388 transitions. [2020-08-21 13:54:57,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-21 13:54:57,712 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-21 13:54:57,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:54:57,727 INFO L225 Difference]: With dead ends: 293 [2020-08-21 13:54:57,728 INFO L226 Difference]: Without dead ends: 164 [2020-08-21 13:54:57,734 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 13:54:57,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-08-21 13:54:57,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 130. [2020-08-21 13:54:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 130 states. [2020-08-21 13:54:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 130 states to 130 states and 155 transitions. [2020-08-21 13:54:57,829 INFO L78 Accepts]: Start accepts. Automaton has 130 states and 155 transitions. Word has length 51 [2020-08-21 13:54:57,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:54:57,830 INFO L479 AbstractCegarLoop]: Abstraction has 130 states and 155 transitions. [2020-08-21 13:54:57,830 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-21 13:54:57,831 INFO L276 IsEmpty]: Start isEmpty. Operand 130 states and 155 transitions. [2020-08-21 13:54:57,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-21 13:54:57,835 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:54:57,835 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 13:54:57,836 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 13:54:57,839 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:54:57,839 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:54:57,839 INFO L82 PathProgramCache]: Analyzing trace with hash 689903490, now seen corresponding path program 1 times [2020-08-21 13:54:57,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:54:57,840 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [414582464] [2020-08-21 13:54:57,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:54:57,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:58,246 WARN L193 SmtUtils]: Spent 267.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:54:58,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:54:58,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:58,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:54:58,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:58,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:54:58,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:58,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:54:58,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:58,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:54:58,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:58,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:54:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:58,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 13:54:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:58,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-21 13:54:58,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:58,303 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 13:54:58,303 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [414582464] [2020-08-21 13:54:58,303 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:54:58,304 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 13:54:58,304 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [466071096] [2020-08-21 13:54:58,306 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 13:54:58,306 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:54:58,306 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 13:54:58,306 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-21 13:54:58,307 INFO L87 Difference]: Start difference. First operand 130 states and 155 transitions. Second operand 5 states. [2020-08-21 13:54:58,751 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:54:59,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:54:59,635 INFO L93 Difference]: Finished difference Result 232 states and 291 transitions. [2020-08-21 13:54:59,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 13:54:59,635 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-21 13:54:59,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:54:59,639 INFO L225 Difference]: With dead ends: 232 [2020-08-21 13:54:59,640 INFO L226 Difference]: Without dead ends: 154 [2020-08-21 13:54:59,641 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 13:54:59,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2020-08-21 13:54:59,683 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 121. [2020-08-21 13:54:59,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-08-21 13:54:59,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 143 transitions. [2020-08-21 13:54:59,685 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 143 transitions. Word has length 52 [2020-08-21 13:54:59,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:54:59,686 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 143 transitions. [2020-08-21 13:54:59,686 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 13:54:59,686 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 143 transitions. [2020-08-21 13:54:59,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-21 13:54:59,689 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:54:59,689 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 13:54:59,689 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 13:54:59,689 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:54:59,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:54:59,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1868242676, now seen corresponding path program 1 times [2020-08-21 13:54:59,690 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:54:59,690 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1898445126] [2020-08-21 13:54:59,690 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:54:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:54:59,993 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:54:59,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:55:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:00,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:55:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:55:00,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:55:00,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:00,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:55:00,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:00,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:55:00,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:00,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 13:55:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:00,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 13:55:00,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:00,118 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 13:55:00,118 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1898445126] [2020-08-21 13:55:00,118 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:55:00,119 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:55:00,122 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1219981403] [2020-08-21 13:55:00,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:55:00,124 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:55:00,124 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:55:00,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:55:00,126 INFO L87 Difference]: Start difference. First operand 121 states and 143 transitions. Second operand 9 states. [2020-08-21 13:55:00,515 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:55:00,841 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:55:01,101 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:55:01,425 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:55:02,244 WARN L193 SmtUtils]: Spent 216.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-21 13:55:04,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:55:04,179 INFO L93 Difference]: Finished difference Result 411 states and 525 transitions. [2020-08-21 13:55:04,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-21 13:55:04,180 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-21 13:55:04,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:55:04,185 INFO L225 Difference]: With dead ends: 411 [2020-08-21 13:55:04,186 INFO L226 Difference]: Without dead ends: 318 [2020-08-21 13:55:04,193 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 13:55:04,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 318 states. [2020-08-21 13:55:04,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 318 to 257. [2020-08-21 13:55:04,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 257 states. [2020-08-21 13:55:04,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 316 transitions. [2020-08-21 13:55:04,301 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 316 transitions. Word has length 56 [2020-08-21 13:55:04,302 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:55:04,302 INFO L479 AbstractCegarLoop]: Abstraction has 257 states and 316 transitions. [2020-08-21 13:55:04,302 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:55:04,302 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 316 transitions. [2020-08-21 13:55:04,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-21 13:55:04,306 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:55:04,306 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 13:55:04,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 13:55:04,306 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:55:04,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:55:04,307 INFO L82 PathProgramCache]: Analyzing trace with hash -35458838, now seen corresponding path program 1 times [2020-08-21 13:55:04,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:55:04,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516228937] [2020-08-21 13:55:04,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:55:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:04,610 WARN L193 SmtUtils]: Spent 194.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:55:04,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:55:04,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:04,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:55:04,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:04,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:55:04,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:04,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:55:04,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:04,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:55:04,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:04,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:55:04,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:04,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 13:55:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:04,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-21 13:55:04,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:04,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 53 [2020-08-21 13:55:04,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:04,703 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 13:55:04,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516228937] [2020-08-21 13:55:04,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:55:04,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-21 13:55:04,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [614557594] [2020-08-21 13:55:04,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-21 13:55:04,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:55:04,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-21 13:55:04,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-21 13:55:04,706 INFO L87 Difference]: Start difference. First operand 257 states and 316 transitions. Second operand 9 states. [2020-08-21 13:55:05,096 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:55:06,184 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:55:06,598 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:55:06,895 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:55:07,242 WARN L193 SmtUtils]: Spent 242.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:55:08,547 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:55:08,547 INFO L93 Difference]: Finished difference Result 821 states and 1099 transitions. [2020-08-21 13:55:08,549 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-21 13:55:08,549 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 62 [2020-08-21 13:55:08,550 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:55:08,556 INFO L225 Difference]: With dead ends: 821 [2020-08-21 13:55:08,556 INFO L226 Difference]: Without dead ends: 592 [2020-08-21 13:55:08,563 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=105, Invalid=275, Unknown=0, NotChecked=0, Total=380 [2020-08-21 13:55:08,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 592 states. [2020-08-21 13:55:08,714 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 592 to 462. [2020-08-21 13:55:08,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 462 states. [2020-08-21 13:55:08,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 462 states to 462 states and 572 transitions. [2020-08-21 13:55:08,718 INFO L78 Accepts]: Start accepts. Automaton has 462 states and 572 transitions. Word has length 62 [2020-08-21 13:55:08,719 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:55:08,719 INFO L479 AbstractCegarLoop]: Abstraction has 462 states and 572 transitions. [2020-08-21 13:55:08,719 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-21 13:55:08,719 INFO L276 IsEmpty]: Start isEmpty. Operand 462 states and 572 transitions. [2020-08-21 13:55:08,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2020-08-21 13:55:08,722 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 13:55:08,723 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 13:55:08,723 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 13:55:08,723 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 13:55:08,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 13:55:08,723 INFO L82 PathProgramCache]: Analyzing trace with hash 2033867398, now seen corresponding path program 1 times [2020-08-21 13:55:08,724 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 13:55:08,724 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066726716] [2020-08-21 13:55:08,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 13:55:08,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,009 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:55:09,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 13:55:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-21 13:55:09,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 13:55:09,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-21 13:55:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-21 13:55:09,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 13:55:09,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-21 13:55:09,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-21 13:55:09,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 13:55:09,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2020-08-21 13:55:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 13:55:09,123 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 13:55:09,123 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066726716] [2020-08-21 13:55:09,123 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 13:55:09,124 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2020-08-21 13:55:09,124 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057872167] [2020-08-21 13:55:09,124 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 13:55:09,125 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 13:55:09,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 13:55:09,125 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2020-08-21 13:55:09,125 INFO L87 Difference]: Start difference. First operand 462 states and 572 transitions. Second operand 10 states. [2020-08-21 13:55:09,511 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-21 13:55:10,502 WARN L193 SmtUtils]: Spent 222.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:55:10,758 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:55:10,990 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-21 13:55:11,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 13:55:11,325 INFO L93 Difference]: Finished difference Result 827 states and 1100 transitions. [2020-08-21 13:55:11,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 13:55:11,327 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 66 [2020-08-21 13:55:11,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 13:55:11,328 INFO L225 Difference]: With dead ends: 827 [2020-08-21 13:55:11,328 INFO L226 Difference]: Without dead ends: 0 [2020-08-21 13:55:11,331 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 24 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=137, Invalid=325, Unknown=0, NotChecked=0, Total=462 [2020-08-21 13:55:11,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-21 13:55:11,331 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-21 13:55:11,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-21 13:55:11,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-21 13:55:11,332 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 66 [2020-08-21 13:55:11,332 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 13:55:11,332 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-21 13:55:11,332 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 13:55:11,332 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-21 13:55:11,333 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-21 13:55:11,333 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 13:55:11,335 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-21 13:55:14,822 WARN L193 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 13:55:14,983 WARN L193 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:55:15,288 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 13:55:15,451 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-21 13:55:15,614 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:55:15,943 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 13:55:16,119 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:55:16,481 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-21 13:55:16,694 WARN L193 SmtUtils]: Spent 196.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-21 13:55:17,053 WARN L193 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 9 [2020-08-21 13:55:17,390 WARN L193 SmtUtils]: Spent 331.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 13:55:17,871 WARN L193 SmtUtils]: Spent 458.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 17 [2020-08-21 13:55:18,015 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-21 13:55:18,320 WARN L193 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-21 13:55:18,615 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 13:55:18,962 WARN L193 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 13:55:19,132 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 13:55:19,344 WARN L193 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-21 13:55:19,554 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:55:19,734 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-21 13:55:19,923 WARN L193 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:55:20,094 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-21 13:55:20,304 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-21 13:55:20,636 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 14 [2020-08-21 13:55:21,004 WARN L193 SmtUtils]: Spent 340.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 11 [2020-08-21 13:55:21,326 WARN L193 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-21 13:55:21,331 INFO L268 CegarLoopResult]: For program point L255(line 255) no Hoare annotation was computed. [2020-08-21 13:55:21,331 INFO L268 CegarLoopResult]: For program point L254-2(lines 254 275) no Hoare annotation was computed. [2020-08-21 13:55:21,331 INFO L268 CegarLoopResult]: For program point L276(lines 253 277) no Hoare annotation was computed. [2020-08-21 13:55:21,331 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 229 284) no Hoare annotation was computed. [2020-08-21 13:55:21,331 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 229 284) no Hoare annotation was computed. [2020-08-21 13:55:21,331 INFO L268 CegarLoopResult]: For program point L260(lines 260 264) no Hoare annotation was computed. [2020-08-21 13:55:21,332 INFO L268 CegarLoopResult]: For program point L260-1(lines 260 264) no Hoare annotation was computed. [2020-08-21 13:55:21,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 229 284) no Hoare annotation was computed. [2020-08-21 13:55:21,332 INFO L268 CegarLoopResult]: For program point L317(lines 317 321) no Hoare annotation was computed. [2020-08-21 13:55:21,332 INFO L268 CegarLoopResult]: For program point L317-1(lines 317 321) no Hoare annotation was computed. [2020-08-21 13:55:21,332 INFO L268 CegarLoopResult]: For program point L312(line 312) no Hoare annotation was computed. [2020-08-21 13:55:21,332 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 285 344) no Hoare annotation was computed. [2020-08-21 13:55:21,333 INFO L268 CegarLoopResult]: For program point L311-2(lines 311 336) no Hoare annotation was computed. [2020-08-21 13:55:21,333 INFO L268 CegarLoopResult]: For program point L337(lines 310 338) no Hoare annotation was computed. [2020-08-21 13:55:21,333 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 285 344) no Hoare annotation was computed. [2020-08-21 13:55:21,333 INFO L268 CegarLoopResult]: For program point L330(line 330) no Hoare annotation was computed. [2020-08-21 13:55:21,333 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 285 344) no Hoare annotation was computed. [2020-08-21 13:55:21,334 INFO L268 CegarLoopResult]: For program point L330-1(line 330) no Hoare annotation was computed. [2020-08-21 13:55:21,334 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 839 845) the Hoare annotation is: true [2020-08-21 13:55:21,334 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 839 845) no Hoare annotation was computed. [2020-08-21 13:55:21,334 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 846 854) no Hoare annotation was computed. [2020-08-21 13:55:21,334 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 846 854) the Hoare annotation is: true [2020-08-21 13:55:21,334 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 846 854) no Hoare annotation was computed. [2020-08-21 13:55:21,335 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 929 951) 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 13:55:21,335 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 929 951) no Hoare annotation was computed. [2020-08-21 13:55:21,335 INFO L264 CegarLoopResult]: At program point L941(line 941) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~8 ~systemActive~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 13:55:21,335 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 929 951) no Hoare annotation was computed. [2020-08-21 13:55:21,335 INFO L264 CegarLoopResult]: At program point L941-1(line 941) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= main_~tmp~8 ~systemActive~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 13:55:21,336 INFO L268 CegarLoopResult]: For program point L939(lines 939 946) no Hoare annotation was computed. [2020-08-21 13:55:21,336 INFO L268 CegarLoopResult]: For program point L939-1(lines 939 946) no Hoare annotation was computed. [2020-08-21 13:55:21,336 INFO L268 CegarLoopResult]: For program point L937(line 937) no Hoare annotation was computed. [2020-08-21 13:55:21,336 INFO L264 CegarLoopResult]: At program point L936(line 936) 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 13:55:21,336 INFO L264 CegarLoopResult]: At program point L935(line 935) 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 13:55:21,336 INFO L264 CegarLoopResult]: At program point L935-1(line 935) 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 13:55:21,337 INFO L268 CegarLoopResult]: For program point L897(line 897) no Hoare annotation was computed. [2020-08-21 13:55:21,337 INFO L268 CegarLoopResult]: For program point L896(line 896) no Hoare annotation was computed. [2020-08-21 13:55:21,337 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 887 910) no Hoare annotation was computed. [2020-08-21 13:55:21,337 INFO L268 CegarLoopResult]: For program point L895(line 895) no Hoare annotation was computed. [2020-08-21 13:55:21,337 INFO L268 CegarLoopResult]: For program point L894(line 894) no Hoare annotation was computed. [2020-08-21 13:55:21,337 INFO L268 CegarLoopResult]: For program point L893(line 893) no Hoare annotation was computed. [2020-08-21 13:55:21,337 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 887 910) no Hoare annotation was computed. [2020-08-21 13:55:21,337 INFO L268 CegarLoopResult]: For program point L892(line 892) no Hoare annotation was computed. [2020-08-21 13:55:21,337 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 887 910) no Hoare annotation was computed. [2020-08-21 13:55:21,338 INFO L268 CegarLoopResult]: For program point L905(line 905) no Hoare annotation was computed. [2020-08-21 13:55:21,338 INFO L268 CegarLoopResult]: For program point L904(line 904) no Hoare annotation was computed. [2020-08-21 13:55:21,338 INFO L268 CegarLoopResult]: For program point L903(line 903) no Hoare annotation was computed. [2020-08-21 13:55:21,338 INFO L268 CegarLoopResult]: For program point L902(line 902) no Hoare annotation was computed. [2020-08-21 13:55:21,338 INFO L268 CegarLoopResult]: For program point L901(line 901) no Hoare annotation was computed. [2020-08-21 13:55:21,338 INFO L268 CegarLoopResult]: For program point L900(line 900) no Hoare annotation was computed. [2020-08-21 13:55:21,338 INFO L268 CegarLoopResult]: For program point L899(line 899) no Hoare annotation was computed. [2020-08-21 13:55:21,338 INFO L268 CegarLoopResult]: For program point L898(line 898) no Hoare annotation was computed. [2020-08-21 13:55:21,338 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 802 816) no Hoare annotation was computed. [2020-08-21 13:55:21,339 INFO L264 CegarLoopResult]: At program point L808(line 808) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 13:55:21,339 INFO L268 CegarLoopResult]: For program point L806(lines 806 812) no Hoare annotation was computed. [2020-08-21 13:55:21,339 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 802 816) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-21 13:55:21,339 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 802 816) no Hoare annotation was computed. [2020-08-21 13:55:21,339 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 738 746) no Hoare annotation was computed. [2020-08-21 13:55:21,339 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 738 746) the Hoare annotation is: true [2020-08-21 13:55:21,339 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 738 746) no Hoare annotation was computed. [2020-08-21 13:55:21,339 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 783 801) the Hoare annotation is: true [2020-08-21 13:55:21,340 INFO L268 CegarLoopResult]: For program point L792(lines 792 796) no Hoare annotation was computed. [2020-08-21 13:55:21,340 INFO L271 CegarLoopResult]: At program point L790(line 790) the Hoare annotation is: true [2020-08-21 13:55:21,340 INFO L268 CegarLoopResult]: For program point L792-2(lines 792 796) no Hoare annotation was computed. [2020-08-21 13:55:21,340 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 783 801) no Hoare annotation was computed. [2020-08-21 13:55:21,340 INFO L268 CegarLoopResult]: For program point L790-1(line 790) no Hoare annotation was computed. [2020-08-21 13:55:21,340 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 783 801) no Hoare annotation was computed. [2020-08-21 13:55:21,340 INFO L268 CegarLoopResult]: For program point L766(lines 766 774) no Hoare annotation was computed. [2020-08-21 13:55:21,340 INFO L268 CegarLoopResult]: For program point L766-2(lines 766 774) no Hoare annotation was computed. [2020-08-21 13:55:21,341 INFO L268 CegarLoopResult]: For program point L754(lines 754 762) no Hoare annotation was computed. [2020-08-21 13:55:21,341 INFO L268 CegarLoopResult]: For program point L754-2(lines 754 762) no Hoare annotation was computed. [2020-08-21 13:55:21,341 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 747 782) no Hoare annotation was computed. [2020-08-21 13:55:21,341 INFO L268 CegarLoopResult]: For program point L777(line 777) no Hoare annotation was computed. [2020-08-21 13:55:21,341 INFO L268 CegarLoopResult]: For program point L777-1(line 777) no Hoare annotation was computed. [2020-08-21 13:55:21,341 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 747 782) no Hoare annotation was computed. [2020-08-21 13:55:21,341 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 747 782) no Hoare annotation was computed. [2020-08-21 13:55:21,342 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 832 838) no Hoare annotation was computed. [2020-08-21 13:55:21,342 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 832 838) the Hoare annotation is: true [2020-08-21 13:55:21,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 183 228) no Hoare annotation was computed. [2020-08-21 13:55:21,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 183 228) no Hoare annotation was computed. [2020-08-21 13:55:21,342 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 183 228) no Hoare annotation was computed. [2020-08-21 13:55:21,342 INFO L268 CegarLoopResult]: For program point L510(lines 510 530) no Hoare annotation was computed. [2020-08-21 13:55:21,342 INFO L268 CegarLoopResult]: For program point L510-1(lines 510 530) no Hoare annotation was computed. [2020-08-21 13:55:21,342 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 496 541) no Hoare annotation was computed. [2020-08-21 13:55:21,343 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 496 541) no Hoare annotation was computed. [2020-08-21 13:55:21,343 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 496 541) no Hoare annotation was computed. [2020-08-21 13:55:21,343 INFO L268 CegarLoopResult]: For program point L516(lines 516 523) no Hoare annotation was computed. [2020-08-21 13:55:21,343 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 918 928) 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 13:55:21,343 INFO L264 CegarLoopResult]: At program point L923(line 923) 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 13:55:21,343 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 918 928) no Hoare annotation was computed. [2020-08-21 13:55:21,343 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 918 928) no Hoare annotation was computed. [2020-08-21 13:55:21,343 INFO L271 CegarLoopResult]: At program point isMethaneAlarmENTRY(lines 727 737) the Hoare annotation is: true [2020-08-21 13:55:21,344 INFO L271 CegarLoopResult]: At program point L732(line 732) the Hoare annotation is: true [2020-08-21 13:55:21,344 INFO L268 CegarLoopResult]: For program point L732-1(line 732) no Hoare annotation was computed. [2020-08-21 13:55:21,344 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 727 737) no Hoare annotation was computed. [2020-08-21 13:55:21,344 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 727 737) no Hoare annotation was computed. [2020-08-21 13:55:21,344 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 719 726) the Hoare annotation is: true [2020-08-21 13:55:21,344 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 719 726) no Hoare annotation was computed. [2020-08-21 13:55:21,344 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 719 726) no Hoare annotation was computed. [2020-08-21 13:55:21,344 INFO L264 CegarLoopResult]: At program point L705(line 705) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:55:21,344 INFO L268 CegarLoopResult]: For program point L705-1(lines 686 710) no Hoare annotation was computed. [2020-08-21 13:55:21,345 INFO L264 CegarLoopResult]: At program point L700(line 700) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:55:21,345 INFO L264 CegarLoopResult]: At program point L696(line 696) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:55:21,345 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 686 710) no Hoare annotation was computed. [2020-08-21 13:55:21,345 INFO L268 CegarLoopResult]: For program point L694(lines 694 702) no Hoare annotation was computed. [2020-08-21 13:55:21,345 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:55:21,345 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 686 710) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:55:21,345 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-08-21 13:55:21,345 INFO L268 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2020-08-21 13:55:21,345 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 652 658) no Hoare annotation was computed. [2020-08-21 13:55:21,345 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 652 658) the Hoare annotation is: true [2020-08-21 13:55:21,345 INFO L264 CegarLoopResult]: At program point testENTRY(lines 555 620) 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 13:55:21,346 INFO L264 CegarLoopResult]: At program point L603(line 603) 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 13:55:21,346 INFO L268 CegarLoopResult]: For program point L601(lines 601 607) no Hoare annotation was computed. [2020-08-21 13:55:21,346 INFO L264 CegarLoopResult]: At program point L601-1(lines 595 608) 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 13:55:21,346 INFO L268 CegarLoopResult]: For program point testFINAL(lines 555 620) no Hoare annotation was computed. [2020-08-21 13:55:21,346 INFO L268 CegarLoopResult]: For program point L566(lines 565 612) no Hoare annotation was computed. [2020-08-21 13:55:21,346 INFO L268 CegarLoopResult]: For program point L595(lines 595 608) no Hoare annotation was computed. [2020-08-21 13:55:21,346 INFO L264 CegarLoopResult]: At program point L587(line 587) 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 13:55:21,346 INFO L268 CegarLoopResult]: For program point L585(lines 585 591) no Hoare annotation was computed. [2020-08-21 13:55:21,347 INFO L268 CegarLoopResult]: For program point L585-1(lines 585 591) no Hoare annotation was computed. [2020-08-21 13:55:21,347 INFO L264 CegarLoopResult]: At program point L610(lines 565 612) 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 13:55:21,347 INFO L264 CegarLoopResult]: At program point L577(line 577) 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 13:55:21,347 INFO L268 CegarLoopResult]: For program point L575(lines 575 581) no Hoare annotation was computed. [2020-08-21 13:55:21,347 INFO L268 CegarLoopResult]: For program point L575-1(lines 575 581) no Hoare annotation was computed. [2020-08-21 13:55:21,347 INFO L268 CegarLoopResult]: For program point L567(lines 567 571) no Hoare annotation was computed. [2020-08-21 13:55:21,347 INFO L264 CegarLoopResult]: At program point L613(lines 564 614) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-21 13:55:21,347 INFO L268 CegarLoopResult]: For program point testEXIT(lines 555 620) no Hoare annotation was computed. [2020-08-21 13:55:21,347 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 450 495) no Hoare annotation was computed. [2020-08-21 13:55:21,347 INFO L268 CegarLoopResult]: For program point L470(lines 470 477) no Hoare annotation was computed. [2020-08-21 13:55:21,347 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 450 495) no Hoare annotation was computed. [2020-08-21 13:55:21,347 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 450 495) no Hoare annotation was computed. [2020-08-21 13:55:21,348 INFO L268 CegarLoopResult]: For program point L464(lines 464 484) no Hoare annotation was computed. [2020-08-21 13:55:21,348 INFO L268 CegarLoopResult]: For program point L464-1(lines 464 484) no Hoare annotation was computed. [2020-08-21 13:55:21,348 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 126 134) no Hoare annotation was computed. [2020-08-21 13:55:21,348 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 126 134) the Hoare annotation is: true [2020-08-21 13:55:21,348 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 126 134) no Hoare annotation was computed. [2020-08-21 13:55:21,348 INFO L268 CegarLoopResult]: For program point L160(lines 160 166) no Hoare annotation was computed. [2020-08-21 13:55:21,348 INFO L268 CegarLoopResult]: For program point L159(lines 159 169) no Hoare annotation was computed. [2020-08-21 13:55:21,348 INFO L264 CegarLoopResult]: At program point L157(line 157) 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 13:55:21,348 INFO L268 CegarLoopResult]: For program point L157-1(line 157) no Hoare annotation was computed. [2020-08-21 13:55:21,348 INFO L268 CegarLoopResult]: For program point L155(lines 155 172) no Hoare annotation was computed. [2020-08-21 13:55:21,348 INFO L268 CegarLoopResult]: For program point L155-1(lines 147 175) no Hoare annotation was computed. [2020-08-21 13:55:21,349 INFO L264 CegarLoopResult]: At program point L153(line 153) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 13:55:21,349 INFO L268 CegarLoopResult]: For program point L153-1(line 153) no Hoare annotation was computed. [2020-08-21 13:55:21,349 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 147 175) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-21 13:55:21,349 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 147 175) no Hoare annotation was computed. [2020-08-21 13:55:21,349 INFO L264 CegarLoopResult]: At program point L162(line 162) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-21 13:55:21,349 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 94 116) no Hoare annotation was computed. [2020-08-21 13:55:21,349 INFO L268 CegarLoopResult]: For program point L102(lines 102 110) no Hoare annotation was computed. [2020-08-21 13:55:21,349 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 94 116) no Hoare annotation was computed. [2020-08-21 13:55:21,349 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 94 116) no Hoare annotation was computed. [2020-08-21 13:55:21,349 INFO L268 CegarLoopResult]: For program point L102-2(lines 102 110) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 139 146) 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 13:55:21,350 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 139 146) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 139 146) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L268 CegarLoopResult]: For program point L417(lines 395 418) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 347 449) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L268 CegarLoopResult]: For program point L376(lines 376 392) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L268 CegarLoopResult]: For program point L436(lines 436 443) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L268 CegarLoopResult]: For program point L397(lines 396 416) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L268 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L268 CegarLoopResult]: For program point L428-1(line 428) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L268 CegarLoopResult]: For program point L393(lines 393 434) no Hoare annotation was computed. [2020-08-21 13:55:21,350 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 347 449) no Hoare annotation was computed. [2020-08-21 13:55:21,351 INFO L268 CegarLoopResult]: For program point L412(line 412) no Hoare annotation was computed. [2020-08-21 13:55:21,351 INFO L268 CegarLoopResult]: For program point L412-1(line 412) no Hoare annotation was computed. [2020-08-21 13:55:21,351 INFO L268 CegarLoopResult]: For program point L371(lines 371 375) no Hoare annotation was computed. [2020-08-21 13:55:21,351 INFO L268 CegarLoopResult]: For program point L435(lines 435 446) no Hoare annotation was computed. [2020-08-21 13:55:21,351 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 347 449) no Hoare annotation was computed. [2020-08-21 13:55:21,351 INFO L268 CegarLoopResult]: For program point L398(lines 398 402) no Hoare annotation was computed. [2020-08-21 13:55:21,351 INFO L268 CegarLoopResult]: For program point L396-2(lines 396 416) no Hoare annotation was computed. [2020-08-21 13:55:21,352 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 822 831) no Hoare annotation was computed. [2020-08-21 13:55:21,352 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 822 831) no Hoare annotation was computed. [2020-08-21 13:55:21,352 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 822 831) no Hoare annotation was computed. [2020-08-21 13:55:21,352 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:55:21,352 INFO L264 CegarLoopResult]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |#t~string67.offset| |old(#t~string67.offset)|) (= |#t~string65.base| |old(#t~string65.base)|) (= |#t~string5.offset| |old(#t~string5.offset)|) (= |#t~string35.base| |old(#t~string35.base)|) (= |old(#length)| |#length|) (= |#t~string3.offset| |old(#t~string3.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string34.offset| |old(#t~string34.offset)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#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~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string42.base| |old(#t~string42.base)|) (= |#t~string35.offset| |old(#t~string35.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string40.offset| |old(#t~string40.offset)|) (= |#t~string34.base| |old(#t~string34.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string3.base| |old(#t~string3.base)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string5.base| |old(#t~string5.base)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string1.base| |old(#t~string1.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~string9.offset| |old(#t~string9.offset)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string55.offset| |old(#t~string55.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)|) (= |#t~string1.offset| |old(#t~string1.offset)|)) [2020-08-21 13:55:21,352 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:55:21,353 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 711 718) no Hoare annotation was computed. [2020-08-21 13:55:21,353 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 711 718) no Hoare annotation was computed. [2020-08-21 13:55:21,353 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 711 718) no Hoare annotation was computed. [2020-08-21 13:55:21,353 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 117 125) no Hoare annotation was computed. [2020-08-21 13:55:21,353 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 117 125) no Hoare annotation was computed. [2020-08-21 13:55:21,353 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 117 125) no Hoare annotation was computed. [2020-08-21 13:55:21,353 INFO L268 CegarLoopResult]: For program point L77-1(lines 73 84) no Hoare annotation was computed. [2020-08-21 13:55:21,354 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 73 84) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-21 13:55:21,354 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 73 84) no Hoare annotation was computed. [2020-08-21 13:55:21,354 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:55:21,354 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-21 13:55:21,354 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:55:21,354 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 85 93) the Hoare annotation is: true [2020-08-21 13:55:21,354 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 85 93) no Hoare annotation was computed. [2020-08-21 13:55:21,354 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 85 93) no Hoare annotation was computed. [2020-08-21 13:55:21,355 INFO L264 CegarLoopResult]: At program point L641(line 641) 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 13:55:21,355 INFO L264 CegarLoopResult]: At program point L639(lines 639 645) 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 13:55:21,355 INFO L264 CegarLoopResult]: At program point L634(line 634) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-21 13:55:21,355 INFO L268 CegarLoopResult]: For program point L632(lines 631 650) no Hoare annotation was computed. [2020-08-21 13:55:21,355 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 628 651) 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 13:55:21,355 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 628 651) no Hoare annotation was computed. [2020-08-21 13:55:21,355 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 628 651) no Hoare annotation was computed. [2020-08-21 13:55:21,356 INFO L271 CegarLoopResult]: At program point L867-2(lines 867 881) the Hoare annotation is: true [2020-08-21 13:55:21,356 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 857 886) no Hoare annotation was computed. [2020-08-21 13:55:21,356 INFO L271 CegarLoopResult]: At program point L863(line 863) the Hoare annotation is: true [2020-08-21 13:55:21,356 INFO L268 CegarLoopResult]: For program point L863-1(line 863) no Hoare annotation was computed. [2020-08-21 13:55:21,356 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 857 886) the Hoare annotation is: true [2020-08-21 13:55:21,356 INFO L271 CegarLoopResult]: At program point L882(lines 857 886) the Hoare annotation is: true [2020-08-21 13:55:21,356 INFO L268 CegarLoopResult]: For program point L878(line 878) no Hoare annotation was computed. [2020-08-21 13:55:21,356 INFO L268 CegarLoopResult]: For program point L871(lines 871 875) no Hoare annotation was computed. [2020-08-21 13:55:21,357 INFO L271 CegarLoopResult]: At program point L871-1(lines 871 875) the Hoare annotation is: true [2020-08-21 13:55:21,357 INFO L268 CegarLoopResult]: For program point L868(line 868) no Hoare annotation was computed. [2020-08-21 13:55:21,357 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 49 60) the Hoare annotation is: true [2020-08-21 13:55:21,357 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 49 60) no Hoare annotation was computed. [2020-08-21 13:55:21,357 INFO L268 CegarLoopResult]: For program point L53-1(lines 49 60) no Hoare annotation was computed. [2020-08-21 13:55:21,357 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 911 917) no Hoare annotation was computed. [2020-08-21 13:55:21,357 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 911 917) the Hoare annotation is: true [2020-08-21 13:55:21,358 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-21 13:55:21,358 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 13:55:21,358 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-21 13:55:21,358 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-21 13:55:21,358 INFO L268 CegarLoopResult]: For program point L65-1(lines 61 72) no Hoare annotation was computed. [2020-08-21 13:55:21,358 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 61 72) no Hoare annotation was computed. [2020-08-21 13:55:21,358 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 61 72) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-21 13:55:21,359 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 543 550) no Hoare annotation was computed. [2020-08-21 13:55:21,359 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 547) no Hoare annotation was computed. [2020-08-21 13:55:21,359 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 543 550) the Hoare annotation is: true [2020-08-21 13:55:21,359 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 543 550) no Hoare annotation was computed. [2020-08-21 13:55:21,359 INFO L264 CegarLoopResult]: At program point L670(line 670) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:55:21,359 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__lowWaterSensorEXIT(lines 660 684) no Hoare annotation was computed. [2020-08-21 13:55:21,359 INFO L268 CegarLoopResult]: For program point L668(lines 668 676) no Hoare annotation was computed. [2020-08-21 13:55:21,360 INFO L264 CegarLoopResult]: At program point processEnvironment__wrappee__lowWaterSensorENTRY(lines 660 684) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:55:21,360 INFO L264 CegarLoopResult]: At program point L666(line 666) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:55:21,360 INFO L268 CegarLoopResult]: For program point L666-1(line 666) no Hoare annotation was computed. [2020-08-21 13:55:21,360 INFO L268 CegarLoopResult]: For program point L664(lines 664 681) no Hoare annotation was computed. [2020-08-21 13:55:21,360 INFO L264 CegarLoopResult]: At program point L679(line 679) the Hoare annotation is: (or (= 0 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:55:21,360 INFO L268 CegarLoopResult]: For program point L679-1(lines 660 684) no Hoare annotation was computed. [2020-08-21 13:55:21,360 INFO L264 CegarLoopResult]: At program point L674(line 674) the Hoare annotation is: (or (= 0 ~systemActive~0) (not (= |old(~pumpRunning~0)| 0))) [2020-08-21 13:55:21,378 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 21.08 01:55:21 BoogieIcfgContainer [2020-08-21 13:55:21,378 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-21 13:55:21,380 INFO L168 Benchmark]: Toolchain (without parser) took 27804.16 ms. Allocated memory was 141.0 MB in the beginning and 670.0 MB in the end (delta: 529.0 MB). Free memory was 101.2 MB in the beginning and 506.2 MB in the end (delta: -404.9 MB). Peak memory consumption was 520.2 MB. Max. memory is 7.1 GB. [2020-08-21 13:55:21,381 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-21 13:55:21,382 INFO L168 Benchmark]: CACSL2BoogieTranslator took 656.93 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 170.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. [2020-08-21 13:55:21,383 INFO L168 Benchmark]: Boogie Preprocessor took 86.67 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 166.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. [2020-08-21 13:55:21,384 INFO L168 Benchmark]: RCFGBuilder took 1147.77 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 191.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. [2020-08-21 13:55:21,385 INFO L168 Benchmark]: TraceAbstraction took 25907.55 ms. Allocated memory was 235.4 MB in the beginning and 670.0 MB in the end (delta: 434.6 MB). Free memory was 189.8 MB in the beginning and 506.2 MB in the end (delta: -316.4 MB). Peak memory consumption was 514.4 MB. Max. memory is 7.1 GB. [2020-08-21 13:55:21,389 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 141.0 MB. Free memory was 121.3 MB in the beginning and 121.1 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 656.93 ms. Allocated memory was 141.0 MB in the beginning and 203.9 MB in the end (delta: 62.9 MB). Free memory was 101.0 MB in the beginning and 170.7 MB in the end (delta: -69.7 MB). Peak memory consumption was 25.3 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 86.67 ms. Allocated memory is still 203.9 MB. Free memory was 170.7 MB in the beginning and 166.0 MB in the end (delta: 4.7 MB). Peak memory consumption was 4.7 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1147.77 ms. Allocated memory was 203.9 MB in the beginning and 235.4 MB in the end (delta: 31.5 MB). Free memory was 166.0 MB in the beginning and 191.2 MB in the end (delta: -25.2 MB). Peak memory consumption was 79.1 MB. Max. memory is 7.1 GB. * TraceAbstraction took 25907.55 ms. Allocated memory was 235.4 MB in the beginning and 670.0 MB in the end (delta: 434.6 MB). Free memory was 189.8 MB in the beginning and 506.2 MB in the end (delta: -316.4 MB). Peak memory consumption was 514.4 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 547]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 867]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 857]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 565]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - InvariantResult [Line: 564]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 40 procedures, 235 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 15.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 12.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 9.9s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 533 SDtfs, 1087 SDslu, 560 SDs, 0 SdLazy, 2561 SolverSat, 826 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 155 GetRequests, 95 SyntacticMatches, 1 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 151 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=462occurred 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, 258 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 61 LocationsWithAnnotation, 637 PreInvPairs, 728 NumberOfFragments, 823 HoareAnnotationTreeSize, 637 FomulaSimplifications, 192822 FormulaSimplificationTreeSizeReduction, 3.1s HoareSimplificationTime, 61 FomulaSimplificationsInter, 19019 FormulaSimplificationTreeSizeReductionInter, 6.7s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s 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...