/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 enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 --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_spec1_product18.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 04:24:47,018 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 04:24:47,021 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 04:24:47,044 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 04:24:47,044 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 04:24:47,046 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 04:24:47,047 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 04:24:47,049 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 04:24:47,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 04:24:47,051 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 04:24:47,052 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 04:24:47,054 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 04:24:47,054 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 04:24:47,055 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 04:24:47,056 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 04:24:47,057 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 04:24:47,058 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 04:24:47,059 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 04:24:47,061 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 04:24:47,062 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 04:24:47,064 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 04:24:47,065 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 04:24:47,066 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 04:24:47,067 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 04:24:47,069 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 04:24:47,070 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 04:24:47,070 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 04:24:47,071 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 04:24:47,071 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 04:24:47,072 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 04:24:47,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 04:24:47,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 04:24:47,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 04:24:47,077 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 04:24:47,078 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 04:24:47,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 04:24:47,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 04:24:47,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 04:24:47,079 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 04:24:47,084 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 04:24:47,086 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 04:24:47,086 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 [2020-08-22 04:24:47,133 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 04:24:47,133 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 04:24:47,134 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 04:24:47,134 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 04:24:47,134 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 04:24:47,138 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 04:24:47,138 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 04:24:47,138 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 04:24:47,139 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 04:24:47,139 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 04:24:47,139 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 04:24:47,139 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 04:24:47,139 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 04:24:47,140 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 04:24:47,141 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 04:24:47,141 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 04:24:47,141 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 04:24:47,141 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 04:24:47,141 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 04:24:47,142 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 04:24:47,142 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 04:24:47,143 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 04:24:47,143 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 04:24:47,143 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 04:24:47,143 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 04:24:47,143 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 04:24:47,144 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 04:24:47,144 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 04:24:47,144 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 04:24:47,144 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 -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3;log-additional-information=true; [2020-08-22 04:24:47,453 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 04:24:47,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 04:24:47,475 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 04:24:47,477 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 04:24:47,477 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 04:24:47,478 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-08-22 04:24:47,553 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66d504241/a07e78507d1e4ff5a6a4a08de89dfbe4/FLAG9e2b82715 [2020-08-22 04:24:48,099 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 04:24:48,100 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec1_product18.cil.c [2020-08-22 04:24:48,119 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66d504241/a07e78507d1e4ff5a6a4a08de89dfbe4/FLAG9e2b82715 [2020-08-22 04:24:48,411 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/66d504241/a07e78507d1e4ff5a6a4a08de89dfbe4 [2020-08-22 04:24:48,421 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 04:24:48,422 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 04:24:48,423 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 04:24:48,424 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 04:24:48,427 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 04:24:48,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:24:48" (1/1) ... [2020-08-22 04:24:48,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@28c71f20 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:48, skipping insertion in model container [2020-08-22 04:24:48,432 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 04:24:48" (1/1) ... [2020-08-22 04:24:48,440 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 04:24:48,499 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 04:24:48,833 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 04:24:48,947 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 04:24:49,084 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 04:24:49,130 INFO L208 MainTranslator]: Completed translation [2020-08-22 04:24:49,131 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:49 WrapperNode [2020-08-22 04:24:49,131 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 04:24:49,132 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 04:24:49,132 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 04:24:49,132 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 04:24:49,143 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:49" (1/1) ... [2020-08-22 04:24:49,143 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:49" (1/1) ... [2020-08-22 04:24:49,163 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:49" (1/1) ... [2020-08-22 04:24:49,163 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:49" (1/1) ... [2020-08-22 04:24:49,196 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:49" (1/1) ... [2020-08-22 04:24:49,207 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:49" (1/1) ... [2020-08-22 04:24:49,213 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:49" (1/1) ... [2020-08-22 04:24:49,221 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 04:24:49,222 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 04:24:49,222 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 04:24:49,222 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 04:24:49,223 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:49" (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 [2020-08-22 04:24:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 04:24:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 04:24:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-22 04:24:49,282 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification1_spec__1 [2020-08-22 04:24:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-22 04:24:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-22 04:24:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-22 04:24:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-22 04:24:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-22 04:24:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-22 04:24:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-22 04:24:49,283 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-22 04:24:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 04:24:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-22 04:24:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment__wrappee__base [2020-08-22 04:24:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-22 04:24:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-22 04:24:49,284 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-22 04:24:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-22 04:24:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-22 04:24:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-22 04:24:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterLevel [2020-08-22 04:24:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure startSystem [2020-08-22 04:24:49,285 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-22 04:24:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-22 04:24:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-22 04:24:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-22 04:24:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-22 04:24:49,286 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-22 04:24:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-22 04:24:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-22 04:24:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-22 04:24:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-22 04:24:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-22 04:24:49,287 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-22 04:24:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-22 04:24:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-22 04:24:49,288 INFO L138 BoogieDeclarations]: Found implementation of procedure isLowWaterSensorDry [2020-08-22 04:24:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 04:24:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 04:24:49,288 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-22 04:24:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-22 04:24:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-22 04:24:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-22 04:24:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification1_spec__1 [2020-08-22 04:24:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-22 04:24:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-22 04:24:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-22 04:24:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-22 04:24:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-22 04:24:49,289 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-22 04:24:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-22 04:24:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-22 04:24:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-22 04:24:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-22 04:24:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-22 04:24:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-22 04:24:49,290 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-22 04:24:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 04:24:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-22 04:24:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-22 04:24:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterSensorDry [2020-08-22 04:24:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-22 04:24:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-22 04:24:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure startSystem [2020-08-22 04:24:49,291 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-22 04:24:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment__wrappee__base [2020-08-22 04:24:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure isLowWaterLevel [2020-08-22 04:24:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-22 04:24:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-22 04:24:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-22 04:24:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-22 04:24:49,292 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-22 04:24:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-22 04:24:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-22 04:24:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-22 04:24:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-22 04:24:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-22 04:24:49,293 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-22 04:24:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-22 04:24:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-22 04:24:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-22 04:24:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-22 04:24:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-22 04:24:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-22 04:24:49,294 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-22 04:24:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-22 04:24:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 04:24:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-22 04:24:49,295 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 04:24:50,394 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 04:24:50,395 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-22 04:24:50,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:24:50 BoogieIcfgContainer [2020-08-22 04:24:50,400 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 04:24:50,401 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 04:24:50,401 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 04:24:50,404 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 04:24:50,404 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 04:24:48" (1/3) ... [2020-08-22 04:24:50,405 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ca62ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:24:50, skipping insertion in model container [2020-08-22 04:24:50,405 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 04:24:49" (2/3) ... [2020-08-22 04:24:50,406 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@19ca62ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 04:24:50, skipping insertion in model container [2020-08-22 04:24:50,406 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 04:24:50" (3/3) ... [2020-08-22 04:24:50,408 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec1_product18.cil.c [2020-08-22 04:24:50,418 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 04:24:50,425 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 04:24:50,438 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 04:24:50,462 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 04:24:50,462 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 04:24:50,462 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 04:24:50,462 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 04:24:50,463 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 04:24:50,463 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 04:24:50,463 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 04:24:50,463 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 04:24:50,485 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states. [2020-08-22 04:24:50,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2020-08-22 04:24:50,494 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:24:50,495 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 04:24:50,495 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:24:50,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:24:50,501 INFO L82 PathProgramCache]: Analyzing trace with hash -579503405, now seen corresponding path program 1 times [2020-08-22 04:24:50,509 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:24:50,509 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [769279450] [2020-08-22 04:24:50,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:24:50,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:51,166 WARN L193 SmtUtils]: Spent 321.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:24:51,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:24:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:51,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 04:24:51,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:51,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 04:24:51,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:51,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 04:24:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:51,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 04:24:51,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:51,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-22 04:24:51,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:51,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 04:24:51,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:51,262 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:24:51,263 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [769279450] [2020-08-22 04:24:51,266 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:24:51,266 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-08-22 04:24:51,267 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [956176974] [2020-08-22 04:24:51,273 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2020-08-22 04:24:51,274 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:24:51,290 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-08-22 04:24:51,291 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 04:24:51,293 INFO L87 Difference]: Start difference. First operand 154 states. Second operand 3 states. [2020-08-22 04:24:52,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:24:52,401 INFO L93 Difference]: Finished difference Result 256 states and 337 transitions. [2020-08-22 04:24:52,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-08-22 04:24:52,403 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 46 [2020-08-22 04:24:52,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:24:52,418 INFO L225 Difference]: With dead ends: 256 [2020-08-22 04:24:52,419 INFO L226 Difference]: Without dead ends: 139 [2020-08-22 04:24:52,424 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-08-22 04:24:52,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2020-08-22 04:24:52,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 108. [2020-08-22 04:24:52,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2020-08-22 04:24:52,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 125 transitions. [2020-08-22 04:24:52,512 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 125 transitions. Word has length 46 [2020-08-22 04:24:52,513 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:24:52,513 INFO L479 AbstractCegarLoop]: Abstraction has 108 states and 125 transitions. [2020-08-22 04:24:52,513 INFO L480 AbstractCegarLoop]: Interpolant automaton has 3 states. [2020-08-22 04:24:52,513 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 125 transitions. [2020-08-22 04:24:52,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2020-08-22 04:24:52,517 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:24:52,517 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 04:24:52,517 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 04:24:52,517 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:24:52,518 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:24:52,518 INFO L82 PathProgramCache]: Analyzing trace with hash -1270890065, now seen corresponding path program 1 times [2020-08-22 04:24:52,518 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:24:52,519 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [727026847] [2020-08-22 04:24:52,519 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:24:52,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,916 WARN L193 SmtUtils]: Spent 241.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:24:52,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:24:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 04:24:52,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 04:24:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 04:24:52,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 04:24:52,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2020-08-22 04:24:52,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-22 04:24:52,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:24:52,958 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [727026847] [2020-08-22 04:24:52,959 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:24:52,959 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-22 04:24:52,959 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1375302235] [2020-08-22 04:24:52,961 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-22 04:24:52,961 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:24:52,961 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-22 04:24:52,962 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-22 04:24:52,962 INFO L87 Difference]: Start difference. First operand 108 states and 125 transitions. Second operand 4 states. [2020-08-22 04:24:53,334 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 04:24:53,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:24:53,981 INFO L93 Difference]: Finished difference Result 185 states and 224 transitions. [2020-08-22 04:24:53,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 04:24:53,982 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 47 [2020-08-22 04:24:53,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:24:53,985 INFO L225 Difference]: With dead ends: 185 [2020-08-22 04:24:53,985 INFO L226 Difference]: Without dead ends: 123 [2020-08-22 04:24:53,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-22 04:24:53,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-22 04:24:54,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-08-22 04:24:54,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-22 04:24:54,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 113 transitions. [2020-08-22 04:24:54,028 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 113 transitions. Word has length 47 [2020-08-22 04:24:54,028 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:24:54,028 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 113 transitions. [2020-08-22 04:24:54,028 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-22 04:24:54,029 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 113 transitions. [2020-08-22 04:24:54,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-22 04:24:54,041 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:24:54,041 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] [2020-08-22 04:24:54,041 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 04:24:54,041 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:24:54,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:24:54,042 INFO L82 PathProgramCache]: Analyzing trace with hash 370634137, now seen corresponding path program 1 times [2020-08-22 04:24:54,042 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:24:54,042 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1904076535] [2020-08-22 04:24:54,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:24:54,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,418 WARN L193 SmtUtils]: Spent 232.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:24:54,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:24:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 04:24:54,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 04:24:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 04:24:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 04:24:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 38 [2020-08-22 04:24:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-22 04:24:54,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:54,545 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:24:54,545 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1904076535] [2020-08-22 04:24:54,546 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:24:54,546 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 04:24:54,546 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1388276476] [2020-08-22 04:24:54,547 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 04:24:54,547 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:24:54,547 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 04:24:54,548 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 04:24:54,548 INFO L87 Difference]: Start difference. First operand 99 states and 113 transitions. Second operand 8 states. [2020-08-22 04:24:54,895 WARN L193 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 04:24:55,211 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:24:55,493 WARN L193 SmtUtils]: Spent 240.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:24:55,724 WARN L193 SmtUtils]: Spent 208.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:24:56,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:24:56,688 INFO L93 Difference]: Finished difference Result 198 states and 242 transitions. [2020-08-22 04:24:56,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 04:24:56,689 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 52 [2020-08-22 04:24:56,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:24:56,692 INFO L225 Difference]: With dead ends: 198 [2020-08-22 04:24:56,692 INFO L226 Difference]: Without dead ends: 123 [2020-08-22 04:24:56,693 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 16 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2020-08-22 04:24:56,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2020-08-22 04:24:56,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 99. [2020-08-22 04:24:56,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-22 04:24:56,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 112 transitions. [2020-08-22 04:24:56,724 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 112 transitions. Word has length 52 [2020-08-22 04:24:56,724 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:24:56,724 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 112 transitions. [2020-08-22 04:24:56,725 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 04:24:56,725 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 112 transitions. [2020-08-22 04:24:56,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2020-08-22 04:24:56,726 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:24:56,726 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] [2020-08-22 04:24:56,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 04:24:56,726 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:24:56,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:24:56,727 INFO L82 PathProgramCache]: Analyzing trace with hash -897507814, now seen corresponding path program 1 times [2020-08-22 04:24:56,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:24:56,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [599667738] [2020-08-22 04:24:56,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:24:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:57,040 WARN L193 SmtUtils]: Spent 205.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:24:57,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:24:57,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:57,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 04:24:57,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:57,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 04:24:57,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:57,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 04:24:57,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:57,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 04:24:57,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:57,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 04:24:57,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:57,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 04:24:57,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:57,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2020-08-22 04:24:57,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:57,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 52 [2020-08-22 04:24:57,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:24:57,134 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:24:57,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [599667738] [2020-08-22 04:24:57,135 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:24:57,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-22 04:24:57,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794715130] [2020-08-22 04:24:57,136 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 04:24:57,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:24:57,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 04:24:57,137 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 04:24:57,137 INFO L87 Difference]: Start difference. First operand 99 states and 112 transitions. Second operand 8 states. [2020-08-22 04:24:57,471 WARN L193 SmtUtils]: Spent 214.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 04:24:58,461 WARN L193 SmtUtils]: Spent 199.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:24:58,778 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:24:59,012 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:24:59,259 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 04:24:59,604 WARN L193 SmtUtils]: Spent 203.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-22 04:25:00,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:25:00,287 INFO L93 Difference]: Finished difference Result 309 states and 402 transitions. [2020-08-22 04:25:00,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 04:25:00,287 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 60 [2020-08-22 04:25:00,288 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:25:00,293 INFO L225 Difference]: With dead ends: 309 [2020-08-22 04:25:00,293 INFO L226 Difference]: Without dead ends: 234 [2020-08-22 04:25:00,294 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=60, Invalid=150, Unknown=0, NotChecked=0, Total=210 [2020-08-22 04:25:00,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2020-08-22 04:25:00,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 165. [2020-08-22 04:25:00,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-22 04:25:00,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 190 transitions. [2020-08-22 04:25:00,347 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 190 transitions. Word has length 60 [2020-08-22 04:25:00,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:25:00,348 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 190 transitions. [2020-08-22 04:25:00,348 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 04:25:00,348 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 190 transitions. [2020-08-22 04:25:00,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2020-08-22 04:25:00,349 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 04:25:00,350 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] [2020-08-22 04:25:00,350 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 04:25:00,350 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 04:25:00,350 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 04:25:00,351 INFO L82 PathProgramCache]: Analyzing trace with hash 824132758, now seen corresponding path program 1 times [2020-08-22 04:25:00,351 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 04:25:00,351 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [163274722] [2020-08-22 04:25:00,351 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 04:25:00,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,646 WARN L193 SmtUtils]: Spent 195.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:25:00,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 04:25:00,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-22 04:25:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 04:25:00,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-22 04:25:00,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-22 04:25:00,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2020-08-22 04:25:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2020-08-22 04:25:00,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-22 04:25:00,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-22 04:25:00,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-22 04:25:00,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 04:25:00,771 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 04:25:00,772 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [163274722] [2020-08-22 04:25:00,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 04:25:00,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-22 04:25:00,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051516653] [2020-08-22 04:25:00,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-22 04:25:00,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 04:25:00,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-22 04:25:00,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-22 04:25:00,775 INFO L87 Difference]: Start difference. First operand 165 states and 190 transitions. Second operand 9 states. [2020-08-22 04:25:01,131 WARN L193 SmtUtils]: Spent 235.00 ms on a formula simplification that was a NOOP. DAG size: 186 [2020-08-22 04:25:01,940 WARN L193 SmtUtils]: Spent 213.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:25:02,193 WARN L193 SmtUtils]: Spent 211.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:25:02,482 WARN L193 SmtUtils]: Spent 265.00 ms on a formula simplification that was a NOOP. DAG size: 188 [2020-08-22 04:25:02,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 04:25:02,655 INFO L93 Difference]: Finished difference Result 291 states and 358 transitions. [2020-08-22 04:25:02,656 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 04:25:02,656 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 64 [2020-08-22 04:25:02,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 04:25:02,657 INFO L225 Difference]: With dead ends: 291 [2020-08-22 04:25:02,657 INFO L226 Difference]: Without dead ends: 0 [2020-08-22 04:25:02,660 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=65, Invalid=145, Unknown=0, NotChecked=0, Total=210 [2020-08-22 04:25:02,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-22 04:25:02,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-22 04:25:02,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-22 04:25:02,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-22 04:25:02,661 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 64 [2020-08-22 04:25:02,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 04:25:02,661 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-22 04:25:02,661 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-22 04:25:02,661 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-22 04:25:02,662 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-22 04:25:02,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 04:25:02,664 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-22 04:25:04,692 WARN L193 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-22 04:25:04,883 WARN L193 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:05,057 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-22 04:25:05,280 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:05,440 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:05,762 WARN L193 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-22 04:25:06,108 WARN L193 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-22 04:25:06,316 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 184 [2020-08-22 04:25:06,633 WARN L193 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-22 04:25:06,947 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 12 [2020-08-22 04:25:07,276 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 12 [2020-08-22 04:25:07,459 WARN L193 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:07,769 WARN L193 SmtUtils]: Spent 295.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 11 [2020-08-22 04:25:07,929 WARN L193 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:08,254 WARN L193 SmtUtils]: Spent 320.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 15 [2020-08-22 04:25:08,418 WARN L193 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 22 [2020-08-22 04:25:08,578 WARN L193 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-22 04:25:08,755 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-22 04:25:08,913 WARN L193 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-22 04:25:09,088 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 24 [2020-08-22 04:25:09,308 WARN L193 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 1 [2020-08-22 04:25:09,386 INFO L268 CegarLoopResult]: For program point L540(lines 517 541) no Hoare annotation was computed. [2020-08-22 04:25:09,386 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 493 548) no Hoare annotation was computed. [2020-08-22 04:25:09,386 INFO L268 CegarLoopResult]: For program point L524(lines 524 528) no Hoare annotation was computed. [2020-08-22 04:25:09,386 INFO L268 CegarLoopResult]: For program point L524-1(lines 524 528) no Hoare annotation was computed. [2020-08-22 04:25:09,386 INFO L268 CegarLoopResult]: For program point L519(line 519) no Hoare annotation was computed. [2020-08-22 04:25:09,387 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 493 548) no Hoare annotation was computed. [2020-08-22 04:25:09,387 INFO L268 CegarLoopResult]: For program point L518-2(lines 518 539) no Hoare annotation was computed. [2020-08-22 04:25:09,387 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 493 548) no Hoare annotation was computed. [2020-08-22 04:25:09,387 INFO L268 CegarLoopResult]: For program point L576(line 576) no Hoare annotation was computed. [2020-08-22 04:25:09,387 INFO L268 CegarLoopResult]: For program point L575-2(lines 575 600) no Hoare annotation was computed. [2020-08-22 04:25:09,387 INFO L268 CegarLoopResult]: For program point L601(lines 574 602) no Hoare annotation was computed. [2020-08-22 04:25:09,388 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 549 608) no Hoare annotation was computed. [2020-08-22 04:25:09,388 INFO L268 CegarLoopResult]: For program point L594(line 594) no Hoare annotation was computed. [2020-08-22 04:25:09,388 INFO L268 CegarLoopResult]: For program point L594-1(line 594) no Hoare annotation was computed. [2020-08-22 04:25:09,388 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 549 608) no Hoare annotation was computed. [2020-08-22 04:25:09,388 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 549 608) no Hoare annotation was computed. [2020-08-22 04:25:09,388 INFO L268 CegarLoopResult]: For program point L581(lines 581 585) no Hoare annotation was computed. [2020-08-22 04:25:09,388 INFO L268 CegarLoopResult]: For program point L581-1(lines 581 585) no Hoare annotation was computed. [2020-08-22 04:25:09,388 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 90 96) the Hoare annotation is: true [2020-08-22 04:25:09,389 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 90 96) no Hoare annotation was computed. [2020-08-22 04:25:09,389 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 97 105) no Hoare annotation was computed. [2020-08-22 04:25:09,389 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 97 105) the Hoare annotation is: true [2020-08-22 04:25:09,389 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 97 105) no Hoare annotation was computed. [2020-08-22 04:25:09,389 INFO L268 CegarLoopResult]: For program point L194-1(lines 194 201) no Hoare annotation was computed. [2020-08-22 04:25:09,389 INFO L268 CegarLoopResult]: For program point L192(line 192) no Hoare annotation was computed. [2020-08-22 04:25:09,389 INFO L264 CegarLoopResult]: At program point L191(line 191) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,389 INFO L264 CegarLoopResult]: At program point L190(line 190) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,390 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 184 206) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,390 INFO L264 CegarLoopResult]: At program point L190-1(line 190) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,390 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 184 206) no Hoare annotation was computed. [2020-08-22 04:25:09,390 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 184 206) no Hoare annotation was computed. [2020-08-22 04:25:09,390 INFO L264 CegarLoopResult]: At program point L196(line 196) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,391 INFO L264 CegarLoopResult]: At program point L196-1(line 196) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= main_~tmp~1 ~systemActive~0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,391 INFO L268 CegarLoopResult]: For program point L194(lines 194 201) no Hoare annotation was computed. [2020-08-22 04:25:09,391 INFO L268 CegarLoopResult]: For program point L160(line 160) no Hoare annotation was computed. [2020-08-22 04:25:09,391 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 142 165) no Hoare annotation was computed. [2020-08-22 04:25:09,391 INFO L268 CegarLoopResult]: For program point L159(line 159) no Hoare annotation was computed. [2020-08-22 04:25:09,391 INFO L268 CegarLoopResult]: For program point L158(line 158) no Hoare annotation was computed. [2020-08-22 04:25:09,391 INFO L268 CegarLoopResult]: For program point L157(line 157) no Hoare annotation was computed. [2020-08-22 04:25:09,391 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 142 165) no Hoare annotation was computed. [2020-08-22 04:25:09,392 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-22 04:25:09,392 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 142 165) no Hoare annotation was computed. [2020-08-22 04:25:09,392 INFO L268 CegarLoopResult]: For program point L155(line 155) no Hoare annotation was computed. [2020-08-22 04:25:09,392 INFO L268 CegarLoopResult]: For program point L154(line 154) no Hoare annotation was computed. [2020-08-22 04:25:09,392 INFO L268 CegarLoopResult]: For program point L153(line 153) no Hoare annotation was computed. [2020-08-22 04:25:09,392 INFO L268 CegarLoopResult]: For program point L152(line 152) no Hoare annotation was computed. [2020-08-22 04:25:09,392 INFO L268 CegarLoopResult]: For program point L151(line 151) no Hoare annotation was computed. [2020-08-22 04:25:09,392 INFO L268 CegarLoopResult]: For program point L150(line 150) no Hoare annotation was computed. [2020-08-22 04:25:09,393 INFO L268 CegarLoopResult]: For program point L149(line 149) no Hoare annotation was computed. [2020-08-22 04:25:09,393 INFO L268 CegarLoopResult]: For program point L148(line 148) no Hoare annotation was computed. [2020-08-22 04:25:09,393 INFO L268 CegarLoopResult]: For program point L147(line 147) no Hoare annotation was computed. [2020-08-22 04:25:09,393 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 301 309) no Hoare annotation was computed. [2020-08-22 04:25:09,393 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 301 309) the Hoare annotation is: true [2020-08-22 04:25:09,393 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 301 309) no Hoare annotation was computed. [2020-08-22 04:25:09,393 INFO L271 CegarLoopResult]: At program point L353(line 353) the Hoare annotation is: true [2020-08-22 04:25:09,393 INFO L268 CegarLoopResult]: For program point L355-2(lines 355 359) no Hoare annotation was computed. [2020-08-22 04:25:09,394 INFO L268 CegarLoopResult]: For program point L353-1(line 353) no Hoare annotation was computed. [2020-08-22 04:25:09,394 INFO L271 CegarLoopResult]: At program point isLowWaterLevelENTRY(lines 346 364) the Hoare annotation is: true [2020-08-22 04:25:09,394 INFO L268 CegarLoopResult]: For program point isLowWaterLevelEXIT(lines 346 364) no Hoare annotation was computed. [2020-08-22 04:25:09,394 INFO L268 CegarLoopResult]: For program point L355(lines 355 359) no Hoare annotation was computed. [2020-08-22 04:25:09,394 INFO L268 CegarLoopResult]: For program point isLowWaterLevelFINAL(lines 346 364) no Hoare annotation was computed. [2020-08-22 04:25:09,394 INFO L268 CegarLoopResult]: For program point L317(lines 317 325) no Hoare annotation was computed. [2020-08-22 04:25:09,394 INFO L268 CegarLoopResult]: For program point L317-2(lines 317 325) no Hoare annotation was computed. [2020-08-22 04:25:09,394 INFO L268 CegarLoopResult]: For program point L340(line 340) no Hoare annotation was computed. [2020-08-22 04:25:09,394 INFO L268 CegarLoopResult]: For program point L340-1(line 340) no Hoare annotation was computed. [2020-08-22 04:25:09,394 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 310 345) no Hoare annotation was computed. [2020-08-22 04:25:09,394 INFO L268 CegarLoopResult]: For program point L329(lines 329 337) no Hoare annotation was computed. [2020-08-22 04:25:09,395 INFO L268 CegarLoopResult]: For program point L329-2(lines 329 337) no Hoare annotation was computed. [2020-08-22 04:25:09,395 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 310 345) no Hoare annotation was computed. [2020-08-22 04:25:09,395 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 310 345) no Hoare annotation was computed. [2020-08-22 04:25:09,395 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 83 89) no Hoare annotation was computed. [2020-08-22 04:25:09,395 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 83 89) the Hoare annotation is: true [2020-08-22 04:25:09,395 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 447 492) no Hoare annotation was computed. [2020-08-22 04:25:09,395 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 447 492) no Hoare annotation was computed. [2020-08-22 04:25:09,395 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 447 492) no Hoare annotation was computed. [2020-08-22 04:25:09,395 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 760 805) no Hoare annotation was computed. [2020-08-22 04:25:09,396 INFO L268 CegarLoopResult]: For program point L780(lines 780 787) no Hoare annotation was computed. [2020-08-22 04:25:09,396 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 760 805) no Hoare annotation was computed. [2020-08-22 04:25:09,396 INFO L268 CegarLoopResult]: For program point L774(lines 774 794) no Hoare annotation was computed. [2020-08-22 04:25:09,396 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 760 805) no Hoare annotation was computed. [2020-08-22 04:25:09,396 INFO L268 CegarLoopResult]: For program point L774-1(lines 774 794) no Hoare annotation was computed. [2020-08-22 04:25:09,396 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 174 183) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,396 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 174 183) no Hoare annotation was computed. [2020-08-22 04:25:09,396 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 174 183) no Hoare annotation was computed. [2020-08-22 04:25:09,396 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 290 300) no Hoare annotation was computed. [2020-08-22 04:25:09,396 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 290 300) no Hoare annotation was computed. [2020-08-22 04:25:09,396 INFO L268 CegarLoopResult]: For program point L295(line 295) no Hoare annotation was computed. [2020-08-22 04:25:09,397 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 290 300) no Hoare annotation was computed. [2020-08-22 04:25:09,397 INFO L268 CegarLoopResult]: For program point L295-1(line 295) no Hoare annotation was computed. [2020-08-22 04:25:09,397 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 282 289) the Hoare annotation is: true [2020-08-22 04:25:09,397 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 282 289) no Hoare annotation was computed. [2020-08-22 04:25:09,397 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 282 289) no Hoare annotation was computed. [2020-08-22 04:25:09,397 INFO L268 CegarLoopResult]: For program point L257(lines 257 265) no Hoare annotation was computed. [2020-08-22 04:25:09,397 INFO L264 CegarLoopResult]: At program point L255(line 255) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:09,397 INFO L268 CegarLoopResult]: For program point L255-1(line 255) no Hoare annotation was computed. [2020-08-22 04:25:09,397 INFO L268 CegarLoopResult]: For program point L253(lines 253 270) no Hoare annotation was computed. [2020-08-22 04:25:09,397 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 249 273) no Hoare annotation was computed. [2020-08-22 04:25:09,398 INFO L264 CegarLoopResult]: At program point processEnvironmentENTRY(lines 249 273) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:09,398 INFO L264 CegarLoopResult]: At program point L268(line 268) the Hoare annotation is: (or (= ~pumpRunning~0 |old(~pumpRunning~0)|) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:09,398 INFO L268 CegarLoopResult]: For program point L268-1(lines 249 273) no Hoare annotation was computed. [2020-08-22 04:25:09,398 INFO L264 CegarLoopResult]: At program point L263(line 263) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:09,398 INFO L264 CegarLoopResult]: At program point L259(line 259) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:09,398 INFO L268 CegarLoopResult]: For program point processEnvironment__wrappee__baseEXIT(lines 241 247) no Hoare annotation was computed. [2020-08-22 04:25:09,398 INFO L271 CegarLoopResult]: At program point processEnvironment__wrappee__baseFINAL(lines 241 247) the Hoare annotation is: true [2020-08-22 04:25:09,399 INFO L264 CegarLoopResult]: At program point testENTRY(lines 374 439) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,399 INFO L268 CegarLoopResult]: For program point testFINAL(lines 374 439) no Hoare annotation was computed. [2020-08-22 04:25:09,399 INFO L264 CegarLoopResult]: At program point L432(lines 383 433) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,399 INFO L268 CegarLoopResult]: For program point L422(lines 422 426) no Hoare annotation was computed. [2020-08-22 04:25:09,399 INFO L264 CegarLoopResult]: At program point L422-2(lines 414 427) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,399 INFO L268 CegarLoopResult]: For program point L385(lines 384 431) no Hoare annotation was computed. [2020-08-22 04:25:09,400 INFO L264 CegarLoopResult]: At program point L416(line 416) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,400 INFO L268 CegarLoopResult]: For program point L414(lines 414 427) no Hoare annotation was computed. [2020-08-22 04:25:09,400 INFO L264 CegarLoopResult]: At program point L406(line 406) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,400 INFO L268 CegarLoopResult]: For program point L404(lines 404 410) no Hoare annotation was computed. [2020-08-22 04:25:09,400 INFO L268 CegarLoopResult]: For program point L404-1(lines 404 410) no Hoare annotation was computed. [2020-08-22 04:25:09,400 INFO L264 CegarLoopResult]: At program point L429(lines 384 431) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,400 INFO L264 CegarLoopResult]: At program point L396(line 396) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point L394(lines 394 400) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point L394-1(lines 394 400) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point testEXIT(lines 374 439) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point L386(lines 386 390) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point L734(lines 734 741) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 714 759) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point L728(lines 728 748) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point L728-1(lines 728 748) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 714 759) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 714 759) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryFINAL(lines 896 904) no Hoare annotation was computed. [2020-08-22 04:25:09,401 INFO L271 CegarLoopResult]: At program point isLowWaterSensorDryENTRY(lines 896 904) the Hoare annotation is: true [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point isLowWaterSensorDryEXIT(lines 896 904) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 864 886) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point L872(lines 872 880) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point L872-2(lines 872 880) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 864 886) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 864 886) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 73 82) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 73 82) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 73 82) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point L640(lines 640 656) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 611 713) no Hoare annotation was computed. [2020-08-22 04:25:09,402 INFO L268 CegarLoopResult]: For program point L700(lines 700 707) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point L661(lines 660 680) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point L692(line 692) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point L657(lines 657 698) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 611 713) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point L676(line 676) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point L676-1(line 676) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point L635(lines 635 639) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point L699(lines 699 710) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point L662(lines 662 666) no Hoare annotation was computed. [2020-08-22 04:25:09,403 INFO L268 CegarLoopResult]: For program point L660-2(lines 660 680) no Hoare annotation was computed. [2020-08-22 04:25:09,404 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 611 713) no Hoare annotation was computed. [2020-08-22 04:25:09,404 INFO L268 CegarLoopResult]: For program point L681(lines 659 682) no Hoare annotation was computed. [2020-08-22 04:25:09,404 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-22 04:25:09,404 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~string47.offset| |old(#t~string47.offset)|) (= |old(#length)| |#length|) (= |#t~string56.base| |old(#t~string56.base)|) (= |#t~string58.base| |old(#t~string58.base)|) (= |old(#valid)| |#valid|) (= |#t~string50.base| |old(#t~string50.base)|) (= |#t~string17.offset| |old(#t~string17.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string13.base| |old(#t~string13.base)|) (= |#t~string11.base| |old(#t~string11.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string48.base| |old(#t~string48.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= |#t~string7.base| |old(#t~string7.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string55.base| |old(#t~string55.base)|) (= |#t~string15.base| |old(#t~string15.base)|) (= |#t~string46.base| |old(#t~string46.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string71.offset| |old(#t~string71.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= ~systemActive~0 |old(~systemActive~0)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string50.offset| |old(#t~string50.offset)|) (= |#t~string15.offset| |old(#t~string15.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string56.offset| |old(#t~string56.offset)|) (= |#t~string58.offset| |old(#t~string58.offset)|) (= |#t~string54.offset| |old(#t~string54.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string57.offset| |old(#t~string57.offset)|) (= |#t~string57.base| |old(#t~string57.base)|) (= |#t~string17.base| |old(#t~string17.base)|) (= |#t~string45.base| |old(#t~string45.base)|) (= |#t~string54.base| |old(#t~string54.base)|) (= |#NULL.base| |old(#NULL.base)|) (= |#t~string49.offset| |old(#t~string49.offset)|) (= |#t~string45.offset| |old(#t~string45.offset)|) (= |#t~string69.offset| |old(#t~string69.offset)|) (= ~waterLevel~0 |old(~waterLevel~0)|) (= |#t~string9.offset| |old(#t~string9.offset)|) (= |#t~string11.offset| |old(#t~string11.offset)|) (= |#t~string71.base| |old(#t~string71.base)|) (= |#t~string63.offset| |old(#t~string63.offset)|) (= |#t~string48.offset| |old(#t~string48.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string9.base| |old(#t~string9.base)|) (= |#t~string7.offset| |old(#t~string7.offset)|) (= |#t~string46.offset| |old(#t~string46.offset)|) (= |#t~string59.base| |old(#t~string59.base)|) (= |#t~string55.offset| |old(#t~string55.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string13.offset| |old(#t~string13.offset)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#t~string59.offset| |old(#t~string59.offset)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-22 04:25:09,404 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-22 04:25:09,404 INFO L268 CegarLoopResult]: For program point activatePumpFINAL(lines 274 281) no Hoare annotation was computed. [2020-08-22 04:25:09,404 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 274 281) no Hoare annotation was computed. [2020-08-22 04:25:09,404 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 274 281) no Hoare annotation was computed. [2020-08-22 04:25:09,404 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 887 895) no Hoare annotation was computed. [2020-08-22 04:25:09,405 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 887 895) no Hoare annotation was computed. [2020-08-22 04:25:09,405 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 887 895) no Hoare annotation was computed. [2020-08-22 04:25:09,405 INFO L268 CegarLoopResult]: For program point L847-1(lines 843 854) no Hoare annotation was computed. [2020-08-22 04:25:09,405 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 843 854) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-22 04:25:09,405 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 843 854) no Hoare annotation was computed. [2020-08-22 04:25:09,405 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-22 04:25:09,405 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-22 04:25:09,405 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-22 04:25:09,405 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 855 863) the Hoare annotation is: true [2020-08-22 04:25:09,405 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 855 863) no Hoare annotation was computed. [2020-08-22 04:25:09,405 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 855 863) no Hoare annotation was computed. [2020-08-22 04:25:09,406 INFO L264 CegarLoopResult]: At program point L223(line 223) the Hoare annotation is: (or (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:09,406 INFO L268 CegarLoopResult]: For program point L221(lines 220 239) no Hoare annotation was computed. [2020-08-22 04:25:09,406 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 217 240) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:09,406 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 217 240) no Hoare annotation was computed. [2020-08-22 04:25:09,406 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 217 240) no Hoare annotation was computed. [2020-08-22 04:25:09,406 INFO L264 CegarLoopResult]: At program point L230(line 230) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:09,406 INFO L264 CegarLoopResult]: At program point L228(lines 228 234) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|)) (not (= 1 ~systemActive~0)) (not (= |old(~pumpRunning~0)| 0))) [2020-08-22 04:25:09,406 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 109 138) no Hoare annotation was computed. [2020-08-22 04:25:09,407 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 109 138) the Hoare annotation is: true [2020-08-22 04:25:09,407 INFO L268 CegarLoopResult]: For program point L123(lines 123 127) no Hoare annotation was computed. [2020-08-22 04:25:09,407 INFO L271 CegarLoopResult]: At program point L123-1(lines 123 127) the Hoare annotation is: true [2020-08-22 04:25:09,407 INFO L268 CegarLoopResult]: For program point L120(line 120) no Hoare annotation was computed. [2020-08-22 04:25:09,407 INFO L271 CegarLoopResult]: At program point L119-2(lines 119 133) the Hoare annotation is: true [2020-08-22 04:25:09,407 INFO L271 CegarLoopResult]: At program point L115(line 115) the Hoare annotation is: true [2020-08-22 04:25:09,407 INFO L268 CegarLoopResult]: For program point L115-1(line 115) no Hoare annotation was computed. [2020-08-22 04:25:09,407 INFO L271 CegarLoopResult]: At program point L134(lines 109 138) the Hoare annotation is: true [2020-08-22 04:25:09,407 INFO L268 CegarLoopResult]: For program point L130(line 130) no Hoare annotation was computed. [2020-08-22 04:25:09,408 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 819 830) the Hoare annotation is: true [2020-08-22 04:25:09,408 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 819 830) no Hoare annotation was computed. [2020-08-22 04:25:09,408 INFO L268 CegarLoopResult]: For program point L823-1(lines 819 830) no Hoare annotation was computed. [2020-08-22 04:25:09,408 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 166 172) no Hoare annotation was computed. [2020-08-22 04:25:09,408 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 166 172) the Hoare annotation is: true [2020-08-22 04:25:09,408 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-22 04:25:09,408 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-22 04:25:09,408 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-22 04:25:09,409 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-22 04:25:09,409 INFO L268 CegarLoopResult]: For program point startSystemEXIT(lines 365 372) no Hoare annotation was computed. [2020-08-22 04:25:09,409 INFO L264 CegarLoopResult]: At program point startSystemENTRY(lines 365 372) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= ~pumpRunning~0 0)) (= 1 ~systemActive~0)) [2020-08-22 04:25:09,409 INFO L268 CegarLoopResult]: For program point startSystemFINAL(lines 365 372) no Hoare annotation was computed. [2020-08-22 04:25:09,409 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 831 842) no Hoare annotation was computed. [2020-08-22 04:25:09,409 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 831 842) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 04:25:09,409 INFO L268 CegarLoopResult]: For program point L835-1(lines 831 842) no Hoare annotation was computed. [2020-08-22 04:25:09,410 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 807 814) no Hoare annotation was computed. [2020-08-22 04:25:09,410 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 811) no Hoare annotation was computed. [2020-08-22 04:25:09,410 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 807 814) the Hoare annotation is: true [2020-08-22 04:25:09,410 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 807 814) no Hoare annotation was computed. [2020-08-22 04:25:09,410 INFO L271 CegarLoopResult]: At program point __utac_acc__Specification1_spec__1ENTRY(lines 43 67) the Hoare annotation is: true [2020-08-22 04:25:09,410 INFO L264 CegarLoopResult]: At program point L57(line 57) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 04:25:09,410 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification1_spec__1EXIT(lines 43 67) no Hoare annotation was computed. [2020-08-22 04:25:09,411 INFO L268 CegarLoopResult]: For program point L55(lines 55 61) no Hoare annotation was computed. [2020-08-22 04:25:09,411 INFO L264 CegarLoopResult]: At program point L53(line 53) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0))) [2020-08-22 04:25:09,411 INFO L268 CegarLoopResult]: For program point L53-1(line 53) no Hoare annotation was computed. [2020-08-22 04:25:09,411 INFO L268 CegarLoopResult]: For program point L51(lines 51 64) no Hoare annotation was computed. [2020-08-22 04:25:09,411 INFO L268 CegarLoopResult]: For program point L51-1(lines 43 67) no Hoare annotation was computed. [2020-08-22 04:25:09,411 INFO L271 CegarLoopResult]: At program point L49(line 49) the Hoare annotation is: true [2020-08-22 04:25:09,411 INFO L268 CegarLoopResult]: For program point L49-1(line 49) no Hoare annotation was computed. [2020-08-22 04:25:09,429 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.08 04:25:09 BoogieIcfgContainer [2020-08-22 04:25:09,429 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-22 04:25:09,431 INFO L168 Benchmark]: Toolchain (without parser) took 21008.98 ms. Allocated memory was 141.0 MB in the beginning and 550.5 MB in the end (delta: 409.5 MB). Free memory was 102.5 MB in the beginning and 279.0 MB in the end (delta: -176.5 MB). Peak memory consumption was 394.8 MB. Max. memory is 7.1 GB. [2020-08-22 04:25:09,432 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-22 04:25:09,434 INFO L168 Benchmark]: CACSL2BoogieTranslator took 707.75 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 174.2 MB in the end (delta: -71.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. [2020-08-22 04:25:09,434 INFO L168 Benchmark]: Boogie Preprocessor took 89.72 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 170.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-22 04:25:09,435 INFO L168 Benchmark]: RCFGBuilder took 1178.09 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 170.2 MB in the beginning and 197.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. [2020-08-22 04:25:09,436 INFO L168 Benchmark]: TraceAbstraction took 19028.66 ms. Allocated memory was 234.9 MB in the beginning and 550.5 MB in the end (delta: 315.6 MB). Free memory was 197.5 MB in the beginning and 279.0 MB in the end (delta: -81.6 MB). Peak memory consumption was 395.9 MB. Max. memory is 7.1 GB. [2020-08-22 04:25:09,440 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 141.0 MB. Free memory was 122.5 MB in the beginning and 122.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 707.75 ms. Allocated memory was 141.0 MB in the beginning and 204.5 MB in the end (delta: 63.4 MB). Free memory was 102.3 MB in the beginning and 174.2 MB in the end (delta: -71.8 MB). Peak memory consumption was 27.8 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 89.72 ms. Allocated memory is still 204.5 MB. Free memory was 174.2 MB in the beginning and 170.2 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1178.09 ms. Allocated memory was 204.5 MB in the beginning and 234.9 MB in the end (delta: 30.4 MB). Free memory was 170.2 MB in the beginning and 197.5 MB in the end (delta: -27.3 MB). Peak memory consumption was 82.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 19028.66 ms. Allocated memory was 234.9 MB in the beginning and 550.5 MB in the end (delta: 315.6 MB). Free memory was 197.5 MB in the beginning and 279.0 MB in the end (delta: -81.6 MB). Peak memory consumption was 395.9 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 811]: 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: 383]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 109]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 384]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || ((1 == systemActive && pumpRunning == 0) && splverifierCounter == 0)) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 119]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 38 procedures, 218 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.2s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 6.7s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 438 SDtfs, 667 SDslu, 278 SDs, 0 SdLazy, 1589 SolverSat, 447 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 132 GetRequests, 91 SyntacticMatches, 1 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 4.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=165occurred 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: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 148 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 51 LocationsWithAnnotation, 245 PreInvPairs, 275 NumberOfFragments, 723 HoareAnnotationTreeSize, 245 FomulaSimplifications, 40907 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 51 FomulaSimplificationsInter, 7503 FormulaSimplificationTreeSizeReductionInter, 4.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 2.0s InterpolantComputationTime, 269 NumberOfCodeBlocks, 269 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 264 ConstructedInterpolants, 0 QuantifiedInterpolants, 75562 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...