/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration false -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 15:15:43,810 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 15:15:43,813 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 15:15:43,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 15:15:43,838 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 15:15:43,839 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 15:15:43,840 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 15:15:43,842 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 15:15:43,843 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 15:15:43,844 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 15:15:43,845 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 15:15:43,846 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 15:15:43,847 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 15:15:43,848 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 15:15:43,849 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 15:15:43,850 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 15:15:43,851 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 15:15:43,851 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 15:15:43,853 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 15:15:43,857 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 15:15:43,858 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 15:15:43,859 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 15:15:43,865 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 15:15:43,866 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 15:15:43,870 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-18 15:15:43,870 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-18 15:15:43,870 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-18 15:15:43,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-18 15:15:43,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-18 15:15:43,873 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-18 15:15:43,875 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-18 15:15:43,876 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-18 15:15:43,877 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-18 15:15:43,878 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-18 15:15:43,880 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-18 15:15:43,881 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-18 15:15:43,881 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-18 15:15:43,882 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-18 15:15:43,882 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 15:15:43,883 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 15:15:43,884 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 15:15:43,885 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 15:15:43,937 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 15:15:43,937 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 15:15:43,938 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 15:15:43,939 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 15:15:43,939 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 15:15:43,939 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 15:15:43,939 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 15:15:43,940 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 15:15:43,940 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 15:15:43,940 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 15:15:43,940 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 15:15:43,940 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 15:15:43,941 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 15:15:43,941 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 15:15:43,941 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 15:15:43,941 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 15:15:43,941 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 15:15:43,941 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 15:15:43,942 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 15:15:43,942 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 15:15:43,942 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 15:15:43,942 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:15:43,942 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 15:15:43,943 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 15:15:43,943 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 15:15:43,943 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 15:15:43,943 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 15:15:43,943 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 15:15:43,943 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 15:15:43,944 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> false [2020-08-18 15:15:44,261 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 15:15:44,279 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 15:15:44,282 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 15:15:44,283 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 15:15:44,284 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 15:15:44,284 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2020-08-18 15:15:44,345 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54bc51561/759661610692422a92735a171cb94266/FLAGeedc27624 [2020-08-18 15:15:44,862 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 15:15:44,863 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/product-lines/minepump_spec2_product11.cil.c [2020-08-18 15:15:44,876 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54bc51561/759661610692422a92735a171cb94266/FLAGeedc27624 [2020-08-18 15:15:45,203 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/54bc51561/759661610692422a92735a171cb94266 [2020-08-18 15:15:45,211 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 15:15:45,213 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 15:15:45,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 15:15:45,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 15:15:45,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 15:15:45,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:15:45" (1/1) ... [2020-08-18 15:15:45,222 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@539bb8e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45, skipping insertion in model container [2020-08-18 15:15:45,223 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 03:15:45" (1/1) ... [2020-08-18 15:15:45,230 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 15:15:45,299 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 15:15:45,745 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:15:45,759 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 15:15:45,835 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 15:15:45,870 INFO L208 MainTranslator]: Completed translation [2020-08-18 15:15:45,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45 WrapperNode [2020-08-18 15:15:45,871 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 15:15:45,872 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 15:15:45,872 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 15:15:45,872 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 15:15:45,885 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ... [2020-08-18 15:15:45,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ... [2020-08-18 15:15:45,904 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ... [2020-08-18 15:15:45,905 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ... [2020-08-18 15:15:45,938 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ... [2020-08-18 15:15:45,948 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ... [2020-08-18 15:15:45,955 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ... [2020-08-18 15:15:45,966 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 15:15:45,967 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 15:15:45,967 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 15:15:45,967 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 15:15:45,968 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 15:15:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 15:15:46,031 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 15:15:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~int~X~int~TO~int [2020-08-18 15:15:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_one [2020-08-18 15:15:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_features [2020-08-18 15:15:46,032 INFO L138 BoogieDeclarations]: Found implementation of procedure select_helpers [2020-08-18 15:15:46,033 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_product [2020-08-18 15:15:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_set [2020-08-18 15:15:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_free [2020-08-18 15:15:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__exception__cf_handler_reset [2020-08-18 15:15:46,034 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__error_stack_mgt [2020-08-18 15:15:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_arg [2020-08-18 15:15:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac__get_this_argtype [2020-08-18 15:15:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure timeShift [2020-08-18 15:15:46,035 INFO L138 BoogieDeclarations]: Found implementation of procedure processEnvironment [2020-08-18 15:15:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump__wrappee__base [2020-08-18 15:15:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure activatePump [2020-08-18 15:15:46,036 INFO L138 BoogieDeclarations]: Found implementation of procedure deactivatePump [2020-08-18 15:15:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneAlarm [2020-08-18 15:15:46,037 INFO L138 BoogieDeclarations]: Found implementation of procedure isPumpRunning [2020-08-18 15:15:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure printPump [2020-08-18 15:15:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure stopSystem [2020-08-18 15:15:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure test [2020-08-18 15:15:46,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __automaton_fail [2020-08-18 15:15:46,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__1 [2020-08-18 15:15:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __utac_acc__Specification2_spec__2 [2020-08-18 15:15:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure lowerWaterLevel [2020-08-18 15:15:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure waterRise [2020-08-18 15:15:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure changeMethaneLevel [2020-08-18 15:15:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure isMethaneLevelCritical [2020-08-18 15:15:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure printEnvironment [2020-08-18 15:15:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure getWaterLevel [2020-08-18 15:15:46,041 INFO L138 BoogieDeclarations]: Found implementation of procedure cleanup [2020-08-18 15:15:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure Specification2 [2020-08-18 15:15:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure setup [2020-08-18 15:15:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure runTest [2020-08-18 15:15:46,042 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 15:15:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 15:15:46,042 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 15:15:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure printf [2020-08-18 15:15:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_one [2020-08-18 15:15:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_features [2020-08-18 15:15:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure select_helpers [2020-08-18 15:15:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure valid_product [2020-08-18 15:15:46,043 INFO L130 BoogieDeclarations]: Found specification of procedure __assert_fail [2020-08-18 15:15:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure malloc [2020-08-18 15:15:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure free [2020-08-18 15:15:46,044 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_set [2020-08-18 15:15:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2020-08-18 15:15:46,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2020-08-18 15:15:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-08-18 15:15:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2020-08-18 15:15:46,046 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_free [2020-08-18 15:15:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-08-18 15:15:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__exception__cf_handler_reset [2020-08-18 15:15:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~int~X~int~TO~int [2020-08-18 15:15:46,047 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-08-18 15:15:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__error_stack_mgt [2020-08-18 15:15:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_arg [2020-08-18 15:15:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-08-18 15:15:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure __utac__get_this_argtype [2020-08-18 15:15:46,048 INFO L130 BoogieDeclarations]: Found specification of procedure lowerWaterLevel [2020-08-18 15:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneLevelCritical [2020-08-18 15:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure printEnvironment [2020-08-18 15:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure timeShift [2020-08-18 15:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump [2020-08-18 15:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure deactivatePump [2020-08-18 15:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure isPumpRunning [2020-08-18 15:15:46,049 INFO L130 BoogieDeclarations]: Found specification of procedure printPump [2020-08-18 15:15:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure stopSystem [2020-08-18 15:15:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__2 [2020-08-18 15:15:46,050 INFO L130 BoogieDeclarations]: Found specification of procedure processEnvironment [2020-08-18 15:15:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure activatePump__wrappee__base [2020-08-18 15:15:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure isMethaneAlarm [2020-08-18 15:15:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure waterRise [2020-08-18 15:15:46,051 INFO L130 BoogieDeclarations]: Found specification of procedure changeMethaneLevel [2020-08-18 15:15:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure cleanup [2020-08-18 15:15:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure test [2020-08-18 15:15:46,052 INFO L130 BoogieDeclarations]: Found specification of procedure __automaton_fail [2020-08-18 15:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure __utac_acc__Specification2_spec__1 [2020-08-18 15:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure getWaterLevel [2020-08-18 15:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure Specification2 [2020-08-18 15:15:46,053 INFO L130 BoogieDeclarations]: Found specification of procedure setup [2020-08-18 15:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure runTest [2020-08-18 15:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 15:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 15:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-08-18 15:15:46,054 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 15:15:47,089 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 15:15:47,089 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-08-18 15:15:47,099 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:15:47 BoogieIcfgContainer [2020-08-18 15:15:47,100 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 15:15:47,101 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 15:15:47,101 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 15:15:47,105 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 15:15:47,105 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 03:15:45" (1/3) ... [2020-08-18 15:15:47,106 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8bf1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:15:47, skipping insertion in model container [2020-08-18 15:15:47,106 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 03:15:45" (2/3) ... [2020-08-18 15:15:47,107 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b8bf1d1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 03:15:47, skipping insertion in model container [2020-08-18 15:15:47,107 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 03:15:47" (3/3) ... [2020-08-18 15:15:47,109 INFO L109 eAbstractionObserver]: Analyzing ICFG minepump_spec2_product11.cil.c [2020-08-18 15:15:47,119 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 15:15:47,129 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 15:15:47,143 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 15:15:47,168 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 15:15:47,169 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 15:15:47,169 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 15:15:47,169 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 15:15:47,169 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 15:15:47,169 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 15:15:47,169 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 15:15:47,170 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 15:15:47,187 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states. [2020-08-18 15:15:47,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2020-08-18 15:15:47,196 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:15:47,197 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:15:47,198 INFO L427 AbstractCegarLoop]: === Iteration 1 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:15:47,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:15:47,203 INFO L82 PathProgramCache]: Analyzing trace with hash -536149365, now seen corresponding path program 1 times [2020-08-18 15:15:47,210 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:15:47,210 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2034290230] [2020-08-18 15:15:47,211 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:15:47,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:47,921 WARN L193 SmtUtils]: Spent 327.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:15:47,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:15:47,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:48,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:15:48,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:48,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:15:48,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:48,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:15:48,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:48,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:15:48,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:48,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 15:15:48,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:48,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 15:15:48,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:48,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 15:15:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:48,085 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:15:48,086 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2034290230] [2020-08-18 15:15:48,088 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:15:48,097 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-08-18 15:15:48,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155013047] [2020-08-18 15:15:48,105 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 15:15:48,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:15:48,119 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 15:15:48,120 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 15:15:48,123 INFO L87 Difference]: Start difference. First operand 149 states. Second operand 4 states. [2020-08-18 15:15:48,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:15:48,899 INFO L93 Difference]: Finished difference Result 219 states and 292 transitions. [2020-08-18 15:15:48,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 15:15:48,901 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 51 [2020-08-18 15:15:48,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:15:48,916 INFO L225 Difference]: With dead ends: 219 [2020-08-18 15:15:48,916 INFO L226 Difference]: Without dead ends: 125 [2020-08-18 15:15:48,921 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2020-08-18 15:15:48,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-18 15:15:49,025 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 95. [2020-08-18 15:15:49,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 95 states. [2020-08-18 15:15:49,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 110 transitions. [2020-08-18 15:15:49,030 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 110 transitions. Word has length 51 [2020-08-18 15:15:49,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:15:49,031 INFO L479 AbstractCegarLoop]: Abstraction has 95 states and 110 transitions. [2020-08-18 15:15:49,031 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 15:15:49,031 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 110 transitions. [2020-08-18 15:15:49,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-08-18 15:15:49,034 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:15:49,034 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] [2020-08-18 15:15:49,035 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 15:15:49,035 INFO L427 AbstractCegarLoop]: === Iteration 2 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:15:49,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:15:49,035 INFO L82 PathProgramCache]: Analyzing trace with hash -1955999865, now seen corresponding path program 1 times [2020-08-18 15:15:49,036 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:15:49,036 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1592162437] [2020-08-18 15:15:49,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:15:49,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:49,379 WARN L193 SmtUtils]: Spent 224.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:15:49,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:15:49,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:49,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:15:49,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:49,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:15:49,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:49,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:15:49,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:49,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:15:49,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:49,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 15:15:49,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:49,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 15:15:49,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:49,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 15:15:49,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:49,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:15:49,429 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1592162437] [2020-08-18 15:15:49,429 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:15:49,429 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 15:15:49,429 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1127862064] [2020-08-18 15:15:49,431 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 15:15:49,431 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:15:49,432 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 15:15:49,432 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2020-08-18 15:15:49,432 INFO L87 Difference]: Start difference. First operand 95 states and 110 transitions. Second operand 5 states. [2020-08-18 15:15:49,935 WARN L193 SmtUtils]: Spent 225.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 15:15:50,518 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:15:50,518 INFO L93 Difference]: Finished difference Result 155 states and 193 transitions. [2020-08-18 15:15:50,518 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 15:15:50,518 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 52 [2020-08-18 15:15:50,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:15:50,521 INFO L225 Difference]: With dead ends: 155 [2020-08-18 15:15:50,521 INFO L226 Difference]: Without dead ends: 115 [2020-08-18 15:15:50,523 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2020-08-18 15:15:50,523 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 115 states. [2020-08-18 15:15:50,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 115 to 86. [2020-08-18 15:15:50,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 86 states. [2020-08-18 15:15:50,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 98 transitions. [2020-08-18 15:15:50,562 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 98 transitions. Word has length 52 [2020-08-18 15:15:50,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:15:50,562 INFO L479 AbstractCegarLoop]: Abstraction has 86 states and 98 transitions. [2020-08-18 15:15:50,562 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 15:15:50,562 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 98 transitions. [2020-08-18 15:15:50,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-18 15:15:50,564 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:15:50,565 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 15:15:50,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 15:15:50,565 INFO L427 AbstractCegarLoop]: === Iteration 3 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:15:50,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:15:50,565 INFO L82 PathProgramCache]: Analyzing trace with hash 989054586, now seen corresponding path program 1 times [2020-08-18 15:15:50,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:15:50,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [593938508] [2020-08-18 15:15:50,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:15:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:50,883 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:15:50,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:15:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:15:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:50,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:15:50,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:50,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:15:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:50,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:15:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:50,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 15:15:50,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:50,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2020-08-18 15:15:50,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:51,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 47 [2020-08-18 15:15:51,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:51,008 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:15:51,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [593938508] [2020-08-18 15:15:51,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:15:51,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 15:15:51,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533508534] [2020-08-18 15:15:51,011 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 15:15:51,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:15:51,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 15:15:51,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 15:15:51,012 INFO L87 Difference]: Start difference. First operand 86 states and 98 transitions. Second operand 9 states. [2020-08-18 15:15:51,456 WARN L193 SmtUtils]: Spent 238.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 15:15:51,753 WARN L193 SmtUtils]: Spent 207.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 15:15:51,982 WARN L193 SmtUtils]: Spent 201.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 15:15:52,239 WARN L193 SmtUtils]: Spent 236.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 15:15:53,005 WARN L193 SmtUtils]: Spent 200.00 ms on a formula simplification that was a NOOP. DAG size: 190 [2020-08-18 15:15:54,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:15:54,093 INFO L93 Difference]: Finished difference Result 298 states and 378 transitions. [2020-08-18 15:15:54,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 15:15:54,094 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 56 [2020-08-18 15:15:54,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:15:54,099 INFO L225 Difference]: With dead ends: 298 [2020-08-18 15:15:54,099 INFO L226 Difference]: Without dead ends: 240 [2020-08-18 15:15:54,100 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 18 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=75, Invalid=165, Unknown=0, NotChecked=0, Total=240 [2020-08-18 15:15:54,101 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-18 15:15:54,160 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 175. [2020-08-18 15:15:54,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 175 states. [2020-08-18 15:15:54,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 175 states to 175 states and 210 transitions. [2020-08-18 15:15:54,162 INFO L78 Accepts]: Start accepts. Automaton has 175 states and 210 transitions. Word has length 56 [2020-08-18 15:15:54,163 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:15:54,163 INFO L479 AbstractCegarLoop]: Abstraction has 175 states and 210 transitions. [2020-08-18 15:15:54,163 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 15:15:54,163 INFO L276 IsEmpty]: Start isEmpty. Operand 175 states and 210 transitions. [2020-08-18 15:15:54,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2020-08-18 15:15:54,165 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:15:54,165 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] [2020-08-18 15:15:54,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 15:15:54,165 INFO L427 AbstractCegarLoop]: === Iteration 4 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:15:54,166 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:15:54,166 INFO L82 PathProgramCache]: Analyzing trace with hash -1261077216, now seen corresponding path program 1 times [2020-08-18 15:15:54,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:15:54,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [561166138] [2020-08-18 15:15:54,167 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:15:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:54,516 WARN L193 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:15:54,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:15:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:54,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:15:54,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:54,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:15:54,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:54,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:15:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:54,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:15:54,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:54,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 15:15:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:54,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2020-08-18 15:15:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:54,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2020-08-18 15:15:54,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:54,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 50 [2020-08-18 15:15:54,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:54,594 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:15:54,594 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [561166138] [2020-08-18 15:15:54,595 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:15:54,595 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2020-08-18 15:15:54,595 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1937749012] [2020-08-18 15:15:54,596 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 15:15:54,596 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:15:54,596 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 15:15:54,596 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-18 15:15:54,597 INFO L87 Difference]: Start difference. First operand 175 states and 210 transitions. Second operand 8 states. [2020-08-18 15:15:55,042 WARN L193 SmtUtils]: Spent 202.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 15:15:56,025 WARN L193 SmtUtils]: Spent 230.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 15:15:56,293 WARN L193 SmtUtils]: Spent 209.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 15:15:56,546 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 15:15:56,784 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 15:15:57,281 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:15:57,281 INFO L93 Difference]: Finished difference Result 521 states and 681 transitions. [2020-08-18 15:15:57,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 15:15:57,282 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 59 [2020-08-18 15:15:57,283 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:15:57,287 INFO L225 Difference]: With dead ends: 521 [2020-08-18 15:15:57,287 INFO L226 Difference]: Without dead ends: 374 [2020-08-18 15:15:57,290 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=59, Invalid=151, Unknown=0, NotChecked=0, Total=210 [2020-08-18 15:15:57,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2020-08-18 15:15:57,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 298. [2020-08-18 15:15:57,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 298 states. [2020-08-18 15:15:57,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 298 states to 298 states and 360 transitions. [2020-08-18 15:15:57,369 INFO L78 Accepts]: Start accepts. Automaton has 298 states and 360 transitions. Word has length 59 [2020-08-18 15:15:57,370 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:15:57,370 INFO L479 AbstractCegarLoop]: Abstraction has 298 states and 360 transitions. [2020-08-18 15:15:57,370 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 15:15:57,370 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 360 transitions. [2020-08-18 15:15:57,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2020-08-18 15:15:57,372 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 15:15:57,372 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] [2020-08-18 15:15:57,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 15:15:57,373 INFO L427 AbstractCegarLoop]: === Iteration 5 === [__automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 15:15:57,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 15:15:57,373 INFO L82 PathProgramCache]: Analyzing trace with hash 1219688068, now seen corresponding path program 1 times [2020-08-18 15:15:57,373 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 15:15:57,374 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1019502263] [2020-08-18 15:15:57,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 15:15:57,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,648 WARN L193 SmtUtils]: Spent 186.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:15:57,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 15:15:57,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2020-08-18 15:15:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 15:15:57,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 15:15:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 18 [2020-08-18 15:15:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 15:15:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2020-08-18 15:15:57,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 43 [2020-08-18 15:15:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2020-08-18 15:15:57,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2020-08-18 15:15:57,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 15:15:57,772 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 15:15:57,773 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1019502263] [2020-08-18 15:15:57,773 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 15:15:57,773 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2020-08-18 15:15:57,773 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273354015] [2020-08-18 15:15:57,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 15:15:57,774 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 15:15:57,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 15:15:57,775 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 15:15:57,775 INFO L87 Difference]: Start difference. First operand 298 states and 360 transitions. Second operand 9 states. [2020-08-18 15:15:58,220 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 189 [2020-08-18 15:15:59,129 WARN L193 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 15:15:59,409 WARN L193 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 15:15:59,689 WARN L193 SmtUtils]: Spent 228.00 ms on a formula simplification that was a NOOP. DAG size: 191 [2020-08-18 15:15:59,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 15:15:59,978 INFO L93 Difference]: Finished difference Result 613 states and 806 transitions. [2020-08-18 15:15:59,983 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 15:15:59,983 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 63 [2020-08-18 15:15:59,984 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 15:15:59,984 INFO L225 Difference]: With dead ends: 613 [2020-08-18 15:15:59,984 INFO L226 Difference]: Without dead ends: 0 [2020-08-18 15:15:59,993 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 38 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=81, Invalid=191, Unknown=0, NotChecked=0, Total=272 [2020-08-18 15:15:59,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2020-08-18 15:15:59,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2020-08-18 15:15:59,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2020-08-18 15:15:59,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2020-08-18 15:15:59,995 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 63 [2020-08-18 15:15:59,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 15:15:59,995 INFO L479 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-08-18 15:15:59,995 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 15:15:59,995 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2020-08-18 15:15:59,995 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-08-18 15:15:59,995 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 15:15:59,997 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2020-08-18 15:16:03,495 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 15:16:03,660 WARN L193 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 15:16:03,986 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 15:16:04,476 WARN L193 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 15 [2020-08-18 15:16:04,658 WARN L193 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 15:16:04,994 WARN L193 SmtUtils]: Spent 309.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-08-18 15:16:05,182 WARN L193 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 15:16:05,354 WARN L193 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 27 [2020-08-18 15:16:05,509 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 15 [2020-08-18 15:16:05,677 WARN L193 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 15:16:05,886 WARN L193 SmtUtils]: Spent 206.00 ms on a formula simplification that was a NOOP. DAG size: 187 [2020-08-18 15:16:06,042 WARN L193 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 1 [2020-08-18 15:16:06,216 WARN L193 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 15:16:06,546 WARN L193 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 12 [2020-08-18 15:16:06,718 WARN L193 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 25 [2020-08-18 15:16:06,869 WARN L193 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 1 [2020-08-18 15:16:07,182 WARN L193 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 8 [2020-08-18 15:16:07,363 WARN L193 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 1 [2020-08-18 15:16:07,705 WARN L193 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 13 [2020-08-18 15:16:08,018 WARN L193 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 15:16:08,325 WARN L193 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 11 [2020-08-18 15:16:08,639 WARN L193 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 8 [2020-08-18 15:16:08,652 INFO L268 CegarLoopResult]: For program point L161(lines 161 165) no Hoare annotation was computed. [2020-08-18 15:16:08,653 INFO L268 CegarLoopResult]: For program point L161-1(lines 161 165) no Hoare annotation was computed. [2020-08-18 15:16:08,653 INFO L268 CegarLoopResult]: For program point L156(line 156) no Hoare annotation was computed. [2020-08-18 15:16:08,653 INFO L268 CegarLoopResult]: For program point L155-2(lines 155 176) no Hoare annotation was computed. [2020-08-18 15:16:08,653 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeFINAL(lines 130 185) no Hoare annotation was computed. [2020-08-18 15:16:08,653 INFO L268 CegarLoopResult]: For program point L177(lines 154 178) no Hoare annotation was computed. [2020-08-18 15:16:08,653 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeEXIT(lines 130 185) no Hoare annotation was computed. [2020-08-18 15:16:08,654 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_freeENTRY(lines 130 185) no Hoare annotation was computed. [2020-08-18 15:16:08,654 INFO L268 CegarLoopResult]: For program point L218(lines 218 222) no Hoare annotation was computed. [2020-08-18 15:16:08,654 INFO L268 CegarLoopResult]: For program point L218-1(lines 218 222) no Hoare annotation was computed. [2020-08-18 15:16:08,654 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetFINAL(lines 186 245) no Hoare annotation was computed. [2020-08-18 15:16:08,654 INFO L268 CegarLoopResult]: For program point L213(line 213) no Hoare annotation was computed. [2020-08-18 15:16:08,655 INFO L268 CegarLoopResult]: For program point L212-2(lines 212 237) no Hoare annotation was computed. [2020-08-18 15:16:08,655 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetENTRY(lines 186 245) no Hoare annotation was computed. [2020-08-18 15:16:08,655 INFO L268 CegarLoopResult]: For program point L238(lines 211 239) no Hoare annotation was computed. [2020-08-18 15:16:08,655 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_resetEXIT(lines 186 245) no Hoare annotation was computed. [2020-08-18 15:16:08,655 INFO L268 CegarLoopResult]: For program point L231(line 231) no Hoare annotation was computed. [2020-08-18 15:16:08,655 INFO L268 CegarLoopResult]: For program point L231-1(line 231) no Hoare annotation was computed. [2020-08-18 15:16:08,655 INFO L271 CegarLoopResult]: At program point select_helpersFINAL(lines 61 67) the Hoare annotation is: true [2020-08-18 15:16:08,656 INFO L268 CegarLoopResult]: For program point select_helpersEXIT(lines 61 67) no Hoare annotation was computed. [2020-08-18 15:16:08,656 INFO L268 CegarLoopResult]: For program point valid_productEXIT(lines 68 76) no Hoare annotation was computed. [2020-08-18 15:16:08,656 INFO L271 CegarLoopResult]: At program point valid_productENTRY(lines 68 76) the Hoare annotation is: true [2020-08-18 15:16:08,656 INFO L268 CegarLoopResult]: For program point valid_productFINAL(lines 68 76) no Hoare annotation was computed. [2020-08-18 15:16:08,656 INFO L264 CegarLoopResult]: At program point mainENTRY(lines 866 888) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:16:08,656 INFO L268 CegarLoopResult]: For program point mainEXIT(lines 866 888) no Hoare annotation was computed. [2020-08-18 15:16:08,656 INFO L264 CegarLoopResult]: At program point L878(line 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 15:16:08,657 INFO L264 CegarLoopResult]: At program point L878-1(line 878) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= main_~tmp~6 ~systemActive~0) (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 15:16:08,657 INFO L268 CegarLoopResult]: For program point mainFINAL(lines 866 888) no Hoare annotation was computed. [2020-08-18 15:16:08,657 INFO L268 CegarLoopResult]: For program point L876(lines 876 883) no Hoare annotation was computed. [2020-08-18 15:16:08,657 INFO L268 CegarLoopResult]: For program point L876-1(lines 876 883) no Hoare annotation was computed. [2020-08-18 15:16:08,657 INFO L268 CegarLoopResult]: For program point L874(line 874) no Hoare annotation was computed. [2020-08-18 15:16:08,657 INFO L264 CegarLoopResult]: At program point L873(line 873) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:16:08,657 INFO L264 CegarLoopResult]: At program point L872(line 872) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:16:08,658 INFO L264 CegarLoopResult]: At program point L872-1(line 872) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:16:08,658 INFO L268 CegarLoopResult]: For program point L833(line 833) no Hoare annotation was computed. [2020-08-18 15:16:08,658 INFO L268 CegarLoopResult]: For program point L832(line 832) no Hoare annotation was computed. [2020-08-18 15:16:08,658 INFO L268 CegarLoopResult]: For program point Specification2EXIT(lines 824 847) no Hoare annotation was computed. [2020-08-18 15:16:08,658 INFO L268 CegarLoopResult]: For program point L831(line 831) no Hoare annotation was computed. [2020-08-18 15:16:08,658 INFO L268 CegarLoopResult]: For program point L830(line 830) no Hoare annotation was computed. [2020-08-18 15:16:08,658 INFO L268 CegarLoopResult]: For program point L829(line 829) no Hoare annotation was computed. [2020-08-18 15:16:08,658 INFO L268 CegarLoopResult]: For program point Specification2ENTRY(lines 824 847) no Hoare annotation was computed. [2020-08-18 15:16:08,659 INFO L268 CegarLoopResult]: For program point Specification2FINAL(lines 824 847) no Hoare annotation was computed. [2020-08-18 15:16:08,659 INFO L268 CegarLoopResult]: For program point L842(line 842) no Hoare annotation was computed. [2020-08-18 15:16:08,659 INFO L268 CegarLoopResult]: For program point L841(line 841) no Hoare annotation was computed. [2020-08-18 15:16:08,659 INFO L268 CegarLoopResult]: For program point L840(line 840) no Hoare annotation was computed. [2020-08-18 15:16:08,659 INFO L268 CegarLoopResult]: For program point L839(line 839) no Hoare annotation was computed. [2020-08-18 15:16:08,659 INFO L268 CegarLoopResult]: For program point L838(line 838) no Hoare annotation was computed. [2020-08-18 15:16:08,659 INFO L268 CegarLoopResult]: For program point L837(line 837) no Hoare annotation was computed. [2020-08-18 15:16:08,659 INFO L268 CegarLoopResult]: For program point L836(line 836) no Hoare annotation was computed. [2020-08-18 15:16:08,659 INFO L268 CegarLoopResult]: For program point L835(line 835) no Hoare annotation was computed. [2020-08-18 15:16:08,660 INFO L268 CegarLoopResult]: For program point L834(line 834) no Hoare annotation was computed. [2020-08-18 15:16:08,660 INFO L268 CegarLoopResult]: For program point stopSystemEXIT(lines 578 592) no Hoare annotation was computed. [2020-08-18 15:16:08,660 INFO L264 CegarLoopResult]: At program point L584(line 584) the Hoare annotation is: (not (= |old(~pumpRunning~0)| 0)) [2020-08-18 15:16:08,660 INFO L268 CegarLoopResult]: For program point L582(lines 582 588) no Hoare annotation was computed. [2020-08-18 15:16:08,660 INFO L264 CegarLoopResult]: At program point stopSystemENTRY(lines 578 592) the Hoare annotation is: (or (not (= |old(~pumpRunning~0)| 0)) (and (= |old(~systemActive~0)| ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|))) [2020-08-18 15:16:08,660 INFO L268 CegarLoopResult]: For program point stopSystemFINAL(lines 578 592) no Hoare annotation was computed. [2020-08-18 15:16:08,660 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseEXIT(lines 488 495) no Hoare annotation was computed. [2020-08-18 15:16:08,660 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseENTRY(lines 488 495) no Hoare annotation was computed. [2020-08-18 15:16:08,661 INFO L268 CegarLoopResult]: For program point activatePump__wrappee__baseFINAL(lines 488 495) no Hoare annotation was computed. [2020-08-18 15:16:08,661 INFO L268 CegarLoopResult]: For program point isPumpRunningEXIT(lines 533 541) no Hoare annotation was computed. [2020-08-18 15:16:08,661 INFO L271 CegarLoopResult]: At program point isPumpRunningENTRY(lines 533 541) the Hoare annotation is: true [2020-08-18 15:16:08,661 INFO L268 CegarLoopResult]: For program point isPumpRunningFINAL(lines 533 541) no Hoare annotation was computed. [2020-08-18 15:16:08,661 INFO L268 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2020-08-18 15:16:08,661 INFO L268 CegarLoopResult]: For program point L572-1(line 572) no Hoare annotation was computed. [2020-08-18 15:16:08,661 INFO L268 CegarLoopResult]: For program point L561(lines 561 569) no Hoare annotation was computed. [2020-08-18 15:16:08,661 INFO L268 CegarLoopResult]: For program point L561-2(lines 561 569) no Hoare annotation was computed. [2020-08-18 15:16:08,661 INFO L268 CegarLoopResult]: For program point printPumpFINAL(lines 542 577) no Hoare annotation was computed. [2020-08-18 15:16:08,662 INFO L268 CegarLoopResult]: For program point printPumpENTRY(lines 542 577) no Hoare annotation was computed. [2020-08-18 15:16:08,662 INFO L268 CegarLoopResult]: For program point L549(lines 549 557) no Hoare annotation was computed. [2020-08-18 15:16:08,662 INFO L268 CegarLoopResult]: For program point L549-2(lines 549 557) no Hoare annotation was computed. [2020-08-18 15:16:08,662 INFO L268 CegarLoopResult]: For program point printPumpEXIT(lines 542 577) no Hoare annotation was computed. [2020-08-18 15:16:08,662 INFO L268 CegarLoopResult]: For program point select_featuresEXIT(lines 54 60) no Hoare annotation was computed. [2020-08-18 15:16:08,662 INFO L271 CegarLoopResult]: At program point select_featuresFINAL(lines 54 60) the Hoare annotation is: true [2020-08-18 15:16:08,662 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setENTRY(lines 84 129) no Hoare annotation was computed. [2020-08-18 15:16:08,662 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setEXIT(lines 84 129) no Hoare annotation was computed. [2020-08-18 15:16:08,662 INFO L268 CegarLoopResult]: For program point __utac__exception__cf_handler_setFINAL(lines 84 129) no Hoare annotation was computed. [2020-08-18 15:16:08,662 INFO L268 CegarLoopResult]: For program point L417(lines 417 424) no Hoare annotation was computed. [2020-08-18 15:16:08,663 INFO L268 CegarLoopResult]: For program point L411(lines 411 431) no Hoare annotation was computed. [2020-08-18 15:16:08,663 INFO L268 CegarLoopResult]: For program point L411-1(lines 411 431) no Hoare annotation was computed. [2020-08-18 15:16:08,663 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeFINAL(lines 397 442) no Hoare annotation was computed. [2020-08-18 15:16:08,663 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeENTRY(lines 397 442) no Hoare annotation was computed. [2020-08-18 15:16:08,663 INFO L268 CegarLoopResult]: For program point __utac__get_this_argtypeEXIT(lines 397 442) no Hoare annotation was computed. [2020-08-18 15:16:08,663 INFO L264 CegarLoopResult]: At program point runTestENTRY(lines 855 865) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:16:08,663 INFO L264 CegarLoopResult]: At program point L860(line 860) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= 1 ~systemActive~0) (= ~pumpRunning~0 0) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0))) [2020-08-18 15:16:08,663 INFO L268 CegarLoopResult]: For program point runTestEXIT(lines 855 865) no Hoare annotation was computed. [2020-08-18 15:16:08,663 INFO L268 CegarLoopResult]: For program point runTestFINAL(lines 855 865) no Hoare annotation was computed. [2020-08-18 15:16:08,663 INFO L268 CegarLoopResult]: For program point isMethaneAlarmENTRY(lines 522 532) no Hoare annotation was computed. [2020-08-18 15:16:08,663 INFO L268 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2020-08-18 15:16:08,663 INFO L268 CegarLoopResult]: For program point L527-1(line 527) no Hoare annotation was computed. [2020-08-18 15:16:08,664 INFO L268 CegarLoopResult]: For program point isMethaneAlarmEXIT(lines 522 532) no Hoare annotation was computed. [2020-08-18 15:16:08,664 INFO L268 CegarLoopResult]: For program point isMethaneAlarmFINAL(lines 522 532) no Hoare annotation was computed. [2020-08-18 15:16:08,664 INFO L271 CegarLoopResult]: At program point deactivatePumpENTRY(lines 514 521) the Hoare annotation is: true [2020-08-18 15:16:08,664 INFO L268 CegarLoopResult]: For program point deactivatePumpEXIT(lines 514 521) no Hoare annotation was computed. [2020-08-18 15:16:08,664 INFO L268 CegarLoopResult]: For program point deactivatePumpFINAL(lines 514 521) no Hoare annotation was computed. [2020-08-18 15:16:08,664 INFO L268 CegarLoopResult]: For program point processEnvironmentEXIT(lines 481 487) no Hoare annotation was computed. [2020-08-18 15:16:08,664 INFO L271 CegarLoopResult]: At program point processEnvironmentFINAL(lines 481 487) the Hoare annotation is: true [2020-08-18 15:16:08,664 INFO L268 CegarLoopResult]: For program point L609(lines 609 613) no Hoare annotation was computed. [2020-08-18 15:16:08,664 INFO L264 CegarLoopResult]: At program point testENTRY(lines 597 662) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= ~methaneLevelCritical~0 0) (= 1 ~systemActive~0) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:16:08,664 INFO L268 CegarLoopResult]: For program point testFINAL(lines 597 662) no Hoare annotation was computed. [2020-08-18 15:16:08,664 INFO L264 CegarLoopResult]: At program point L655(lines 606 656) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0))) [2020-08-18 15:16:08,665 INFO L264 CegarLoopResult]: At program point L645(line 645) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:16:08,665 INFO L268 CegarLoopResult]: For program point L643(lines 643 649) no Hoare annotation was computed. [2020-08-18 15:16:08,665 INFO L264 CegarLoopResult]: At program point L643-1(lines 637 650) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:16:08,665 INFO L268 CegarLoopResult]: For program point L608(lines 607 654) no Hoare annotation was computed. [2020-08-18 15:16:08,665 INFO L268 CegarLoopResult]: For program point L637(lines 637 650) no Hoare annotation was computed. [2020-08-18 15:16:08,665 INFO L264 CegarLoopResult]: At program point L629(line 629) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:16:08,665 INFO L268 CegarLoopResult]: For program point L627(lines 627 633) no Hoare annotation was computed. [2020-08-18 15:16:08,665 INFO L268 CegarLoopResult]: For program point L627-1(lines 627 633) no Hoare annotation was computed. [2020-08-18 15:16:08,666 INFO L264 CegarLoopResult]: At program point L652(lines 607 654) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:16:08,666 INFO L264 CegarLoopResult]: At program point L619(line 619) the Hoare annotation is: (or (not (= |old(~systemActive~0)| 1)) (not (= |old(~pumpRunning~0)| 0)) (not (= |old(~methaneLevelCritical~0)| 0)) (and (= ~pumpRunning~0 0) (= test_~splverifierCounter~0 0))) [2020-08-18 15:16:08,666 INFO L268 CegarLoopResult]: For program point L617(lines 617 623) no Hoare annotation was computed. [2020-08-18 15:16:08,666 INFO L268 CegarLoopResult]: For program point L617-1(lines 617 623) no Hoare annotation was computed. [2020-08-18 15:16:08,666 INFO L268 CegarLoopResult]: For program point testEXIT(lines 597 662) no Hoare annotation was computed. [2020-08-18 15:16:08,666 INFO L268 CegarLoopResult]: For program point __utac__get_this_argENTRY(lines 351 396) no Hoare annotation was computed. [2020-08-18 15:16:08,666 INFO L268 CegarLoopResult]: For program point __utac__get_this_argEXIT(lines 351 396) no Hoare annotation was computed. [2020-08-18 15:16:08,666 INFO L268 CegarLoopResult]: For program point L371(lines 371 378) no Hoare annotation was computed. [2020-08-18 15:16:08,667 INFO L268 CegarLoopResult]: For program point __utac__get_this_argFINAL(lines 351 396) no Hoare annotation was computed. [2020-08-18 15:16:08,667 INFO L268 CegarLoopResult]: For program point L365(lines 365 385) no Hoare annotation was computed. [2020-08-18 15:16:08,667 INFO L268 CegarLoopResult]: For program point L365-1(lines 365 385) no Hoare annotation was computed. [2020-08-18 15:16:08,667 INFO L264 CegarLoopResult]: At program point L697(line 697) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 15:16:08,667 INFO L268 CegarLoopResult]: For program point L695(lines 695 701) no Hoare annotation was computed. [2020-08-18 15:16:08,667 INFO L268 CegarLoopResult]: For program point L694(lines 694 704) no Hoare annotation was computed. [2020-08-18 15:16:08,667 INFO L264 CegarLoopResult]: At program point L692(line 692) the Hoare annotation is: (let ((.cse0 (not (= ~pumpRunning~0 0)))) (and (or .cse0 (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (or .cse0 (not (= ~methaneLevelCritical~0 0))))) [2020-08-18 15:16:08,667 INFO L268 CegarLoopResult]: For program point L692-1(line 692) no Hoare annotation was computed. [2020-08-18 15:16:08,667 INFO L268 CegarLoopResult]: For program point L690(lines 690 707) no Hoare annotation was computed. [2020-08-18 15:16:08,667 INFO L268 CegarLoopResult]: For program point L690-1(lines 682 710) no Hoare annotation was computed. [2020-08-18 15:16:08,667 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__2ENTRY(lines 682 710) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 15:16:08,668 INFO L264 CegarLoopResult]: At program point L688(line 688) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 15:16:08,668 INFO L268 CegarLoopResult]: For program point L688-1(line 688) no Hoare annotation was computed. [2020-08-18 15:16:08,668 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__2EXIT(lines 682 710) no Hoare annotation was computed. [2020-08-18 15:16:08,668 INFO L268 CegarLoopResult]: For program point L768(lines 768 776) no Hoare annotation was computed. [2020-08-18 15:16:08,668 INFO L268 CegarLoopResult]: For program point L768-2(lines 768 776) no Hoare annotation was computed. [2020-08-18 15:16:08,668 INFO L268 CegarLoopResult]: For program point printEnvironmentEXIT(lines 760 782) no Hoare annotation was computed. [2020-08-18 15:16:08,668 INFO L268 CegarLoopResult]: For program point printEnvironmentENTRY(lines 760 782) no Hoare annotation was computed. [2020-08-18 15:16:08,668 INFO L268 CegarLoopResult]: For program point printEnvironmentFINAL(lines 760 782) no Hoare annotation was computed. [2020-08-18 15:16:08,668 INFO L264 CegarLoopResult]: At program point __utac_acc__Specification2_spec__1ENTRY(lines 674 681) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (not (= ~methaneLevelCritical~0 0)) (not (= 1 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) [2020-08-18 15:16:08,668 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1FINAL(lines 674 681) no Hoare annotation was computed. [2020-08-18 15:16:08,668 INFO L268 CegarLoopResult]: For program point __utac_acc__Specification2_spec__1EXIT(lines 674 681) no Hoare annotation was computed. [2020-08-18 15:16:08,668 INFO L268 CegarLoopResult]: For program point select_oneENTRY(lines 44 53) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point select_oneFINAL(lines 44 53) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point select_oneEXIT(lines 44 53) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtENTRY(lines 248 350) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point L318(lines 296 319) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point L277(lines 277 293) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point L337(lines 337 344) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point L298(lines 297 317) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point L329(line 329) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point L329-1(line 329) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point L294(lines 294 335) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtFINAL(lines 248 350) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point L313(line 313) no Hoare annotation was computed. [2020-08-18 15:16:08,669 INFO L268 CegarLoopResult]: For program point L313-1(line 313) no Hoare annotation was computed. [2020-08-18 15:16:08,670 INFO L268 CegarLoopResult]: For program point __utac__error_stack_mgtEXIT(lines 248 350) no Hoare annotation was computed. [2020-08-18 15:16:08,670 INFO L268 CegarLoopResult]: For program point L272(lines 272 276) no Hoare annotation was computed. [2020-08-18 15:16:08,670 INFO L268 CegarLoopResult]: For program point L336(lines 336 347) no Hoare annotation was computed. [2020-08-18 15:16:08,670 INFO L268 CegarLoopResult]: For program point L299(lines 299 303) no Hoare annotation was computed. [2020-08-18 15:16:08,670 INFO L268 CegarLoopResult]: For program point L297-2(lines 297 317) no Hoare annotation was computed. [2020-08-18 15:16:08,670 INFO L268 CegarLoopResult]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:16:08,670 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~string29.offset| |old(#t~string29.offset)|) (= |old(#valid)| |#valid|) (= |#t~string41.base| |old(#t~string41.base)|) (= |#t~string39.offset| |old(#t~string39.offset)|) (= |#t~string61.base| |old(#t~string61.base)|) (= |#t~string30.offset| |old(#t~string30.offset)|) (= |#t~string49.base| |old(#t~string49.base)|) (= |#t~string32.base| |old(#t~string32.base)|) (= |#t~string28.base| |old(#t~string28.base)|) (= |#t~string31.base| |old(#t~string31.base)|) (= |#t~string69.base| |old(#t~string69.base)|) (= |#t~string21.base| |old(#t~string21.base)|) (= ~head~0.base |old(~head~0.base)|) (= |#t~string24.offset| |old(#t~string24.offset)|) (= |#t~string39.base| |old(#t~string39.base)|) (= |#t~string19.offset| |old(#t~string19.offset)|) (= |#t~string65.offset| |old(#t~string65.offset)|) (= |#t~string67.base| |old(#t~string67.base)|) (= |#t~string29.base| |old(#t~string29.base)|) (= |#t~string21.offset| |old(#t~string21.offset)|) (= |#t~string53.base| |old(#t~string53.base)|) (= ~systemActive~0 |old(~systemActive~0)|) (= |#t~string51.base| |old(#t~string51.base)|) (= ~methaneLevelCritical~0 |old(~methaneLevelCritical~0)|) (= |#t~string63.base| |old(#t~string63.base)|) (= |#t~string24.base| |old(#t~string24.base)|) (= |#t~string51.offset| |old(#t~string51.offset)|) (= |#t~string53.offset| |old(#t~string53.offset)|) (= |#t~string23.offset| |old(#t~string23.offset)|) (= ~head~0.offset |old(~head~0.offset)|) (= |#t~string33.base| |old(#t~string33.base)|) (= |#t~string20.base| |old(#t~string20.base)|) (= |#t~string22.offset| |old(#t~string22.offset)|) (= |#t~string28.offset| |old(#t~string28.offset)|) (= |#t~string19.base| |old(#t~string19.base)|) (= |#t~string43.offset| |old(#t~string43.offset)|) (= ~methAndRunningLastTime~0 |old(~methAndRunningLastTime~0)|) (= |#t~string61.offset| |old(#t~string61.offset)|) (= |#t~string22.base| |old(#t~string22.base)|) (= |#t~string23.base| |old(#t~string23.base)|) (= |#t~string45.base| |old(#t~string45.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~string63.offset| |old(#t~string63.offset)|) (= ~cleanupTimeShifts~0 |old(~cleanupTimeShifts~0)|) (= |#t~string43.base| |old(#t~string43.base)|) (= |#t~string41.offset| |old(#t~string41.offset)|) (= |#t~string31.offset| |old(#t~string31.offset)|) (= |#t~string33.offset| |old(#t~string33.offset)|) (= |#t~string30.base| |old(#t~string30.base)|) (= |#t~string20.offset| |old(#t~string20.offset)|) (= |#t~string32.offset| |old(#t~string32.offset)|) (= ~pumpRunning~0 |old(~pumpRunning~0)|) (= |#t~string47.base| |old(#t~string47.base)|) (= |#NULL.offset| |old(#NULL.offset)|)) [2020-08-18 15:16:08,670 INFO L268 CegarLoopResult]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:16:08,670 INFO L268 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2020-08-18 15:16:08,670 INFO L268 CegarLoopResult]: For program point activatePumpEXIT(lines 497 513) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point L508-1(lines 497 513) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point activatePumpENTRY(lines 497 513) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point L504(lines 504 510) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point L502-1(line 502) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point getWaterLevelENTRY(lines 783 791) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point getWaterLevelFINAL(lines 783 791) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point getWaterLevelEXIT(lines 783 791) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intENTRY(line -1) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L268 CegarLoopResult]: For program point ##fun~int~X~int~TO~intFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:16:08,671 INFO L264 CegarLoopResult]: At program point changeMethaneLevelENTRY(lines 739 750) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (= |old(~methaneLevelCritical~0)| ~methaneLevelCritical~0)) [2020-08-18 15:16:08,672 INFO L268 CegarLoopResult]: For program point L743-1(lines 739 750) no Hoare annotation was computed. [2020-08-18 15:16:08,672 INFO L268 CegarLoopResult]: For program point changeMethaneLevelEXIT(lines 739 750) no Hoare annotation was computed. [2020-08-18 15:16:08,672 INFO L271 CegarLoopResult]: At program point isMethaneLevelCriticalENTRY(lines 751 759) the Hoare annotation is: true [2020-08-18 15:16:08,672 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalFINAL(lines 751 759) no Hoare annotation was computed. [2020-08-18 15:16:08,672 INFO L268 CegarLoopResult]: For program point isMethaneLevelCriticalEXIT(lines 751 759) no Hoare annotation was computed. [2020-08-18 15:16:08,672 INFO L264 CegarLoopResult]: At program point L470(line 470) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (not (= 0 ~systemActive~0)) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 15:16:08,672 INFO L264 CegarLoopResult]: At program point L468(lines 468 474) the Hoare annotation is: (or (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0)) (not (= ~pumpRunning~0 0))) [2020-08-18 15:16:08,672 INFO L264 CegarLoopResult]: At program point timeShiftENTRY(lines 457 480) the Hoare annotation is: (or (not (= ~pumpRunning~0 0)) (and (= |old(~waterLevel~0)| ~waterLevel~0) (= |old(~methAndRunningLastTime~0)| ~methAndRunningLastTime~0))) [2020-08-18 15:16:08,672 INFO L264 CegarLoopResult]: At program point L463(line 463) the Hoare annotation is: (not (= ~pumpRunning~0 0)) [2020-08-18 15:16:08,673 INFO L268 CegarLoopResult]: For program point L461(lines 460 479) no Hoare annotation was computed. [2020-08-18 15:16:08,673 INFO L268 CegarLoopResult]: For program point timeShiftEXIT(lines 457 480) no Hoare annotation was computed. [2020-08-18 15:16:08,673 INFO L268 CegarLoopResult]: For program point timeShiftFINAL(lines 457 480) no Hoare annotation was computed. [2020-08-18 15:16:08,673 INFO L271 CegarLoopResult]: At program point L800(line 800) the Hoare annotation is: true [2020-08-18 15:16:08,673 INFO L268 CegarLoopResult]: For program point cleanupEXIT(lines 794 823) no Hoare annotation was computed. [2020-08-18 15:16:08,673 INFO L268 CegarLoopResult]: For program point L800-1(line 800) no Hoare annotation was computed. [2020-08-18 15:16:08,673 INFO L271 CegarLoopResult]: At program point cleanupENTRY(lines 794 823) the Hoare annotation is: true [2020-08-18 15:16:08,673 INFO L271 CegarLoopResult]: At program point L819(lines 794 823) the Hoare annotation is: true [2020-08-18 15:16:08,674 INFO L268 CegarLoopResult]: For program point L815(line 815) no Hoare annotation was computed. [2020-08-18 15:16:08,674 INFO L268 CegarLoopResult]: For program point L808(lines 808 812) no Hoare annotation was computed. [2020-08-18 15:16:08,674 INFO L271 CegarLoopResult]: At program point L808-1(lines 808 812) the Hoare annotation is: true [2020-08-18 15:16:08,674 INFO L268 CegarLoopResult]: For program point L805(line 805) no Hoare annotation was computed. [2020-08-18 15:16:08,674 INFO L271 CegarLoopResult]: At program point L804-2(lines 804 818) the Hoare annotation is: true [2020-08-18 15:16:08,674 INFO L271 CegarLoopResult]: At program point lowerWaterLevelENTRY(lines 715 726) the Hoare annotation is: true [2020-08-18 15:16:08,674 INFO L268 CegarLoopResult]: For program point L719-1(lines 715 726) no Hoare annotation was computed. [2020-08-18 15:16:08,674 INFO L268 CegarLoopResult]: For program point lowerWaterLevelEXIT(lines 715 726) no Hoare annotation was computed. [2020-08-18 15:16:08,675 INFO L268 CegarLoopResult]: For program point setupEXIT(lines 848 854) no Hoare annotation was computed. [2020-08-18 15:16:08,675 INFO L271 CegarLoopResult]: At program point setupFINAL(lines 848 854) the Hoare annotation is: true [2020-08-18 15:16:08,675 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-08-18 15:16:08,675 INFO L264 CegarLoopResult]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~systemActive~0) (= ~methaneLevelCritical~0 0) (= ~pumpRunning~0 0)) [2020-08-18 15:16:08,675 INFO L271 CegarLoopResult]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2020-08-18 15:16:08,675 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-08-18 15:16:08,675 INFO L268 CegarLoopResult]: For program point waterRiseEXIT(lines 727 738) no Hoare annotation was computed. [2020-08-18 15:16:08,675 INFO L268 CegarLoopResult]: For program point L731-1(lines 727 738) no Hoare annotation was computed. [2020-08-18 15:16:08,676 INFO L264 CegarLoopResult]: At program point waterRiseENTRY(lines 727 738) the Hoare annotation is: (or (= |old(~waterLevel~0)| ~waterLevel~0) (not (= ~pumpRunning~0 0))) [2020-08-18 15:16:08,676 INFO L268 CegarLoopResult]: For program point __automaton_failFINAL(lines 664 671) no Hoare annotation was computed. [2020-08-18 15:16:08,676 INFO L268 CegarLoopResult]: For program point __automaton_failErr0ASSERT_VIOLATIONERROR_FUNCTION(line 668) no Hoare annotation was computed. [2020-08-18 15:16:08,676 INFO L271 CegarLoopResult]: At program point __automaton_failENTRY(lines 664 671) the Hoare annotation is: true [2020-08-18 15:16:08,676 INFO L268 CegarLoopResult]: For program point __automaton_failEXIT(lines 664 671) no Hoare annotation was computed. [2020-08-18 15:16:08,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.08 03:16:08 BoogieIcfgContainer [2020-08-18 15:16:08,697 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-08-18 15:16:08,705 INFO L168 Benchmark]: Toolchain (without parser) took 23485.80 ms. Allocated memory was 140.0 MB in the beginning and 589.8 MB in the end (delta: 449.8 MB). Free memory was 102.2 MB in the beginning and 107.6 MB in the end (delta: -5.4 MB). Peak memory consumption was 469.2 MB. Max. memory is 7.1 GB. [2020-08-18 15:16:08,706 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-08-18 15:16:08,707 INFO L168 Benchmark]: CACSL2BoogieTranslator took 657.79 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 102.0 MB in the beginning and 170.0 MB in the end (delta: -68.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. [2020-08-18 15:16:08,707 INFO L168 Benchmark]: Boogie Preprocessor took 94.80 ms. Allocated memory is still 202.9 MB. Free memory was 170.0 MB in the beginning and 166.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. [2020-08-18 15:16:08,709 INFO L168 Benchmark]: RCFGBuilder took 1132.53 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 166.0 MB in the beginning and 196.3 MB in the end (delta: -30.3 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. [2020-08-18 15:16:08,713 INFO L168 Benchmark]: TraceAbstraction took 21595.66 ms. Allocated memory was 235.4 MB in the beginning and 589.8 MB in the end (delta: 354.4 MB). Free memory was 194.9 MB in the beginning and 107.6 MB in the end (delta: 87.3 MB). Peak memory consumption was 466.5 MB. Max. memory is 7.1 GB. [2020-08-18 15:16:08,719 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 140.0 MB. Free memory was 121.5 MB in the beginning and 121.3 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 657.79 ms. Allocated memory was 140.0 MB in the beginning and 202.9 MB in the end (delta: 62.9 MB). Free memory was 102.0 MB in the beginning and 170.0 MB in the end (delta: -68.0 MB). Peak memory consumption was 23.7 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 94.80 ms. Allocated memory is still 202.9 MB. Free memory was 170.0 MB in the beginning and 166.0 MB in the end (delta: 4.0 MB). Peak memory consumption was 4.0 MB. Max. memory is 7.1 GB. * RCFGBuilder took 1132.53 ms. Allocated memory was 202.9 MB in the beginning and 235.4 MB in the end (delta: 32.5 MB). Free memory was 166.0 MB in the beginning and 196.3 MB in the end (delta: -30.3 MB). Peak memory consumption was 81.4 MB. Max. memory is 7.1 GB. * TraceAbstraction took 21595.66 ms. Allocated memory was 235.4 MB in the beginning and 589.8 MB in the end (delta: 354.4 MB). Free memory was 194.9 MB in the beginning and 107.6 MB in the end (delta: 87.3 MB). Peak memory consumption was 466.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 668]: 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: 606]: Loop Invariant Derived loop invariant: (!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0) - InvariantResult [Line: 804]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 794]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 607]: Loop Invariant Derived loop invariant: ((!(\old(systemActive) == 1) || !(\old(pumpRunning) == 0)) || !(\old(methaneLevelCritical) == 0)) || (pumpRunning == 0 && splverifierCounter == 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 37 procedures, 212 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 12.8s, OverallIterations: 5, TraceHistogramMax: 1, AutomataDifference: 9.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 8.6s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 405 SDtfs, 741 SDslu, 436 SDs, 0 SdLazy, 1714 SolverSat, 521 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 143 GetRequests, 93 SyntacticMatches, 1 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 76 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=298occurred 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: 0.2s AutomataMinimizationTime, 5 MinimizatonAttempts, 200 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 46 LocationsWithAnnotation, 351 PreInvPairs, 436 NumberOfFragments, 717 HoareAnnotationTreeSize, 351 FomulaSimplifications, 163537 FormulaSimplificationTreeSizeReduction, 3.2s HoareSimplificationTime, 46 FomulaSimplificationsInter, 14700 FormulaSimplificationTreeSizeReductionInter, 5.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 2.1s InterpolantComputationTime, 281 NumberOfCodeBlocks, 281 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 276 ConstructedInterpolants, 0 QuantifiedInterpolants, 79816 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...